Name
Range
Step
Default
Integrator sum when voltage adjustment pulse is generated
0.00...50.00%
0.01%
10.00%
Voltage adjustment pulse length constant
0.00...5000.00
0.01
1000.00
Maximum allowed frequency difference to start synchronizing
0.00...25.00Hz
0.01Hz
5.00Hz
Integrator sum when frequency adjustment pulse is generated
0.00...50.00Hz
0.01Hz
1.00Hz
Frequency adjustment pulse length constant
0.00...5000.00
0.01
1000.00
Filter time for angle derivative
0.000...1800.000s
0.005s
1.000s
Circuit breaker pre-closing adjustment constant
0.00...10.00
0.01
0.10
Function blocking
The block signal is checked in the beginning of each program cycle. The blocking signal is received
from the blocking matrix in the function's dedicated input. If the blocking signal is not activated when
the pick-up element activates, a BREAKER CLOSE PULSE signal is generated and the function
proceeds to the time characteristics calculation.
If the blocking signal is active when the pick-up element activates, a BLOCKED signal is generated and
the function does not process the situation further.
The blocking of the function causes an HMI display event and a-time stamped blocking event with
information of the startup voltage values and its fault type to be issued.
The blocking signal can also be tested in the commissioning phase by a software switch signal when
the relay's testing mode "Enable stage forcing" is activated (
General
→
Device).
The variables the user can set are binary signals from the system. The blocking signal needs to reach
the device minimum of 5 ms before the set operating delay has passed in order for the blocking to
activate in time.
Events
The synchronizing function (abbreviated "GSYN" in event block names) generates events and registers
from the status changes in the following: VOLTAGE MAG/FREQ/ANG DIFFERENCE OK, RUNNING,
DECREASE/INCREASE VOLTAGE/FREQUENCY, BREAKER CLOSE PULSE, LONG SYNC TIME, and
BLOCKED. The user can select which event messages are stored in the main event buffer: ON, OFF, or
both.
Table. 5.5.9 - 285. Event messages.
Event block name
Event names
GSYN
Synchronizing Blocked ON
GSYN
Synchronizing Blocked OFF
GSYN
Synchronizing Running ON
GSYN
Synchronizing Running OFF
GSYN
Synchr. Increase Voltage ON
GSYN
Synchr. Increase Voltage OFF
GSYN
Synchr. Decrease Voltage ON
GSYN
Synchr. Decrease Voltage OFF
GSYN
Synchr. Increase Frequency ON
Genera
Generattor Commander
or Commander
Instruction manual
Version: 2.07
© Arcteq Relays Ltd
IM00001
355
Summary of Contents for Generator Commander
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