GE MiCOM P40 Technical Manual page 766

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Table of Contents

Appendix B -Settings and Signals

Reset All Values

This column controls the circuit Breaker Control configuration

CB Control by

Selects the type of circuit breaker control to be used

Close Pulse Time

Set period during which the CB should close when a CB close command is issued.

Trip Pulse Time

Set period during which the CB should trip when a CB trip command is issued.

Man Close Delay

Set delay after operator controlled CB close sequence is initiated, before a CB close output can be issued. (Allows operator to retire to a place

of safety before the CB close command is issued).

CB Healthy Time

Maximum waiting time for input DDB: CB1 Healthy (= gas pressure OK, spring charged etc) to enable CB1 Close by manual control. Same

setting applies to DDB: CB2 Healthy to enable CB2 Close by manual control. If set time runs out with input DDB: CBx Healthy low (= 0), alarm

Control CBx Unhealthy is set and CB close sequence is cancelled.

Check Sync Time

Maximum waiting time for input signal CB1MSCOK from system check logic, to enable CB1 Close by manual control. Same setting applies to

input signal CB2MSCOK to enable CB2 Close by manual control. If set time runs out with input signal CBxMSCOK low (= 0), alarm Control CBx

NoChSync is set and CB close sequence is cancelled.

CB mon LO reset

Command to reset the CB monitoring Lockout Alarm

Rst CB mon LO by

Setting that determines if a lockout condition caused by CB monitoring conditions will be reset by a manual circuit breaker close command

or via the user interface.

CB mon LO RstDly

If Rst CB mon LO by is set to CB close then CB mon LO RstDly timer allows reset of CB lockout state after set time delay

Autoreclose Mode

Command to changes state of Auto-Reclose

Auto Reclose - Inservice / Out of service

CB Status Input

DEFAULT SETTING

No Operation

Local+Remote

Opto+Rem+local

[Indexed String]

From 0.1 to 10 in steps of 0.01