With the elevation of the power factor, reactive power on stator descends gradually, so the aim of saving energy and reducing wastage can come true.
电机功率因数的提高，定子侧的无功功率逐渐下降，从而达到了节能降耗的设计目标。
The reason is that Drum welding machines require a large amount of 'reactive power' in addition to the 'true power' required to make the weld.
其理由是桶焊机除了需要产生缝焊的实际功率之外，还需要大量的无效功率。
The reason is that Drum welding machines require a large amount of 'reactive power' in addition to the 'true power' required to make the weld.
其理由是桶焊机除了需要产生缝焊的实际功率之外，还需要大量的无效功率。
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