GE L30 Instruction Manual page 404

Line current differential system
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FLEXLOGIC
Operand type
ELEMENT:
CT fail
ELEMENT:
Digital counters
ELEMENT:
Digital elements
ELEMENT:
Frequency rate of
change
ELEMENT:
FlexElements
ELEMENT:
Ground
instantaneous
overcurrent
5
ELEMENT:
Ground time
overcurrent
ELEMENT:
Incipient cable fault
detection
ELEMENT:
Non-volatile latches
ELEMENT:
Negative-sequence
instantaneous
overcurrent
ELEMENT:
Negative-sequence
overvoltage
ELEMENT:
Negative-sequence
time overcurrent
ELEMENT:
Neutral
instantaneous
overcurrent
5-190
Operand syntax
CT FAIL 1 PKP
CT FAIL 1 OP
CT FAIL 2
Counter 1 HI
Counter 1 EQL
Counter 1 LO
Counter 2 to 8
Dig Element 1 PKP
Dig Element 1 OP
Dig Element 1 DPO
Dig Element 2 to 48
FREQ RATE 1 PKP
FREQ RATE 1 DPO
FREQ RATE 1 OP
FREQ RATE 2
FxE 1 PKP
FxE 1 OP
FxE 1 DPO
FxE 2 to 8
GROUND IOC1 PKP
GROUND IOC1 OP
GROUND IOC1 DPO
GROUND IOC2 to 12
GROUND TOC1 PKP
GROUND TOC1 OP
GROUND TOC1 DPO
GROUND TOC2 to 6
INCIPNT FLT 1 OP
INCIPNT FLT 1 OP A
INCIPNT FLT 1 OP B
INCIPNT FLT 1 OP C
INCIPNT FLT 1 PKP
INCIPNT FLT 1 PKP A
INCIPNT FLT 1 PKP B
INCIPNT FLT 1 PKP C
LATCH 1 ON
LATCH 1 OFF
LATCH 2 to 16
NEG SEQ IOC1 PKP
NEG SEQ IOC1 OP
NEG SEQ IOC1 DPO
NEG SEQ IOC2
NEG SEQ OV1 PKP
NEG SEQ OV1 DPO
NEG SEQ OV1 OP
NEG SEQ OV2 to 3
NEG SEQ TOC1 PKP
NEG SEQ TOC1 OP
NEG SEQ TOC1 DPO
NEG SEQ TOC2
NEUTRAL IOC1 PKP
NEUTRAL IOC1 OP
NEUTRAL IOC1 DPO
NEUTRAL IOC2 to 12
Operand description
CT fail has picked up
CT fail has dropped out
Same set of operands as per CT FAIL 1
Digital counter 1 output is 'more than' comparison value
Digital counter 1 output is 'equal to' comparison value
Digital counter 1 output is 'less than' comparison value
Same set of operands as shown for Counter 1
Digital Element 1 is picked up
Digital Element 1 is operated
Digital Element 1 is dropped out
Same set of operands as shown for Dig Element 1
The frequency rate of change 1 element has picked up
The frequency rate of change 1 element has dropped out
The frequency rate of change 1 element has operated
Same set of operands as shown for FREQ RATE 1
FlexElement 1 has picked up
FlexElement 1 has operated
FlexElement 1 has dropped out
Same set of operands as shown for FxE 1
Ground instantaneous overcurrent 1 has picked up
Ground instantaneous overcurrent 1 has operated
Ground instantaneous overcurrent 1 has dropped out
Same set of operands as shown for GROUND IOC 1
Ground time overcurrent 1 has picked up
Ground time overcurrent 1 has operated
Ground time overcurrent 1 has dropped out
Same set of operands as shown for GROUND TOC1
Asserted when incipient cable fault detector 1 operates in any phase
Asserted when incipient cable fault detector 1 operates in phase A
Asserted when incipient cable fault detector 1 operates in phase B
Asserted when incipient cable fault detector 1 operates in phase C
Asserted when incipient cable fault detector 1 picks up in any phase
Asserted when incipient cable fault detector 1 picks up in phase A
Asserted when incipient cable fault detector 1 picks up in phase B
Asserted when incipient cable fault detector 1 picks up in phase C
Non-volatile latch 1 is ON (Logic = 1)
Non-volatile latch 1 is OFF (Logic = 0)
Same set of operands as shown for LATCH 1
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 overvoltage element has picked up
Negative-sequence overvoltage element has dropped out
Negative-sequence overvoltage element has operated
Same set of operands as shown for NEG SEQ OV1
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
L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS

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