HGM9520N Genset Paralleled Controller User Manual Page 16 of 111
7)
Generator is placed into its standby mode after its “after stop delay”;
4.5
MANUAL START/STOP OPERATION
1.
MANUAL START: Manual mode is selected by pressing the
button; a LED beside the button
will be illuminated to confirm the operation; then press
button to start the gen-set; it can detect
crank disconnect condition automatically and generator accelerates to high-speed running
automatically. With high temperature, low oil pressure, over speed and abnormal voltage during
generator running, controller can protect genset to stop quickly. Press
to control switch
close/open. (please refer to No.3~8 of
Automatic Start Sequence
for detailed procedures, the only
difference is switch close and open way.)
2.
MANUAL STOP: Press
and it can shut down the running generators. (Please refer to No.2~7
of
Automatic Stop Sequence
for detailed procedures).
NOTE
: In “manual mode”, for the procedures of ATS please refer to
Genset
Switch Control Procedures
in this manual.
4.6
GENSET SWITCH CONTROL PROCEDURES
4.6.1
MANUAL CONTROL PROCEDURE
When controller is in
Manual
mode, the switch control procedures will start through manual control
procedure. Users can control the loading transfer of ATS via pressing button to switch on or off.
Gen Breaker Close Operation:
During genset normal running, press gen close key
if generator
voltage and frequency have reached on-load requirements.
—
When Mains is not closed, it directly issues Gen close signal;
—
When Mains is closed, controller will control GOV and AVR to synchronize genset and Mains; when
synchronization conditions are met, it issues gen close signal and parallel genset with Mains.
Gen Breaker Open Operation:
Press gen open
button
,
—
When Mains is not closed, controller issues gen open signal directly;
—
When Mains is closed, controller first transfers the load to Mains, and then issues gen open signal;
Mains Breaker Close Operation:
Press Mains close button
,
—
When Gen is not closed, it issues Mains close signal directly;
—
When Gen is closed, controller will control GOV and AVR to synchronize genset and Mains; when
synchronization conditions are met, it issues Mains close signal and parallel genset with Mains.
Mains Breaker Open Operation:
Press Mains open button
,
—
When Gen is not closed, it issues Mains open signal directly;
—
When Gen is closed, controller will first transfer the load to Gen, then issues Mains open signal.
