GE Multilin 850 Instruction Manual page 543

Feeder protection system
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CHAPTER 4: SETPOINTS
ELEMENT
OPERANDS
Tab Pushbuttons
TAB PB [X] ON
TAB PB [X] OFF
TAB PB [X] PRESS
Thermal Overload
Thermal 1 Alarm A
Thermal 1 Alarm B
Thermal 1 Alarm C
Thermal 1 Alarm
Thermal 1 PKP A
Thermal 1 PKP B
Thermal 1 PKP C
Thermal 1 PKP
Thermal 1 OP A
Thermal 1 OP B
Thermal 1 OP C
Thermal 1 OP
Thermal 2 Alarm A
Thermal 2 Alarm B
Thermal 2 Alarm C
Thermal 2 Alarm
Thermal 2 PKP A
Thermal 2 PKP B
Thermal 2 PKP C
Thermal 2 PKP
Thermal 2 OP A
Thermal 2 OP B
Thermal 2 OP C
Thermal 2 OP
Timed Undervoltage
Timed UV PKP
Timed UV PKP A
Timed UV PKP B
Timed UV PKP C
Timed UV OP
Timed UV OP A
Timed UV OP B
Timed UV OP C
Timed UV Curve OP
Timed UV Cnt OP
Trip Bus
Trip Bus 1 PKP
Trip Bus 1 OP
Trip Bus 2 to 6
Trip Circuit Monitoring
TripCoil Mon 1 PKP
TripCoil Mon 1 OP
Undercurrent
Undercur[X] Alarm PKP
Undercur[X] Alarm OP
Undercur[X] Trip PKP
Undercur[X] Trip OP
Undervoltage Restoration UV Restore Init
Ph UV Restore PKP
Ph UV Restore OP
Aux UV Restore PKP
Aux UV Restore OP
Underfrequency
UF Restore PKP
Restoration
UF Restore OP
UF Restore Init
UnderFrequency
Underfreq 1 PKP
Underfreq 1 OP
Underfreq 2 to 4
UV Reactive Power
UV Var PKP
UV Var OP
UV Var Restore
Virtual Input 1 to 32
VI # ON
VI # OFF
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
EVENT DESCRIPTION
Tab Pushbutton [X] is ON
Tab Pushbutton [X] is OFF
Tab Pushbutton [X] is Pressed Down
Phase A of thermal overload 1 produced alarm
Phase B of thermal overload 1 produced alarm
Phase C of thermal overload 1 produced alarm
At least one phase of thermal overload 1 produced alarm
Phase A of thermal overload 1 has picked up
Phase B of thermal overload 1 has picked up
Phase C of thermal overload 1 has picked up
At least one phase of thermal overload 1 has picked up
Phase A of thermal overload 1 has operated
Phase B of thermal overload 1 has operated
Phase C of phase thermal overload 1 has operated
At least one phase of thermal overload 1 has operated
Phase A of thermal overload 2 produced alarm
Phase B of thermal overload 2 produced alarm
Phase C of thermal overload 2 produced alarm
At least one phase of thermal overload 2 produced alarm
Phase A of thermal overload 2 has picked up
Phase B of thermal overload 2 has picked up
Phase C of thermal overload 2 has picked up
At least one phase of thermal overload 2 has picked up
Phase A of thermal overload 2 has operated
Phase B of thermal overload 2 has operated
Phase C of phase thermal overload 2 has operated
At least one phase of thermal overload 2 has operated
At least one phase of the Timed Undervoltage curve has picked up
Phase A of Timed Undervoltage has picked up
Phase B of Timed Undervoltage has picked up
Phase C of Timed Undervoltage has picked up
Timed Undervoltage has operated
Phase A of Timed Undervoltage has operated
Phase B of Timed Undervoltage has operated
Phase C of Timed Undervoltage has operated
At least one phase of Timed Undervoltage curve has operated
Timed Undervoltage counter has operated
Asserted when the trip bus 1 element picks up
Asserted when the trip bus 1 element operates
The same set of operands as per Trip Bus 1
Trip Coil 1 Monitoring element has picked up.
Trip Coil 1 Monitoring element has operated for an amount of time greater
than the Close Circuit Monitor Pick-up Delay Time.
Undercurrent[X] Alarm has picked up.
Undercurrent[X] Alarm has operated.
Undercurrent[X] Trip has picked up.
Undercurrent[X] Trip has operated.
Undervoltage restoration element has been initiated
Phase voltage of undervoltage restoration has element picked up
Phase voltage of undervoltage restoration element has operated
Auxiliary voltage of undervoltage restoration has element picked up
Auxiliary voltage of undervoltage restoration element has operated
Under-frequency restoration has element picked up
Under-frequency restoration element has operated
Under-frequency restore initiate flag is high
Underfrequency 1 has picked up
Underfrequency 1 has operated
The same set of operands as per Underfreq 1
UV Reactive Power Trip has picked up
UV Reactive Power Trip has operated
Circuit breaker re-closing command is asserted
# – any virtual input number
FLEXLOGIC
4–411

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