GE LPS-D Instruction Manual page 8

Line protection system
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TABLE OF CONTENTS
309: Z3GRDCHAR - Zone 3 Ground Characteristic ..................................... 2-18
310: Z3RGREACH - Zone 3 Resistive Ground Reach ................................. 2-18
2.3.5
Z4DISTANCE........................................................................................... 2-18
401: Z4PHASE - Zone 4 Phase Distance ..................................................... 2-19
402: Z4PHREACH - Zone 4 Phase Distance Reach .................................... 2-20
405: Z4GRND - Zone 4 Ground Distance..................................................... 2-21
406: Z4GRDREACH - Z4 Ground Reach ..................................................... 2-21
408: Z4DIRECTN - Zone 4 Direction ............................................................ 2-23
409: Z4_TIMERS - Zone 4 Timers................................................................ 2-23
410: Z4P_TIME - Zone 4 Phase Time .......................................................... 2-23
411: Z4G_TIME - Zone 4 Ground Timer....................................................... 2-23
412: Z4GRDCHAR - Zone 4 Ground Characteristic ..................................... 2-23
413: Z4RGREACH - Zone 4 Resistive Ground Reach ................................. 2-23
2.3.6
CURSUPVISN ......................................................................................... 2-24
501: IT_PICKUP - Trip Supervision Current ................................................. 2-24
502: IB_PICKUP - Block Supervision Current .............................................. 2-24
503: IPT_PICKUP - GDOC Trip Current....................................................... 2-24
504: IPB_PICKUP - GDOC Block Current .................................................... 2-24
505: IPBKFACTOR - IPB I1 Restraint........................................................... 2-25
506: NT_OFFSET: NT/NB Offset.................................................................. 2-26
507: UNBALALARM - Unbalanced Current Alarm........................................ 2-26
2.3.7
OVERCURRNT........................................................................................ 2-27
601: 50 - Phase Instantaneous Overcurrent ................................................. 2-27
602: 50_DIRCNL - Directional Control Of 50 ................................................ 2-27
603: 50PICKUP - 50 Pickup Setting ............................................................. 2-27
604: 50PICKUPFF - 50 Pickup During Fuse Failure..................................... 2-27
605: 50G - Ground Instantaneous Overcurrent ............................................ 2-27
606: 50G_DIRDNL - Directional Control Of 50G .......................................... 2-27
607: 50GPICKUP - 50G Pickup Setting........................................................ 2-28
608: 50GPCKUPFF - Pickup During Fuse Failure........................................ 2-28
609: 50GRESTNT - 50G Restraint Setting ................................................... 2-28
610: 51G - Select Ground Time Overcurrent (TOC) ..................................... 2-28
611: 51G_DIRCNL - Select Directional Control of TOC ............................... 2-28
612: 51GPICKUP - Ground Time Overcurrent Setting ................................. 2-28
613: 51GPCKUPFF - 51G Pickup During Fuse Failure ................................ 2-29
614: 51GCURVE - Select 51G Characteristic Curve .................................... 2-29
615: 51GTIMDIAL - Ground Time Overcurrent Time Dial............................. 2-29
616: DEFTIMDELY - Definite Time Delay..................................................... 2-29
2.3.8
VOLTAGE ................................................................................................ 2-29
701: RATEDVOLTS - Rated Per Unit Voltage .............................................. 2-29
702: PHASEOVER - Select Phase Overvoltage........................................... 2-29
703: PHOVPICKUP - Phase Overvoltage Pickup......................................... 2-29
704: PHOVTMDLY - Phase Overvoltage Time Delay................................... 2-29
705-713: NOT USED .................................................................................... 2-29
714: FUSEFAIL - Potential Fuse Failure Blocking ........................................ 2-30
2.3.9
BLK RECLOS .......................................................................................... 2-31
802: OUTOFSTEP - Block For Out Of Step.................................................. 2-31
803: ALL_3_Z2PH - Block For Three Phase Faults...................................... 2-31
804: 50G_BLOCK - Block For 50G............................................................... 2-31
808: Z1PHASTRIP - Block For Zone 1 Phase Trip....................................... 2-31
809: ANYZ2PHASE - Block For Any Zone 2 Phase Fault ............................ 2-31
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

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