Woodward GCP-30 Series User Manual

Manual 37365A GCP-30 Series Packages - Genset Control
© Woodward Page 9/179
Chapter 2.
Function
Considerations To Be Taken:
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
Different Options
Depending how a control unit is configured, different parameters will be displayed and only the relevant parame-
ters will be able to be accessed:
• Various inputs and outputs will be present or deleted, corresponding to the control configuration (depending
on the ordered package). Please refer to the wiring diagram and the notes regarding the packages contained in
these. The control inputs and outputs will vary by the specific package ordered. Refer to the wiring diagram
and notes that correspond to them.
• Specific display screens correspond to specific types of interfaces.
Systems Without a Mains Circuit Breaker
If a control with 2-circuit-breaker logic [GCP-32] or 1-circuit-breaker logic [GCP-31] is installed for use with
one circuit breaker, the following shall apply:
• If the control unit is to be operated in an isolated or an isolated parallel application (the MCB is opened), the
following terminals must be energized/de-energized:
- "Reply: MCB is open" / "Isolated operation" (terminal 54): energized (logical "1")
- "Enable MCB" (terminal 53): de-energized (logical "0")
- Condition: Parameter 137 "Emergency power" must be configured as "OFF".
•
If the control unit is to be operated in a mains parallel application (the MCB always is closed if the generator
operates in mains parallel), the following terminals must be energized/de-energized:
- "Reply: MCB is open" / "Isolated operation" (terminal 54): de-energized (logical "0")
- "Enable MCB" (terminal 53): energized (logical "1")
• If the control unit is to be operated in an isolated parallel as well as a mains parallel application (the MCB can
be opened or closed), the following terminals must be energized/de-energized:
- "Reply: GCB is open" (terminal 4): de-energized (logical "0")
- "Reply: MCB is open" (terminal 54): de-energized (logical "0")
- "Enable MCB" (terminal 53): energized (logical "1")
Case A - The MCB must remain closed (except during an emergency power operation):
Terminal 53 must be
energized.
Case B - The MCB can be opened (except during an emergency power operation):
If a mains parallel opera-
tion is to be initiated, terminal 53 must be energized to initiate synchronization of the MCB. During the syn-
chronization of the MCB (GCP-31: This is performed by an LS-4 or external control) the generator frequency
is increased to a level slightly higher than the mains frequency (df max/2). A message is shown in the LC dis-
play that the unit is synchronizing. If the system is to be disconnected from the mains and operated in an isl-
and mode, terminal 53 must be de-energized.

Woodward GCP-30 Series Specifications

General

Brand	Woodward
Model	GCP-30 Series
Category	Controller
Language	English