GE L90 Instruction Manual page 366

FLEXLOGIC
Operand type
ELEMENT:
Disconnect switch
ELEMENT:
Synchrocheck
5
ELEMENT:
Thermal overload
protection
ELEMENT:
Trip output
ELEMENT:
Trip bus
ELEMENT:
Underfrequency
ELEMENT:
Volts per hertz
5-180
Operand syntax
SWITCH 1 OFF CMD
SWITCH 1 ON CMD
SWITCH 1 CLOSED
SWITCH 1 OPEN
SWITCH 1 DISCREP
SWITCH 1 TROUBLE
SWITCH 1 ΦA CLSD
SWITCH 1 ΦA OPEN
SWITCH 1 ΦA BAD ST
SWITCH 1 ΦA INTERM
SWITCH 1 ΦB CLSD
SWITCH 1 ΦB OPEN
SWITCH 1 ΦB BAD ST
SWITCH 1 ΦB INTERM
SWITCH 1 ΦC CLSD
SWITCH 1 ΦC OPEN
SWITCH 1 ΦC BAD ST
SWITCH 1 ΦC INTERM
SWITCH 1 BAD STATUS
SWITCH 2 to 24
SYNC1 DEAD S OP
SYNC1 DEAD S DPO
SYNC1 SYNC OP
SYNC1 SYNC DPO
SYNC1 CLS OP
SYNC1 CLS DPO
SYNC1 V1 ABOVE MIN
SYNC1 V1 BELOW MAX
SYNC1 V2 ABOVE MIN
SYNC1 V2 BELOW MAX
SYNC1 S-CLOSE OP
SYNC1 S-CLOSE OP DPO
SYNC1 S-CLOSE ARMD
SYNC 2 to 10
THERMAL PROT 1 PKP
THERMAL PROT 1 OP
THERMAL PROT 2
TRIP 3-POLE
TRIP 1-POLE
TRIP PHASE A
TRIP PHASE B
TRIP PHASE C
TRIP AR INIT 3-POLE
TRIP FORCE 3-POLE
TRIP OUTPUT OP
TRIP Z2PH TMR INIT
TRIP Z2GR TMR INIT
TRIP BUS 1 PKP
TRIP BUS 1 OP
TRIP BUS 2 to 6
UNDERFREQ 1 PKP
UNDERFREQ 1 OP
UNDERFREQ 1 DPO
UNDERFREQ 2 to 6
VOLT PER HERTZ 1 PKP
VOLT PER HERTZ 1 OP
VOLT PER HERTZ 1 DPO
Operand description
Disconnect switch 1 open command initiated
Disconnect switch 1 close command initiated
Disconnect switch 1 is closed
Disconnect switch 1 is open
Disconnect switch 1 has discrepancy
Disconnect switch 1 trouble alarm
Disconnect switch 1 phase A is closed
Disconnect switch 1 phase A is open
Disconnect switch 1 phase A bad status is detected (discrepancy between
the 89/a and 89/b contacts)
Disconnect switch 1 phase A intermediate status is detected (transition from
one position to another)
Disconnect switch 1 phase B is closed
Disconnect switch 1 phase B is open
Disconnect switch 1 phase B bad status is detected (discrepancy between
the 89/a and 89/b contacts)
Disconnect switch 1 phase B intermediate status is detected (transition from
one position to another)
Disconnect switch 1 phase C is closed
Disconnect switch 1 phase C is open
Disconnect switch 1 phase C bad status is detected (discrepancy between
the 89/a and 89/b contacts)
Disconnect switch 1 phase C intermediate status is detected (transition from
one position to another)
Disconnect switch 1 bad status is detected on any pole
Same set of operands as shown for SWITCH 1
Synchrocheck 1 dead source has operated
Synchrocheck 1 dead source has dropped out
Synchrocheck 1 in synchronization has operated
Synchrocheck 1 in synchronization has dropped out
Synchrocheck 1 close has operated
Synchrocheck 1 close has dropped out
Synchrocheck 1 V1 is above the minimum live voltage
Synchrocheck 1 V1 is below the maximum dead voltage
Synchrocheck 1 V2 is above the minimum live voltage
Synchrocheck 1 V2 is below the maximum dead voltage
Synchrocheck 1 S-CLOSE has operated
Synchrocheck 1 S-CLOSE has dropped out
Synchrocheck 1 S-CLOSE has been armed
Same set of operands as shown for SYNC 1
Thermal overload protection 1 picked up
Thermal overload protection 1 operated
Same set of operands as shown for THERMAL PROT 1
Trip all three breaker poles
A single-pole trip-and-reclose operation is initiated
Trip breaker pole A, initiate phase A breaker fail and reclose
Trip breaker pole B, initiate phase B breaker fail and reclose
Trip breaker pole C, initiate phase C breaker fail and reclose
Initiate a three-pole reclose
Three-pole trip must be initiated
Any trip is initiated by the trip output
Phase distance zone 2 timer is initiated by the trip output
Ground distance zone 2 timer is initiated by the trip output
Asserted when the trip bus 1 element picks up
Asserted when the trip bus 1 element operates
Same set of operands as shown for TRIP BUS 1
Underfrequency 1 has picked up
Underfrequency 1 has operated
Underfrequency 1 has dropped out
Same set of operands as shown for UNDERFREQ 1
The volts per hertz element 1 has picked up
The volts per hertz element 1 has operated
The volts per hertz element 1 has dropped out
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS