CHAPTER 7: PROTECTION PROTECTION FLEXLOGIC
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 423
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
overcurrent is supervising.
PH DIST Z1 SUPN IBC................................
Asserted when phase distance zone 1 phase BC instantaneous
overcurrent is supervising.
PH DIST Z1 SUPN ICA................................
Asserted when phase distance zone 1 phase CA instantaneous
overcurrent is supervising.
PH DIST Z2 to Z5.........................................
Same set of operands as shown above for phase distance
zones 2 through 5.
Phase instantaneous overcurrent operands
PHASE IOC1 DPO........................................
Asserted when at least one phase of the phase instantaneous
overcurrent 1 element drops out.
PHASE IOC1 DPO A....................................
Asserted when phase A of the phase instantaneous
overcurrent 1 element drops out.
PHASE IOC1 DPO B....................................
Asserted when phase B of the phase instantaneous
overcurrent 1 element drops out.
PHASE IOC1 DPO C....................................
Asserted when phase C of the phase instantaneous
overcurrent 1 element drops out.
PHASE IOC1 OP ...........................................
Asserted when at least one phase of the phase instantaneous
overcurrent 1 element operates.
PHASE IOC1 OP A .......................................
Asserted when phase A of the phase instantaneous
overcurrent 1 element operates.
PHASE IOC1 OP B .......................................
Asserted when phase B of the phase instantaneous
overcurrent 1 element operates.
PHASE IOC1 OP C .......................................
Asserted when phase C of the phase instantaneous
overcurrent 1 element operates.
PHASE IOC1 PKP .........................................
Asserted when at least one phase of the phase instantaneous
overcurrent 1 element picks up.
PHASE IOC1 PKP A.....................................
Asserted when phase A of the phase instantaneous
overcurrent 1 element picks up.
PHASE IOC1 PKP B .....................................
Asserted when phase B of the phase instantaneous
overcurrent 1 element picks up.
PHASE IOC1 PKP C.....................................
Asserted when phase C of the phase instantaneous
overcurrent 1 element picks up.
PHASE IOC2 to 12 ......................................
Same set of operands as shown above for the phase
instantaneous overcurrent elements 2 through 12.
Phase overvoltage operands
PHASE OV1 DPO .........................................
Asserted when at least one phase of the phase overvoltage 1
element drops out.
PHASE OV1 DPO A .....................................
Asserted when phase A of the phase overvoltage 1 element
drops out.