4–378 889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
FLEXLOGIC CHAPTER 4: SETPOINTS
Percent Differential Percent Diff PKP A
Percent Diff PKP B
Percent Diff PKP C
Percent Diff PKP
Percent Diff Sat A
Percent Diff Sat B
Percent Diff Sat C
Percent Diff Dir A
Percent Diff Dir B
Percent Diff Dir C
Percent Diff OP A
Percent Diff OP B
Percent Diff OP C
Percent Diff OP
Percent Diff Warn
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
Saturation detected in stator phase A
Saturation detected in stator phase B
Saturation detected in stator phase C
Phase A direction indicates an internal fault
Phase B direction indicates an internal fault
Phase C direction indicates an internal fault
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 10s
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
Ph TOC 2
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 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 OP
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 Directional OC Ph Dir OC REV A
Ph Dir OC REV B
Ph Dir OC REV C
Ph Dir OC REV
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
Phase Reversal Phase Rev PKP
Phase Rev OP
Phase Rev Inhibit
The phase reversal element has picked up
The phase reversal element has operated
The phase reversal start inhibit occurs
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
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
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
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
Power Factor PF Trip PKP
PF Trip OP
PF Alarm PKP
PF Alarm OP
The power factor (trip) has pickup up
The power factor (trip) has operated
The power factor alarm has picked up
The power factor alarm has operated
Programmable
Pushbuttons
PB 1 ON
PB 1 OFF
Pushbuttons 2 and 3
Pushbutton 1 ON state has been asserted
Pushbutton 1 OFF state has been asserted
The same set of operands as shown for Pushbutton 1
ELEMENT OPERANDS EVENT DESCRIPTION
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