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什么(me)叫有功(gong)功(gong)率,什么(me)叫无功(gong)功(gong)率?

有功(gong)(gong)(gong)功(gong)(gong)(gong)率指的是(shi)能使负载(zai)做(zuo)功(gong)(gong)(gong)的功(gong)(gong)(gong)率,比(bi)如使灯泡发(fa)光,使电路工作(zuo)等(deng)等(deng)。做(zuo)功(gong)(gong)(gong)后又完全变成(cheng)热量散发(fa)到大(da)气中(zhong),一去不复返(fan)。无功(gong)(gong)(gong)功(gong)(gong)(gong)率指的是(shi)储(chu)存在储(chu)能装置(器件)中(zhong)的功(gong)(gong)(gong)率,它可以转化为有功(gong)(gong)(gong)功(gong)(gong)(gong)率。


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本文标题:什么叫有功功率,什么叫无功功率?

本文作者:山特ups 上一篇:为什么UPS的容量用VA表示?这叫什么功率? 下一篇:UPS效率的定义是什么?它代表什么?和功率因数是一回事吗?