GE L90 Instruction Manual page 358

Line current differential system
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FLEXLOGIC
Operand type
ELEMENT:
Autoreclose
(1P/3P)
ELEMENT:
Auxiliary overvoltage
5
ELEMENT:
Auxiliary
undervoltage
ELEMENT:
Breaker flashover
ELEMENT:
Breaker arcing
ELEMENT:
Breaker failure
5-172
Operand syntax
AR ENABLED
AR DISABLED
AR RIP
AR 1-P RIP
AR 3-P/1 RIP
AR 3-P/2 RIP
AR 3-P/3 RIP
AR 3-P/4 RIP
AR LO
AR BKR1 BLK
AR BKR2 BLK
AR CLOSE BKR1
AR CLOSE BKR2
AR FORCE 3-P TRIP
AR SHOT CNT > 0
AR SHOT CNT = 1
AR SHOT CNT = 2
AR SHOT CNT = 3
AR SHOT CNT = 4
AR MODE = 1
AR MODE = 2
AR MODE = 3
AR MODE = 4
AR MODE SWITCH FAIL
AR ZONE 1 EXTENT
AR INCOMPLETE SEQ
AR RESET
AUX OV1 PKP
AUX OV1 DPO
AUX OV1 OP
AUX OV2
AUX UV1 PKP
AUX UV1 DPO
AUX UV1 OP
AUX UV2 to 3
BKR 1 FLSHOVR PKP A
BKR 1 FLSHOVR PKP B
BKR 1 FLSHOVR PKP C
BKR 1 FLSHOVR PKP
BKR 1 FLSHOVR OP A
BKR 1 FLSHOVR OP B
BKR 1 FLSHOVR OP C
BKR 1 FLSHOVR OP
BKR 1 FLSHOVR DPO A
BKR 1 FLSHOVR DPO B
BKR 1 FLSHOVR DPO C
BKR 1 FLSHOVR DPO
BKR 2 FLSHOVR
BKR ARC 1 OP
BKR ARC 1 DPO
BKR ARC 1 MAX OP
BKR ARC 1 MAX DPO
BKR ARC 2 OP
BKR ARC 2 DPO
BKR ARC 2 MAX OP
BKR ARC 2 MAX DPO
BKR ARC 3 to 4
BKR FAIL 1 RETRIPA
BKR FAIL 1 RETRIPB
BKR FAIL 1 RETRIPC
BKR FAIL 1 RETRIP
BKR FAIL 1 T1 OP
BKR FAIL 1 T2 OP
BKR FAIL 1 T3 OP
BKR FAIL 1 TRIP OP
Operand description
Autoreclosure is enabled and ready to perform
Autoreclosure is disabled
Autoreclosure is in "reclose-in-progress" state
A single-pole reclosure is in progress
A three-pole reclosure is in progress, via dead time 1
A three-pole reclosure is in progress, via dead time 2
A three-pole reclosure is in progress, via dead time 3
A three-pole reclosure is in progress, via dead time 4
Autoreclosure is in lockout state
Reclosure of breaker 1 is blocked
Reclosure of breaker 2 is blocked
Reclose breaker 1 signal
Reclose breaker 2 signal
Force any trip to a three-phase trip
The first 'CLOSE BKR X' signal has been issued
Shot count is equal to 1
Shot count is equal to 2
Shot count is equal to 3
Shot count is equal to 4
Autoreclose mode equal to 1 (1 and 3 pole mode)
Autoreclose mode equal to 2 (1 pole mode)
Autoreclose mode equal to 3 (3 pole-A mode)
Autoreclose mode equal to 4 (3 pole-B mode)
Autoreclose mode switching is attempted, but failed
The zone 1 distance function must be set to the extended overreach value
The incomplete sequence timer timed out
Autoreclose has been reset either manually or by the reset timer
Auxiliary overvoltage element has picked up
Auxiliary overvoltage element has dropped out
Auxiliary overvoltage element has operated
Same set of operands as shown for AUX OV1
Auxiliary undervoltage element has picked up
Auxiliary undervoltage element has dropped out
Auxiliary undervoltage element has operated
Same set of operands as shown for AUX UV1
Breaker 1 flashover element phase A has picked up
Breaker 1 flashover element phase B has picked up
Breaker 1 flashover element phase C has picked up
Breaker 1 flashover element has picked up
Breaker 1 flashover element phase A has operated
Breaker 1 flashover element phase B has operated
Breaker 1 flashover element phase C has operated
Breaker 1 flashover element has operated
Breaker 1 flashover element phase A has dropped out
Breaker 1 flashover element phase B has dropped out
Breaker 1 flashover element phase C has dropped out
Breaker 1 flashover element has dropped out
Same set of operands as shown for BKR 1 FLSHOVR
Breaker arcing current 1 has operated
Breaker arcing current 1 has dropped out
Breaker arcing current 1 max interrupting current has operated
Breaker arcing current 1 max interrupting current has dropped out
Breaker arcing current 2 has operated
Breaker arcing current 2 has dropped out
Breaker arcing current 2 max interrupting current has operated
Breaker arcing current 2 max interrupting current has dropped out
Same set of operands as shown for BKR ARC 1
Breaker failure 1 re-trip phase A (only for 1-pole schemes)
Breaker failure 1 re-trip phase B (only for 1-pole schemes)
Breaker failure 1 re-trip phase C (only for 1-pole schemes)
Breaker failure 1 re-trip 3-phase
Breaker failure 1 timer 1 is operated
Breaker failure 1 timer 2 is operated
Breaker failure 1 timer 3 is operated
Breaker failure 1 trip is operated
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS

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