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三相異步電動(dòng)機空載電流不平衡的原因及解決方法

發(fā)布時(shí)間:??2021-07-26
分類(lèi)：行業(yè)資訊
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訪(fǎng)問(wèn)量：4212

三相異步電動(dòng)機運行時(shí)，有時(shí)會(huì )出現空載電流不均勻、差值大等故障。為什么是這樣的錯？三相異步電動(dòng)機出現這樣的故障時(shí)，如何解決？下面，邊肖將帶你了解三相異步電動(dòng)機空載電流不平衡的原因及解決方法。

1.當三相異步電動(dòng)機的電源電壓不平衡時(shí)，應測量此時(shí)電動(dòng)機的電源電壓，找出原因，排除故障。

2.三相異步電動(dòng)機繞組端到端接線(xiàn)錯誤時(shí)：找出端到端接線(xiàn)；修正后重新啟動(dòng)電動(dòng)機試驗。

3.當三相異步電動(dòng)機重繞或三相繞組匝數不均勻時(shí)，解決辦法是校正繞組重繞。

4.三相異步電動(dòng)機繞組有故障時(shí)，如匝間短路、某組線(xiàn)圈反接等。我們應該拆開(kāi)電機檢查電機的繞組極性，找出故障原因，然后糾正或消除故障。

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