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b) If bus has voltage or other gensets are already closed, the controller will adjust speed and voltage through
GOV and AVR to synchronize the gensets to the bus; when synchronism requirements has been achieved,
breaker close signal will be initiated and the genset will be paralleled to the bus. Once they are paralleled,
the controller will control the generator to gradually accelerate and share load with other paralleled
gensets.
Opening operation: Press
1)
In case of single unit running, the controller sends open breaker signal.
2)
During parallel operation, controller first transfers load to other generators, and then sends an opening
signal.
5.6.2
AUTO CONTROL PROCEDURE
When controller is in auto mode, the switch control procedure is automatic control procedure.
NOTE: The auxiliary close input should be configured necessarily and make sure the connection is correct.
HGM9510 Genset Parallel Controller User Manual
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Page 20 of 68
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