GE D90 Plus Instruction Manual page 372

PROTECTION FLEXLOGIC™
364
GND DIST Z2 DIR SUPN ...........................Asserted when ground distance zone 2 directional is
GND DIST Z2 to Z5.....................................The operands listed above are also available for ground
Ground instantaneous overcurrent operands
GROUND IOC1 DPO ..................................Asserted when ground instantaneous overcurrent 1 drops out.
GROUND IOC1 OP......................................Asserted when ground instantaneous overcurrent 1 operates.
GROUND IOC1 PKP....................................Asserted when ground instantaneous overcurrent 1 picks up.
GROUND IOC2 to 12 .................................The operands listed above are also available for ground
Ground time overcurrent operands
GROUND TOC1 DPO .................................Asserted when ground time overcurrent 1 drops out.
GROUND TOC1 OP.....................................Asserted when ground time overcurrent 1 operates.
GROUND TOC1 PKP...................................Asserted when ground time overcurrent 1 picks up.
GROUND TOC2 to 6...................................The operands listed above are also available for ground time
Hybrid permissive overreaching transfer trip (hybrid POTT) operands
HYBRID POTT OP ........................................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TRIP A.................................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TRIP B.................................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TRIP C.................................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TRIP 3P...............................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TX1 ......................................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TX2 ......................................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TX3 ......................................Asserted when the hybrid permissive overreaching transfer trip
HYBRID POTT TX4 ......................................Asserted when the hybrid permissive overreaching transfer trip
Non-volatile latch operands
LATCH 1 OFF.................................................Asserted when non-volatile latch 1 is off (logic 0).
LATCH 1 ON ..................................................Asserted when non-volatile latch 1 is on (logic 1).
LATCH 2 to 16 ..............................................The operands listed above are also available for non-volatile
Line pickup operands
LINE PICKUP DPO.......................................Asserted when the line pickup element drops out.
LINE PICKUP I<A .........................................Asserted when the line pickup element detects phase A current
LINE PICKUP I<B .........................................Asserted when the line pickup element detects phase B current
LINE PICKUP I<C .........................................Asserted when the line pickup element detects phase C current
supervising. This operand is only available for zone 2.
distance elements 2 through 5.
instantaneous overcurrent elements 2 through 12.
overcurrent elements 2 through 6.
scheme operates.
scheme operates to trip phase A.
scheme operates to trip phase B.
scheme operates to trip phase C.
scheme operates to trip all three phases.
scheme asserts transmit bit 1.
scheme asserts transmit bit 2.
scheme asserts transmit bit 3.
scheme asserts transmit bit 4.
latches 2 to 16.
less than 5% of nominal.
less than 5% of nominal.
less than 5% of nominal.
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION