单选题
With No~1 and No~2 alternators running in parallel and the KW loads equally shared, one alternator is drawing much higher current than the other.What does this indicate?（）
发布日期：2021-03-22
The alternators are not generating the same voltages and should be adjusted on automatic voltage regulator rheostats
Alternator frequencies are different and should be adjusted on the governor speed controllers
Alternators are out of phase and should be tripped and paralleled again
One alternator has lost one of its phases
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