GE L90 Instruction Manual page 237

L90 line current differential system ur series
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5 SETTINGS
The operands available for this relay are listed alphabetically by types in the following table.
Table 5–8: L90 FLEXLOGIC™ OPERANDS (Sheet 1 of 9)
OPERAND TYPE
OPERAND SYNTAX
CONTROL
CONTROL PUSHBTN 1 ON
PUSHBUTTONS
CONTROL PUSHBTN 2 ON
CONTROL PUSHBTN 3 ON
CONTROL PUSHBTN 4 ON
CONTROL PUSHBTN 5 ON
CONTROL PUSHBTN 6 ON
CONTROL PUSHBTN 7 ON
ELEMENT:
50DD SV
50DD supervision
ELEMENT:
87L DIFF OP
87L current
87L DIFF OP A
differential
87L DIFF OP B
87L DIFF OP C
87L DIFF RECVD DTT A
87L DIFF RECVD DTT B
87L DIFF RECVD DTT C
87L DIFF KEY DTT
87L DIFF PFLL FAIL
87L DIFF CH ASYM DET
87L DIFF CH1 FAIL
87L DIFF CH2 FAIL
87L DIFF CH1 LOSTPKT
87L DIFF CH2 LOSTPKT
87L DIFF CH1 CRCFAIL
87L DIFF CH2 CRCFAIL
87L DIFF CH1 ID FAIL
87L DIFF CH2 ID FAIL
87L DIFF GPS FAIL
87L DIFF 1 MAX ASYM
87L DIFF 2 MAX ASYM
87L DIFF 1 TIME CHNG
87L DIFF 2 TIME CHNG
87L DIFF GPS 1 FAIL
87L DIFF GPS 2 FAIL
87L DIFF BLOCKED
ELEMENT:
87L TRIP OP
87L differential trip
87L TRIP OP A
87L TRIP OP B
87L TRIP OP C
87L TRIP 1P OP
87L TRIP 3P OP
ELEMENT:
AR ENABLED
Autoreclose
AR DISABLED
(1P/3P)
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 ZONE 1 EXTENT
AR INCOMPLETE SEQ
AR RESET
ELEMENT:
AUX OV1 PKP
Auxiliary
AUX OV1 DPO
overvoltage
AUX OV1 OP
AUX OV2 to AUX OV3
GE Multilin
OPERAND DESCRIPTION
Control pushbutton 1 is being pressed
Control pushbutton 2 is being pressed
Control pushbutton 3 is being pressed
Control pushbutton 4 is being pressed
Control pushbutton 5 is being pressed
Control pushbutton 6 is being pressed
Control pushbutton 7 is being pressed
Disturbance detector has operated
At least one phase of current differential is operated
Phase A of current differential has operated
Phase B of current differential has operated
Phase C of current differential has operated
Direct transfer trip phase A has been received
Direct transfer trip phase B has been received
Direct transfer trip phase C has been received
Direct transfer trip is keyed
Phase and frequency lock loop (PFLL) has failed
Channel asymmetry greater than 1.5 ms detected
Channel 1 has failed
Channel 2 has failed
Exceeded maximum lost packet threshold on channel 1
Exceeded maximum lost packet threshold on channel 2
Exceeded maximum CRC error threshold on channel 1
Exceeded maximum CRC error threshold on channel 2
The ID check for a peer L90 on channel 1 has failed
The ID check for a peer L90 on channel 2 has failed
The GPS signal failed or is not configured properly at any terminal
Asymmetry on channel 1 exceeded preset value
Asymmetry on channel 2 exceeded preset value
Change in round trip delay on channel 1 exceeded preset value
Change in round trip delay on channel 2 exceeded preset value
GPS failed at remote terminal 1 (channel 1)
GPS failed at remote terminal 1 (channel 2)
The 87L function is blocked due to communication problems
At least one phase of the trip output element has operated
Phase A of the trip output element has operated
Phase B of the trip output element has operated
Phase C of the trip output element has operated
Single-pole trip is initiated
Three-pole trip is initiated
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
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
L90 Line Current Differential System
5.5 FLEXLOGIC™
5
5-101

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