GE L90 Instruction Manual page 360

FLEXLOGIC
Operand type
ELEMENT:
Directional
comparison
unblocking scheme
(DCUB)
ELEMENT:
Digital elements
ELEMENT:
Blocking scheme
ELEMENT:
Blocking 1 scheme
5
ELEMENT:
Sensitive directional
power
ELEMENT:
DUTT
(Direct underreach
transfer trip)
ELEMENT:
Fault locator
ELEMENT:
Frequency rate of
change
ELEMENT:
FlexElements
5-174
Operand syntax
DCUB TX1
DCUB TX2
DCUB TX3
DCUB TX4
DCUB TRIP A
DCUB TRIP B
DCUB TRIP C
DCUB TRIP 3P
DCUB OP
Dig Element 1 PKP
Dig Element 1 OP
Dig Element 1 DPO
Dig Element 2 to 48
DIR BLOCK TX INIT
DIR BLOCK TX1 STOP
DIR BLOCK TX2 STOP
DIR BLOCK TX3 STOP
DIR BLOCK TX4 STOP
DIR BLOCK TRIP A
DIR BLOCK TRIP B
DIR BLOCK TRIP C
DIR BLOCK TRIP 3P
DIR BLOCK OP
DIR BLOCK1 TX INIT
DIR BLOCK1 TX1 STOP
DIR BLOCK1 TX2 STOP
DIR BLOCK1 TX3 STOP
DIR BLOCK1 TX4 STOP
DIR BLOCK1 TRIP A
DIR BLOCK1 TRIP B
DIR BLOCK1 TRIP C
DIR BLOCK1 TRIP 3P
DIR BLOCK1 OP
DIR POWER 1 STG1 PKP
DIR POWER 1 STG2 PKP
DIR POWER 1 STG1 DPO
DIR POWER 1 STG2 DPO
DIR POWER 1 STG1 OP
DIR POWER 1 STG2 OP
DIR POWER 1 PKP
DIR POWER 1 DPO
DIR POWER 1 OP
DIR POWER 2
DUTT TX1
DUTT TX2
DUTT TX3
DUTT TX4
DUTT TRIP A
DUTT TRIP B
DUTT TRIP C
DUTT TRIP 3P
DUTT OP
TAP-LOCAL FAULT
FREQ RATE 1 PKP
FREQ RATE 1 DPO
FREQ RATE 1 OP
FREQ RATE 2 to 4
FxE 1 PKP
FxE 1 OP
FxE 1 DPO
FxE 2 to 8
Operand description
Directional comparison unblocking scheme asserts transmit bit 1
Directional comparison unblocking scheme asserts transmit bit 2
Directional comparison unblocking scheme asserts transmit bit 3
Directional comparison unblocking scheme asserts transmit bit 4
Directional comparison unblocking scheme has operated to trip phase A
Directional comparison unblocking scheme has operated to trip phase B
Directional comparison unblocking scheme has operated to trip phase C
Directional comparison unblocking scheme has operated to trip all phases
Directional comparison unblocking scheme has operated
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
Directional blocking signal is initiated
Directional blocking scheme de-asserts transmit bit no. 1
Directional blocking scheme de-asserts transmit bit no. 2
Directional blocking scheme de-asserts transmit bit no. 3
Directional blocking scheme de-asserts transmit bit no. 4
Directional blocking scheme has operated to trip phase A
Directional blocking scheme has operated to trip phase B
Directional blocking scheme has operated to trip phase C
Directional blocking scheme has tripped all 3 phases
Directional blocking scheme has operated
Directional blocking1 signal is initiated
Directional blocking1 scheme de-asserts transmit bit no. 1
Directional blocking1 scheme de-asserts transmit bit no. 2
Directional blocking1 scheme de-asserts transmit bit no. 3
Directional blocking1 scheme de-asserts transmit bit no. 4
Directional blocking1 scheme has operated to trip phase A
Directional blocking1 scheme has operated to trip phase B
Directional blocking1 scheme has operated to trip phase C
Directional blocking1 scheme has tripped all 3 phases
Directional blocking1 scheme has operated
Stage 1 of the directional power element 1 has picked up
Stage 2 of the directional power element 1 has picked up
Stage 1 of the directional power element 1 has dropped out
Stage 2 of the directional power element 1 has dropped out
Stage 1 of the directional power element 1 has operated
Stage 2 of the directional power element 1 has operated
The directional power element has picked up
The directional power element has dropped out
The directional power element has operated
Same set of operands as DIR POWER 1
Direct under-reaching transfer trip asserts transmit bit 1
Direct under-reaching transfer trip asserts transmit bit 2
Direct under-reaching transfer trip asserts transmit bit 3
Direct under-reaching transfer trip asserts transmit bit 4
Direct under-reaching transfer trip has operated to trip phase A
Direct under-reaching transfer trip has operated to trip phase B
Direct under-reaching transfer trip has operated to trip phase C
Direct under-reaching transfer trip has operated to trip all three phases
Direct under-reaching transfer trip has operated
Fault is located between local terminal and tap point (3-terminal only)
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
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS