Page 1 Firmware Revision: V0004.04AA33 (Rev. A models) Firmware Revision: V0005.01AA10 (Rev. B models) Manual P/N: GEK-106159B Copyright © 2001 GE Power Management Note: All relays must be powered up at least once per year to avoid deterioration of electrolytic capacitors and subsequent relay failure.
Page 3 These instructions do not purport to cover all details or variations in equipment nor provide for every possible contingency to be met in connection with installation, operation, or maintenance. Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purpose, the matter should be referred to the General Electric Company.
Page 5: Table Of Contents
SERIAL COMMUNICATIONS..............1-22 1.6.3 SCADA DIGITAL TO ANALOG (DTA) INTERFACE........ 1-23 1.7 SELF-TEST FEATURES 1.7.1 START-UP SELF-TESTS ................ 1-24 1.7.2 RUN-TIME SELF-TESTS................. 1-24 1.7.3 CONTINUOUS MONITOR............... 1-25 1.8 PROTECTION SCHEME DESCRIPTIONS 1.8.1 INTRODUCTION ..................1-26 GE Power Management LPS-D Line Protection System...
Page 6 CLOSE ..................... 1-44 b THREE POLE TRIP ENABLE ..............1-45 c RECLOSE IN PROGRESS (RIP) ............1-45 d LOCKOUT....................1-45 1.10.6 SYNCHRONISM CHECK (OPTIONAL) ........... 1-45 1.10.7 LPS-D RECLOSING PROGRAM SUMMARY ......... 1-46 1.11 ELEMENTARY DIAGRAMS 2. CALCULATION OF 2.1 INTRODUCTION SETTINGS 2.1.1...
Page 7 305: Z3GRDREACH - Zone 3 Ground Reach ..........2-17 306: Z3GCHARANG - Zone 3 Ground Characteristic Angle ......2-17 307: Z3P_TIME - Z3 Phase Timer ..............2-17 308: Z3G_TIME - Z3 Phase Timer ............... 2-17 GE Power Management LPS-D Line Protection System...
Page 8 810: CONFGTRIP - Block For Configurable Trip Logic ........ 2-31 2.3.10 LINEPICKUP.................... 2-32 901: LINEPICKUP - Select Line Pickup............2-32 902: BYPASSTL3 - Bypass Line Pickup Time Delay........2-33 903: I1PICKUP - I1 Pickup Setting ............... 2-33 2.3.11 REMOTEOPEN ..................2-33 LPS-D Line Protection System GE Power Management...
Page 9 1813: RESETTIME - Reset Time..............2-44 1814: DWELLTIME - Contact Dwell Time ............ 2-45 1815: HOLD: Inhibit Hold Select..............2-45 1816 HOLDTIME - Inhibit Hold Time ............2-45 1817 HOLDSENSE - Contact Input Status........... 2-45 GE Power Management LPS-D Line Protection System...
Page 10 2023: KT3 - KT3 Contact ................2-48 2012: A6 - A6 Contact .................. 2-48 2024: KT4 - KT4 Contact ................2-48 2.4 INVERSE CURVES 2.5 REFERENCE TABLES 2.5.1 INDEX NUMBERS ................... 2-52 2.5.2 PROTECTION SETTINGS GUIDE ............2-61 LPS-D Line Protection System GE Power Management...
Page 11 EXITING TEST MODE................4-7 k INITIAL TEST SETUP................4-7 4.2 GENERAL RELAY TESTS 4.2.1 T1 – RELAY STATUS AND DISPLAY TESTING ........4-8 a STATUS CHECK ..................4-8 4.2.2 DISPLAY AND KEYPAD TESTS ............... 4-8 GE Power Management LPS-D Line Protection System...
Page 12 5.5 MOB TESTING 5.5.1 T21 – OUT-OF-STEP REACH, MOB............5-24 5.5.2 ENDING FUNCTIONAL TESTS .............. 5-24 6. FUNCTIONAL TESTS 6.1 LPS-D FUNCTIONAL TESTS (USER SETTINGS) 6.1.1 DESCRIPTION ..................6-1 a GENERAL TESTS ..................6-1 b MEASURING UNIT TESTS ............... 6-1 c BACKUP PROTECTION TESTS ...............
Page 13 ARROW KEYS................... 8-3 c ENTER KEY [ENT] ..................8-3 d DATA ENTRY KEYS.................. 8-3 8.1.4 MESSAGES....................8-3 8.1.5 SETTINGS ....................8-4 8.1.6 EDIT PROTECTION SETTINGS ............... 8-5 8.1.7 [END] KEY ....................8-7 GE Power Management LPS-D Line Protection System...
Page 14 8.2.7 EVENT INFORMATION ................8-22 8.2.8 COMMUNICATION PASSWORDS ............8-25 8.2.9 REQUEST STATION/LINE ID ..............8-26 8.2.10 REQUEST LPS-D MODEL/VERSION ............. 8-26 8.2.11 OSCILLOGRAPHY SNAPSHOT ............. 8-26 8.3 ASCII INTERFACE 8.3.1 DESCRIPTION ..................8-27 8.3.2 RECOMMENDED REMOTE COMMUNICATIONS PACKAGE....8-27 8.4 REMOTE COMMUNICATION INTERFACE...
Page 15 10.7 WINDOW MENU 10.7.1 DESCRIPTION ..................10-18 10.7.2 CASCADE....................10-18 10.7.3 TILE ....................... 10-18 10.7.4 ARRANGE ICONS................. 10-18 10.7.5 VIEWING MULTIPLE TESTS ..............10-18 10.8 HELP MENU 10.8.1 CONTENTS ................... 10-19 10.8.2 ABOUT ALPS_TST................10-19 GE Power Management LPS-D Line Protection System...
Page 16 11.8.4 FAULT REPORT..................11-19 11.8.5 OSCILLOGRAPHY REPORT ..............11-19 11.8.6 BREAKER HEALTH REPORT............... 11-19 11.8.7 DEMAND REPORT ................11-19 11.8.8 DIAGNOSTICS REPORT ..............11-19 11.8.9 EVENT REPORT ................... 11-19 11.8.10 PRESENT VALUES REPORT ............... 11-20 LPS-D Line Protection System GE Power Management...
Page 17 14.1.3 PRINT SETTINGS REPORT ..............14-3 14.1.4 EDIT MENU – COPY SETTINGS REPORT ..........14-4 14.1.5 TOOLS MENU ..................14-4 14.1.6 HELP MENU .................... 14-4 A. FREQUENTLY ASKED A.1 FREQUENTLY ASKED QUESTIONS QUESTIONS GE Power Management LPS-D Line Protection System xiii...
Page 18 INF KEYPAD MENU ..................D-3 E. TABLES AND FIGURES E.1 TABLES AND FIGURES E.1.1 LIST OF FIGURES ..................E-1 E.1.2 LIST OF TABLES..................E-3 F. WARRANTY F.1 WARRANTY INFORMATION F.1.1 GE MULTILIN WARRANTY ............... F-1 LPS-D Line Protection System GE Power Management...
Page 19: Product Description
1.1.2 PASSWORDS: FACTORY SET The LPS-D relay requires the use of passwords to change Settings or to perform Actions. No password is required to obtain information from the relay, including viewing the existing settings. The relay is shipped from the factory with the following Local User Interface (LUI) passwords: SETTINGS: 123.
Page 20: Remote Communications Via Local Pc
ACTIONS menu by selecting CHANGE PASSWORD. Before the user can change another password it is necessary to logout from the LPS-D. The user can then change the remaining passwords by first logging into the LPS-D using another default password. The commu- nications passwords may be viewed, in an encoded format, via the keypad with the [INF] (Information) key.
Page 21: Ordering
† Available for Revision A models only. EXAMPLE: LPSDA35U23VE0N–AC = LPS-D Digital Line Protection Distance Relay; revision A; three phase tripping logic; rated at 5 amperes; without series capacitor protection; 110/125 VDC supply; contact tripping outputs; 3 communications ports; vertical mounting; with extended memory; no OST functions, no recloser, and Modbus communications.
Page 22: Introduction
The LPS-D is packaged in a compact 3 Rack Unit high (one RU = 1.75 Inch) 19-inch rack mount case which is available for either horizontal or vertical mounting. The case outline and mounting dimensions for the LPS-D are shown in Figure 3–1: DIMENSIONS on page 3–1.
Page 23 1 PRODUCT DESCRIPTION 1.2 INTRODUCTION Table 1–2: LPS-D MEASUREMENT FUNCTIONS Zone or Type Functions Zone 1 • 3 Variable-Mho phase distance functions • 3 Variable-Mho ground distance functions 3 Reactance ground distance functions with “adaptive reach” Mho supervision or 3 Quadrilateral ground distance functions (Revision B...
Page 24: Ground Quadrilateral Characteristics
A new version of ALPS-Link may be required to access the new settings via remote communications (it must be version 3.5 or higher). If required, the updated version of ALPS-Link may be downloaded from the GE Power Management website at www.ge.com/indsys/pm.
Page 25: Reactance Characteristic
1 PRODUCT DESCRIPTION 1.2 INTRODUCTION In the LPS-D relay, the four straight lines of the quadrilateral characteristic are developed from a combination of the following three characteristics: 1. The reactance characteristic (section 1). The tilt of the reactance characteristic is determined by the char- acteristic timer setting.
Page 26 The restricted directional characteristic for the ground quadrilateral requires a separate directional unit for each phase. No settings are required for this characteristic. The input signals to the comparator are: · ZD Phase A: Phase B: · ZD · ZD Phase C: LPS-D Line Protection System GE Power Management...
Page 27: Right Resistive Blinder
′· RB 1 1.2.5 LINE PROTECTION SCHEMES The LPS-D provides four zones of distance protection with overcurrent backup functions. The LPS-D is a highly flexible system: along with predefined protection schemes, it also has the ability to be programmed by the user.
Page 28: Custom Programmability
Xpression Builder is included in Chapter 13: XPRESSION BUILDER . 1.3.2 CONFIGURABLE INPUTS All of the contact converters (Digital Inputs) in the LPS-D are user configurable. However, each LPS-D relay is shipped with the default contact converter assignments shown in the table below and on Figure 1–22: ELE- MENTARY DIAGRAM WITH DEFAULT I/O ASSIGNMENTS on page 1–47.
Page 29: Configurable Outputs
1.3 CUSTOM PROGRAMMABILITY 1.3.3 CONFIGURABLE OUTPUTS All of the LPS-D output relays, except for the alarm output relays, are user-configurable. However, each LPS-D is shipped with default output relay assignments as shown in the Table below and Figure 1–22: ELEMENTARY DIAGRAM WITH DEFAULT I/O ASSIGNMENTS on page 1–47.
Page 30: Programmable Logic
In addition to the pre-programmed line protection schemes and configurable I/O previously discussed, the LPS-D relay includes the capability for the user to design custom logic. This logic may be used to supplement or to replace the built-in scheme logic. The programmable logic includes the following: up to 40 logic gates (AND, OR, NOT), each with up to 4 inputs;...
Page 31: Auxiliary Protection Functions
FUSEFAIL determines whether PTFF operation blocks distance/directional tripping (FUSEFAIL = YES) or merely issues an event (FUSEFAIL = NO). When the potential returns to normal, the Any Phase Under Voltage signal resets to remove the seal-in, allowing the PTFF output to reset. GE Power Management LPS-D Line Protection System...
Page 32: Line Pickup
The figure below shows the functional logic for LPS-D Line Pickup. O V E R R E A C H I N G P H A S E O R...
Page 33: Single Phase Tripping
SINGLE PHASE TRIPPING Logic is also included in the LPS-D with single phase tripping models to provide high-speed tripping when a single phase reclose onto a permanent fault occurs. When a phase of the circuit breaker is open, the associ- ated timer (TL404, TL405, and TL406) picks up to provide one input to an AND gate (AND404, AND405, or AND406).
Page 34: Out-Of-Step Blocking
This adaptive pickup provides improved capability to maintain the out-of-step output during the increasing slip frequencies that are typically encountered after the first slip cycle. LPS-D Line Protection System GE Power Management...
Page 35 LOCUS OSBRXDiag.CDR Figure 1–6: OSB R-X DIAGRAM LPS-D WITH THREE-PHASE TRIPPING: O S B 3 P . V S D A N Y C O O R D I N A T I N G Z O N E ( P H A S E O R G R O U N D )
Page 36: Other Features
LPS-D issues a trip. If the LPS-D issues a trip, then a normal fault report is stored as part of the oscillography data. If the LPS-D does not issue a trip, a pseudofault report is created. The trip type is listed as OSC, the trip time is set to when...
Page 37: Playback
1.5.9 EQUIPMENT DUTY When the LPS-D is applied with a single breaker, it incorporates the ability to monitor the number of breaker operations and the breaker duty. Alarm levels can be set for both the total number of breaker operations and the total equipment duty.
Page 38: Time Synchronization
An unmodulated IRIG-B signal connected to the IRIG-B terminals, located on terminal block “D” on the rear panel, may be used to synchronize the clock. The clock in a given LPS-D is synchronized to within ±1 ms of any other LPS-D clock if the two relays are wired to the same synchronizing signal.
Page 39: Trip Circuit Monitor
Operation of the Trip Circuit Monitor causes a noncritical alarm event. If one or more breaker poles are opened in some manner other than by a trip issued by the LPS-D, then the 52/a contact normally wired in series with the trip coil opens and drops the voltage across the open contact to zero.
Page 40: Communications
One or two rear ports are provided for serial communications is either RS232 or RS485. Port 2 is standard on all LPS-D models. When Port 2 is configured as an RS232 port, connection is made using a DB25 plug; when Port 2 is configured as an RS485, connection is made using a 4-pin Phoenix plug. Port 3 is optional and uses a DB25 plug for either RS232 or RS485.
Page 41: Scada Digital To Analog (Dta) Interface
FLTRESET specifies the time after a fault at which the fault-location information stored in the DTA logic is reset (output forced to full-scale value) and those fault-type contacts that have closed will open. Note when either the LPS-D date or time is changed the timers associated with FLTLOCK and FLTRESET are reset and the DTA function is reset.
Page 42: Self-Test Features
(1 A or 5 A). Next, the i960 processor enables the outputs. As the final step, the LPS-D checks the results of all the tests to determine whether to turn on the green status LED on the front panel.
Page 43: Continuous Monitor
Fault Detector. If such a condition occurs and persists for 1 second, the LPS-D relay will issue a non-critical alarm and log a con- tinuous monitor event.
Page 44: Protection Scheme Descriptions
1–23: ELEMENTARY DIAGRAM on page 1–48 shows the external connections to the LPS-D relay. Note that all of the output relays and input contact converters included in the LPS-D are fully programmable by the user. However, for ease of application, the LPS-D relay is shipped with the inputs and outputs assigned in Figure 1–...
Page 45 O U T O F S T E P B L O C K I N G (CANCL) RECLOSE CANCEL Settings 1601 to 1607 L O G I C BLOCK RECLOSING STP_DST3.VSD Settings 801-810 Figure 1–9: STEP DISTANCE LOGIC DIAGRAM GE Power Management LPS-D Line Protection System...
Page 46: Permissive Underreach Transfer Trip (Putt)
Unfortunately, this means a portion of the line is not protected by the pilot scheme. In the LPS-D, 52/b contact keying of the trans- mitter is automatically prevented if Protection Setting 1201: PICKSCHEME = 2 [PUTT] and Protection Setting 1202: NUMRCVR = 2 [2 RCVRS], as indicated in Figure 1–11: PUTT LOGIC DIAGRAM by the link between...
Page 47 R E C L O S I N G P U T T 3 . V S D S E T T # 8 0 1 - 8 1 0 Figure 1–11: PUTT LOGIC DIAGRAM GE Power Management LPS-D Line Protection System...
Page 48: Permissive Overreach Transfer Trip (Pott1)
The Zone 4 distance functions provide transient blocking for when a fault-current reversal occurs as a result of sequential clearing of a fault on a parallel line. This logic is the same as that used in the Hybrid scheme. LPS-D Line Protection System GE Power Management...
Page 49 B L O C K I N G OSB – Settings 1601 to 1607 L O G I C BLOCK RECLOSING POTT1.VSD Settings 801 to 810 Figure 1–12: PERMISSIVE OVERREACH TRANSFER TRIP (POTT1) GE Power Management LPS-D Line Protection System...
Page 50 B L O C K R E C L O S I N G P O T T 2 . V S D Settings 801 - 810 Figure 1–13: POTT WITH BLOCKING FUNCTIONS (POTT2) LOGIC DIAGRAM LPS-D Line Protection System GE Power Management...
Page 51: Blocking Scheme
ON, sending a blocking signal to the local end. The receiver output is supplied to the LPS-D via one of the contact converter inputs. The default, or as shipped contact con- verter assigned to the receiver is CC1. An input from the receiver blocks tripping at the local end by removing the upper input to AND407 via CC1 and NOT3.
Page 52 OR302. It operates in a similar manner to the GDOC transient blocking logic. Thus, if any of the overreaching zone tripping functions operate as a result of a current reversal or a fault-clearing transient, tripping is initiated LPS-D Line Protection System GE Power Management...
Page 53 The contact converter (RCVR 1 in Figure 1–14: BLOCKING SCHEME LOGIC DIAGRAM on page 1–34) converts the receiver output into a blocking signal usable by the LPS-D. Some blocking schemes use frequency-shift tone channels, such as the GE type NS40. For a three-terminal application employing FSK tones, each terminal has two receivers and an additional contact converter must be assigned.
Page 54: Hybrid Scheme
U S I N G C S 6 1 C U N B L O C K I N G C A R R I E R S E T A N D L P S - D R E L A Y S Y S T E M Figure 1–16: HYBRID SCHEME INTERCONNECTION WITH CS61C LPS-D Line Protection System GE Power Management...
Page 55 OUT-OF-STEP O S B A N D G R O U N D Z O N E BLOCKING LOGIC Settings 1601 FUNCTIONS DURING OUT- to 1607 OF-STEP CONDITION Figure 1–17: HYBRID LOGIC DIAGRAM GE Power Management LPS-D Line Protection System...
Page 56: Out-Of-Step Oscillography Capture
60 pre-trigger samples and 120 post-trigger samples are stored. Data is stored whenever an Out-of-Step Block (OSB) condition is detected. Only one OS data file is stored in the LPS-D. Once the data is captured, it will not be overwritten until it is retrieved from the LPS-D, or cleared by an OS data reset Action command.
Page 57: Single Phase Tripping
The trip output logic for the LPS-D is shown below for all logic schemes except the Hybrid; the trip output logic for the Hybrid scheme is shown in Figure 1–19: SINGLE PHASE TRIPPING LOGIC (HYBRID SCHEME).
Page 58: Open Pole Determination
1.9.2 OPEN POLE DETERMINATION The LPS-D includes logic to detect when one or more poles of the circuit breaker is open. This logic is depicted in Figure 1–20: OPEN POLE DETECTION LOGIC. The logic uses a combination of current and voltage detec- tors and breaker auxiliary contacts.
Page 59: Open Pole Operation
The LPS-D includes two Reclose Initiation outputs. RI-1P picks up when the LPS-D selects to trip only one of the three phase trip outputs. RI-3P picks up whenever the LPS-D selects to trip all three poles of the breaker. GE Power Management...
Page 60: Recloser (Optional)
This three-pole trip enable signal is issued internally to the LPS-D system, but it must be programmed to drive one of the output relays for use with an external relay system, if such a relay system is used with the recloser. Four separate timers are provided so that each of the four reclosing attempts can be set with a different time if required.
Page 61: Recloser Inputs
In order to function properly, the recloser requires breaker “b” auxiliary switches to determine whether the breaker is in the open or closed position. Because all of the inputs to the LPS-D are programmable it is neces- sary that the correct number of contact converter(s) be programmed for use as the breaker “b” switch inputs. In three-pole tripping schemes, only one “b”...
Page 62: Hold
The hold input controls the reclose output when the hold feature is selected (Protection Setting 1815: HOLD = YES). This feature allows an external contact to supervise the close output of the LPS-D recloser. When the Hold feature is selected the recloser waits a preset time for a hold input (Protection Setting 1816: HOLDTIME, range: 1 to 1000 sec.) at the end of a programmed reclose time.
Page 63: Three Pole Trip Enable
(Protection Setting 1801: RECLMODE = OFF). This output is internally routed to the LPS-D and is used to ensure that three-pole tripping will be initiated for all faults (regardless of fault type) as long as the three-pole trip enable output is maintained. If the recloser is used externally with another relay system, then the NOT of the three-pole trip enable output must be programmed (as shown in Figure 1–21: THREE POLE TRIP ENABLE OUTPUT) to drive a form “b”...
Page 64: Lockout
The output is also programmable, therefore, if an external synch check signal is required. it may be programmed to drive one (or more) of the output contacts in the LPS-D either through the ALPS-Link or Xpression Builder programs or through the keypad.
Page 65: Elementary Diagrams
1 PRODUCT DESCRIPTION 1.11 ELEMENTARY DIAGRAMS 1.11 ELEMENTARY DIAGRAMS Figure 1–22: ELEMENTARY DIAGRAM WITH DEFAULT I/O ASSIGNMENTS GE Power Management LPS-D Line Protection System...
Page 66 1.11 ELEMENTARY DIAGRAMS 1 PRODUCT DESCRIPTION Figure 1–23: ELEMENTARY DIAGRAM LPS-D Line Protection System GE Power Management...
Page 67: Calculation Of
2 CALCULATION OF SETTINGS 2.1 INTRODUCTION 2.1.1 DESCRIPTION There are a number of settings that must be made in the LPS-D relaying system. These settings are divided into two categories, with each category divided into the sub-groups shown below: a) GENERAL SETTINGS CATEGORIES •...
Page 68 All of the settings used in the LPS-D are listed in Table 2–8: PROTECTION SETTINGS GUIDE on page 2–61 and Table 2–9: GENERAL SETTINGS GUIDE on page 2–70. These tables also show setting ranges for 5 Ampere and 1 Ampere rated systems.
Page 69: 101: Unitid - Unit Id Number
102: SYSFREQ - System Frequency SYSFREQ establishes the operating frequency of the LPS-D. It can be set to either 50 Hz or 60 Hz. When this setting is changed it will only be implemented by turning the DC power off and then on to re-initialize the relay.
Page 70: 107: Num_Mon - Trip Outputs To Be Monitored
Figure 2–1: TRIP CIRCUIT MONITOR The trip contacts are also monitored when the LPS-D initiates a trip. If the voltage across the contacts does not drop when the trip is initiated, it is assumed that the trip circuit is not intact and an alarm is issued. If the voltage drop concurrently with the trip initiation, the trip circuit is considered activated and no alarm is issued.
Page 71: 108: Displayval - Present Value Display Mode
Position Output As an example, if you are using an LPS-D for three phase tripping, and if outputs T1 and T3 are to be moni- tored and T2 and T4 are not, the following setting would be used: NUM_MON = 000101 This setting is entered in to the relay from the LUI in decimal format (that is, NUM_MON = 5).
Page 72: Communications
The baud rate setting of 300, 1200, 2400, 4800, or 9600 must be set to match the baud rate of the modem or serial device connected to the serial port of the LPS-D. The parity and stop bits must match those selected for the serial port of the remote PC.
Page 73: Oscillography
PREFAULT is set to 4. This means that the record will capture 4 cycles of pre-fault data and 28 cycles of fault data. The LPS-D samples at 64 times per cycle, therefore, 2048 samples (64 x 32) of fault data will be captured.
Page 74: Equipment Duty
The number of operations and the total duty can start from zero, or if the existing number of opera- tions or total duty is known, those values can be entered into the LPS-D to use as a starting point. The follow- ing settings (General Settings 400 through 410) need to be made.
Page 75: 408: Num_Op_A - Present Number Of Breaker Operations For Phase A
2.2.5 PROGRAMMABLE INPUTS There are 12 contact converters provided with the LPS-D. These contact converters are used to convert con- tact inputs into the relays into logic signals for use within the scheme logic. Each of the contact converters can be programmed to be driven by any of the signals defined by the first 32 Index Numbers given in Table 2–6 at...
Page 76: Protection Settings
Zone 1 ground distance functions should not be set greater than 80% of the line impedance or 80% of the set- ting determined using the Figure 2–2: ALLOWABLE ZONE 1 REACH (WHEN USED WITH CVTS). LPS-D Line Protection System GE Power Management...
Page 77: 106: Z1Grdchar - Zone 1 Ground Characteristic
Since the supervising Mho unit has a circular characteristic, angle B is 90°. The LPS-D uses an adaptive feature to adjust the reach of the supervising Mho function as the load flow changes. The reach can never be less than Z1SUREACH, but it can be larger. As the load flow decreases, the load impedance becomes larger, and the reach is increased while maintaining the 40°...
Page 78: 108: Z1Groundk0 - Z1Ground Zero Sequence Compensation Factor
Also, to maintain zone accuracy, it is recommended that the resistive reach is not greater than 10 times the Ground Distance Reach (Protection Setting 105: Z1GRDREACH) for this zone. LPS-D Line Protection System GE Power Management...
Page 79: Zone 2, 3, And 4 Distance Functions
If the desired reach is less than the MR , then the setting is acceptable. If the desired reach is greater than the MR , then the angle B should be increased until MR equals, or just exceeds the desired reach. GE Power Management LPS-D Line Protection System...
Page 80: Z2Distance
Zone 2 reach (125% of line) and set the respective Zone 3 timers with a Zone 2 time delay. In any event, the Zone 2 functions should not be set with a reach any longer than the maximum allowable reach ( MR ) described earlier. LPS-D Line Protection System GE Power Management...
Page 81: 203: Z2Pcharang - Zone 2 Phase Characteristic Angle
207: Z2GCHARANG - Z2 Ground Distance Function Characteristic Angle Z2GCHARANG is adjustable from 90° to 120° and determines the shape of the Zone 2 ground characteristics – circle or lens. Set Z2GCHARANG equal to Z2PCHARANG as determined earlier. GE Power Management LPS-D Line Protection System...
Page 82: 208: Z2Timers - Z2 Timers
2. Cause the Zone 3 functions to lose selectivity with the third zone phase-distance functions on the shortest adjoining line section. If this requirement cannot be met by limiting the reach, then it may be necessary to get this selectivity by setting timer Z3P_TIME with additional time delay. LPS-D Line Protection System GE Power Management...
Page 83: 303: Z3Pcharang - Zone 3 Phase Characteristic Angle
If the Zone 3 ground-distance functions are used to provide traditional second zone protection (described earlier), set Z3G_TIME with the appropriate time delay. GE Power Management LPS-D Line Protection System...
Page 84: 309: Z3Grdchar - Zone 3 Ground Characteristic
2.3.5 Z4DISTANCE The settings to be used on the Zone 4 distance functions in the LPS-D depend on the application and he scheme selected. The Zone 4 phase and ground-distance functions can be set to look in the reverse direction relative to the Zone 1, Zone 2 and Zone 3 phase and ground-distance functions (see the figure below).
Page 85: 401: Z4Phase - Zone 4 Phase Distance
Figure 2–8: ZONE 4 FAULT EXAMPLE The Zone 4 phase distance functions in the LPS-D are not provided with offset because they use an adaptive memory feature to provide the operation needed for bolted three-phase faults at the relay location. The adap- tive memory works as follows: 1.
Page 86: 402: Z4Phreach - Zone 4 Phase Distance Reach
They can be used to provide a fourth zone of protection in a straight Step Distance scheme, or they can be reversed in direction to provide the so-called “reversed third zone” of protection. LPS-D Line Protection System GE Power Management...
Page 87: 403: Z4Pcharang - Zone 4 Phase Characteristic Angle
In all of these schemes, it is imperative that the blocking functions be set with a reach that will allow them to see all faults that the remote Zone 2 functions will see. The following guidelines are proposed: GE Power Management LPS-D Line Protection System...
Page 88: 407: Z4Gcharang - Zone 4 Ground Characteristic Angle
90° should not be used except in blocking, hybrid and POTT2 types of schemes. If the desired reach, Z4GRDREACH, with a 90° characteristic and with maximum load LPS-D Line Protection System GE Power Management...
Page 89: 408: Z4Directn - Zone 4 Direction
Also, to maintain zone accuracy, it is recommended that the resis- tive reach is not greater than 10 times the Ground Distance Reach (Protection Setting 406: Z4GRDREACH) for this zone. GE Power Management LPS-D Line Protection System...
Page 90: Cursupvisn
• Hybrid and POTT2 Schemes IPT is logically ANDed with the forward looking negative-sequence directional function, NT, to form the pilot tripping. The IPT operating quantity is: = 3 I 0.3 I – LPS-D Line Protection System GE Power Management...
Page 91: 505: Ipbkfactor - Ipb I1 Restraint
IPBKFACTOR DIR (NB and IPB) 0.066 IPB (IPB alone) FD (Fault Detector) Don’t Care 505: IPBKFACTOR - IPB I1 Restraint The IPB operating quantity is: = 3 ·I – IPBKFACTOR x 3· I GE Power Management LPS-D Line Protection System...
Page 92: 506: Nt_Offset: Nt/Nb Offset
Tripping will not be permitted unless there is a concurrent output from the fault detector, therefore an increase in security is obtained. The LPS-D monitors the output of the fault detector – if it produces an output that lasts for more than 60 seconds, then it is an indication that: 1.
Page 93: Overcurrnt
If the maximum fault current for a fault at either end of the line is approximately the same, then it is proposed that the 50 function be made nondirectional. GE Power Management LPS-D Line Protection System...
Page 94: 607: 50Gpickup - 50G Pickup Setting
The curve shape used for 51G is determined by the 51GCURVE setting as described below. The pickup and time-dial settings should be selected to provide coordination with similar functions in adjacent line sections. LPS-D Line Protection System GE Power Management...
Page 95: 613: 51Gpckupff - 51G Pickup During Fuse Failure
This setting establishes the voltage on which per unit voltage values are based. RATEDVOLTS can be set to 100, 105, 110, 115 or 120 volts. Use a setting that is closest to the voltage applied to the LPS-D. 702: PHASEOVER - Select Phase Overvoltage If the phase overvoltage function is to be used, set PHASEOVER = YES, otherwise set PHASEOVER = NO.
Page 96: 714: Fusefail - Potential Fuse Failure Blocking
FUSEFAIL can be set to NO or YES. If BLOCK is selected, then an output will be prevented from any function that requires potential to operate (distance, directional and any directionally controlled function). If NO is selected, nothing will be blocked in the event a potential failure occurs. LPS-D Line Protection System GE Power Management...
Page 97: Blk Reclos
810: CONFGTRIP - Block For Configurable Trip Logic The LPS-D logic can be configured so that tripping can be initiated via an external contact input. Set CONF- GTRIP = YES if reclosing is to be blocked following a configurable trip.
Page 98: Linepickup
Zone 1 reach, and below the pickup of the I1 function. 901: LINEPICKUP - Select Line Pickup Set LINEPICKUP = YES if the line pickup logic is to be used, otherwise set LINEPICKUP = NO. LPS-D Line Protection System GE Power Management...
Page 99: 902: Bypasstl3 - Bypass Line Pickup Time Delay
3. The remote breaker opens and charging current is detected – logic 1 output from AND3. 4. The fault is still present, so the two inputs to AND4 persist and a trip output will be produced following the time-delay setting of timer TL20. GE Power Management LPS-D Line Protection System...
Page 100: 1001: Remoteopen - Select Remote Open Detector
Use a LEVEL2PU setting that meets the specific application. 1104: LEVEL1TDLY - Level 1 Time Delay Use a LEVEL1TDLY setting that meets the specific application. 1105: LEVEL2TDLY - Level 2 Time Delay Use a LEVEL2TDLY setting that meets the specific application. LPS-D Line Protection System GE Power Management...
Page 101: Scheme
1. YES - with this selection, the Weak Infeed Tripping logic is enabled. 2. NO - with this selection, the Weak Infeed Tripping logic is disabled, but the Channel Repeat (Echo) logic remains in service. GE Power Management LPS-D Line Protection System...
Page 102: Schmtimers
Set TL4DROPOUT to 0. • Step Distance, POTT2, Blocking and Hybrid Schemes Timer TL4 is not used in these schemes therefore any TL4DROPOUT setting that is made is irrelevant and will be ignored. LPS-D Line Protection System GE Power Management...
Page 103: 1304: Tl5Pickup - Bkr1 B Sw Coordination Timer Pickup
2 to CC10 (phase A), CC11 (phase B), and CC12 (phase C). The output of TL5 and TL6 are also used by the LPS-D to provide a time-tagged event to indicate that the breaker is either open or closed.
Page 104: 1305: Tl5Dropout - Bkr1 B Sw Coordination Timer Dropout
Blocking and Hybrid Schemes Keying of the transmitter is not required in these schemes; however, the LPS-D uses these timer outputs to provide a time-tagged event to indicate that the breaker is either open or closed. If these events are required, then wire the 52/b contacts as shown above.
Page 105: 1311: Tl26Pickup - Repeat Delay Timer
Timer TL26 is used to delay repeat of the channel trip signal that is received from the remote terminal of the line. It is included to provide coordination with a scheme other than an LPS-D that may be used at the remote terminal of the line.
Page 106: 1403: Zline - Positive Sequence Line Impedance
Protection Setting 1406. 1406: LINEUNIT - Unit Of Length The LPS-D will report the distance to the fault relative to the relay location. Set LINEUNIT equal to MILES if location in miles is required, otherwise set LINEUNIT equal to KM.
Page 107: 1501: Fltlock - Hold Time
D distance functions as shown below. For an out-of-step condition, the apparent impedance seen by the relay will follow a typical swing line as shown in the OSB characteristic. The LPS-D recognizes an out-of-step condi- tion by sensing that the MOB function operates first, and that the coordinating function (Zone 2, 3 or 4) oper- ates a short time later.
Page 108: 1601: Mobzone - Coordinating Zone
The LPS-D is available with an optional recloser, described in Section 1.10: RECLOSER (OPTIONAL) on page 1–42. Note that if another relaying system is going to be used with or without the LPS-D to control the recloser, then that relaying system must be capable of supplying a 1PRI (single phase reclose) and a 3PRI (three phase reclose) input to the recloser.
Page 109: 1802: Recltype - Select Reclosing Type
2025: CONFTRIP for details) will be enabled at this time. 3. INTERNAL - controlled by LPS-D only. 4. EXTERNAL - controlled by external relays only. 5. BOTH - controlled by LPS-D or external relays. 1802: RECLTYPE - Select Reclosing Type Set one of the following three reclosing types: 1.
Page 110: 1805: 1Pdelay2 - Single Pole Second Reclose Delay
If a trip occurs during RESETTIME, the recloser goes to the next programmed reclose, or to lockout, if the trip occurred following the last programmed reclose attempt. The reset time delay can be set over a range of 0.1 to 300.0 seconds. LPS-D Line Protection System GE Power Management...
Page 111: 1814: Dwelltime - Contact Dwell Time
BUSLINE can be set to BUS or LINE and identifies the source of the three phase voltage (bus or line) used to supply the protective relay system. This allows the synchronism check function to ascertain which is bus potential and which is line potential. GE Power Management LPS-D Line Protection System...
Page 112 VBUSLIVE establishes the voltage at which the bus voltage must be greater than before the synchronism check function and the functions requiring live bus supervision are allowed to operate. The voltage level can be set over a range of 0.1 to 130.0 V. LPS-D Line Protection System GE Power Management...
Page 113 1908: NCAIN8 - Non-Critical Alarm Input #8 Set these Protection Settings to one of the available Index numbers given in Table 2–7: INDEX NUMBERS – scheme, recloser, & programmable logic on page 2–54. GE Power Management LPS-D Line Protection System...
Page 114 2–61. The default settings are established through an Xpression Builder file that is downloaded to the LPS-D in the factory. Any of the settings can be changed by modifying this logic via the Xpression Builder pro- gram, by settings changes through the ALPS-Link program, or by settings changes with the keypad. Note that...
Page 115 2 CALCULATION OF SETTINGS 2.4 INVERSE CURVES 2.4 INVERSE CURVES 0.01 MULTIPLES OF PICKUP    0103  RESET 0228     − −     Figure 2–15: INVERSE CURVE GE Power Management LPS-D Line Protection System...
Page 116 2.4 INVERSE CURVES 2 CALCULATION OF SETTINGS 0.01 MULTIPLES OF PICKUP     0982 RESET     −    −  Figure 2–16: VERY INVERSE CURVE LPS-D Line Protection System GE Power Management...
Page 117 2 CALCULATION OF SETTINGS 2.4 INVERSE CURVES 0.01 MULTIPLES OF PICKUP     RESET 02434     − −     Figure 2–17: EXTREMELY INVERSE CURVE GE Power Management LPS-D Line Protection System...
Page 118 Protection Protection Note: Any of the above signals (1 to 32) may be assigned to the 8 available LPS-D Contact Converter Inputs (CC1 to CC8). Those 8 signals will also be available for use for the Programmable Outputs and/or the Configurable Logic.
Page 119 CONFIGURABLE INPUT8 CNFDI8 Note: Any of the above signals (1 to 32) may be assigned to the 8 available LPS-D Contact Converter Inputs (CC1 to CC8). Those 8 signals will also be available for use for the Programmable Outputs and/or the Configurable Logic.
Page 120 2 CALCULATION OF SETTINGS 2–7: INDEX NUMBERS – , & (Sheet 1 of 7) ABLE SCHEME RECLOSER PROGRAMMABLE LOGIC LPS-D with Single Phase Tripping LPS-D with Three Phase Tripping Index Description M nem onic Index Description M nem onic Trip Bus Phase A...
Page 121 2 CALCULATION OF SETTINGS 2.5 REFERENCE TABLES 2–7: INDEX NUMBERS – , & (Sheet 2 of 7) ABLE SCHEME RECLOSER PROGRAMMABLE LOGIC LPS-D with Single Phase Tripping LPS-D with Three Phase Tripping Index Description M nem onic Index Description M nem onic Spare...
Page 122 2 CALCULATION OF SETTINGS 2–7: INDEX NUMBERS – , & (Sheet 3 of 7) ABLE SCHEME RECLOSER PROGRAMMABLE LOGIC LPS-D with Single Phase Tripping LPS-D with Three Phase Tripping Index Description M nem onic Index Description M nem onic Phase B Open...
Page 123 2.5 REFERENCE TABLES 2–7: INDEX NUMBERS – , & (Sheet 4 of 7) ABLE SCHEME RECLOSER PROGRAMMABLE LOGIC LPS-D with Single Phase Tripping LPS-D with Three Phase Tripping Index Description M nem onic Index Description M nem onic Z2 Ground Timer...
Page 124 2 CALCULATION OF SETTINGS 2–7: INDEX NUMBERS – , & (Sheet 5 of 7) ABLE SCHEME RECLOSER PROGRAMMABLE LOGIC LPS-D with Single Phase Tripping LPS-D with Three Phase Tripping Index Description M nem onic Index Description M nem onic Time Delayed Positive Sequence...
Page 125 2.5 REFERENCE TABLES 2–7: INDEX NUMBERS – , & (Sheet 6 of 7) ABLE SCHEME RECLOSER PROGRAMMABLE LOGIC LPS-D with Single Phase Tripping LPS-D with Three Phase Tripping Index Description M nem onic Index Description M nem onic Programmable Logic Gate #21...
Page 126 2 CALCULATION OF SETTINGS 2–7: INDEX NUMBERS – , & (Sheet 7 of 7) ABLE SCHEME RECLOSER PROGRAMMABLE LOGIC LPS-D with Single Phase Tripping LPS-D with Three Phase Tripping Index Description M nem onic Index Description M nem onic Spare...
Page 127 1.0 sec. † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. GE Power Management LPS-D Line Protection System...
Page 128 0.01 † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 129 0.4 A at 1A † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. GE Power Management LPS-D Line Protection System...
Page 130 NO, YES † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 131 0 msec. † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. GE Power Management LPS-D Line Protection System...
Page 132 0.1 sec. † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 133 3P Trip † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. GE Power Management LPS-D Line Protection System...
Page 134 ; 58 † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 135 Xpression Builder Input † Setting/value is applicable to LPS-D Revision B models only. ‡ Setting/value is applicable LPS-D Single Phase Tripping models only. ^ Setting/value is applicable to LPS-D Three Phase Tripping models only. GE Power Management LPS-D Line Protection System...
Page 136: General Settings Guide
ASCII, DNP 3.0 PROTOCOL3 Communications Port #3 GE-MODEM, GE-MODEM Protocol ASCII, DNP 3.0 † Setting/value is applicable to LPS-D Three Phase Tripping models only. ‡ Setting/value is applicable to LPS-D Single Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 137 0 to 32 ‡ † Contact Converter 6 0 to 32 † Setting/value is applicable to LPS-D Three Phase Tripping models only. ‡ Setting/value is applicable to LPS-D Single Phase Tripping models only. GE Power Management LPS-D Line Protection System...
Page 138 0 to 32 ‡ CC12 Contact Converter 12 0 to 32 † Setting/value is applicable to LPS-D Three Phase Tripping models only. ‡ Setting/value is applicable to LPS-D Single Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 139: Protection Settings Data Sheets
0.10 to 3.0 sec. step 0.01 † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. GE Power Management LPS-D Line Protection System...
Page 140 0.01 † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. LPS-D Line Protection System GE Power Management...
Page 141 0.01 † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. GE Power Management LPS-D Line Protection System...
Page 142 NO, YES † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. LPS-D Line Protection System GE Power Management...
Page 143 0 to 50 msec. step 1 † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. GE Power Management LPS-D Line Protection System...
Page 144 0.1 to 300 sec. step 0.1 † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. LPS-D Line Protection System GE Power Management...
Page 145 YES, NO † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. GE Power Management LPS-D Line Protection System...
Page 146 0 to 256 step 1 † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. LPS-D Line Protection System GE Power Management...
Page 147 Xpression Builder Input † Setting value QUAD applies to LPS-D Revision B models only. ‡ Setting is applicable to Revision B models only. Setting is applicable to LPS-D models with three phase tripping only. GE Power Management LPS-D Line Protection System...
Page 148: General Settings Data Sheet
ASCII, DNP 3.0 PROTOCOL3 Communications Port #3 GE-MODEM, Protocol ASCII, DNP 3.0 † Setting/value is applicable to LPS-D Three Phase Tripping models only. ‡ Setting/value is applicable to LPS-D Single Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 149 Contact Converter 5 0 to 32 Contact Converter 6 0 to 32 † Setting/value is applicable to LPS-D Three Phase Tripping models only. ‡ Setting/value is applicable to LPS-D Single Phase Tripping models only. GE Power Management LPS-D Line Protection System...
Page 150 Contact Converter 11 0 to 32 CC12 Contact Converter 12 0 to 32 † Setting/value is applicable to LPS-D Three Phase Tripping models only. ‡ Setting/value is applicable to LPS-D Single Phase Tripping models only. LPS-D Line Protection System GE Power Management...
Page 151: Case Assembly
6 positions (see Figure 3–1: DIMENSIONS). An outline drawing is shown in Figure 3–2: FRONT AND REAR VIEW on page 3–2, presenting the front and rear views of the horizontal mount LPS-D. The figure provides a panel cutout and drill pattern for mounting the LPS-D.
Page 152 3.1 CASE ASSEMBLY 3 HARDWARE DESCRIPTION Thumb Screws 4 3 2 1 Figure 3–2: FRONT AND REAR VIEW LPS-D Line Protection System GE Power Management...
Page 153: Electrical Connections And Wiring
DIGITAL OUTPUTS / POWER SUPPLY BOARD MAGNETICS SERIAL EPROM CONNECTOR 960 CPU BOARD FRONT PANEL CONNECTORS BUS CARD DIGITAL INPUTS / SCADA BOARD DSP / ANI BOARD OPTION SWITCH MAGNETICS MODULE Figure 3–3: CIRCUIT BOARD LOCATIONS GE Power Management LPS-D Line Protection System...
Page 154: Identification
Each terminal is also identified. Four connectors, PL1, PL2 (A & B), and PL3 are used for serial communication between the LPS-D and a PC or modem. PL3 is an optional communications port. All three communications ports work independently.
Page 155: Installation
If the equipment is not to be installed immediately, it should be stored indoors in a location that is dry and pro- tected from dust, metallic chips, and severe atmospheric conditions. 3.2.2 ENVIRONMENT The LPS-D should be installed in a clean and dry location, free from dust and excessive vibration, and well lighted to facilitate inspection and testing. 3.2.3 MOUNTING The LPS-D case has been designed for standard rack mounting.
Page 156: Printed Circuit Board Modules
LUI module board contains all of the items listed above except the keyboard decoding logic which is on the DSP/ANI board. • The Output board contains the LPS-D communications interface (RS232 / ASCII), a Critical Alarm Timer, various output relay drivers, and user-selectable switches to enable remote functions. 3.3.5 INPUT BOARD The input board contains the input logic which includes the programmable contact converter optocouplers.
Page 157 NOTE: Relay Power switch must be in the off position before changing switch positions † Default position 1 2 3 4 OPTION SWITCH BUS CARD CO NNECTO R Figure 3–5: INPUT BOARD DIAGRAM GE Power Management LPS-D Line Protection System...
Page 158: Magnetics Module
3.3.6 MAGNETICS MODULE The magnetics module (MGM) contains the input current transformers and voltage transformers. The MGM also contains an EEPROM with factory-stored LPS-D model information (DC voltage rating, AC current rating) and gain-calibration information for the analog channels The relay driver logic located on the output board contains the alarm, BFI, RI, RC, breaker close, key transmit- ter, and phase A tripping contacts (or SCRs).
Page 159: Communications Interface
O P E N O P E N RS232 O P E N RS485 Programmable from keypad or communications (refer to Chapters 2 and 12) Figure 3–7: BLOCK DIAGRAM OF THE COMMUNICATIONS MODULE GE Power Management LPS-D Line Protection System...
Page 160: Digital Output / Power Supply Board
Figure 3–9 is a block diagram of the Digital Output/Power Supply board. TRIP RELAY RELAY LATCH RELAY DATA LATCH +12VISO +5VISO +12V ±12VANA 5 V 20 mA CHANNEL INTERFACE POWER SUPPLY Figure 3–8: BLOCK DIAGRAM OF THE DIGITAL OUPUT / POWER SUPPLY LPS-D Line Protection System GE Power Management...
Page 161: Dsp / Ani / Comm / Lui
A/D & LATCHES ANALOG SEQUENCER CONTROL LOGIC VREF REAR COMM REAR COMM ANI CIRCUITRY INTERFACE PL2 INTERFACE PL3 CURRENTS / VOLTAGES Figure 3–9: BLOCK DIAGRAM OF THE DSP / COMM / LUI MODULE GE Power Management LPS-D Line Protection System...
Page 162: Cpu Board
3 HARDWARE DESCRIPTION 3.3.10 960 CPU BOARD The 960 CPU board contains the 960 processor used in the LPS-D, EEPROM for storage of user settings, CAPRAM for storage of fault data and oscillography, and controls data transfer to other modules. The following functions are performed by the 960 CPU board: •...
Page 163 128K x 16 CONTROLS CHIP SELECTS (512K x 16) SIGNALS BYTE ENABLE SIGNALS STATIC SYS-DAT TRANSCEIVER SYS-ADD BUFFER SYSTEM BUS INTERRUPT SYSTEM ADDRESS BUS Figure 3–10: BLOCK DIAGRAM OF THE SYSTEM PROCESSOR (i960 CPU) GE Power Management LPS-D Line Protection System...
Page 164 3.3 PRINTED CIRCUIT BOARD MODULES 3 HARDWARE DESCRIPTION LPS-D Line Protection System GE Power Management...
Page 165: Acceptance/Periodic
OFF. WARNING This section is a guide for testing the LPS-D. These tests are not necessary for incoming inspection as the relay was tested at the factory with automated test equipment. The LPS-D is controlled by self-checking soft- ware.
Page 166: Drawings And References
This includes the voltage and current sources and the LPS-D itself. The ground connection on the LPS-D is terminal A2. The common for surge protection is terminal A18. A2 should be connected to A18 with #12 wire or larger during test as well as operation (The separate surge ground is for Hi-Pot testing purposes).
Page 167: Required Settings
TESTS (USER SETTINGS). 4.1.6 GENERAL INSTRUCTIONS 1. Tests are performed using the test mode of the LPS-D which allows viewing of the internal measuring units and functions. The measuring units and functions are actually internal to the software. There are no indi- vidual hardware modules that are responsible for the specific measuring functions.
Page 168: Setting Changes
4.1.8 ENTERING TEST MODE Before a test can be performed, the LPS-D must be put in test mode and select the function to be tested. The test mode is set as follows: 1. Apply rated DC and wait for relay initialization to complete (if this has not already been done), indicated by the green status LED on the front of the relay.
Page 169: Using Communications (Optional)
HARDWARE SETUP The appropriate cable to connect the PC to the relay depends on the connections the PC and the LPS-D require. The LPS-D front port PL-1 accepts a 9-pin male D-connector. Port PL-2 and the optional PL-3 accept a 25-pin male D-connector.
Page 170: Set Local Pc Configuration
3. Enter the communications port number that you are using on your PC by clicking in the box and typing the number. Do not hit the ENTER key yet. 4. Type in the port number that matches the PC port connected to the LPS-D. If port 3 or 4 is selected, the IRQ number must also be selected.
Page 171: Setting Changes
5. Select OK. ALPS-Link responds with the message SUCCESSFUL LOGIN. If this was an initial login, you must log out at this point and log in again, in order to get a complete display of all the LPS-D menus. 6. Select Logout from the Device menu and select OK.
Page 172: General Relay Tests
4.2.1 T1 – RELAY STATUS AND DISPLAY TESTING The LPS-D Status is reported through the Keypad/Display Interface, the noncritical alarm contact, and the crit- ical alarm contact. If a system error causes relaying functions to cease, the status LED turns red and the criti- cal alarm contact closes.
Page 173: T2 - Digital Output Test
6. Select the output to test by using the ARROW keys to scroll to the desired output, such as T1, and press the ENT key. When the digital output is chosen, the selected relay output closes. Verify that the output under test has closed, using an ohmmeter or other suitable device. GE Power Management LPS-D Line Protection System...
Page 174 KTx - Key Transmitter contacts (programmable) Cxy - C Form contacts with one NO/NC contact pair (programmable) CA - Critical Alarm PWR - Power Supply Alarm † These digital outputs apply to the Single Phase Tripping model only. LPS-D Line Protection System GE Power Management...
Page 175: T3 - Configurable Input And Output Test
4.2.4 T3 – CONFIGURABLE INPUT AND OUTPUT TEST The LPS-D includes 8 configurable inputs and 18 configurable outputs. They provide great flexibility in applying and testing the relay. The configurable inputs and outputs are user-programmed to determine their use. For example, one input could be used to trigger oscillography, while another could be used to select a settings group.
Page 176: T4 - Ac System Input Test
6. Verify the value of IA, IB, or IC depending on connection Y. Verify that the current reading is between 0.9 and 1.1 amps rms. 7. Reduce the test current to zero amps. LPS-D Line Protection System GE Power Management...
Page 177 OUTPUTS CONTINUITY CC10 TESTER CC11 CC12 B21, B22 B6, B7 RATED DC B24, B25 POWER SUPPLY 48, 125, 230 V DC B9, B10 B30, B31 B15, B16 Figure 4–2: CONFIGURABLE INPUT/OUTPUT TEST CONNECTIONS GE Power Management LPS-D Line Protection System...
Page 178 Programmable CONTINUITY TESTER Contact A1 RATED DC POWER SUPPLY 48, 125, 230 V DC CASE GROUND SURGE GROUND Phase Under Test INPUT Y Terminal Block # Figure 4–3: PHASE TO GROUND TEST CONNECTIONS LPS-D Line Protection System GE Power Management...
Page 179: Functional Tests
Remove the test current. A single contact closure is enough to determine that the unit picked up. CAUTION Before starting to test the LPS-D relay, download all the relay settings to your PC using the ALPS-Link program CAUTION GE Power Management...
Page 180: Measuring Unit Tests
1.5 (0.3) A rms. The A1 contact should close momentarily. 7. Immediately increase I to 2.5 (0.5) A rms. The A1 contact should close until current is removed. 8. Reduce I to 0. LPS-D Line Protection System GE Power Management...
Page 181 0.30 (0.06) A rms and apply to the relay. The A1 contact should close. Lower I to 0.10 (0.02) A rms, at which point the A1 contact should open. 6. Reduce I to 0. GE Power Management LPS-D Line Protection System...
Page 182: T5 - Ground Directional Block Test, Ipb + Nb
, to 0.40 (0.08) A rms ∠–265° and apply to the relay. The A1 contact should close. 5. Set IA, the current of I Lower I to 0.15 (0.03) A rms, and the A1 contact should open. 6. Reduce I to 0 A. LPS-D Line Protection System GE Power Management...
Page 183: T7 - Ground Instantaneous Overcurrent 50G
2.4 (0.40) A rms, at which point the A1 contact should open. 5. Reduce I to zero. 6. Restore the following settings OVERCURRNT (605) 50G_DIRCNL = YES (605) 50GPICKUP = 10 (2.0) Amps GE Power Management LPS-D Line Protection System...
Page 184: T8 - Ground Time Overcurrent 51G
0.6 to 0.8 8. Restore these Protection settings OVERCURRNT (610) 51G = Pretest setting 51G_DIRCNL = Pretest setting (611) (612) 51GPICKUP = Pretest setting (615) 51GTIMDIAL= Pretest setting OUTPUTS (2007) A1 = Pretest setting LPS-D Line Protection System GE Power Management...
Page 185 Contact A1 RATED DC POWER SUPPLY 48, 125, 230 V DC CASE GROUND SURGE GROUND Phase INPUT Y INPUT X Under Test Terminal Block Terminal Block Number Number Figure 5–1: PHASE-TO-PHASE TEST CONNECTIONS GE Power Management LPS-D Line Protection System...
Page 186 A, B, C SINGLE PHASE CURRENT SOURCE START Programmable PRECISION TIMER Contact A1 RATED DC POWER SUPPLY 48, 125, 230 V DC CASE GROUND SURGE GROUND Figure 5–2: GROUND REACH TIMER TEST CONNECTIONS LPS-D Line Protection System GE Power Management...
Page 187: T9 - Undervoltage Test
6. Set phase A voltage to 74 V and check that contact A1 is closed. Set phase A voltage back to 67 V and check that contact A1 opens. Repeat for phases B and C. GE Power Management LPS-D Line Protection System...
Page 188: Zone Reach And Timer Tests
50 = NO (605) 50G = NO (610) 51G = NO OS BLOCKING (1603) BLOCKWHAT = 3 (BLKNONE) After the zone reach testing is completed, restore these settings to their pretest values. NOTE LPS-D Line Protection System GE Power Management...
Page 189: T11 - Zone 1 Ground Reach, M1G Ground Faults
7. Reduce the fault current to zero. Note that the trip target indication concurs with the fault. An AG fault is displayed as TRIP: AG Z1 "DIST" where “DIST” is the displayed target. 8. Repeat the test for BG and CG faults. GE Power Management LPS-D Line Protection System...
Page 190: T12 - Zone 2 Ground Reach, Mtg Ground Faults
7. Reduce the fault current to zero. Note that the trip target indication concurs with the fault. An AG fault is displayed as TRIP AG Z2 "DIST" where “DIST” is the displayed target. 8. Repeat the test for BG and CG faults. LPS-D Line Protection System GE Power Management...
Page 191: T13 - Zone 3 Ground Reach, M3G Ground Faults
7. Reduce the fault current to zero. Note that the trip target indication concurs with the fault. An AG fault will be displayed as follows: TRIP: AG Z3 "DIST" where “DIST” is the displayed target. 8. Repeat the test for phase BG and CG faults. GE Power Management LPS-D Line Protection System...
Page 192: T14 - Zone 4 Ground Reach, M4G Ground Faults
7. Reduce the fault current to zero. Note that the trip target indication concurs with the fault. An AG fault is displayed as TRIP AG Z3 “DIST” where “DIST” is the displayed target. 8. Repeat the test for BG and CG faults. LPS-D Line Protection System GE Power Management...
Page 193: T15 - Ground (Zone Backup) Timer Tests
ZONE2 trip, such as: AG Z2. This verifies that the second zone tripped. The time for the trip should be in the range 0.9 to 1.1 seconds. 8. Leave the voltages at the values of step 4. GE Power Management LPS-D Line Protection System...
Page 194 ZONE4 trip, such as: AG Z4. This verifies that the fourth zone tripped. The time for the trip should be in the range 4.8 to 5.2 seconds. 16. If you are not continuing with Phase Reach testing, return all settings to their pretest values. LPS-D Line Protection System GE Power Management...
Page 195: Phase-To-Phase Zone Reach Testing
6. Reduce the fault current to zero. Note that the trip target indication concurs with the fault. For example, an AB fault is displayed as follows: TRIP AB Z1 “DIST” where “DIST” is the displayed target. 7. Repeat the test for phase BC and CA faults. GE Power Management LPS-D Line Protection System...
Page 196: T17 - Zone 2 Phase Reach, M2 Faults
Note that the trip target indication concurs with the fault. For example, an AB fault is displayed as follows: TRIP AB Z2 "DIST" where “DIST” is the displayed target. 7. Repeat the test for phase BC and CA faults. LPS-D Line Protection System GE Power Management...
Page 197: T18 - Zone 3 Phase Reach, M3 Faults
6. Reduce the fault current to zero. Note that the trip target indication concurs with the fault. For example, an AB fault is displayed as: TRIP: AB Z3 "DIST" where “DIST” is the displayed target. 7. Repeat the test for phase BC and CA faults. GE Power Management LPS-D Line Protection System...
Page 198: T19 - Zone 4 Phase Reach, M4 Faults
6. Reduce the fault current to zero. Note that the trip target indication concurs with the fault. For example, an AB fault is displayed as follows: TRIP AB Z4 “DIST” where “DIST” is the displayed target. 7. Repeat the test for phase BC and CA faults. LPS-D Line Protection System GE Power Management...
Page 199: T20 - Phase (Zone Back-Up) Timer Tests
ZONE2 trip, such as: TRIP AB Z2. This verifies that the second zone tripped. The time for the trip should be in the range 0.9 to 1.1 seconds. 9. Leave the voltages at the values of step 4. GE Power Management LPS-D Line Protection System...
Page 200 ZONE4 trip, such as: TRP AB Z4. This verifies that the fourth zone tripped. The time for the trip should be in the range 4.8 to 5.2 seconds. 17. If you are not continuing with MOB testing, return all settings to their pre-test values. LPS-D Line Protection System GE Power Management...
Page 201 Contact A1 RATED DC POWER SUPPLY 48, 125, 230 V DC CASE GROUND Phase INPUT Y INPUT X SURGE GROUND under test (terminal (terminal block number) block number) Figure 5–3: PHASE-REACH TIMER TEST CONNECTIONS GE Power Management LPS-D Line Protection System...
Page 202: Mob Testing
Compare them with the initial settings of the relay, and change to initial values. If the initial settings were saved to a disk file with ALPS-Link before testing, download the file to the relay. LPS-D Line Protection System GE Power Management...
Page 203: Lps-D Functional Tests
However, it is suggested that the relay's built-in self tests be incorporated into the test procedures, since they test the operational status of the unit. It is assumed in what follows that you are familiar with LPS-D testing. If not, refer to Chapter 4: ACCEPTANCE/ PERIODIC TESTS for details.
Page 204 6.1 LPS-D FUNCTIONAL TESTS 6 FUNCTIONAL TESTS (USER SETTINGS) 6.1.2 DRAWINGS AND REFERENCES a) DRAWINGS The following drawings should be used for reference during testing: Elementary Diagrams • Figure 1–22: ELEMENTARY DIAGRAM WITH DEFAULT I/O ASSIGNMENTS on page 1–47 •...
Page 205 NOTE 6.1.4 ENTERING TEST MODE Before a test can be performed, the LPS-D must be put in test mode and select the function to be tested. The test mode is set as follows: 1. Apply rated DC and wait for relay initialization to complete (if this has not already been done), indicated by the green status LED on the front of the relay.
Page 206 6.2.1 T1 – LUI RELAY STATUS The LPS-D Status is reported through the LUI, the non-critical alarm contact, and the critical alarm contact. If a system error causes relaying functions to cease, the status LED turns red and the critical alarm contact closes.
Page 207 GROUND TEST CONNECTIONS on page 4–14. 6. Verify IA, IB, or IC depending on connection Y. Verify that the current reading is 5% of the input current. 7. Reduce the test current to 0 A. GE Power Management LPS-D Line Protection System...
Page 208 The test current, I , is single-phase and applied to I . The LPS-D should pick up when I is equal to I 2. Connect the relay as shown in Figure 4–3: PHASE TO GROUND TEST CONNECTIONS on page 4–14.
Page 209 (PUIPT / 0.9) + 0.10 = [_________] amps rms and apply to the relay. The A1 con- tact should close. Lower I to (PUIPT / 0.9) – 0.1 = [_________] amps rms; the A1 contact should open. 6. Reduce I to zero. GE Power Management LPS-D Line Protection System...
Page 210 (PUIPB / 0.934) + 0.1 = [_________] amps rms and apply to the relay. The A1 con- tact should close. Lower I to (PUIPB / 0.934) – 0.1 = [_________] amps rms; the A1 contact should open. 6. Reduce I to zero. LPS-D Line Protection System GE Power Management...
Page 211 (50G / 0.7) – 0.5 = [________] amps rms; the A1 contact should open. 5. Reduce I to zero. 6. Change the setting of 50G_DIRCNL back to YES to restore directional control, if required. GE Power Management LPS-D Line Protection System...
Page 212 2·51G = [________] amps rms and start the timer. Leave the current on until the A1 contact closes, then stop the timer. The time should be within ±7% of the value found on the LPS-D time-dial curve in use.
Page 213 Equations are given for calculating the pickup voltage for a chosen current magnitude and phase. If you wish to test the complete characteristic, the software program, ALPS-Test, can be used to generate test currents and voltage pickups for the complete characteristic. ALPS-Test is included the LPS-D software suite on the GE Power Systems Products CD.
Page 214 200.0 to 250.0 3. Calculate the impedance, Z , for each zone, where Z equals the magnitude of the expression:   POSSEQANG   ZERSEQANG ∠ ∠ -- - ------     LPS-D Line Protection System GE Power Management...
Page 215 = [________] Volts rms (nominal test voltage Zone 4) NOM 4 If Zone 4 is reversed (Protection Setting 408: Z4DIRECTN = REVERS), remember to add 180° to both the test angle øI and the impedance angle øZ NOTE GE Power Management LPS-D Line Protection System...
Page 216 = [________] amps rms. Reduce the voltage of the faulted phase and check that the A1 contact closes when the voltage is within 7% of V 7. Reduce the fault current to zero. 8. Return Zone 2 phase, Z2PHASE, to your specific setting. LPS-D Line Protection System GE Power Management...
Page 217 = [________] amps rms. Reduce the voltage of the faulted phase and check that the A1 contact closes when the voltage is within 7% of V 7. Reduce the fault current to zero. 8. Return Zone 4 phase, Z4PHASE, to your specific setting. GE Power Management LPS-D Line Protection System...
Page 218 , for Zone 1, Zone 2, Zone 3, and Zone 4 from Table 6–2. (Z1R) = [________] Amps rms (Z2R) = [________] Amps rms (Z3R) = [________] Amps rms (Z4R) = [________] Amps rms LPS-D Line Protection System GE Power Management...
Page 219 . If Zone 4 has a non-zero offset, use the ALPS-Test software to calculate V NOM 4 5. Record V , and øI in the space provided in the appropriate Zone reach test. NOM n GE Power Management LPS-D Line Protection System...
Page 220 A1 contact closes when the voltages are within 7% of V 7. Reduce the current in the faulted phase to zero. 8. Return Zone 2 ground Z2GROUND to your specific setting. LPS-D Line Protection System GE Power Management...
Page 221 A1 contact closes when the voltages are within 7% of V 7. Reduce the fault current to zero. 8. Return Zone 4 ground Z4GRND to your specific setting. GE Power Management LPS-D Line Protection System...
Page 222 6.5.12 ENDING FUNCTIONAL TESTS (USER SETTINGS) When testing is completed, verify that all settings are returned to your specified values. It may be helpful to print out the settings and check them one by one. LPS-D Line Protection System GE Power Management...
Page 223 Trip Outputs (T1 to T6) = 5 A: 0.01 to 50 Ω Continuous Rating: = 1A: 0.01 Ω Resolution: Make and Carry: 30 A (per ANSI C 37.90) = 5 A: 0.01 Ω Interrupting: 25 VA GE Power Management LPS-D Line Protection System...
Page 224 Data Sample time tag resolution: ±1 ms COMPENSATION FACTOR Range: 1.0 to 7.0 Resolution: 0.01 Note: K0 compensation for Zone 1 ground distance is a seperate setting the same range and resolution as above. LPS-D Line Protection System GE Power Management...
Page 225 5.31" (135 mm) Weight: The standard rack-mounted 3 standard rack-units unit weighs 23 pounds. Width: 19.00" with ears (3 standard rack-units) 16.90" without ears (430 mm) SPECIFICATONS ARE SUBJECT TO CHANGE WITHOUT NOTICE GE Power Management LPS-D Line Protection System...
Page 226 7.1 RATINGS 7 SPECIFICATIONS LPS-D Line Protection System GE Power Management...
Page 227 8 LOCAL USER INTERFACE 8.1 INTRODUCTION 8.1.1 DESCRIPTION The Local User Interface (LUI) for the LPS-D Line Protection System consists of a 4-line liquid crystal display (LCD), a keypad, and trip and status LEDs. There a few conventions used with the keypad and display that will be mentioned periodically in this section.
Page 228 8.2.4: REQUEST PRESENT VALUES on page 8–21. The arrow keys cannot be used to scroll through the present values. Both the fault data display and the present value display are stopped by one of the following: TRIP, FAIL/ WARN message or a key being pressed. LPS-D Line Protection System GE Power Management...
Page 229 (in the user-specified units). The message will remain on the display until removed by a keypad oper- ation or by the remote communications Target Reset command. If the relay restarts or is powered down and GE Power Management LPS-D Line Protection System...
Page 230 WORD INVALID is displayed on the bottom line of the display. The [CLR] key deletes this error message and prompts again for the password. If the password is valid, the user’s privilege level is set to the one associated with the entered password. LPS-D Line Protection System GE Power Management...
Page 231 When a group is finally selected, the display will have SETTINGS on the first line and the first three categories on the next three lines. The cursor is positioned on the second line. A few things should be noted at this point: GE Power Management LPS-D Line Protection System...
Page 232 SETTING or MASTER level and communications must not be in the process of changing settings. If the check fails then an error message is displayed and the setting is not changed. LPS-D Line Protection System GE Power Management...
Page 233 As soon as the user has made the first valid setting change, the LED which indicates LPS-D status starts blink- ing, to remind the user to save the settings after editing them. It continues to blink until the user saves the set- tings by pressing [END] or the relay times out.
Page 234 It is possible, however, to view settings with CONTROL or default privilege level. Viewing/Editing of General Settings and the LPS-D response to key selection is similar to that described in Section 8.1.6: EDIT PROTECTION SETTINGS on page 8–5.
Page 235 The [ACT] key is used to select Action Commands. All Action Commands except LUI Test require either CON- TROL or MASTER privilege level. The KEYPAD/DISPLAY INTERFACE Test can be performed with any privi- lege level. The PASSWORD ENABLE/DISABLE command and all relay tests require MASTER privilege level. ACTIONS Enter Password: GE Power Management LPS-D Line Protection System...
Page 236 The relay will ask whether to disable the outputs. Press the [3/N] key for NO or the [1/Y] for YES followed by the [ENT] key. If NO is selected, CANCELED is displayed and no LPS-D action occurs. If YES is selected, two tests are performed: CONTROL or MASTER privilege level is verified and communication must not be in the process of performing an action.
Page 237 The relay will then ask whether to trip the selected breaker. Select [3/N] (NO) or [1/Y] (YES) followed by the [ENT] key. If NO is chosen, CANCELED appears on the display and no LPS-D action occurs. If YES is chosen, two checks are performed: for the CONTROL or MASTER privilege level and whether communication is in the process of performing an action.
Page 238 The relay will ask whether to close the selected breaker. Press [3/N] (NO) or [1/Y] (YES) followed by the [ENT] key. If NO is selected, CANCELED appears on the display and no LPS-D action occurs. If YES is selected, the checks are performed for the control or master privilege level and whether Communication is in the process of performing an action.
Page 239 14: ANY Z1 GND 30: ANY Z1 PHASE 46: OVER VOLTAGE 15: ANY Z2 GND 31: ANY Z2 PHASE 47: UNDER VOLTAGE 16: ANY Z3 GND 32: ANY Z3 PHASE 48:OUT OF STEP TRIP GE Power Management LPS-D Line Protection System...
Page 240 [ENT] key. The bottom two lines of the display will now be filled. This is the end of the test. If the [CLR] key is pressed the relay screen is displayed. If the [ACT] key is pressed, the LUI TEST choices screen will be displayed. LPS-D Line Protection System GE Power Management...
Page 241 The cursor will be stationed on the third line. If [1/Y] (YES), [ENT] is entered, protection is turned ON. The LED indicating LPS-D status turns green (if performing digital output test was the only cause for it being red) and the ACT command menu is displayed with the cursor positioned on Dig output test.
Page 242 After the response described above, playback is started and the word ON will be displayed on the top line. The cursor will be positioned on the top line. After the playback is over, the word ON is removed. LPS-D Line Protection System GE Power Management...
Page 243 The word ON will be displayed as long as playback lasts. The only data files that can be uploaded to the relay are OSC files downloaded from another LPS-O, LPS-D, or ALPS model relay, or a binary or ASCII Commtrade file from another source (Commtrade details are explained below).
Page 244 DECREASE only (depending on the limit reached). Pressing the other arrow will not affect the contrast. An error message will be displayed if the data entry keys are used. CONTROL or MASTER privilege is required to use this command. LPS-D Line Protection System GE Power Management...
Page 245 STATUS: FAIL. If there are no critical failures but there is a non-critical failure, the display will be STATUS: WARN. Even if there are no hardware failures, there may still be miscellaneous status in which case the display will be STATUS: MISC. GE Power Management LPS-D Line Protection System...
Page 246 (phase A to ground) CAG (phases C-A to ground) (phase B to ground) (phases A-B) (phase C to ground) (phases B-C) ABG (phases A-B to ground) (phases C-A) BCG (phases B-C to ground) (3-phase) LPS-D Line Protection System GE Power Management...
Page 247 2.52B_1B : 1 3.52B_1C : 0 NOTE: 1. The LPS-D has 12 contact converters. 2. The contact converter is OPEN if the status is a ‘0’. The contact converter is CLOSED if the status is a ‘1’. GE Power Management...
Page 248 Fail: DSP PROM failure • Fail: Trip circuit continuity monitor #6 • Fail: DSP internal RAM • Fail: Software version error • Fail: DSP internal RAM checksum error • Fail: DSP software version error LPS-D Line Protection System GE Power Management...
Page 249 Manual trip failed • Key transmitter ON • Manual close failed • Key transmitter OFF • Manual recloser reset • Trip circuit #1 energized • Setting changes started • Trip circuit #2 energized GE Power Management LPS-D Line Protection System...
Page 250 RECL in Lockout Invalid REC Type • Trip circuit #4 not energized • RECLOSE Output Issued • RECL in Lockout Manual Lockout • Trip circuit #5 not energized • Trip circuit #6 not energized LPS-D Line Protection System GE Power Management...
Page 251 TROL privilege level is desired. Either may be used for the MASTER privilege level. See the following table for decoding information. Table 8–1: PASSWORD ENCRYPTION KEY TABLE Displayed Decoded Displayed Decoded Displayed Decoded (space) (space) " < & > " & GE Power Management LPS-D Line Protection System...
Page 252 If it is not possible, the first 20 characters of the sta- tion ID are displayed on the third line and the rest are displayed on the fourth line. 8.2.10 REQUEST LPS-D MODEL/VERSION This category is used to display the Model and Version numbers for the relay.
Page 253 8.3 ASCII INTERFACE 8.3.1 DESCRIPTION The pin-to-pin connections for the cable connectIng the ASCII port to plug PL2 on the back of the LPS-D are shown in Figure 8–2: MODEM CABLE. Virtually any standard communications package on a PC with a serial interface may be used.
Page 254 2. Remove four thumbscrews holding the plastic cover in place and lay aside with plastic cover. 3. Turn the power switch off on the front panel. 4. Remove DC power from the LPS-D. Completely power down the relay by disconnecting the control DC power and by removing all voltage inputs to the rear terminals prior to opening the unit.
Page 255 Hayes. This is necessary since the ALPS-Link communications software that runs on the PC sends a Hayes-compatible command string to the modem located at the PC. The LPS-D does not send any configura- tion commands to its modem. Both the relay modem and the PC modem must be uniquely configured to permit logging into and communicating with the relay using ALPS-Link software.
Page 256 An ALPS-Link setting establishes the baud rate, which must match the baud rate setting of the LPS-D. ALPS- Link will then set the specified PC serial port (COM1, COM2) to the proper baud rate, parity, data bits, and stop bits.
Page 257 Figure 8–4: 25-PIN NULL MODEM CABLE G N D G N D TO RELAY REMOTE COMMUNICATIONS FROM PL-1 MODULE TO PC PL-1 NULL MODEM CABLE Figure 8–5: NULL MODEM CABLE FOR PORT PL1 GE Power Management LPS-D Line Protection System...
Page 258 Enable (Smart) Comm. Std. (@1200 bps) Bell 212A (B1) Bell 212A (B1) Response to DTR Ignore DTR (&D0) Ignore DTR (&D0) Fall Back to 4800Bd AT#F1 Pulse Dial Ratio 39%Mk/61%Bk (&P0) 39%Mk/61%Bk (&P0) LPS-D Line Protection System GE Power Management...
Page 259 The name of the board. This is found on the component side of the printed circuit board with the assembly number and revision. • The assembly number of the LPS-D is an eight-digit number with a letter inserted between the fourth and fifth digit and with a group-identification suffix, such as 0215B8011G001. •...
Page 260 960 CPU Non-critical, turn off optocouplers pilot protection Digital Output Circuitry Loop-back test 960 CPU Critical, restart Trip Circuit Continuity Bit read via bus 960 CPU Non-critical Operator initiated, visual feedback 960 CPU Non-critical LPS-D Line Protection System GE Power Management...
Page 261 9.2 TROUBLESHOOTING 9.2.1 DESCRIPTION Troubleshooting the LPS-D comprises three steps, as follows: 1. Determine the relay status as either critical, non-critical, or miscellaneous. 2. Use the list of failure codes and warning codes or the Information Status command to determine the defec- tive board(s) 3.
Page 262 The Fail message indicates the nature of the critical failure. It remains on the dis- play until a key is pressed or the LPS-D restarts successfully with no self-test failures. See Section 9.2.7: SER- VICE SYSTEM STATUS FAILURES on page 9–5 for the list of mnemonic failure codes and their meanings.
Page 263 The non-critical failure message has the format WARN xxx. The xxx field is the numeric code that indicates the nature of the failure. The WARN message remains on the display until a key is pressed or until the LPS-D restarts successfully with no self-test failures. See Section 9.2.7 SERVICE SYSTEM STATUS FAILURES for the list of Warning codes and their meanings.
Page 264 WARN-COMM REAR PORT #1 FAIL • FAIL-DSP 960-DSP INTERRUPT • WARN-COMM REAR PORT #2 FAIL • FAIL-RUN TIME DPRAM CHECKSUM • WARN-COMM LUI KEYPAD ERROR • FAIL-DI SERIAL EEPROM • STAT-DI ERROR CORRECTED LPS-D Line Protection System GE Power Management...
Page 265 10.1.1 DESCRIPTION ALPS-Test is used to generate test data for the measuring units in the LPS-D relay for the settings specified by the user. This data can be used to validate your test data. ALPS-Test was designed to work with both the ALPS and LPS-D series of relays.
Page 266 The title bar of the main window has the currently opened file name which is the file name the user selected • Pull down the File menu. The most recent file is this same file name. LPS-D Line Protection System GE Power Management...
Page 267 I0 Compensation Factor, K0 1.0 to 7.0 Direction forward, reverse reverse Offset Reach (times main reach) 0 to 0.4 Replica Impedance Angle Calculated for output only Effective Test Reach Calculated for output only GE Power Management LPS-D Line Protection System...
Page 268 Select a new value and click on OK. The dialog box clears from the screen and the value in the test dialog box is changed to the value just entered. LPS-D Line Protection System GE Power Management...
Page 269 The following dialog box is displayed for this test. The values are the default values used when the user selects New Test File from the File menu. Figure 10–7: MT PHASE UNITS – ZONE 2 DIALOG BOX GE Power Management LPS-D Line Protection System...
Page 270 The following dialog box is displayed for this test. The values are the default values used when the user selects New Test File from the File menu. Figure 10–9: M4 PHASE UNITS – ZONE 4 DIALOG BOX LPS-D Line Protection System GE Power Management...
Page 271 The following dialog box is displayed for this test. The values are the default values used when the user selects New Test File from the File menu. Figure 10–11: M1G GROUND UNITS – ZONE 2 DIALOG BOX GE Power Management LPS-D Line Protection System...
Page 272 The following dialog box is displayed for this test. The values are the default values used when the user selects New Test File from the File menu. Figure 10–13: M3G GROUND UNITS – ZONE 3 DIALOG BOX LPS-D Line Protection System GE Power Management...
Page 273 New Test File from the File menu. Select New Test File from the File menu. This will create a new test which is indicated by the GE logo being displayed and the test name of Untitledx in the title bar. The x is a digit which indicates the number of new documents created.
Page 274 Figure 10–14: FILE MENU Select New Test File from the File menu. This will create a new test which is indicated by the GE logo being displayed and the test name “Untitledx” in the title bar. The ‘x’ is a digit corresponding to the number of new documents created.
Page 275 Select Open Setting File from the File menu. Select the edited setting file. Select a test that uses the setting value that was deleted. Verify the following: • No error message is displayed. • The corresponding test value is the default value. GE Power Management LPS-D Line Protection System...
Page 276 Create a new test. Select Save Input Quantities from the “File” menu. The Save Input Quantities As dialog box will be displayed. Enter a name for the test and select the OK button. The test is saved. Verify the saved test as above. LPS-D Line Protection System GE Power Management...
Page 277 If you have not saved the current file, select Exit from the File menu. A message box is displayed asking if you want to save the modified test. Click on OK. The program saves the file and exits. GE Power Management LPS-D Line Protection System...
Page 278 To use the output that is on the clipboard: • Start Windows Application. • Select Paste Special from the Edit menu. There is one item on the clipboard, a bitmap. • Select the bitmap and paste into the current document. LPS-D Line Protection System GE Power Management...
Page 279 Select the Status Bar menu item. The status bar is removed from the display. Select the Status Bar menu item again. The status bar is displayed. GE Power Management LPS-D Line Protection System...
Page 280 The focus is set to the first item in the Menu contents list box. • The menu text is in the Menu text box. • The Command line text box has the invalid path name. LPS-D Line Protection System GE Power Management...
Page 281 Click on the OK button. Pull down the Tools menu. • Verify that there are two tools and they are in the correct order. • The two tools are followed by a separator bar and the Setup menu item. GE Power Management LPS-D Line Protection System...
Page 282 Select the Arrange Icons menu item. The icons are rearranged across the bottom of the screen. 10.7.5 VIEWING MULTIPLE TESTS When more than one test file active in the program. Pull down the Window menu. The menu shows all the active test windows. LPS-D Line Protection System GE Power Management...
Page 283 Select About ALPS_TST from the Help menu. The following dialog box is displayed: Figure 10–22: ABOUT ALPS_TST DIALOG BOX Click on the More Information button. Information about who to contact is displayed. Click on OK. The dialog box is cleared from the screen. GE Power Management LPS-D Line Protection System...
Page 284 10.8 HELP MENU 10 ALPS TEST PROGRAM LPS-D Line Protection System GE Power Management...
Page 285 From this window, you can jump to more specific information. You can also press the F1 key on the key- board to get the Help contents. Help information on any dialog box could be obtained by clicking the Help but- ton in that dialog box. GE Power Management LPS-D Line Protection System...
Page 286 RS232 port; for connection via the LPS-D RS485 port, an RS485/RS232 converter is required. If you wish to connect to your LPS-D over a dial-up modem, the relays should be con- nected as follows: •...
Page 287 11 ALPS-LINK USER GUIDE 11.2 ALPS-LINK INSTALLATION Printer ALPS ALPS RS232 GE Pro te c tio n & Co n tro l M a lv e rn , PA POWER TARGET RESET ST AT U S M OD E L...
Page 288 1. Ensure that Microsoft Windows is running on the local PC. 2. Insert the GE Power Management CD into your CD-ROM drive or direct your web browser to the GE Power Management website at www.GEindustrial.com/pm. The Products CD is essentially a "snap- shot"...
Page 289 10. The Setup Options dialog box will appear. Choose between Complete, Custom, or Typical installation. Typical is recommended. 11. Setup will then prompt for a Program Folder for the LPS-D software. Enter a folder or choose the default LPS PC Programs and click Next.
Page 290 Window and Help. The items in each menu change when a device is connected. For example, Log will not have the current item now but will display it when the device is connected. LPS-D Line Protection System GE Power Management...
Page 291 Log is on or off, part five and six indi- cate the Caps Lock and Num Lock respectively. Figure 11–6: ALPS-LINK STATUS BAR GE Power Management LPS-D Line Protection System...
Page 292 11.4.2 COM PORT SETUP For any operation with the LPS-D device, it is essential that the PC and the device have a physical link estab- lished between them. This physical link could be an RS232 line or an RS485 line. If required, dial-up modems can be used for this connection.
Page 293 Specify the number of Re-dial Attempts the host machine has to do before declaring the dialing operation a failure. A maximum of 9 re-dials can be specified. Any modifications done in the modem setup actually take effect the next time you make a connection request with a device. GE Power Management LPS-D Line Protection System...
Page 294 11.4.5 DEVICE SETUP More than one LPS-D device could be connected to the host machine on the physical link. But, at any given time, ALPS-Link can communicate with a single device. It is possible that each of these devices are configured with various communication parameters: for example, telephone number, baud rate, etc.
Page 295 Delete button. A message box requesting the confirmation for the deletion appears. Choose the Yes button to proceed with the deletion. Choose the No button to quit deleting the device from the list. GE Power Management LPS-D Line Protection System...
Page 296 Even if the other device is not on the same line, ALPS-Link will automatically hang-up this line and dial the new num- ber to connect to the new device you selected. LPS-D Line Protection System GE Power Management...
Page 297 11.6 SETTINGS 11.6.1 DESCRIPTION The LPS-D performs protection functions in a power system according to the device settings values. The set- tings are grouped into categories. The LPS-D has four settings groups. ALPS-Link provides for uploading the settings from the device, modifying and these modified settings can either be downloaded to the device or stored in a local file.
Page 298 In both cases, a dialog box appears where you can select the file to load from with the settings dialog box with the settings. Multiple files can be opened simultaneously for viewing, modifying and printing. Refer to Section 11.6.2: UPLOAD SETTINGS for an explanation on the Settings dialog box features. LPS-D Line Protection System GE Power Management...
Page 299 TOC curves. This package will not be a part of ALPS-Link. The interface between this package and ALPS-Link will be TOC curve files stored on the disk. GE Power Management LPS-D Line Protection System...
Page 300 The passwords are downloaded to the device for change. Any error from the device will be notified to you. 11.7.5 RESET DATA This item helps you to reset specific data in a LPS-D device. LPS-D Line Protection System GE Power Management...
Page 301 11.7.8 OPEN BREAKER Choose this menu item to open the breaker, this will prompt you with the confirmation message box. Click Yes to open the breaker. The LPS-D will send command to the device to open the breaker. 11.7.9 CLOSE BREAKER Choose this menu item to close the breaker.
Page 302 11.8 INFORMATION 11.8.1 DESCRIPTION Different types of information stored in the LPS-D can be fetched and viewed in a desired report format. ALPS- Link facilitates the acquisition and presentation of this information. Reports can be viewed, printed, or stored for later use. You can select the report you want from the Reports menu. A list of available reports will be dis- played when you choose the Open item.
Page 303 A choice of DAF or COMTRADE file formats is available. The .DAF file is formatted for use with the GE-DATA oscillography program. The .OSC format creates a binary COMTRADE file that can be viewed with any binary COMTRADE reader. You will be prompted for a name of this report when you close the fault report window, or, select the Report >...
Page 304 When you are viewing multiple reports and choose the print item, ALPS- Link will print the report in the active window. So, make sure the report you want a hard copy of is in the active window. LPS-D Line Protection System GE Power Management...
Page 305 Reports and Settings can be stored on the secondary storage by you, where as up to 100 log files are stored by ALPS-Link. It might be necessary to make an archival of some of these files. ALPS-Link supports this through the Archival option. The same option can be used to retrieve these backups. GE Power Management LPS-D Line Protection System...
Page 306 .log, that is, you can name it test.log. For Report and Settings, you can select the directory and name of your choice. LPS-D Line Protection System GE Power Management...
Page 307 12 ASCII COMMUNICATIONS 12.1 INTRODUCTION 12.1.1 DESCRIPTION The LPS-D has a built-in ASCII interface which can communicate using any standard terminal emulator. The user must initiate all commands by typing them. Some of the commands have abbreviations which are repre- sented by the capital letters in a command.
Page 308 ALPS-Link and to the Enter New Password new password; ASCII; MMI passwords are password Re-enter New Password new password not affected by this being Password changed or INVALID; password not command changed changed LPS-D Line Protection System GE Power Management...
Page 309 0.00 Press ENTER to Continue List of Fault Events: TIME EVENT 16:32:23.7025 Oscillography Capture 16:32:23.7041 RMS Oscillography Data Press Y to get oscillography data Press ESC to quit Press Any Key to continue GE Power Management LPS-D Line Protection System...
Page 310 Enter END to end test letter output is tested To see list of Digital Outputs enter H To quit press ESC Enter your choice: 4 Digital Output #4 is Activated Turn Protection on? (Y/N): LPS-D Line Protection System GE Power Management...
Page 311 Enter new Station ID (max. 32 characters): NEW current ID; NEW STATION ID FEEDER ID or Enter new Line ID (max. 32 characters): NEW ENTER to keep FEEDER ID current ID; enter Are you sure? (Y/N): y letter GE Power Management LPS-D Line Protection System...
Page 312 O utput C ontact #15, K T3=0 O utput C ontact #16, K T4=0 Output Contact #17, C1=0 Output Contact #18, C2=0 DATE Displays the current LPS-D SETTINGS Do you want to change date? (Y/N): Enter letter Y or date Enter new date (mm/dd/yy): N;...
Page 313 Lowest Relay Prompt User Response Command Level Mnemonic Password Needed TIMe Displays the current LPS-D SETTINGS Do you want to change time? (Y/N): Enter letter Y or time Enter new time (hh:mm:ss): N; 6 digit time Command is executed code...
Page 314 To go back to previous menu press B between 1 to 20, To quit press ESC the letters C and B, or press ESC Enter your choice: 1 Press ENTER or Press ENTER to continue or ESC to quit LPS-D Line Protection System GE Power Management...
Page 315 13 XPRESSION BUILDER 13.1 INTRODUCTION 13.1.1 OVERVIEW The LPS-D relay has been designed to allow flexibility in the operation of contact converter inputs and contact outputs. The inputs and outputs are not hard-wired to any function; the functions of each input and output are defined by a software file which is downloaded to the relay as a part of each setting group.
Page 316 The Q output line directly reflects the state of the flip-flop. If the flip-flop is set, then Q equals a high (binary 1). If Q equals a low (binary 0), then the flip-flop is reset. LPS-D Line Protection System GE Power Management...
Page 317 RO and SO are set low (binary 0) which returns the timer to its “initial state”. See Table 13–1: PICKUP DELAY TIMER TRUTH TABLE for a summary of the pickup delay timer function. GE Power Management LPS-D Line Protection System...
Page 318 If the O output line is low (binary 0), then the accumulated count is less than the set value. A transition from low (binary 0) to high (binary 1) on the R input line resets the counter to zero. Figure 13–5: COUNTER LPS-D Line Protection System GE Power Management...
Page 319 MANLKT Configurable Input 1 CNFDI1 Configurable Input 2 CNFDI2 Configurable Input 3 CNFDI3 Configurable Input 4 CNFDI4 Configurable Input 5 CNFDI5 Configurable Input 6 CNFDI6 Configurable Input 7 CNFDI7 Configurable Input 8 CNFDI8 GE Power Management LPS-D Line Protection System...
Page 320 External Manual Close EMNCLS External Contact to Reset Trip Target Display RESET External Contact Input to Disable Protection DISPRT External Contact Input to Disable Outputs DISOUT External Contact to Trigger Oscillography OSCTRG Manual Lock-Out MANLKT LPS-D Line Protection System GE Power Management...
Page 321 BVOVR Phase C Overvoltage CVOVR Instantaneous Positive Sequence Overvoltage V1IOVR Time Delayed Positive Sequence Overvoltage V1TOVR Instantaneous Compensated Positive Sequence Overvoltage V1CIOV Time Delayed Compensated Positive Sequence Overvoltage V1CTOV Any Phase Overvoltage OVRVLT GE Power Management LPS-D Line Protection System...
Page 322 Zone 3 Phase Timer Z3PTMR Zone 4 Phase Timer Z4PTMR TL1 Timer Output TL16 Timer Output TL16 TL24 Timer Output TL24 TL25 Timer Output TL25 Ground Forward Flag (NT) GRDFWD Ground Reverse Flag (NB) GRDREV LPS-D Line Protection System GE Power Management...
Page 323 T1 to T6 Auxiliary Contacts A1 to A12 Control Contacts C1 to C2 High Speed Channel Contacts KT1 to KT4 User Defined Trip CONFTRIP User Defined Oscillography Capture CONFOSC User Defined Non-Critical Alarm NC Alarm GE Power Management LPS-D Line Protection System...
Page 324 52_b contacts. Other inputs can come from external contacts, other relay outputs, or the feedback of one of the LPS-D outputs to an input. The list of available con- tact converter input assignments can be found in Table 13–2: CONTACT CONVERTER INPUT FLAGS. In effect, this process does nothing more than associate a given digital input with a name that Xpression Builder can use.
Page 325 Boolean operator. If all the inputs are connected to logic gates and/or output contacts, the logic is ready for compilation. Figure 13–10: STRAIGHT AND ORTHO-CONNECTION ICONS GE Power Management LPS-D Line Protection System...
Page 326 (BPLTRIP), the external configurable input (CNFDI1), the internal block supervision cur- rent flag (IB), the Boolean operators (OR, AND, and P/D Timer), and the output contact (A1). Figure 13–11: SAMPLE BREAKER FAILURE LOGIC LPS-D Line Protection System GE Power Management...
Page 327 14 ALPS-SET PC SOFTWARE 14.1 INTRODUCTION 14.1.1 INSTALLATION The ALPS-SET program can be installed from the GE Products CD or downloaded from the GE Power Man- agement website at www.GEindustrial.com/pm. See Section 11.2.4 SOFTWARE INSTALLATION on page 11–4 for installation instructions.
Page 328 Individual settings for the scheme selected may now be changed. • Note that only the protection settings that apply to the model number and the firmware version are dis- played in the list box. Figure 14–4: CHANGE SETTINGS – PROTECTION DIALOG BOX LPS-D Line Protection System GE Power Management...
Page 329 Select Print Settings Report from the File menu. The Select Categories dialog box is displayed as follows. Figure 14–6: SELECT CATEGORIES TO PRINT DIALOG BOX Select the desired categories and click on the OK button. GE Power Management LPS-D Line Protection System...
Page 330 Select About ALPS_SET from the Help menu. The following dialog box is displayed: Figure 14–8: ABOUT ALPS-SET DIALOG BOX The version number and dates may be different than shown above. LPS-D Line Protection System GE Power Management...
Page 331 • Verify the cable you are using is a null modem cable • Verify the protocol of the relay comm port you are using is set for GE-Modem. Note: rear port PL2A is fac- tory set for ASCII. • Verify the unit ID, baud rate, stop bits, and parity settings of the relay comm port you are using to match with the settings in the device setup for the ALPS-Link session.
Page 332 Saving data in the DAFF format creates an OSC, DAF, and REP file. The OSC file is used to playback a wave- form to the relay. The DAF file is used by the GE-DATA program to view the waveforms and flags within the relay.
Page 333 The DAT file contains the actual oscillography data in a binary format. The ASC file contains the oscillography data in an ASCII format. The REP file contains instructions on saving the oscillography data. To view the latest version of this FAQ and other documents, visit the GE Power Management Home page at www.ge.com/indsys/pm.
Page 334 A.1 FREQUENTLY ASKED QUESTIONS APPENDIX A LPS-D Line Protection System GE Power Management...
Page 335 R00503 TRIGGER_OSC OSC Trigger Value to trigger oscillography: 0xFF00 R00504 CANCEL_REPORT Cancel Report Value to cancel active report: 0xFF00 R00505 CHANNEL_TEST Channel Test Value to start test: 0xFF00 Value to stop test: 0x0000 GE Power Management LPS-D Line Protection System...
Page 336 FREQ Frequency 0 to 60 Hertz Float R31047I ACT_PROT_GRP_ Active Setting Group 1 to 4 NUMBER R31048I NO_BRKRS Number of Breakers 1 to 2 R31049I BKR_1A Brk1/1A R31050I BKR1B Brk1B R31051I BKR1C Bkr1C LPS-D Line Protection System GE Power Management...
Page 337 REPORT_STATUS Report Status Register R31134 OST Report Available 0 – not available 1 – available R31501A7 OSC_STATUS_DATA Waveform Server Fault Data R31501L FAULT_1_DATE Fault Date R31503L FAULT_1_TIME Fault Time R31505 FAULT_1_DATA Fault Data GE Power Management LPS-D Line Protection System...
Page 338 R31506F FAULT_1_DIST Fault Distance Float R32001 Date (Event 1) MM/DD/YY R32003 Time (Event 1) HH:MM:sec.ms R32005 Event Code (Event 1) † See the Line Units Setpoint Register for the units of Fault Distance LPS-D Line Protection System GE Power Management...
Page 339 0 to 32 R43061I CC_7 CC_7 0 to 32 R43062I CC_8 CC_8 0 to 32 R43063I CC_9 CC_9 0 to 32 R43064I CC_10 CC_10 0 to 32 R43065I CC_11 CC_11 0 to 32 GE Power Management LPS-D Line Protection System...
Page 340 0.01 to 50.0 W step 0.1 (5A) Float 0.05 to 250.0 W step 0.05 (1A) R43157I G1_Z3GCHARACHAG Z3CHARCHAG 90 to 120° step 5 R43158F G1_Z3P_TIME Z3P_TIME 0.10 to 10.0 sec. step 0.01 Float LPS-D Line Protection System GE Power Management...
Page 341 0 = No; 1 = Yes R43204I G1_51G_DIRCNL 51G_DIRCNL 0 = No; 1 = Yes R43205F G1_51GPICKUP 51GPICKUP 0.20 to 15.0 A step 0.01 (5A) Float 0.04 to 3.0 A step 0.01 (1A) GE Power Management LPS-D Line Protection System...
Page 342 0.2 to 3.0 A step 0.1 R43252I G1_REMOTEOPEN REMOTEOPEN 0 = No; 1 = Yes R43253I G1_TL20PICKUP TL20PICKUP 10 to 100 msec. step 1 R43254I G1_LINEOVERLD LINEOVERLD 0 = No; 1 = Yes LPS-D Line Protection System GE Power Management...
Page 343 Float R43292I G1_FLTRESET FLTRESET 0 to 999 minutes step 1 R43293I G1_MOBZONE MOBZONE 0 = Zone 2; 1 = Zone 3; 2 = Zone 4 R43294I G1_MOBCHARANG MOBCHARANG 30 to 130° step 1 GE Power Management LPS-D Line Protection System...
Page 344 0.1 to 2.0 sec. step 0.1 Float R43339I G1_HOLD HOLD 0 = No; 1 = Yes R43340I G1_HOLDTIME HOLDTIME 1 to 1000 sec. step 1 R43341I G1_HOLDSENSE HOLDSENSE 0 = CC; 1 = CO LPS-D Line Protection System GE Power Management...
Page 345 0 to 256 step 1 R43382I G1_T3 0 to 256 step 1 R43383I G1_T4 0 to 256 step 1 R43384I G1_T5 0 to 256 step 1 R43385I G1_T6 0 to 256 step 1 GE Power Management LPS-D Line Protection System...
Page 346 0.05 to 250.0 Ω step 0.05 (1A) R43519I G2_Z2PCHARANG Z2PCHARANG 90 to 120° step 5 R43520I G2_Z2GROUND Z2GROUND 0 = No; 1 = Yes R43521I G2_Z2GRDCHAR Z2GRDCHAR 0 = MHO; 1 = GDOC; 2 = MHOGDOC LPS-D Line Protection System GE Power Management...
Page 347 0.0 to 20.0 Ω step 0.01 R43566F G2_NT_OFFSET NT_OFFSET Float 0.0 to 100 Ω step 0.01 R43568I G2_UNBALALARM UNBALALARM 0 = No; 1 = Yes R43569I G2_50 0 = No; 1 = Yes GE Power Management LPS-D Line Protection System...
Page 348 0.0 to 10.0 sec. step 0.01 Float R43617I G2_FUSEFAIL FUSEFAIL 0 = No; 1 = Yes R43618I G2_ALL_BELOW ALL_BELOW 0 = No; 1 = Yes R43619I G2_OUTOFSTEP OUTOFSTEP 0 = No; 1 = Yes LPS-D Line Protection System GE Power Management...
Page 349 8 to 99 msec. step 1 R43656I G2_TL24DROPOUT TL24DROPOUT 30 to 500 msec. step 1 R43657I G2_TL25DROPOUT TL25DROPOUT 30 to 500 msec. step 1 R43658I G2_TL26PICKUP TL26PICKUP 0 to 50 msec. step 1 GE Power Management LPS-D Line Protection System...
Page 350 0 = Off; 1 = None; 2 = Internal; 3 = External; 4 = Both R43696I G2_RECLOSETYPE RECLOSETYPE 0 = 1POLE; 1 = 3 POLE; 2 = 1POLE3POLE R43697I G2_NUM_1P_AT NUM_1P_AT 1, 2, 3, 4 LPS-D Line Protection System GE Power Management...
Page 351 0 = No; 1 = Yes R43748I G2_DBUSDLINE DBUSDLINE 0 = No; 1 = Yes R43749F G2_DELTAV DELTAV 0.1 to 130 V step 0.1 Float R43751I G2_DELTAVBLK DELTAVBLK 0 = No; 1 = Yes GE Power Management LPS-D Line Protection System...
Page 352 0 = No; 1 = Yes 0.01 to 50.0 Ω step 0.01 (5A) R43801F G3_Z1PHREACH Z1PHREACH Float 0.05 to 250.0 Ω step 0.05 (1A) R43803F G3_Z1PLEVDET Z1PLEVDET 0.0 to 9.9 p.u. V step 0.1 Float LPS-D Line Protection System GE Power Management...
Page 353 0.01 to 50.0 Ω step 0.01 (5A) R43847F G3_Z4GRDREACH Z4GRDREACH Float 0.05 to 250.0 Ω step 0.05 (1A) R43849I G3_Z4GCHARANG Z4GCHARANG 80 to 120° step 5 R43850I G3_Z4DIRECTN Z4DIRECTN 0 = Forward; 1 = Reverse GE Power Management LPS-D Line Protection System...
Page 354 G3_51G_RESET 51G_RESET 0 = FAST; 1 = EM R43895I G3_RATEDVOLTS RATEDVOLTS 1.00105E+14 V R43896I G3_PHASEOVER PHASEOVER 0 = No; 1 = Yes R43897F G3_PHOVPICKUP PHOVPICKUP 0.0 to 1.4 p.u. V step 0.01 Float LPS-D Line Protection System GE Power Management...
Page 355 G3_LEVEL2TDLY LEVEL2TDLY 10 to 99 sec. step 1 Float R43943I G3_PICKSCHEME PICKSCHEME 0 = STEPDST; 1 = PUTT; 2 = POTT1; 3 = POTT2; 4 = HYBRID R43944I G3_NUMRCVR NUMRCVR 0, 1, 2 GE Power Management LPS-D Line Protection System...
Page 356 0 = No; 1 = Yes R43981I G3_NUMBRCHAR NUMBRCHAR 2, 3 R43982I G3_TRIPIN_OUT TRIPIN_OUT 0 = IN; 1 = OUT 0.1 to 75.0 Ω step 0.1 (5A) R43983F G3_FWDREACH FWDREACH Float 0.5 to 375.0 Ω step 0.5 (1A) LPS-D Line Protection System GE Power Management...
Page 357 3 = VAB; 4 = VBC; 5 = VCA R44029I G3_SYNCHHOLD SYNCHHOLD 1 to 100 sec. step 1 R44030I G3_SP1DELAY2 SP1DELAY2 R44031I G3_SP1DELAY3 SP1DELAY3 0 = No; 1 = Yes R44032I G3_SP1DELAY4 SP1DELAYR 0 = No; 1 = Yes GE Power Management LPS-D Line Protection System...
Page 358 0 to 256 step 1 R44071I G3_A6 0 to 256 step 1 R44072I G3_A7 0 to 256 step 1 R44073I G3_A8 0 to 256 step 1 R44074I G3_A9 0 to 256 step 1 LPS-D Line Protection System GE Power Management...
Page 359 0.10 to 3.0 sec. step 0.01 Float R44130I G4_Z3PHASE Z3PHASE 0 = No; 1 = Yes 0.01 to 50.0 Ω step 0.1 (5A) R44131F G4_Z3PHREACH Z3PHREACH Float 0.05 to 250.0 Ω step 0.05 (1A) GE Power Management LPS-D Line Protection System...
Page 360 0 = No; 1 = Yes R44176I G4_50G_DIRCNL 50G_DIRCNL 0 = No; 1 = Yes R44177F G4_50GPICKUP 50GPICKUP 0.5 to 80.0 A step 0.1 (5A) Float 0.1 to 16.0 A step 0.1 (1A) LPS-D Line Protection System GE Power Management...
Page 361 0 = No; 1 = Yes R44226I G4_ANYZ2PHASE ANYZ2PHASE 0 = No; 1 = Yes R44227I G4_CONFGTRIP CONFGTRIP 0 = No; 1 = Yes R44228I G4_LINEPICKUP LINEPICKUP 0 = No; 1 = Yes GE Power Management LPS-D Line Protection System...
Page 362 G4_LINELENGTH LINELENGTH 0.0 to 500.0 step 0.1 Float R44267I G4_LINEUNIT LINEUNIT 0 = Miles, 1 = Km R44268I G4_CTRATIO CTRATIO 1 to 5000 step 1 R44269I G4_PTRATIO PTRATIO 1 to 7000 step 1 LPS-D Line Protection System GE Power Management...
Page 363 0.1 to 300.0 sec. step 0.1 Float R44309F G4_3PDELAY2 3PDELAY2 0.1 to 300.0 sec. step 0.1 Float R44311F G4_3PDELAY3 3PDELAY3 0.1 to 300.0 sec. step 0.1 Float R44313F G4_3PDELAY4 3PDELAY4 0.1 to 300.0 sec. step 0.1 Float GE Power Management LPS-D Line Protection System...
Page 364 0 to 256 step 1 R44357I G4_NCAIN6 NCAIN6 0 to 256 step 1 R44358I G4_NCAIN7 NCAIN7 0 to 256 step 1 R44359I G4_NCAIN8 NCAIN8 0 to 256 step 1 R44360I G4_T1 0 to 256 step 1 LPS-D Line Protection System GE Power Management...
Page 365 0 to 256 step 1 R44382I G4_KT3 0 to 256 step 1 R44383I G4_KT4 0 to 256 step 1 R44384I G4_CONFTRIP CONFTRIP 0 to 256 step 1 R44385I G4_CONFOSC CONFOSC 0 to 256 step 1 GE Power Management LPS-D Line Protection System...
Page 366 EEPROM self-test error bit 7 CAPACITOR RAM self-test error bit 8 RTC failure bit 9 Watchdog timer failure bits 10 & 11 bit 12 Version error bit 13 SYSTEM processor (i960) in RESET LPS-D Line Protection System GE Power Management...
Page 367 PROM self-test error in DSP card bit 1 Startup RAM self-test error in DSP card bit 2 CRC RAM self-test error in DSP card bit 3 Shared RAM self-test error (reported by DSP) GE Power Management LPS-D Line Protection System...
Page 368 Baud Rate (XX): 12 = 1200 baud; 24 = 2400 baud; etc. Parity (Y): 0 = no parity; 1 = parity Stop bits (Z): 0 = no stop bits; 1 = one stop bit; etc. LPS-D Line Protection System GE Power Management...
Page 369 CAG_: phase C to phase A to ground AB_: phase A to phase B BC_: phase B to phase C CA_: phase C to phase A 3PH: phase A to phase B to phase C Undefined DOWNLOAD STATUS GE Power Management LPS-D Line Protection System...
Page 370 End of test phase systems 5 to 6 15 to 18 C1A / C1B C2A / C2B CA – A/B (critical alarm) DIGITAL TEST NUMBER for single End of test phase systems LPS-D Line Protection System GE Power Management...
Page 371 Status for CC6 bit 6 Status for CC7 bit 7 Status for CC8 bit 8 Status for CC9 bit 9 Status for CC10 bit 10 Status for CC11 bit 11 Status for CC12 GE Power Management LPS-D Line Protection System...
Page 372 Status for A1 bit 7 Status for A2 bit 8 Status for A3 bit 9 Status for A4 bit 10 Status for A5 bit 11 Status for A6 bit 12 Status for A7 LPS-D Line Protection System GE Power Management...
Page 373 Reset target LEDs, clear warn and fail and trip message from display and EEPROM MULTIPLIER M: millions K: thousands Actual value PHASEROTATE BAUD RATE 1200 2400 4800 9600 19200 PARITY no parity odd parity even parity STOP BITS INTERFACE RS232 RS485 GE Power Management LPS-D Line Protection System...
Page 374 “FAIL– TRIP CIRCUIT #5 CONTINUITY MONITOR” “FAIL– TRIP CIRCUIT #6 CONTINUITY MONITOR” “FAIL– SOFTWARE VERSION ERROR” “FAIL– DSP SOFTWARE VERSION ERROR” “FAIL– FIVE RESTARTS IN AN HOUR” “FAIL– i960-DSP INTERFACE (DPRAM)” “RUNTIME FLASH TEST CRC CHECK FAIL” LPS-D Line Protection System GE Power Management...
Page 375 067 to 076 “LOGIN FAILED” “PASSWORD CHANGE” “ENABLE OUTPUTS” “DISABLE OUTPUTS” “MANUAL TRIP” “MANUAL CLOSE” “ATTEMPTED MANUAL TRIP FAILED” “ATTEMPTED MANUAL CLOSE FAILED” “MANUAL RECLOSER RESET” “SETTINGS CHANGE STARTED” “SETTINGS CHANGE DONE” “PROTECTION TURNED OFF” GE Power Management LPS-D Line Protection System...
Page 376 “RECEIVE CARRIER OFF” “KEY TRANSMITTER ON” “KEY TRANSMITTER OFF” “TRIP CIRCUIT #1 ENERGIZED” “TRIP CIRCUIT #2 ENERGIZED” “TRIP CIRCUIT #3 ENERGIZED” “TRIP CIRCUIT #4 ENERGIZED” “TRIP CIRCUIT #5 ENERGIZED” “TRIP CIRCUIT #6 ENERGIZED” LPS-D Line Protection System GE Power Management...
Page 377 “RECLOSE IN PROGRESS – END” “SINGLE POLE RECLOSE – SHOT1” “SINGLE POLE RECLOSE – SHOT2” “SINGLE POLE RECLOSE – SHOT3” “SINGLE POLE RECLOSE – SHOT4” “THREE POLE RECLOSE – SHOT1” “THREE POLE RECLOSE – SHOT2” GE Power Management LPS-D Line Protection System...
Page 378 “RECLOSER IN LOCKOUT – MAXIMUM SHOTS” “RECLOSER IN LOCKOUT – INVALID REC TYPE” “RECLOSE – OUTPUT ISSUED” “RECLOSER IN LOCKOUT – MANUAL LOCKOUT” EVENT SOURCE Port PL1 Port PL2 Port PL3 Protection Self-test Startup LPS-D Line Protection System GE Power Management...
Page 379 C.1.2 MODIFYING SETTINGS USING DNP LPS-D settings can be read using Function Code 1 to read the Analog Output Object Points. Settings can only be modified using Function Codes 5 or 6 to Direct Operate the Analog Output Object Points. Since there are eight groups of settings for most of the Settings categories, the Settings group of interest must be selected before reading or writing any of the Analog Output Points.
Page 380 C.2 DEVICE PROFILE C.2.1 DNP V3.00 DEVICE PROFILE DOCUMENT DNP 3.0 DEVICE PROFILE DOCUMENT Vendor Name: General Electric Power Management Inc. Device Name: LPS-D Line Protection System Highest DNP Level Supported: Device Function: Ë Master For Requests: Level 2 Slave...
Page 381 No Counters Reported No Counters Reported Ë Ë Configurable Configurable Ë 16 Bits Default Object: Ë Default Variation: 32 Bits Ë Ë Point-by-point list attached Other Value Point-by-point list attached Ë Sends Multi-Fragment Responses: GE Power Management LPS-D Line Protection System...
Page 382 APPENDIX C C.2.2 IMPLEMENTATION TABLE The implementation table gives a list of all objects recognized and returned by the LPS-D device. Additional information detailing a list of default variations returned for each object and lists of defined point numbers for each object is provided on the following pages.
Page 383 Warm Restart (Function Code 14) is supported although it is not required by the DNP L2 specification. Delay Measurement (Function Code 23) is supported although it should be noted that the relay would never set the “Time Synchronization Required” Internal Indication bit. GE Power Management LPS-D Line Protection System...
Page 384 Binary Input Change with Time Binary Output Status 16-Bit Binary Counter without Flag 16-Bit Frozen Counter without Flag 16-Bit Analog Input without Flag 16-Bit Analog Input Change without Time 16-Bit Analog Output Status LPS-D Line Protection System GE Power Management...
Page 385 DO – Phase C Trip Bus Class 1 DO – Single Pole Reclose Initiate Class 1 DO – Three Pole Reclose Initiate Class 1 DO – Reclose Cancel Class 1 DO – Key Transmitter 1/Carrier Start Class 1 GE Power Management LPS-D Line Protection System...
Page 386 Zone 4 BC Distance Function Class1 Zone 4 CA Distance Function Class1 Any Z1 Phase Distance Function Class 1 Any Z2 Phase Distance Function Class 1 Any Z3 Phase Distance Function Class 1 LPS-D Line Protection System GE Power Management...
Page 387 Class 1 Instantaneous Ground Over Current Class 1 Ground Time Over Current Pickup Class 1 Ground Time Over Current Trip Class 1 Out of Step Blocking Class 1 Out of Step Trip Class 1 GE Power Management LPS-D Line Protection System...
Page 388 Instantaneous Positive Sequence Over Voltage Class 1 Time Delayed Positive Sequence Over Voltage Class 1 Instantane ous C o m p ensated P o sitive S e quen ce O vervolta ge Class 1 Time Delayed Compensated Positive Sequence Overvoltage Class 1...
Page 389 CC Input #6 Closed Class 1 CC Input #7 Closed Class 1 CC Input #8 Closed Class 1 CC Input #9 Closed Class 1 CC Input #10 Closed Class 1 CC Input #11 Closed Class 1 GE Power Management LPS-D Line Protection System...
Page 390 Class 1 Output C2 Closed Class 1 Fault Target - Phase A Class 1 Fault Target - Phase B Class 1 Fault Target - Phase C Class 1 Fault Target - Ground Class 1 LPS-D Line Protection System GE Power Management...
Page 391 End Settings Change The LPS-D uses the following rules when parsing requests for control of Binary Output points using Object 12. 1. The Count field is checked first. If it is zero, the command will be accepted but no action will be taken. If this field is non-zero, the command will be executed once.
Page 392 However, note that counters 2 to 5 cannot be cleared using DNP protocol. The Breaker Health can be set via MMI or from other serial ports using GE_MODEM, MODBUS or ASCII protocols. LPS-D Line Protection System GE Power Management...
Page 393 Status – Misc. Status Word 2 Class 2 Fault 1 Date (Lower 16-Bits) Class 2 Fault 1 Date (Middle 16-Bits) Class 2 Fault 1 Date (Upper 16-Bits) Class 2 See Table Notes following the Table GE Power Management LPS-D Line Protection System...
Page 394 Fault 4 Date (Lower 16-Bits) Fault 4 Date (Middle 16-Bits) Fault 4 Date (Upper 16-Bits) Fault 4 Type Fault 4 Trip Type Fault 4 Distance Fault 5 Date (Lower 16-Bits) See Table Notes following the Table LPS-D Line Protection System GE Power Management...
Page 395 Fault 9 Distance Fault 10 Date (Lower 16-Bits) Fault 10 Date (Middle 16-Bits) Fault 10 Date (Upper 16-Bits) Fault 10 Type Fault 10 Trip Type Fault 10 Distance See Table Notes following the Table GE Power Management LPS-D Line Protection System...
Page 396 Fault 15 Trip Type Fault 15 Distance Fault 16 Date (Lower 16-Bits) Fault 16 Date (Middle 16-Bits) Fault 16 Date (Upper 16-Bits) Fault 16 Type Fault 16 Trip Type See Table Notes following the Table LPS-D Line Protection System GE Power Management...
Page 397 Fault 21 Type Fault 21 Trip Type Fault 21 Distance Fault 22 Date (Lower 16-Bits) Fault 22 Date (Middle 16-Bits) Fault 22 Date (Upper 16-Bits) Fault 22 Type See Table Notes following the Table GE Power Management LPS-D Line Protection System...
Page 398 Fault 27 Date (Upper 16-Bits) Fault 27 Type Fault 27 Trip Type Fault 27 Distance Fault 28 Date (Lower 16-Bits) Fault 28 Date (Middle 16-Bits) Fault 28 Date (Upper 16-Bits) See Table Notes following the Table LPS-D Line Protection System GE Power Management...
Page 399 Fault 33 Date (Middle 16-Bits) Fault 33 Date (Upper 16-Bits) Fault 33 Type Fault 33 Trip Type Fault 33 Distance Fault 34 Date (Lower 16-Bits) Fault 34 Date (Middle 16-Bits) See Table Notes following the Table GE Power Management LPS-D Line Protection System...
Page 400 TABLE NOTES: 1. The upper and lower 16-bit portions of all the 32-bit values reported by LPS-D are assigned to two sepa- rate points. To read a 32-bit value, it is necessary to read both the upper and lower 16-bit portions and con- catenate these two values to form a 32-bit value and interpret the result according to the format associated with the value.
Page 401 Instruction Book but for the following exceptions in these notes. Refer to Appendix B, for a description of the procedure to View/Change the LPS-D setpoints. Table C–7: POINT LIST: OBJECTS 40 & 42 (Sheet 1 of 9)
Page 402 Phase Instantaneous Overcurrent Directional Control 50 50 Pickup Setting 50 Pickup during Fuse Failure Ground Instantaneous Overcurrent Directional Control 50G 50G Pickup Settings 50G Pickup during Fuse Failure 50G Restraint Setting Ground Time Overcurrent LPS-D Line Protection System GE Power Management...
Page 403 Block for any Z2 Phase Fault Block for Configurable Trip Logic Select Line Pickup Bypass Line pickup time delay I1 Pickup Select Remote Open Detector Remote Open Detector Time Delay Select Line Overload protection GE Power Management LPS-D Line Protection System...
Page 404 Hold Time Fault Location Reset Time Coordinating Zone MOB Characteristic Angle Block during OS Block all Zone 1 Functions Block all Zone 2 Functions Block all Zone 3 Functions Block all Zone 4 Functions LPS-D Line Protection System GE Power Management...
Page 405 Inhibit Hold Select Inhibit Hold Time Inhibit Contact Input Sense Synch. Check Supervision Closing Angle Slip Frequency Bus or Line Voltage Voltage used by SYNCCHECK SYNCCHECK Hold Time 3P Reclose after 1P Trip Supervise 2 GE Power Management LPS-D Line Protection System...
Page 406 Non-Critical Alarm Input #6 Non-Critical Alarm Input #7 Non-Critical Alarm Input #8 T1 Contact T2 Contact T3 Contact T4 Contact T5 Contact T6 Contact A1 Contact A2 Contact A3 Contact A4 Contact A5 Contact A6 Contact LPS-D Line Protection System GE Power Management...
Page 407 Comm. Port #2 Parity Comm. Port #2 Stop Bits Comm. Port #3 Baud Rate Comm. Port #3 Parity Comm. Port #3 Stop Bits Comm. Port #1 Protocol Comm. Port #2 Protocol Comm. Port #3 Protocol GE Power Management LPS-D Line Protection System...
Page 408 Contact Converter #7 Configuration Contact Converter #8 Configuration Contact Converter #9 Configuration Contact Converter #10 Configuration Contact Converter #11 Configuration Contact Converter #12 Configuration …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… …Reserved… LPS-D Line Protection System GE Power Management...
Page 409 ‘1’, the corresponding option is ON. Note that there is an overlap of Point Numbers here. The setpoints from 307 are different in LPS-D and ALPS. The remaining setpoints are same. The ALPS has a total of 334 setpoints.
Page 410 F7 – Unsigned 8-bit integer, No decimal places. Encoded Trip Phase information. Trip phases is a single byte value with the least significant four bits indicating which of the four phases have a trip fault as shown below: LPS-D Line Protection System GE Power Management...
Page 411 A = '1' then Phase A has an RMS Fault B = '1' then Phase B has an RMS Fault C = '1' then Phase C has an RMS Fault G = '1' then Phase G has an RMS Fault GE Power Management LPS-D Line Protection System...
Page 412 C.3 POINT LISTS APPENDIX C LPS-D Line Protection System GE Power Management...
Page 413 19. NONCRIT_AL (1901-1908) (0506) (0507) 20. OUTPUTS (2001-2026) (0508) (0509 ) CC10 (0510) CC11 (0511) CC12 (0512) L D S E T M E N . V S D Figure D–1: SET KEYPAD MENU GE Power Management LPS-D Line Protection System...
Page 414 48. Undervoltage 22. KT1 49. Out of Step Trip 23. KT2 24. KT3 25. KT4 26. CA-A/B L D A C T M E N . V S D Figure D–2: ACT KEYPAD MENU LPS-D Line Protection System GE Power Management...
Page 415 VW, CTL, SET, MAS 8. Station/Line ID Station ID Line ID 9. LPS Model/Version Model Version 10. OSC Snapshot L D I N F M E N . V S D Figure D–3: INF KEYPAD MENU GE Power Management LPS-D Line Protection System...
Page 416 D.1 KEYPAD MENUS APPENDIX D LPS-D Line Protection System GE Power Management...
Page 417 3–1: DIMENSIONS ........................3-1 IGURE 3–2: FRONT AND REAR VIEW ....................3-2 IGURE 3–3: CIRCUIT BOARD LOCATIONS ....................3-3 IGURE 3–4: LPS-D SYSTEM BLOCK DIAGRAM ..................3-4 IGURE 3–5: INPUT BOARD DIAGRAM ....................3-7 IGURE 3–6: BLOCK DIAGRAM OF THE MAGNETICS MODULE ............3-8 IGURE 3–7: BLOCK DIAGRAM OF THE COMMUNICATIONS MODULE ..........3-9 IGURE 3–8: BLOCK DIAGRAM OF THE DIGITAL OUPUT / POWER SUPPLY........3-10...
Page 418 10–21: HELP MENU......................... 10-19 IGURE 10–22: ABOUT ALPS_TST DIALOG BOX ................10-19 IGURE 11–1: SUPPORTED ARCHITECTURE ..................11-3 IGURE 11–2: GE POWER MANAGEMENT WELCOME SCREEN............11-4 IGURE 11–3: LPS SOFTWARE INSTALLATION WELCOME SCREEN ..........11-5 IGURE 11–4: ALPS-LINK APPLICATION WINDOW................11-6 IGURE 11–5: ALPS-LINK TOOLBAR .....................
Page 419 : 1–1 ORDER CODES FOR THE LPS-D..................1-3 ABLE : 1–2 LPS-D MEASUREMENT FUNCTIONS ..................1-5 ABLE : 1–3 LPS-D DEFAULT CONTACT CONVERTER ASSIGNMENTS ..........1-10 ABLE : 1–4 LPS-D DEFAULT OUTPUT CONTACT ASSIGNMENTS.............1-11 ABLE : 2–1 NUM_TC SETTING (SINGLE PHASE MODELS) ..............2-4 ABLE : 2–2 NUM_TC SETTING (THREE PHASE MODELS) ..............2-4...
Page 420 Table: C–6 POINT LIST: OBJECTS 30 & 32 ..................C-15 Table: C–7 POINT LIST: OBJECTS 40 & 42 ..................C-23 Table: C–8 FAULT TYPE CODES ......................C-32 Table: C–9 RMS / HiZ FAULT TYPE CODES ..................C-33 LPS-D Line Protection System GE Power Management...
Page 421 Warranty shall not apply to any relay which has been subject to mis- use, negligence, accident, incorrect installation or use not in accor- dance with instructions nor any unit that has been altered outside a GE Power Management authorized factory outlet.
Page 422 F.1 WARRANTY INFORMATION APPENDIX F LPS-D Line Protection System GE Power Management...
Page 423 ACCEPTANCE/PERIODIC TESTS logout from device ..........11-12 AC system input test ..........4-12 LUI password report ..........11-20 configurable input test ..........4-11 menu bar ..............11-6 configurable output test ........... 4-11 modem setup ............11-9 GE Power Management LPS-D Line Protection System...
Page 424 .............. 11-18 Zone 4 functions ..........10-6, 10-9 on-line help ..............11-1 ANYZ2PHASE (Protection Setting 809) ....... 2-31 open breaker ............11-17 APPLICATIONS OF THE LPS-D ........1-4 open report ..........11-18, 11-20 ARROW KEYS .............8-3 oscillography report ..........11-19 ASCII port setup ..............11-8...
Page 425 DEFAULT SETTINGS ..........4-6 general settings ............2-6 DEFECTIVE BOARDS interface board ............3-9 locating ..............9-4 LPS-D modem ............8-30 DEFTIMDELY (Protection Setting 616) ......2-29 modem commands ........... 8-29 DELTAV (Protection Setting 1839) ...... 1-46, 2-47 modem connections/settings ........8-29 DELTAVBLK (Protection Setting 1840) ....
Page 426 ENABLE/DISABLE PASSWORDS ........8-18 ground directional block test ........ 5-4, 6-8 ENCRYPTION ground directional trip test ........5-4, 6-7 password encryption on the LPS-D ......8-25 ground instantaneous overcurrent 50G ....5-5, 6-9 END KEY (END) ............8-7 ground reach timer test connections ......5-8 ENTER KEY (ENT) ............
Page 427 IDENTIFICATION ............3-4 (511) CC11 ............... 2-9 INDEX NUMBERS (512) CC12 ............... 2-9 contact converter inputs ...........2-52 categories ..............2-1 programmable logic ..........2-54 communications ............2-6 recloser logic ............2-54 configuration ............. 2-3 scheme logic ............2-54 GE Power Management LPS-D Line Protection System...
Page 428 ..............8-12 JUMPER POSITION ............. 3-7 reqeust status information ........8-19 request fault information ........... 8-20 request LPS-D model/version ........8-26 request present values ..........8-21 request station/line ID ..........8-26 KEYPAD ..............8-1 reset data ..............8-18 arrow keys ..............
Page 429 NUM1P (Protection Setting 1803) ....... 2-43 keypad ............1-22 NUM3P (Protection Setting 1808) ....... 2-44 troubleshooting ............A-1 NUMFAULTS (General Setting 301) ......2-7 PC MODEM ..............8-29 NUMFLTS (General Setting 301) ........ 1-18 PERMISSIVE OVERREACH TRANSFER TRIP GE Power Management LPS-D Line Protection System...
Page 430 (1803) NUM1P ............2-43 line pickup ...............1-14 (1804) 1PDELAY1 ............ 2-43 remote open detector ..........1-15 (1805) 1PDELAY2 ............ 2-44 PROTECTION SCHEME LOGIC TIMERS ...... 7-2 (1806) 1PDELAY3 ............ 2-44 PROTECTION SCHEMES (1807) 1PDELAY4 ............ 2-44 LPS-D Line Protection System GE Power Management viii...
Page 431 (2018) A12 .............. 2-48 (801) ALL_BELOW ...........2-31 (2019) C1 ..............2-48 (802) OUTOFSTEP ...........2-31 (202) Z2PHREACH .......... 2-14, 2-16 (803) ALL_3_Z2PH ...........2-31 (2020) C2 ..............2-48 (804) 50G_BLOCK ...........2-31 (2021) KT1 .............. 2-48 (805) Z2TIMETRIP ...........2-31 GE Power Management LPS-D Line Protection System...
Page 432 SERIAL COMMUNICATIONS ........1-22 RECLOSER SERIES CAPACITORS breaker status ............1-43 Zone 4 ground distance functions ......2-22 cancel ..............1-44 Zone 4 phase distance functions ....... 2-20 close ................1-44 SERVICE SYSTEM STATUS FAILURES ......9-5 description ...............1-42 LPS-D Line Protection System GE Power Management...
Page 433 SURGE GROUND CONNECTIONS ....... 3-5 TRANSFORMERS SYNCCHECK (Protection Setting 1818) ....1-45, 2-45 capacitor voltage ..........2-10, 2-11 SYNCHOLD (Protection Setting 1823) ....1-46, 2-46 potential ..............2-10 SYNCMANCLS (Protection Setting 1831) ....2-46 GE Power Management LPS-D Line Protection System...
Page 434 ............1-18 distance functions logic diagram ....... 2-19 output flags ..............13-9 distance functions R-X diagram ........ 2-18 overview ..............13-1 fault example ............2-19 unbalanced current alarm .........2-26 ZONE REACH functional tests ............5-10 LPS-D Line Protection System GE Power Management...
Page 435 INDEX tests ............... 6-11 functional tests ............5-10 ZONE TIMER GE Power Management LPS-D Line Protection System xiii...
Page 436 INDEX LPS-D Line Protection System GE Power Management...

GE LPS-D Instruction Manual

Product Description

Getting Started

Introduction

Custom Programmability

Auxiliary Protection Functions

Other Features

Communications

Self-Test Features

Protection Scheme Descriptions

Single Phase Tripping

Recloser (Optional)

Elementary Diagrams

2.2 General Settings

Calculation of

Introduction

Protection Settings

3 Hardware

Quick Links

Related Manuals for GE LPS-D

Summary of Contents for GE LPS-D

Table of Contents