GE L90 Instruction Manual page 419

CHAPTER 5: SETTINGS
Operand type Operand syntax
ELEMENT: NEG SEQ DIR OC1 FWD
Negative-sequence NEG SEQ DIR OC1 REV
directional NEG SEQ DIR OC2 FWD
overcurrent NEG SEQ DIR OC2 REV
ELEMENT: NEG SEQ IOC1 PKP
Negative-sequence NEG SEQ IOC1 OP
instantaneous NEG SEQ IOC1 DPO
overcurrent
NEG SEQ IOC2
ELEMENT: NEG SEQ TOC1 PKP
Negative-sequence NEG SEQ TOC1 OP
time overcurrent NEG SEQ TOC1 DPO
NEG SEQ TOC2
ELEMENT: NEUTRAL IOC1 PKP
Neutral NEUTRAL IOC1 OP
instantaneous NEUTRAL IOC1 DPO
overcurrent
NEUTRAL IOC2 to 12
ELEMENT: NEUTRAL OV1 PKP
Neutral overvoltage NEUTRAL OV1 DPO
NEUTRAL OV1 OP
NEUTRAL OV2 to 3
ELEMENT: NEUTRAL TOC1 PKP
Neutral time NEUTRAL TOC1 OP
overcurrent NEUTRAL TOC1 DPO
NEUTRAL TOC2 to 6
ELEMENT: NTRL DIR OC1 FWD
Neutral directional NTRL DIR OC1 REV
overcurrent
NTRL DIR OC2
ELEMENT: OPEN POLE OP
Open pole detector OPEN POLE OP
OPEN POLE OP
OPEN POLE BKR
OPEN POLE BKR
OPEN POLE BKR
OPEN POLE BLK N
OPEN POLE BLK AB
OPEN POLE BLK BC
OPEN POLE BLK CA
OPEN POLE REM OP
OPEN POLE REM OP
OPEN POLE REM OP
OPEN POLE OP
OPEN POLE I<
OPEN POLE I<
OPEN POLE I<
ELEMENT: OVERFREQ 1 PKP
Overfrequency OVERFREQ 1 OP
OVERFREQ 1 DPO
OVERFREQ 2 to 4
ELEMENT: PDC NETWORK CNTRL 1
Synchrophasor PDC NETWORK CNTRL 2
↓
phasor data
concentrator PDC NETWORK CNTRL 16
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
Operand description
Negative-sequence directional overcurrent 1 forward has operated
Negative-sequence directional overcurrent 1 reverse has operated
Negative-sequence directional overcurrent 2 forward has operated
Negative-sequence directional overcurrent 2 reverse has operated
Negative-sequence instantaneous overcurrent 1 has picked up
Negative-sequence instantaneous overcurrent 1 has operated
Negative-sequence instantaneous overcurrent 1 has dropped out
Same set of operands as shown for NEG SEQ IOC1
Negative-sequence time overcurrent 1 has picked up
Negative-sequence time overcurrent 1 has operated
Negative-sequence time overcurrent 1 has dropped out
Same set of operands as shown for NEG SEQ TOC1
Neutral instantaneous overcurrent 1 has picked up
Neutral instantaneous overcurrent 1 has operated
Neutral instantaneous overcurrent 1 has dropped out
Same set of operands as shown for NEUTRAL IOC1
Neutral overvoltage element 1 has picked up
Neutral overvoltage element 1 has dropped out
Neutral overvoltage element 1 has operated
Same set of operands as shown for NEUTRAL OV1
Neutral time overcurrent 1 has picked up
Neutral time overcurrent 1 has operated
Neutral time overcurrent 1 has dropped out
Same set of operands as shown for NEUTRAL TOC1
Neutral directional overcurrent 1 forward has operated
Neutral directional overcurrent 1 reverse has operated
Same set of operands as shown for NTRL DIR OC1
φ
A Open pole condition is detected in phase A
φ
B Open pole condition is detected in phase B
φ
C Open pole condition is detected in phase C
φ
A OP Based on the breaker(s) auxiliary contacts, an open pole condition is detected
on phase A
φ
B OP Based on the breaker(s) auxiliary contacts, an open pole condition is detected
on phase B
φ
C OP Based on the breaker(s) auxiliary contacts, an open pole condition is detected
on phase C
Blocking signal for neutral, ground, and negative-sequence overcurrent
element is established
Blocking signal for the AB phase distance elements is established
Blocking signal for the BC phase distance elements is established
Blocking signal for the CA phase distance elements is established
φ
A Remote open pole condition detected in phase A
φ
B Remote open pole condition detected in phase B
φ
C Remote open pole condition detected in phase C
Open pole detector is operated
φ
A Open pole undercurrent condition is detected in phase A
φ
B Open pole undercurrent condition is detected in phase B
φ
C Open pole undercurrent condition is detected in phase C
Overfrequency 1 has picked up
Overfrequency 1 has operated
Overfrequency 1 has dropped out
Same set of operands as shown for OVERFREQ 1
Phasor data concentrator asserts control bit 1 as received via the network
Phasor data concentrator asserts control bit 2 as received via the network
↓
Phasor data concentrator asserts control bit 16 as received via the network
FLEXLOGIC
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