The unit can be started with the breaker or switch opened using the generator step-up transformer as a source of off-site power.
机组可在断路器或负荷开关打开时，采用发电机升压变压器作为一种非本电厂电源来起动。
Because Marine power system takes diesel engine generator system as power source, it's necessary to launch a deeper research for diesel generator system.
由于船舶电力系统主要使用柴油发电机组发电，因而有必要对船舶柴油发电机系统进行深入的研究。
It's significant to study the regulation of active power of three-phase synchronous generator by way of the alternating power source of three-phase industrial frequency.
三相同步发电机作为三相工业频率的交流电源，研究其有功功率调节具有重要意义。
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