GE 845 Instruction Manual page 427

CHAPTER 4: SETPOINTS
ELEMENT OPERANDS
Percent Differential Percent Diff PKP A
Percent Diff PKP B
Percent Diff PKP C
Percent Diff PKP
Percent Diff OP A
Percent Diff OP B
Percent Diff OP C
Percent Diff OP
Percent Diff Warn
Pcnt Diff Blocked
Pcnt Diff Sat A
Pcnt Diff Sat B
Pcnt Diff Sat C
Pcnt Diff Sat
Pcnt Diff Dir A
Pcnt Diff Dir B
Pcnt Diff Dir C
Pcnt Diff Dir
2nd Harm Diff A
2nd Harm Diff B
2nd Harm Diff C
5th Harm Diff A
5th Harm Diff B
5th Harm Diff C
Phase TOC Ph TOC 1 PKP A
Ph TOC 1 PKP B
Ph TOC 1 PKP C
Ph TOC 1 PKP
Ph TOC 1 OP A
Ph TOC 1 OP B
Ph TOC 1 OP C
Ph TOC 1 OP
PHASE TOC 2
PHASE TOC 2, PHASE TOC 3
Phase IOC Ph IOC 1 PKP A
Ph IOC 1 PKP B
Ph IOC 1 PKP C
Ph IOC 1 PKP
Ph IOC 1 OP A
Ph IOC 1 OP B
Ph IOC 1 OP C
Ph IOC 1 OP
Ph IOC 2
PHASE IOC 2 to PHASE IOC6
Phase Directional OC Ph Dir OC REV A
Ph Dir OC REV B
Ph Dir OC REV C
Ph Dir OC REV
Phase UV Ph UV 1 PKP
Ph UV 1 PKP A
Ph UV 1 PKP B
Ph UV 1 PKP C
Ph UV 1 OP
Ph UV 1 OP A
Ph UV 1 OP B
Ph UV 1 OP C
Ph UV 2
Phase OV Ph OV 1 PKP
Ph OV 1 PKP A
Ph OV 1 PKP B
Ph OV 1 PKP C
Ph OV 1 OP
Ph OV 1 OP A
Ph OV 1 OP B
Ph OV 1 OP C
Ph OV 2
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
EVENT DESCRIPTION
Percent A differential has picked up
Percent B differential has picked up
Percent C differential has picked up
At least one Percent differential element has picked up
Phase A differential has operated
Phase B differential has operated
Phase C differential has operated
At least one Percent differential element has operated
Percent differential current exceeded 0.5 x PKP for 10 seconds
Percent differential protection has been blocked
Percent differential flag triggered on phase A
Percent differential flag triggered on phase B
Percent differential flag triggered on phase C
Percent differential flag triggered
Percent differential directional flag triggered on phase A
Percent differential directional flag triggered on phase B
Percent differential directional flag triggered on phase C
Percent differential directional flag triggered
nd
2 harmonic Phase A diff. current block detected
nd
2 harmonic Phase B diff. current block detected
nd
2 harmonic Phase C diff. current block detected
th
5 harmonic Phase A diff. current block detected
th
5 harmonic Phase B diff. current block detected
th
5
harmonic Phase C diff. current block detected
Phase A of phase time overcurrent 1 has picked up
Phase B of phase time overcurrent 1 has picked up
Phase C of phase time overcurrent 1 has picked up
At least one phase of phase time overcurrent 1 has picked up
Phase A of phase time overcurrent 1 has operated
Phase B of phase time overcurrent 1 has operated
Phase C of phase time overcurrent 1 has operated
At least one phase of phase time overcurrent 1 has operated
The same set of operands as per Phase TOC 1
Phase A of phase IOC 1 has picked up
Phase B of phase IOC 1 has picked up
Phase C of phase IOC 1 has picked up
At least one phase of phase IOC overcurrent 1 has picked up
Phase A of phase IOC 1 has operated
Phase B of phase IOC 1 has operated
Phase C of phase IOC 1 has operated
At least one phase of phase IOC 1 has operated
The same set of operands as per Phase IOC 1
Phase A current in reverse direction
Phase B current in reverse direction
Phase C current in reverse direction
At least one phase current in reverse direction
At least one phase of phase undervoltage 1 has picked up
Phase A of phase undervoltage 1 has picked up
Phase B of phase undervoltage 1 has picked up
Phase C of phase undervoltage 1 has picked up
At least one phase of phase undervoltage 1 has operated
Phase A of phase undervoltage 1 has operated
Phase B of phase undervoltage 1 has operated
Phase C of phase undervoltage 1 has operated
The same set of operands as per Phase UV 1
At least one phase of phase overvoltage 1 has picked up
Phase A of phase overvoltage element 1 has picked up
Phase B of phase overvoltage element 1 has picked up
Phase C of phase overvoltage element 1 has picked up
At least one phase of phase overvoltage 1 has operated
Phase A of phase overvoltage element 1 has operated
Phase B of phase overvoltage element 1 has operated
Phase C of phase overvoltage element 1 has operated
The same set of operands as per Phase OV 1
FLEXLOGIC
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