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Manual 37278B GCP-30 Series - Genset Control

Open Breaker

Open GCB

The GCB will be opened both when the relay "Command: GCB close" de-energizes (only if "continuous pulse"

has been configured; Parameter 130), and relay "Command: GCB open" is energized. The GCB will be opened

under t

he following circumstances:

• If a mains failure is detected and the mains decoupling is configured to the GCB (Parameter 159 or Para-

eter 160 depending on control unit)

• In the operation mode STOP

• If a class F2 or F3 alarm is present

• Upon pressing the push-button "GCB OFF" or [GCP-32] "MCB ON" (depending on the breaker logic which

has been configured) in operation mode MANUAL

• Upon pressing the push-button "STOP" in operation mode MANUAL

• Upon pressing the push-button "GCB OFF" or [GCP-32] "MCB ON" (depending on the breaker logic which

has been configured) in operation mode LOAD TEST

• In the event of an automatic stopping in the operation mode AUTOMATIC

• [GCP-32] following the "CLOSED TRANSIT." (

make-before-break/overlap synchronization) of the MCB

• [GCP-32] before the MCB is closed to the dead busbar in the case of the breaker logic "OPEN TRANSIT."

(break-before-make/changeover)

• In critical mode/sprinkler operation, provided that no emergency power operation is present

• [GCP-32] following the "INTERCHANGE" (mains interchange (import/export) real power control) of the

MCB

Open MCB [GCP-32]

The MCB will be opened via closing the relay "Command: MCB open" (configuration of "continuous pulse" is

not possible for the MCB). The MCB will be opened under the following circumstances:

• If a mains monitoring triggers and the mains decoupling is configured to EXT (Parameter 160)

•

If emergency power (AMF) is enabled (mains failure)

• following the "CLOSED TRANSIT." (

make-before-break/overlap synchronization) of the GCB

• Before the GCB is closed to the dead busbar in the case of the breaker logic "OPEN TRANSIT." (break-

before-make/changeover)

• Upon pressing the push-button "MCB OFF" or "GCB ON" (depending on the breaker logic which has been

configured) in operation mode MANUAL

• Upon pressing the push-button "MCB OFF" or "GCB ON" (depending on the breaker logic which has been

configured) in operation mode LOAD TEST

• Following the soft loading (interchange synchronization) of the MCB

Woodward GCP-30 Series Configuration

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