ABB REL-300 Instruction Leaflet
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ABB REL-300 Instruction Leaflet

ABB REL-300 Instruction Leaflet

Numerical distance protection (mdar) relaying system
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Effective: May, 1992
Supersedes IL 40-385.1A
dated January, 1992
ABB Network Partner
ABB Automation, Inc.
Substation Automation & Protection Division
Coral Springs, FL
Allentown, PA
Numerical Distance Protection
REL-300 (MDAR) Relaying
System
Version 2.02
Instruction Leaflet
40-385.1B

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  • Page 1 ABB Automation, Inc. Instruction Leaflet Substation Automation & Protection Division 40-385.1B Coral Springs, FL Allentown, PA Effective: May, 1992 Numerical Distance Protection Supersedes IL 40-385.1A dated January, 1992 REL-300 (MDAR) Relaying System Version 2.02 ABB Network Partner...
  • Page 2 MDAR REVISION NOTICE DATE REV LEVEL PAGES REMOVED PAGES INSERTED 11/91 v, vi, 1-2, 1-5, 3-2, 3-4, 3-5, 3-7, 3-9, SAME 3-10, 3-11, 3-14, 3-15, 4-3, 4-4, 4-11, 4-17, 5-1, 5-3, 5-5, 5-6, A-1, A-6, G-8, H-1, H-2, H-5, H-9 1/01/92 3-1, H-2, H-7 SAME...

  • Page 3: Section 2. Specifications

    Electrostatic discharge precautions should be observed when handling modules or individual components. ABB does not assume liability arising out of the application or use of any product or circuit described herein. ABB reserves the right to make changes to any products herein to improve reliability, function or design. Spec- ifications and information herein are subject to change without notice.
  • Page 4 I.L. 40-385.1B PREFACE Scope This manual describes the functions and features of the MDAR Relay System. It is intended primarily for use by engineers and technicians involved in the installation, testing, operation and maintenance of the MDAR system. Equipment Identification The MDAR equipment is identified by the Catalog Number on the MDAR chassis nameplate.
  • Page 5 I.L. 40-385.1B Features Included in Version V2.00 The following features are standard for the Non-Pilot MDAR V2.00: • 3-Zone distance phase and ground relay, with re- enabled with the selection of: versible Zone 3 phase and ground; 4 impedance – 1PR for φG fault units per zone: 3 phase-to-ground;...
  • Page 6 I.L. 40-385.1B Features Included in Version V2.00 The following features are standard for the Pilot MDAR V2.00: • All features listed as standard for the Non-Pilot plement to Overreach Pilot, with adjustable timer MDAR V2.00 are included in the Pilot system (from 0 to 15) in 1 cycle steps or Block •...
  • Page 7 I.L. 40-385.1B Significant Changes to V2.00 (from V1.65) (for customers who are familiar with Version 1.60 and beyond) 1. 16 fault records, triggered by TRIP or Z2PU or Z2Z3, depending on the FDAT settings (see Section 3.4.16, 4.8 and 5.2.2). 2.
  • Page 8 All terms mentioned in this book that are known to be trademarks or service marks are listed below. In addition, terms suspected of being trademrks or service marks have been appropriately capitalized. ABB Power T&D Company Inc. cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark.

  • Page 9: Table Of Contents

    I.L. 40-385.1B TABLE OF CONTENTS PAGE NO. SECTION 1. PRODUCT DESCRIPTION SECTION 2. SPECIFICATIONS SECTION 3. APPLICATIONS AND ORDERING INFORMATION SECTION 4. INSTALLATION, OPERATION AND MAINTENANCE SECTION 5. SETTING CALCULATIONS SECTION 6. ACCEPTANCE TESTS SECTION 7. MDAR V2.02 INDEX TO NOMENCLATURE SYSTEMS DIAGRAMS SD-1 (5/92)
  • Page 10 I.L. 40-385.1B FIGURES FIGURE NO. PAGE 1-1. MDAR Relay Assembly showing FT-14 Switch Covers ............1-6 Layout of MDAR Modules within Inner and Outer Chassis ............1-7 INCOM/PONI Communication Interface Device (photo) ............1-8 Simplified Block Diagram of MDAR Relay................. 1-9 MDAR Relay Program Functions ....................
  • Page 11 I.L. 40-385.1B FIGURE NO. PAGE 3-25. Blocking System Logic......................3-29 3-26. PLTG supplemented by FDOG....................3-29 3-27. Power Reversed on POTT/Unblocking Schemes ..............3-30 3-28. Unequal Pole Closing on Fault ....................3-30 3-29. Additional Logic for POTT/Unblocking Schemes on 3-Terminal Line Application........................
  • Page 12 I.L. 40-385.1B TABLES TABLE NO. PAGE 3-1. MDAR Catalog Numbers......................3-33 MDAR Accessories ......................... 3-34 3-3. Single-Pole-Trip Operating Modes..................3-34 4-1. Setting Display ....................4-10, 4-11, & 4-12 Metering Display ........................4-13 4-3. Target (Fault Data) Display ..................4-14 & 4-15 Recommended Jumper Positions (V2.XX)................
  • Page 13 MDAR RELAY SYSTEM (V2.02) ABB Power T&D Company Inc. Relay Divisions Coral Springs, FL 33065 305 752-6700 I.L. 40-385.1B 800 523-2620 (5/92) Printed in U.S.A.

  • Page 14: A-1, A-6, G

    MDAR REVISION NOTICE DATE REV LEVEL PAGES REMOVED PAGES INSERTED 11/91 v, vi, 1-2, 1-5, 3-2, 3-4, 3-5, 3-7, 3-9, SAME 3-10, 3-11, 3-14, 3-15, 4-3, 4-4, 4-11, 4-17, 5-1, 5-3, 5-5, 5-6, A-1, A-6, G-8, H-1, H-2, H-5, H-9 1/01/92 3-1, H-2, H-7 SAME...
  • Page 15 Electrostatic discharge precautions should be observed when handling modules or individual components. ABB does not assume liability arising out of the application or use of any product or circuit described herein. ABB reserves the right to make changes to any products herein to improve reliability, function or design. Spec- ifications and information herein are subject to change without notice.
  • Page 16 I.L. 40-385.1B PREFACE Scope This manual describes the functions and features of the MDAR Relay System. It is intended primarily for use by engineers and technicians involved in the installation, testing, operation and maintenance of the MDAR system. Equipment Identification The MDAR equipment is identified by the Catalog Number on the MDAR chassis nameplate.
  • Page 17 I.L. 40-385.1B Features Included in Version V2.00 The following features are standard for the Non-Pilot MDAR V2.00: • 3-Zone distance phase and ground relay, with re- enabled with the selection of: versible Zone 3 phase and ground; 4 impedance – 1PR for φG fault units per zone: 3 phase-to-ground;...
  • Page 18 I.L. 40-385.1B Features Included in Version V2.00 The following features are standard for the Pilot MDAR V2.00: • All features listed as standard for the Non-Pilot plement to Overreach Pilot, with adjustable timer MDAR V2.00 are included in the Pilot system (from 0 to 15) in 1 cycle steps or Block •...
  • Page 19 I.L. 40-385.1B Significant Changes to V2.00 (from V1.65) (for customers who are familiar with Version 1.60 and beyond) 1. 16 fault records, triggered by TRIP or Z2PU or Z2Z3, depending on the FDAT settings (see Section 3.4.16, 4.8 and 5.2.2). 2.
  • Page 20 All terms mentioned in this book that are known to be trademarks or service marks are listed below. In addition, terms suspected of being trademrks or service marks have been appropriately capitalized. ABB Power T&D Company Inc. cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark.

  • Page 21: Section 3. Applications And Ordering Information

    I.L. 40-385.1B TABLE OF CONTENTS PAGE NO. SECTION 1. PRODUCT DESCRIPTION SECTION 2. SPECIFICATIONS SECTION 3. APPLICATIONS AND ORDERING INFORMATION SECTION 4. INSTALLATION, OPERATION AND MAINTENANCE SECTION 5. SETTING CALCULATIONS SECTION 6. ACCEPTANCE TESTS SECTION 7. MDAR V2.02 INDEX TO NOMENCLATURE SYSTEMS DIAGRAMS SD-1 (5/92)

  • Page 22: Co-2 Curve Characteristics

    I.L. 40-385.1B FIGURES FIGURE NO. PAGE 1-1. MDAR Relay Assembly showing FT-14 Switch Covers ............1-6 Layout of MDAR Modules within Inner and Outer Chassis ............1-7 INCOM/PONI Communication Interface Device (photo) ............1-8 Simplified Block Diagram of MDAR Relay................. 1-9 MDAR Relay Program Functions ....................

  • Page 23: Mdar Backplate

    I.L. 40-385.1B FIGURE NO. PAGE 3-25. Blocking System Logic......................3-29 3-26. PLTG supplemented by FDOG....................3-29 3-27. Power Reversed on POTT/Unblocking Schemes ..............3-30 3-28. Unequal Pole Closing on Fault ....................3-30 3-29. Additional Logic for POTT/Unblocking Schemes on 3-Terminal Line Application........................

  • Page 24: Setting Display .................................................................................................. 4-10, 4-11, &

    I.L. 40-385.1B TABLES TABLE NO. PAGE 3-1. MDAR Catalog Numbers......................3-33 MDAR Accessories ......................... 3-34 3-3. Single-Pole-Trip Operating Modes..................3-34 4-1. Setting Display ....................4-10, 4-11, & 4-12 Metering Display ........................4-13 4-3. Target (Fault Data) Display ..................4-14 & 4-15 Recommended Jumper Positions (V2.XX)................

  • Page 25: Section 1. Product Description

    Filter module • Microprocessor module MDAR CONSTRUCTION • Display module The standard nomenclature for ABB relay protection • Power Supply module equipment is as follows: Circuit descriptions for each module, may be found • Cabinet - contains fixed-racks, swing-racks, or...
  • Page 26 I.L. 40-385.1B 1.3.2 Interconnect Module • PROM - Programmable read-only memory. • RAM - Volatile read-write memory, for working The Interconnect module (see Appendix B) becomes storage. the floor of the MDAR inner chassis; it provides elec- • NOVRAM (EEPROM) - Non-volatile memory for trical connections from and to all other modules: storing settings and fault-data targets when the from the Backplane (at the rear), to the Filter and...
  • Page 27 I.L. 40-385.1B • Test (can verify self-check and perform functional FAULT DETECTION SOFTWARE test) MDAR fault-detection software operates in two The display will be blocked momentarily, every modes: minute, for the purpose of self-check; this will not af- • Background mode fect the relay protection function.
  • Page 28 I.L. 40-385.1B The 60 Hz components are extracted from the sam- High-resistance ground-fault detection is available in ples (from each cycle) and converted to voltage and MDAR. Sensitive directional pilot tripping is achieved current phasor values using a Fourier notch-filter al- through an FDOG timer (FDGT), which is selectable gorithm.
  • Page 29 I.L. 40-385.1B The failure modes, represented by their correspond- UNIQUE REMOTE COMMUNICATION (WRELCOM) PROGRAM ing bits (zero thru 5), are shown in the value field if Two optional types of remote interface can be or- the “Test” mode is selected by the “Display Select” dered.

  • Page 31: Layout Of Mdar Modules Within Inner And Outer Chassis

    I.L. 40-385.1B PONI BACKPLANE BD. TRANSFORMERS OPTION BD. INTERCONNECT BD. PROCESSOR BD. DISPLAY BD. Figure 1-2. Layout of MDAR Modules Within Inner and Outer Chassis (5/92)

  • Page 34: Mdar Relay Program Functions

    I.L. 40-385.1B -Initialization Mode = POWER -Self-Checks Background START Sample V and I dc Offset Correction Compute V and I Phasors Using Fourier Algorithm Mode? Fault Relaying Calculations: Zone 1 and Pilot Zone Background Pilot Logic and Channel Control Disturbance Ι? Mode = ∆...

  • Page 35: Specifications

    I.L. 40-385.1B Section 2. SPECIFICATIONS TECHNICAL Operating Speed (from fault detection 12-14 ms (minimum) to trip contact close 22 ms (typical) -60 Hz) ac Voltage (VLN) at 60 Hz Vrms (VLN) at 50 Hz 63.5 Vrms ac Current (In) 1 or 5 A Rated Frequency 50 or 60 Hz Maximum Permissible ac Voltage...
  • Page 36 I.L. 40-385.1B EXTERNAL CONNECTIONS Four current change fault detectors, and three volt- age change fault detectors. Terminal blocks located on the rear of the chassis suitable for #14 square tongue lugs One instantaneous overcurrent unit low set (IOS) Wiring to FT-14 switches suitable for #12 wire lugs One reverse set instantaneous directional overcur- rent ground unit (Pilot Carrier Start, Weakfeed, Tran- CONTACT DATA...
  • Page 37 I.L. 40-385.1B Current Change Fault Detectors (∆I ,∆I ,∆I , and 400-4000 ms in 16 ms steps ∆I ), no setting required. • OSB Inner Blinder (RT) , ∆V and ∆V Voltage change fault detectors (∆V 1.0-15.0 ohms in 0.1 ohm steps no setting required NOTE: The RT is a standard setting;...

  • Page 46: Applications And Ordering Information

    I.L. 40-385.1B Section 3. APPLICATIONS AND ORDERING INFORMATION 3. 1. NON-PILOT SYSTEM • Phase-to-Phase fault detection • Phase-to-Phase-to-Ground fault detection The MDAR non-pilot relay system detects faults in three zones of distance, phase and ground. Zones 1 3.2.1 Single-Phase-to-Ground and 2 are forward set; Zone 3 can be set to forward Single-phase-to-ground fault detection (see Figure or reverse.
  • Page 47 I.L. 40-385.1B = Zone reach setting (PLTP, Z1P AND-2 turns on the Zone 1 phase trip indicator (Z1P). The breaker trip and Zone 1 phase trip indica- Z2P, and Z3P) in secondary ohms for multi-phase faults. tors are memorized. They can be reset by external RESET voltage or through remote communication.
  • Page 48 I.L. 40-385.1B A similar operation for φφG faults (shown in Zone 2), described in Zone 1 trip except for Zone 2 phase time delay trip indicator (Z2P). is applied to Zone 3, through OR-170, T3P and AND- 20 gates. Similar operation occurs for Zone 2 single-phase-to- ground faults.

  • Page 49: Inverse Time Overcurrent Ground Backup Logic

    I.L. 40-385.1B reclosed on an end-zone permanent fault, the nor- 3.4.3 Loss of Potential Supervision (LOP) mal Z2T will take place. The ac voltage monitoring circuit is called loss-of-po- For a remote external fault, either Z1P or Z1G will tential circuit. In order to prevent undesirable tripping see the fault since they are set to overreach.

  • Page 50: Overcurrent Supervision

    I.L. 40-385.1B ed within 150 ms after LOP has been set up. This 3.4.6 Instantaneous Forward Directional Over- current Trip/Highset Trip Logic logic has no effect on the conditions: The instantaneous overcurrent units (IAH, IBH, ICH • if ∆I signal occurs ahead of LOP, or and IOH) are normally set forward directional and •...
  • Page 51 I.L. 40-385.1B The application of “close-into-fault” and “stub-bus voltage disturbances. During background mode, the protection” are selected by setting the value field of four input currents (I and I ) and the three CIF to CIFT/STUB/BOTH/NO. voltages (V ) are sampled at a rate of 8 per cycle to test a line fault.

  • Page 52: Reclosing Initiation Logic

    I.L. 40-385.1B 3.4.12 Instantaneous Forward Directional Over- TTYP setting 1PR: 3PRN will provide output “1” current Unit (FDOG) on single-phase-to-ground fault only and will operate RI2. The instantaneous forward directional overcurrent ground function (FDOG) is a directional unit depend- TTYP setting 2PR: 3PRN will provide output “1” on ing on the setting of DIRU as described in the pre- single-phase-to-ground fault or 2-phase faults, and will operate...
  • Page 53 I.L. 40-385.1B φ φ FAULT LED flashes. It flashes once per second if Phase current in A or only the LAST FAULT contains targets. It will flash Setting of the unit (R or R ). RT for twice per second if two or more fault records are con- inner blinder (21BI), RU for outer tained.
  • Page 54 • POTT or Simplified Unblocking Weakfeed..(pi- time period between loss-of-channel and pilot trip lot) lockout. ABB type TCF-10B receiver provides this The following settings are recommended for POTT logic; it provides a 150 ms trip window, then auto- and BLOCKING systems: matic lockout after loss-of-channel.
  • Page 55 I.L. 40-385.1B loss-of-channel and the breaker closes onto the OR-18, and AND-35 if pilot enable is set, and fault. functional display “STYP” is set at POTT po- sition. Output signal from AND-35 will Indication for low signal and loss-of-channel condi- operate the reed relay (CARSND), key the tion will not be provided for this simplified unblocking local transmitter, shift the transmitting fre-...

  • Page 56: Line Application

    I.L. 40-385.1B or unblocking by the transmitter during the fault. The eration will occur via the logic AND-89, AND-84 and memorized RCVR indicator will be displayed after OR-84A (as shown in Figure 3-19). the breaker trips and a carrier trip signal is received 3.5.2 Permissive Underreach Transfer Trip from the receiver.
  • Page 57 I.L. 40-385.1B c. Programmable Reclosing Initiation (Figure 3-19) and if the local transient block circuit (TBM) does not setup. Then AND-48 output will sat- Same as for POTT scheme. isfy AND-52 and will produce pilot trip via d. Carrier Receiving Logic (Figure 3-23) OR-2 (Figure 3-24).
  • Page 58 I.L. 40-385.1B For a reverse fault, both the local carrier start c. Carrier Receiving Logic (Figure 3-25) relay(s) and the remote pilot relay(s) see the Carrier signal from the receiver output will be directly fault and operate. The local carrier start applied to AND-47 to disable the pilot tripping func- relay(s) start the carrier and send a blocking tion.

  • Page 59: Weakfeed Application

    I.L. 40-385.1B pole-A, pole B and C close at a later time (refer to (ZSEQ/NSEQ/DUAL). Refer to Section 3.4.11 for Figure 3-28). If, due to breaker contact asymmetry, the setting of DIRU. FDOG is supervised by the Iom the first breaker contact to close is the one of the setting.
  • Page 60 I.L. 40-385.1B 3.17 UNEQUAL-POLE CLOSING LOAD PICKUP 3.22 WEAKFEED TRIP APPLICATION LOGIC (See Section 3.4.8) a. Block/Weakfeed 3.18 SELECTABLE LOSS-OF-LOAD The logic for a weakfeed terminal is not required for ACCELERATED TRIP LOGIC (LLT) (See the BLK system because the BLK system requires Section 3.4.9) no permissive trip signal from the remote end, even though the remote end is a weakfeed terminal.
  • Page 61 I.L. 40-385.1B receives a trip or unblocking signal, the out- MDAR solves this problem by the RB on BF squelch put from the receiver operates the echo key logic in the RI/RB software. This logic is as shown in logic AND-65, providing both pilot relay (from Figure 3-19, which includes AND-61A and a 132/0 OR-40) and reverse-looking relay (from OR- ms timer.

  • Page 78: Mdar Catalog Numbers

    I.L. 40-385.1B TABLE 3-1. MDAR CATALOG NUMBERS Typical Catalog Number * MDAR DIGITAL RELAY SYSTEM (50/60 HZ) TRIP Three Pole Trip Single Pole Trip Three Pole Trip w/Programmable Contacts** CURRENT INPUT BATTERY SUPPLY VOLTAGE 48/60 Vdc 110/125 Vdc 220/250 Vdc POWER SWING BLOCK Power Swing Block No Power Swing Block...

  • Page 79: Mdar Accessories

    I.L. 40-385.1B TABLE 3-2. MDAR ACCESSORIES 1. FT-14 TEST PLUG • Right-Side 1355D32G01 • Left-Side 1355D32G02 2. TEST FIXTURE AND EXTENDER BOARD • Inner Chassis Test Fixture (5 Amp) 2409F39G01 • Inner Chassis Test Fixture (1 Amp) 2409F39G02 • External Board Assembly 1609C55G01 TABLE 3-3.

  • Page 80: Installation, Operation And Maintenance

    I.L. 40-385.1B Section 4. INSTALLATION, OPERATION AND MAINTENANCE SEPARATING THE INNER AND Plugs are inserted, the terminals FT-14/13 (BP) and OUTERCHASSIS FT-14/14(BN) must remain closed. It is recommended that the user of this equipment EXTERNAL WIRING become acquainted with the information in these in- All external electrical connections pass through the structions before energizing the MDAR and associ- Backplate (Figure 4-1) on the outer chassis.
  • Page 81 I.L. 40-385.1B (front view). All the trip contact outputs are connect- One of these indicators is always illuminated, indi- ed to the right-side FT-14 switch (front view). Switch- cating the mode selected. The display will be es 13 and 14 on FT-14 may be used for disabling the blocked momentarily every minute for the purpose of Breaker Failure Initiation/Reclosing Initiation (BFI/ self-check;...
  • Page 82 I.L. 40-385.1B Each measurement is taken by inserting one dc es once to indicate that the value has been success- probe (voltmeter) into Common, and the other dc fully entered into the system. probe at the voltage being measured. For reasons of security, a plastic screw is used to cover the ENTER pushbutton.
  • Page 83 I.L. 40-385.1B memory. The latest trip information will be stored in • RI1 • GS the “Last Fault” memory, and its LED flashes twice • RI2 • SEND per second. If FDAT is set at Z2TR, two events • RB •...
  • Page 84 I.L. 40-385.1B • JMP5 set to “IN” for output con- communication interface devices are necessary. tact tests. The activation of fault data storage is controlled by setting FDAT. (Refer to Section 3.4.19 for detailed • JMP6 normally set to “OUT” po- information.) The 16 intermediate fault targets are a sition;...
  • Page 85 I.L. 40-385.1B 4.11 ACCEPTANCE TESTING disconnect external wiring when the inner chassis is removed. The customer should perform the MDAR Accep- tance Tests (see Appendix I) on receipt of shipment. b. Remove the (optional) FT-14 switches, mounted by two screws on the side walls. 4.12 NORMAL PRECAUTIONS c.

  • Page 89: Setting Display

    I.L. 40-385.1B TABLE 4-1. SETTING DISPLAY (SHEET 1 OF 3) Displayed at Function Field Value Field Information/Settings (using 5 A ct and 60 Hz) (SEE NOTE ON SHEET 3) Software version VERS numerical (0,1) Oscillographic data initiation OSC * TRIP/Z2TR/Z2Z3/∆V∆I Fault data initiation FDAT TRIP/Z2TR/Z2Z3...
  • Page 90 I.L. 40-385.1B TABLE 4-1. SETTING DISPLAY (SHEET 2 OF 3) Displayed at Function Field Value Field Information/Settings (using 5 A ct and 60 Hz) (SEE NOTE ON SHEET 3) OUT, 0.01-50.00 in 0.01 Ω steps Zone 1 phase unit OUT, 0.01-50.00 in 0.01 Ω steps Zone 1 ground unit Zone 1 delay trip timer YES/NO, 2 cycles if YES...
  • Page 91 I.L. 40-385.1B TABLE 4-1. SETTING DISPLAY (SHEET 3 OF 3) Displayed at Function Field Value Field Information/Settings (using 5 A ct and 60 Hz) (SEE NOTE) CIF trip/stub bus protection CIFT/STUB/BOTH/NO LLT trip YES/FDOG/NO LOP block LOPB YES/NO LOI Block LOIB YES/NO Alarm 2 (Trip) Seal-In...

  • Page 92: Metering Display

    I.L. 40-385.1B TABLE 4-2. METERING DISPLAY Displayed at Information Function Field Value Field Phase A current (mag.) numerical, A (X.X) Phase A current (ang.) deg. (X.X) Phase A voltage (mag.) numerical, v (XX.X) Phase A voltage (ang.) deg. (XX) Phase B current (mag.) (0.0) Phase B current (ang.) Phase B voltage (mag.)

  • Page 93: Target (Fault Data) Display

    I.L. 40-385.1B TABLE 4-3. TARGET (FAULT DATA) DISPLAY (SHEET 1 OF 2) Displayed at Function Value Information Field Field Month / Day DATE XX.XX Year YEAR XXXX Hour / Minute TIME XX.XX Second XX.XX Fault type FTYP AG/BG/CG/AB/BC/CA/ ABG/BCG/CAG/ABC BKR.#1 φA tripped BK1A YES/NO BKR.#1 φB tripped...
  • Page 94 I.L. 40-385.1B TABLE 4-3. TARGET (FAULT DATA) DISPLAY (SHEET 2 OF 2) Displayed at Function Value Information Field Field Fault type FTYP AG/BG/CB/AB/BC/CA ABG/BCG/CAG/ABC Fault voltage VA (mag.) numerical, V (ang.) numerical deg. Fault voltage VB(mag.) numerical V (ang.) numerical deg. Fault voltage VC(mag.) numerical V (ang.)

  • Page 95: Recommended Jumper Positions (V2.Xx)

    I.L. 40-385.1B TABLE 4-4. RECOMMENDED JUMPER POSITIONS (V2.XX) INTERCONNECT Module JMP 1 to 6, & 13 For the rated input dc voltage JMP 7 & 9 For Stub Bus Protection JMP 8 & 10 For the trip alarm (AL2-2) JMP 11 & 12 For MDAR with FT switches only MICROPROCESSOR Module JUMPER...

  • Page 96: Section 5. Setting Calculations

    I.L. 40-385.1B Section 5. SETTING CALCULATIONS CALCULATION OF MDAR SETTINGS 5.1.3 Zone 2 Distance Unit Settings The following MDAR setting calculations correspond Generally, Zone-2 reach is set for 100% of the pro- to the setting categories in the Installation Section tected line plus 50% of the shortest adjacent line.
  • Page 97 I.L. 40-385.1B c. The medium set ground overcurrent unit is used then R = 400 x FT / I max. min. for supervising the Zone 1, Zone 2 and Zone 3 = 400x1.73(Z )/10000 ground distance units (Z1G, Z2G and Z3G), the forward directional overcurrent ground unit (FDOG).
  • Page 98 I.L. 40-385.1B celerating power and system WR 2 , it is impossible to d.GDIR is the setting for directional control selection. The GB unit will become a directional torque control generalize. However, based on an inertia constant overcurrent ground unit if GDIR is set at YES. The (H) equal to 3, and the severe assumption of full load following equation can be used to calculate the trip rejection, a machine will experience (assuming a...
  • Page 99 I.L. 40-385.1B T3P = 0.8 and T3G = 0.8 Z2TR --- start data taken if Zone 2 units pick up, or any trip action occurs. NOTE: T3P and T3G are separate timers; they Z2Z3 --- start data taken if Zone 2 or Zone 3 units can be set at a different time settings.
  • Page 100 I.L. 40-385.1B steps. In this example, the line reactance is 0.8 transfer trip or unblocking), PUTT (permissive ohms/mile; set XPUD = 0.8. underreach transfer trip) and BLK (blocking) in the pilot MDAR. It should be set to the desired selection. The fault distance calculation is as follows: 5.2.16 For the pilot MDAR only, the WFEN (weak- ×...
  • Page 101 I.L. 40-385.1B 5.2.26 Set the ZR value based on the absolute val- 5.2.33 Set AL2S to YES, if trip alarm seal-in is re- ue of the ratio of the line impedances (Z quired. The Reset pushbutton can be used to reset the sealed AL2.

  • Page 102: Current Transformer Settings

    I.L. 40-385.1B TABLE 5-1 . CURRENT TRANSFORMER SETTINGS MDAR UNITS At CTYP = 5 At CTYP = 1 Z1P/Z1G/Z2P/Z2G 0.01-50.00, 0.05-250, in 0.01 Ω steps in 0.05 Ω steps Z3P/Z3G/PLTP/PLTG ITP/ITG 2.0-150.00, 0.4-30.0. in 0.5 A steps in 0.1 A steps IL/IOS/IOM 0.5-10.0, 0.1-2.0,...

  • Page 103: Acceptance Tests

    I.L. 40-385.1B Section 6. ACCEPTANCE TESTS (V2.02) The following kinds and quantities of test equipment Step 4. Using a dc voltmeter, measure the dc volt- are used for the MDAR Acceptance Tests: ages on the front panel display with respect to common (±...
  • Page 104 I.L. 40-385.1B , ∆I , or ∆I • Phase current (∆I ) >1.0A peak and to Yes. Repeat the test; the trip time should extend 12.5% change for an additional 2 cycles. Reset T1 to zero. • Ground current (∆I )>0.5 A peak ≠...
  • Page 105 I.L. 40-385.1B ) required to trip = 3.33A ± 5%, NOTE: Current (I 1.1.4 Zone 1 Test/Three-Phase with an angle of -75 degrees. Step 12. Using Figure 6-2, connect current and volt- age circuits and apply: The following table is for BC and CA fault tests when the T-connection is used: •...
  • Page 106 I.L. 40-385.1B The reclose contacts (RI2-1 and RI2-2) should be • Z2P = “OUT” (Zone 2 phase value) closed for setting of TTYP = 2PR or 3PR, and should • Z2G = “OUT” (Zone 2 ground distance) be open for TTYP = OFF or 1PR. = 4.5 Ω...
  • Page 107 I.L. 40-385.1B The single-phase trip currents for Zone 1, Zone 2, voltages are necessary as directional reference. The ITG and ITP will automat- and Zone 3 at the maximum torque angle ically become non-directional over- ∠ are 6.0A, 4.5A and 3.0A, respectively. 75°...
  • Page 108 I.L. 40-385.1B 4122 by a value between +8° and +188°. The relay should ----- - ----------------------------- - 4.1/0.5 -1.27 MSEC trip at the following angles: • +3° 1073 msec MSEC • -82° (± 85°) 1.073 sec ± 5 % to trip •...
  • Page 109 I.L. 40-385.1B JMP7 and 9 should be IN; JMP13 should be at NOTE: The “RELAY IN SERVICE” LED will not be turned “OFF” for the condition of set- the rated voltage position. Select CIF = STUB. ting LOPB = Yes, but Zone 1, 2, 3 and pi- Disconnect the voltage from 52b and connect it lot distance units will be blocked and all to terminals TB5/13(+) and TB5/14(-).
  • Page 110 I.L. 40-385.1B Step 34. Increase I to 1.5A. Depress the DIS- sequent segment for optional Single Pole Trip and Out-of-Step Block tests.) PLAY SELECT pushbutton and change to the metering (VOLTS/AMPS/ANGLE) mode. Press PILOT PERFORMANCE TESTS FUNCTION RAISE pushbutton until the LOI dis- To prepare the MDAR relay assembly for Pilot Ac- play is shown.
  • Page 111 I.L. 40-385.1B (± 5%); the target should show “PLTG AG”, and Step 5. Apply AG reversed fault (i.e., I leads V the CARRY SEND contact should be “closed” for by 105 degrees). The CARRY SEND contacts POTT setting. Do not test carry STOP for POTT should be “closed”...
  • Page 112 I.L. 40-385.1B quent segments for optional Single Pole Trip load restriction. The RU setting (21BO) is for the out- test.) er blinder. If the setting of OSB is “YES”, and the power swing stays inside the two parallel lines (RT SINGLE POLE TRIP (OPTION) and RU) for more than 50 ms, the three-phase fault ACCEPTANCE TESTS...
  • Page 113 I.L. 40-385.1B seconds. This means the input power swing is in- display modes. Release the pushbutton so that side the outer blinder (2IBO). Repeat this test for the SETTINGS mode LED is “ON”. Press the = 4A and 4.75A. The display should show OSB RAISE button to scroll thru the FUNCTION FIELD to check the settings per Table 6-1 (non- = YES because the power swing is within two...
  • Page 114 I.L. 40-385.1B Apply an AG fault as shown in Step 5, with I 2.1.5 Output Contact Test 2 ∠−75°. The relay should not trip. Apply a rated Step 10. The purpose of this test is to check the dc voltage to terminals TB5/3 (+) and TB5/4 (-). hardware connections and relay contacts.
  • Page 115 I.L. 40-385.1B a. Block Systems Only Single-Pole Trip Test Change the STYP setting to BLK. Apply a for- 2.3.1 Output Contact Test (Phases B and C) ward fault, as shown in the Non-Pilot Mainte- nance Test, step 5. The relay should not trip. Step 1.

  • Page 116: Test Connection For Single-Phase-To-Ground Faults (Sheet 1 Of 4)

    Figure 6-1. Test Connection for Single-Phase-to-Ground Faults (Sheet 1 of 4)
  • Page 117 Sub 1 1502B51 (Sheet 2 of 4) Figure 6-2. Test Connection for Three-Phase Faults...

  • Page 118: Test Connection For Phase-To-Phase Faults (Sheet 3 Of 4)

    Sub 1 1502B51 Figure 6-3.Test Connection for Phase-to-Phase Faults (Sheet 3 of 4)
  • Page 119 Sub 1 1502B51 (Sheet 4 of 4) Figure 6-4. Test Connection for Dual Polarizing Ground Directional Unit...

  • Page 120: Mdar With Out-Of-Step Block Option

    I.L. 40-385.1B Z2 = 20 ∠−75˚ Z = 17.3 ∠ -45˚ (I = 2.35 Amps) Z1 = 10 ∠−75˚ ZU = 16 ∠-45˚ (I = 2.5 Amps) Z = 8.7∠-45˚ (I = 4.7 Amps) ZT = 8.7∠-45˚ (I = 5.0 Amps) 45˚...

  • Page 121: Mdar Settings (Non-Pilot System)

    I.L. 40-385.1B TABLE 6-1. MDAR SETTINGS (NON-PILOT SYSTEM) VERS Z3FR TRIP PANG FDAT TRIP GANG 1000 2000 FREQ CTYP XPUD DTYP TTYP NO ** 5.000 * OSOT 4000 ** Z1RI Z2RI 15.00 Z3RI 15.00 ** STYP 3ZNP DIRU ZSEQ GBCV GDIR 1.00 AL2S...

  • Page 122: Present Mdar Settings (Pilot System)

    I.L. 40-385.1B TABLE 6-3. PRESENT MDAR SETTINGS (PILOT SYSTEM) VERS 2.00 TRIP FDAT TRIP 2.50 1000 Z3FR 2000 PANG FREQ GANG CTYP XPUD DTYP TTYP 5.000* Z1RI Z2RI NO** Z3RI OSOT 4000** 15.00 STYP 3ZNP 15.00** FDGT DIRU ZSEQ WFEN GBCV 3TRM GBPU...

  • Page 123: Fault Types Applied To Mdar

    I.L. 40-385.1B TABLE 6-4. FAULT TYPES APPLIED TO MDAR SETTING FAULT TYPE OUT CONTACTS TTYP APPLIED TRIP A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C A,B,C...
  • Page 124 I.L. 40-385.1B Section 7. INDEX TO NOMENCLATURE Numerics 3-Pole trip, reclosing on single-phase-to-ground faults ..[3-7], [5-5], [5-6], [6-2], [6-3], [6-4] 21BI Inner Blinder for out-of-step application ....[3-5], [3-8], [5-2], [6-10], [6-11] 21BO Outer Blinder for out-of-step application .
  • Page 125 I.L. 40-385.1B Phase C-to-Ground Fault ..... . . [4-14], [6-2], [6-10] Close-Into-Fault ......[1-2], [2-2], [3-3], [3-5], [3-6], [3-10], [4-12], [5-1], [5-6], [6-6], [6-7], [6-11], [6-12] CIFT...
  • Page 126 I.L. 40-385.1B High Speed Trip (Zone 1, PLT, ITP & ITG) ....[3-2], [3-3], [3-4], [3-5], [3-10] Fault current ......[6-10], [6-11] Low-level phase current pickup value setting (Amp) .
  • Page 127 I.L. 40-385.1B PLTG Pilot ground distance setting (ohms) ....[3-5], [3-6], [3-9], [3-10], [3-11], [3-12], [3-13], [3-14], [4-12], [5-5], [5-7], [6-8], [6-9] PLTP Pilot phase distance setting (ohms) .
  • Page 128 I.L. 40-385.1B S3PT 3-pole trip due to SPF or 62T for single-pole-trip option ..Stub bus protection (89b) ..... . . [1-2], [1-3], [3-5], [4-1], [4-4], [6-6],[6-7], [6-12] Chip select outputs .
  • Page 129 I.L. 40-385.1B Fault Voltage ......[6-3] Line-to-neutral voltage ......[2-1], [6-10] Voltage Transformer Ratio .
  • Page 130 I.L. 40-385.1B System Diagrams Drawing Title Page No. MDAR System Logic Diagram ..... (sheet 1 of 4) ............SD-2 MDAR System Logic Diagram ..... (sheet 2 of 4) ............SD-3 MDAR System Logic Diagram ..... (sheet 3 of 4) ............SD-4 MDAR System Logic Diagram .....
  • Page 135 Sub 1 1611C12 Figure SD-2. MDAR Block Diagram (sheet 1 of 1)

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