GE D90 Plus Instruction Manual page 431

CHAPTER 7: PROTECTION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
NEUTRAL TOC 2 to 6..................................The operands listed above are also available for neutral time
Neutral directional overcurrent operands
NTRL DIR OC1 FWD...................................Asserted when the neutral directional overcurrent 1 element
NTRL DIR OC1 REV.....................................Asserted when the neutral directional overcurrent 1 element
NTRL DIR OC2 FWD...................................Asserted when the neutral directional overcurrent 2 element
NTRL DIR OC2 REV.....................................Asserted when the neutral directional overcurrent 2 element
Open pole detector operands
OPEN POLE BKR ΦA OPEN......................Asserted when an open pole condition is detected on phase A,
OPEN POLE BKR ΦB OPEN......................Asserted when an open pole condition is detected on phase B,
OPEN POLE BKR ΦC OPEN .....................Asserted when an open pole condition is detected on phase C,
OPEN POLE BLK AB....................................Asserted when the blocking signal for the AB phase distance
OPEN POLE BLK BC ...................................Asserted when the blocking signal for the BC phase distance
OPEN POLE BLK CA ...................................Asserted when the blocking signal for the CA phase distance
OPEN POLE BLK N......................................Asserted when the blocking signal for the neutral, ground, and
OPEN POLE OP.............................................Asserted when the open pole detector operates.
OPEN POLE OP ΦA.....................................Asserted when an open pole condition is detected in phase A.
OPEN POLE OP ΦB.....................................Asserted when an open pole condition is detected in phase B.
OPEN POLE OP ΦC.....................................Asserted when an open pole condition is detected in phase C.
OPEN POLE REM OP ΦA...........................Asserted when a remote open pole condition is detected in
OPEN POLE REM OP ΦB...........................Asserted when a remote open pole condition is detected in
OPEN POLE REM OP ΦC...........................Asserted when a remote open pole condition is detected in
Phase directional overcurrent operands
PH DIR1 BLK .................................................Asserted when the phase directional overcurrent 1 element is
PH DIR1 BLK A .............................................Asserted when the phase directional overcurrent 1 element is
PH DIR1 BLK B .............................................Asserted when the phase directional overcurrent 1 element is
PH DIR1 BLK C .............................................Asserted when the phase directional overcurrent 1 element is
PH DIR 2..........................................................Same set of operands as shown above for the phase directional
Phase distance operands
PH DIST Z1 DPO AB ...................................Asserted when phase distance zone 1 phase AB drops out.
PH DIST Z1 DPO BC ...................................Asserted when phase distance zone 1 phase BC drops out.
overcurrent 2 through 6.
forward mode operates.
reverse mode operates.
forward mode operates.
reverse mode operates.
based on breaker auxiliary contacts.
based on breaker auxiliary contacts.
based on breaker auxiliary contacts.
elements is established.
elements is established.
elements is been established.
negative-sequence overcurrent elements is established.
phase A.
phase B.
phase C.
blocked.
blocked in phase A.
blocked in phase B.
blocked in phase C.
overcurrent 2 element.
PROTECTION FLEXLOGIC™
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