GE D90 Plus Instruction Manual page 432

Line distance protection system
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PROTECTION FLEXLOGIC™
422
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 IOC1 OP A.......................................Asserted when phase A of the phase instantaneous
PHASE IOC1 OP B.......................................Asserted when phase B of the phase instantaneous
PHASE IOC1 OP C.......................................Asserted when phase C of the phase instantaneous
PHASE IOC1 PKP.........................................Asserted when at least one phase of the phase instantaneous
PHASE IOC1 PKP A.....................................Asserted when phase A of the phase instantaneous
PHASE IOC1 PKP B.....................................Asserted when phase B of the phase instantaneous
PHASE IOC1 PKP C.....................................Asserted when phase C of the phase instantaneous
PHASE IOC2 to 12 ......................................Same set of operands as shown above for the phase
Phase overvoltage operands
PHASE OV1 DPO.........................................Asserted when at least one phase of the phase overvoltage 1
PHASE OV1 DPO A.....................................Asserted when phase A of the phase overvoltage 1 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.
overcurrent 1 element operates.
overcurrent 1 element operates.
overcurrent 1 element operates.
overcurrent 1 element picks up.
overcurrent 1 element picks up.
overcurrent 1 element picks up.
overcurrent 1 element picks up.
instantaneous overcurrent elements 2 through 12.
element drops out.
drops out.
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION

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