发布时间:2025-02-02 04:29:11
其实这两种接线都有采用的,即将自耦变中点短接,将中点的接触器用到80%或65%的抽头上。全压运行时,自耦变处在全部停电状态。喜欢这样用也完全没有问题。
但是要注意的是,接触器接在中性点上电流较小(等于电机电流减去电源供电电流),而接在自耦变抽头上的接触器流过的是电机电流。在抽头为85%时,这两个电流要相差6.5倍。所以中性点的接触器可以小些,抽头上的接触器就要选的大些。
新房装修这7样东西万万不能省钱,越贵越好,我家贪便宜吃好多亏
2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11考美国公民的指模打了已经三个月了还没通知面试而且现在又搬家 怕收不到信现在可以改地址吗
2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11 2025-02-02 04:29:11