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交流同步電動機

電機車閉鎖裝置的作用

發(fā)布日期:2022-04-17 點擊率:46

   ①換向手把在斷開位置或取下?lián)Q向手把,凸輪接觸器保持零位,不能轉(zhuǎn)動。
②換向接觸器處于某一工作位置,即“前進”或“后退”位置時,凸輪接觸器才能轉(zhuǎn)動。
③凸輪接觸器工作時,換向接觸器不能轉(zhuǎn)動。
④當(dāng)換向接觸器處在單一電動機工作時,凸輪接觸器不能轉(zhuǎn)動到制動和并聯(lián)位置。

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