CHAPTER 5: SETTINGS FLEXLOGIC
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 5-197
5
ELEMENT:
Phase time
overcurrent
PHASE TOC1 PKP
PHASE TOC1 OP
PHASE TOC1 DPO
PHASE TOC1 PKP A
PHASE TOC1 PKP B
PHASE TOC1 PKP C
PHASE TOC1 OP A
PHASE TOC1 OP B
PHASE TOC1 OP C
PHASE TOC1 DPO A
PHASE TOC1 DPO B
PHASE TOC1 DPO C
At least one phase of phase time overcurrent 1 has picked up
At least one phase of phase time overcurrent 1 has operated
All phases of phase time overcurrent 1 have dropped out
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
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
Phase A of phase time overcurrent 1 has dropped out
Phase B of phase time overcurrent 1 has dropped out
Phase C of phase time overcurrent 1 has dropped out
PHASE TOC2 to 6 Same set of operands as shown for PHASE TOC1
ELEMENT:
Phase undervoltage
PHASE UV1 PKP
PHASE UV1 OP
PHASE UV1 DPO
PHASE UV1 PKP A
PHASE UV1 PKP B
PHASE UV1 PKP C
PHASE UV1 OP A
PHASE UV1 OP B
PHASE UV1 OP C
PHASE UV1 DPO A
PHASE UV1 DPO B
PHASE UV1 DPO C
At least one phase of phase undervoltage 1 has picked up
At least one phase of phase undervoltage 1 has operated
All phases of phase undervoltage 1 have dropped out
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
Phase A of phase undervoltage 1 has operated
Phase B of phase undervoltage 1 has operated
Phase C of phase undervoltage 1 has operated
Phase A of phase undervoltage 1 has dropped out
Phase B of phase undervoltage 1 has dropped out
Phase C of phase undervoltage 1 has dropped out
PHASE UV2 to 3 Same set of operands as shown for PHASE UV1
ELEMENT:
Synchrophasor
Phasor Measurement
Unit (PMU)
PMU Agg 1 SvEng On
PMU 1 CURR TRIGGER
PMU 1 FREQ TRIGGER
PMU 1 POWER TRIGGER
PMU 1 ROCOF TRIGGER
PMU 1 VOLT TRIGGER
PMU 1 TRIGGERED
SvEng data item in associated control block is on
Overcurrent trigger of phasor measurement unit 1 has operated
Abnormal frequency trigger of phasor measurement unit 1 has operated
Overpower trigger of phasor measurement unit 1 has operated
Rate of change of frequency trigger of phasor measurement unit 1 has
operated
Abnormal voltage trigger of phasor measurement unit 1 has operated
Phasor measurement unit 1 triggered; no events or targets are generated by
this operand
ELEMENT:
Synchrophasor one-
shot
PMU ONE-SHOT EXPIRED
PMU ONE-SHOT OP
PMU ONE-SHOT PENDING
Indicates the one-shot operation has been executed, and the present time is
at least 30 seconds past the scheduled one-shot time
Indicates the one-shot operation and remains asserted for 30 seconds
afterwards
Indicates the one-shot operation is pending; that is, the present time is before
the scheduled one-shot time
ELEMENT:
POTT
(Permissive
overreach transfer
trip)
POTT OP
POTT TX
POTT TX1
POTT TX2
POTT TX3
POTT TX4
POTT TRIP A
POTT TRIP B
POTT TRIP C
POTT TRIP 3P
Permissive over-reaching transfer trip has operated
Permissive over-reaching transfer trip signal sent
Permissive over-reaching transfer trip asserts transmit bit number 1
Permissive over-reaching transfer trip asserts transmit bit number 2
Permissive over-reaching transfer trip asserts transmit bit number 3
Permissive over-reaching transfer trip asserts transmit bit number 4
Permissive over-reaching transfer trip has operated to trip phase A
Permissive over-reaching transfer trip has operated to trip phase B
Permissive over-reaching transfer trip has operated to trip phase C
Permissive over-reaching transfer trip has operated to trip all three phases
ELEMENT:
POTT1
(Permissive
overreach transfer
trip ground)
POTT1 OP
POTT1 TX1
POTT1 TX2
POTT1 TX3
POTT1 TX4
POTT1 TRIP A
POTT1 TRIP B
POTT1 TRIP C
POTT1 TRIP 3P
Permissive over-reaching transfer trip ground has operated
Permissive over-reaching transfer trip ground asserts transmit bit number 1
Permissive over-reaching transfer trip ground asserts transmit bit number 2
Permissive over-reaching transfer trip ground asserts transmit bit number 3
Permissive over-reaching transfer trip ground asserts transmit bit number 4
Permissive over-reaching transfer trip ground has operated to trip phase A
Permissive over-reaching transfer trip ground has operated to trip phase B
Permissive over-reaching transfer trip ground has operated to trip phase C
Permissive over-reaching transfer trip ground has operated to trip all three
phases
Operand type Operand syntax Operand description
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