AC24/30/36 Operations Manual....
31
6.3.2 Systems Equipped With The Seamless Transfer Option
The generator must be started and be prepared to accept the yacht’s electrical loads.
Measure the generator voltage using the converter’s metering display, selecting the GENERATOR
POWER (3) function. The voltage and frequency must be the same as the converter’s output in
order for the seamless transfer option to successfully transfer power. The SHORE POWER LED
(7A) must be lit at this time.
When the generator is ready to accept the yacht’s loads, press the SHIP’S POWER -
GENERATOR button (12). In dual-generator installations, a display will appear requesting that the
appropriate generator be selected via the F1 and F2 (13) buttons. In single-generator installations,
the transfer will proceed. The converter will match the generator in frequency, voltage, and phase
over a several second period. When the power forms are matched, the converter will close the
generator circuit breaker, then open the converter output contactor, with both briefly operating in
parallel. The SHIP’S POWER - CONVERTER LED (9A) should now be off, and the SHIP’S
POWER - GENERATOR LED (12A) should now be lit.
With the yacht’s loads now being serviced by the generator, the converter may be shut down. Press
the CONVERTER POWER OFF button (11). The red OFF LED (11A) should now be lit. The
converter is now in the standby state.
Next press the SHORE POWER OFF button (10). The red OFF LED (10A) should now be lit, and
the converter will begin an orderly shutdown. The complete shutdown process will take about 10
seconds. The converter power metering display, if observed during the process, will indicate a slow
decay in the output voltage to zero. Rotate the disconnect switch (14) to the OFF position. The
system is now off and power can be removed from the equipment.
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