Primary electrical power is provided by two engine driven generators which supply three-phase, 115 volt 400 cycle alternating current.

主电力是由两个发动机驱动发电机供应三相，115伏400周期交流电。

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Vsually we measure linking groups of three phase transformer in alternating current method.

三相变压器联接组的测定通常采用交流法。

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It provides a method for the untouched switch Control for three - phase alternating current motor.

为大功率三相交流电机的无触点控制提供一种方法。

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Although they have not been found to cause any harm, the cables on conventional pylons, which transmit a three-phase alternating current, generate a strong electric field and a continuous buzz of low-frequency radio waves.

ECONOMIST: Monitor