GE D90 Plus Instruction Manual page 375

CHAPTER 7: PROTECTION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
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.
PH DIST Z1 DPO CA ...................................Asserted when phase distance zone 1 phase CA drops out.
PH DIST Z1 OP..............................................Asserted when phase distance zone 1 operates.
PH DIST Z1 OP AB.......................................Asserted when phase distance zone 1 phase AB operates.
PH DIST Z1 OP BC.......................................Asserted when phase distance zone 1 phase BC operates.
PH DIST Z1 OP CA.......................................Asserted when phase distance zone 1 phase CA operates.
PH DIST Z1 PKP ...........................................Asserted when phase distance zone 1 picks up.
PH DIST Z1 PKP AB.....................................Asserted when phase distance zone 1 phase AB picks up.
PH DIST Z1 PKP BC ....................................Asserted when phase distance zone 1 phase BC picks up.
PH DIST Z1 PKP CA ....................................Asserted when phase distance zone 1 phase CA picks up.
PH DIST Z1 SUPN IAB................................Asserted when phase distance zone 1 phase AB instantaneous
PH DIST Z1 SUPN IBC................................Asserted when phase distance zone 1 phase BC instantaneous
PH DIST Z1 SUPN ICA................................Asserted when phase distance zone 1 phase CA instantaneous
PH DIST Z2 to Z5.........................................Same set of operands as shown above for phase distance
Phase instantaneous overcurrent operands
PHASE IOC1 DPO........................................Asserted when at least one phase of the phase instantaneous
PHASE IOC1 DPO A....................................Asserted when phase A of the phase instantaneous
PHASE IOC1 DPO B....................................Asserted when phase B of the phase instantaneous
PHASE IOC1 DPO C....................................Asserted when phase C of the phase instantaneous
PHASE IOC1 OP ...........................................Asserted when at least one phase of the phase instantaneous
phase A.
phase B.
phase C.
blocked.
blocked in phase A.
blocked in phase B.
blocked in phase C.
overcurrent 2 element.
overcurrent is supervising.
overcurrent is supervising.
overcurrent is supervising.
zones 2 through 5.
overcurrent 1 element drops out.
overcurrent 1 element drops out.
overcurrent 1 element drops out.
overcurrent 1 element drops out.
overcurrent 1 element operates.
PROTECTION FLEXLOGIC™
367