Woodward GCP-30 Series User Manual

Manual 37365A GCP-30 Series Packages - Genset Control
Page 72/179 © Woodward
Dead bus start of the MCB [GCP-32]
The MCB will close without synchronization when the following conditions are met:
Automatic mode
• The control has been placed in the AUTOMATIC operation mode
• "MCB dead bus start" (Parameter 129) has been configured as "ON"
•
The busbar is de-energized (the control does not measure voltage on the bus)
• The mains voltage is present and within the permissible limits
• The discrete input "Reply: GCB is open" is energized (the GCB is open)
• The discrete input "Enable MCB" is energized
Manual mode
• The control has been placed in the MANUAL operation mode
• The busbar is de-energized (the control does not measure voltage on the bus)
• The mains voltage is present and within the permissible limits
• The discrete input "Reply: GCB is open" is energized (the GCB is open)
• The discrete input "Enable MCB" is energized
• The "MCB ON" push button has been pressed
Operation mode STOP
• If "Enable MCB" (terminal 53) is energized and "Switch MCB in stop mode" (Parameter 135) is configured
as "YES", th
e MCB will close when all generators are in STOP mode
Disabled mains monitoring:
If the mains monitoring for over-/undervoltage (Parameter 184) or over-/underfrequency (Parameter 179) is dis-
ab
led, the control uses internally defined default limits for generator monitoring.
Mains monitors Voltage Frequency
ON Monitor values Monitor values
OFF V
Mains
> 85 % V
Rated
V
Mains
< 112.5 % V
Rate
d
f
Mains
> 90 % f
Rated
f
Mains
< 110 % f
Rate
d
Table 3-6: Limit values mains, dead bus start
The permissible limits refer to the respective rated values in the system, such as the system rated voltage (Para-
meter 17) and the system rated frequency (Parameter 9).

Woodward GCP-30 Series Specifications

General

Brand	Woodward
Model	GCP-30 Series
Category	Controller
Language	English