Woodward GCP-20 Series User Manual

Manual 37128A GCP-20 Series - Genset Control
© Woodward Page 107/190
Connect Time Monitoring (With Induction/Asynchronous Generators Only)
If Parameter 127 is configured to "ON", closing time monitoring is performed: A timer is started when the clos-
ing of the GCB is initiated following the termination of the delayed engine monitoring. If the breaker has not
closed following the expiration of the configured time, an F1 alarm message is issued.
Parameter 127
Conn.time contr.
ON
Breaker close time monitoring ON/OFF
ON................ Connect time monitoring is carried out. The subsequent screen of this
function is displayed.
OFF.............. Unsuccessful connection is not monitored. The subsequent screen of
this function is not displayed.
Parameter 128
Conn.time contr.
Delay time 000s
Delay of breaker close time monitoring 2 to 999 s
When the closing of the GCB is initiated, a timer is started. If the GCB has not
closed before the expiration of the timer, a warning message "Connect time GCB"
is issued. A further attempt is made to connect the power circuit breaker. The relay
assigned relay manager function 16 (GCB) and/or 70 (MCB) is energized.
Issuing of class F1 alarm
Breaker Monitoring
Upon CLOSING - If "GCB monitoring" (Parameter 129) and/or "MCB monitoring" (Parameter 130) have been
configured "ON", GCB and/or MCB monitoring is performed (exception: the breaker logic is configured
"EXTERNAL" (
Parameter 104). If the breaker cannot be closed after five attempts, a class F1 alarm is issued.
Upon OPENING - When opening a circuit breaker an open pulse is issued. If a reply is detected 2 seconds after
the open pulse was issued that the MCB or GCB has not opened, an class F1 alarm message is issued.
Parameter 129
Supervision GCB
ON
GCB monitoring ON/OFF
ON................ Monitoring of the GCB is performed except when the breaker logic
is configured as "EXTERNAL". If the breaker cannot be closed after
five attempts, an alarm message is issued. The relay with the parame-
ter 74 is energized. Following the issuing of the alarm message, fur-
ther attempts are made to close the GCB. If load sharing has been en-
abled (
Parameter 77), the closing command to the breaker is
cancelled if an alarm is issued so that another control may close its
breaker. If a "Reply: GCB is open" message is not detected 2 seconds
after a "Command: open GCB" pulse is issued, an alarm message is
issued. The relay with the parameter 74 is energized.
Issuing of class F1 alarm
OFF.............. No GCB monitoring is performed.

Woodward GCP-20 Series Specifications

General

Brand	Woodward
Model	GCP-20 Series
Category	Control Unit
Language	English