In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
变压器的空载试验中，由于功率因数低，空载电流不是正弦信号，高精度测量其有功功率具有一定的难度。
It can improve the power factor of the motor when it is under low load or no load running.
能提高电动机在轻载或空载时的功率因素。
It can improve the power factor of the motor when it is under low load or no load running.
能提高电动机在轻载或空载时的功率因素。
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