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電(dian)子扇(shan)(shan)(shan)馬達電(dian)機電(dian)子風扇(shan)(shan)(shan)的工(gong)作原理是汽車電(dian)子風扇(shan)(shan)(shan)由恒(heng)溫(wen)器(qi)(qi)控(kong)制。當水(shui)溫(wen)上升到上限時，溫(wen)控(kong)器(qi)(qi)接通電(dian)源(yuan)，風扇(shan)(shan)(shan)開始(shi)工(gong)作。當水(shui)溫(wen)降(jiang)至下限時，溫(wen)控(kong)器(qi)(qi)關閉電(dian)源(yuan)，風扇(shan)(shan)(shan)停止工(gong)作。功能是冷卻發(fa)動機水(shui)箱。
以(yi)下(xia)是電(dian)子風扇不轉的原因:
1。電機潤滑不良，電風扇(shan)不轉，安裝扇(shan)葉后無法(fa)拖動(dong)電機；
2、電(dian)機過熱(re)，電(dian)機過熱(re)還會造成(cheng)電(dian)機負載能力變差，電(dian)機有效功率變低，導(dao)致無法驅動(dong)負載；
3.當啟動(dong)電容(rong)容(rong)量變小(xiao)時，電容(rong)容(rong)量會變小(xiao)，導致電機啟動(dong)轉(zhuan)矩變小(xiao)，無法驅動(dong)負載；
4.電機使用(yong)時間(jian)過(guo)長(chang)。電風(feng)扇用(yong)久了(le)，電機會磨(mo)損，電機的軸套也容易燒壞(huai)。如果長(chang)時間(jian)使用(yong)電機，電機內阻也會增大，負載能力下降，導致無法(fa)帶動(dong)扇葉轉動(dong)。
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