Name: Woodward GCP-30 Series
Brand: Woodward
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Manual 37278B GCP-30 Series - Genset Control

Page 64/174 © Woodward

Synchronization of the MCB [GCP-32]

The MCB will be synchronized with frequency and voltage correction if the following conditions are met simul-

taneously:

Automatic mode

• The operation mode AUTOMATIC has been selected

• One of the circuit breaker logics (Parameter 126) "PARALLEL" (mains parallel operation), "INTER-

CHANGE" (m

ains interchange (import/export) real power control) or "CLOSED TRANSIT." (make-before-

break/overlap synchronization) has been selected

• No class F2 or F3 alarms are present

• The busbar has been energized (the control measures a voltage)

• The mains voltage is present and within the permissible limits

• The engine is running and the generator voltage and frequency are within the permissible limits

• The discrete input "Reply: GCB is open" has not been enabled (the GCB is closed)

• The discrete input "Enable MCB" has been enabled;

• The rotating field of the generator and the mains voltages are identical and no alarms are displayed

Manual operation

• The operation mode MANUAL has been selected;

• One of the circuit breaker logics (Parameter 126) "PARALLEL" (mains parallel operation), "INTER-

CHANGE" (m

ains interchange (import/export) real power control) or "CLOSED TRANSIT." (make-before-

break/overlap synchronization) has been selected;

• No class F2 or F3 alarms are present;

• The busbar has been energized (the control measures a voltage);

• The mains voltage is present and within the permissible limits;

• The engine is running and the generator voltage and frequency are within the permissible limits;

• The discrete input "Reply: GCB is open" has not been enabled (the GCB is closed);

• The discrete input "Enable MCB" has been enabled;

• The push-button "MCB ON" has been pressed;

• Load test: On termination of the load test (circuit breaker logics (Parameter 126) "INTERCHANGE" (mains

nterchange (import/export) real power control) or "CLOSED TRANSIT." (make-before-break/overlap syn-

chronization), the GCB is opened;

• The rotating field of the generator and the mains voltages are identical (and no alarms are displayed);

Woodward GCP-30 Series Configuration

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