GE 850 Instruction Manual page 441

Feeder protection system/feeder protection and control
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CHAPTER 4: SETPOINTS
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850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
Synchrocheck and/or dead source check is not needed, supervision can be bypassed. If
the Synchrocheck function is not selected in the order code, this setting would be hidden
and defaulted to Bypass.
If the supervision is not bypassed and UF Restore is applied for an application where the
breaker is located on radial feeders, or line is powered by one source only, the DEAD
SOURCE PERM setpoint from the Synchrocheck menu must not be disabled.
A Synchrocheck supervised UF Restore CLOSE command is sent directly to output #2. For
other outputs, logic has to be created for supervision as required.
BLOCK
Range: Off, Any operand from the list of FlexLogic operands
Default: Off
OUTPUT RELAY
Range: Do Not Operate, Operate
Default: Do Not Operate
EVENTS
Range: Disabled, Enabled
Default: Enabled
TARGETS
Range: Disabled, Self-reset, Latched
Default: Self-reset
CONTROL
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