Woodward GCP-30 Series User Manual

Manual 37365A GCP-30 Series Packages - Genset Control
Page 44/179 © Woodward
Three-Position Controller (XPD; BPQ, XPQ: Setting 'THREESTEP')
Parameter 58
Volt.controller
dead band 00.0%
Voltage controller: dead band 00.1 to 15.0 %
L This value refers to the rated system voltage (Parameter 17).
Isolated operation The generator voltage is controlled in such a manner that the
measured voltage does not deviate from the configured set point by
more than the value configured in this parameter without the control-
ler issuing a voltage raise/lower signal to the voltage regulator. This
prevents unneeded wear on the voltage bias output control or the
raise/lower relay contacts.
Synchronization The generator voltage is controlled in such a manner that the
measured voltage does not deviate from the monitored reference
(mains or busbar) voltage by more than the value configured in this
parameter without the controller issuing a voltage raise/lower signal
to the voltage regulator. This prevents unneeded wear on the voltage
bias output control or the raise/lower relay contacts. The value confi-
gured for this parameter must be less than the value configured for
the dV max (maximum voltage differential) for synchronization.
Parameter 59
Volt.controller
time pulse>000ms
Voltage controller: minimum voltage 20 to 250 ms
When "V/Q contr.type" (Parameter 57) has been configured as THREESTEP, a
minimum pulse on time must be configured. The shortest possible pulse time
should be configured to limit overshoot of the desired speed reference point.
Parameter 60
Volt.controller
gain Kp 00.0
Voltage controller: gain 0.1 to 99.9
The gain factor K
p
influences the operating time of the relays. By increasing the
number configured in this parameter, the operating time of the relay will be in-
creased in response to a deviation from the power factor reference. By increasing
t
he gain, the response is increased to permit larger corrections to the variable to be
controlled. The farther out of tolerance the process is the larger the response action
is to return the process to the tolerance band. If the gain is configured too high, the
result is excessive overshoot/undershoot of the desired value.

Woodward GCP-30 Series Specifications

General

Brand	Woodward
Model	GCP-30 Series
Category	Controller
Language	English