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洗衣機單相電機怎樣起到正反轉的？

洗衣機單相電機怎樣起到正反轉的?對于單相電機來(lái)說(shuō),其實(shí)現正反向工作的繞組供電,分別為U1、V1和U2,這些線(xiàn)的供電是由電容器實(shí)現的。對于單相...

三相異步電動(dòng)機額定功率計算公式是什么？

三相異步電動(dòng)機額定功率計算公式包括:計算公式、公式、電動(dòng)機的額定功率、Ie、cosφ、功率因數、效率、功率因數和效率等。一、計算:P=1.7...

三相異步電動(dòng)機的原理是什么意思？

三相異步電動(dòng)機的原理是什么意思?答:當同一類(lèi)50Hz,左右的交流電,都脫離電動(dòng)機的軸上,因此就稱(chēng)為三相異步電動(dòng)機。電機在運行時(shí),原動(dòng)機的轉速...

三相異步電動(dòng)機的絕緣電阻是多少？

三相異步電動(dòng)機的絕緣電阻是多少?應該怎么測試:測試前的準備1、用500V的搖表?yè)u測電動(dòng)機輸入端的絕緣電阻,如測A級絕緣電阻值,將E級絕緣電阻...

三相異步電動(dòng)機的工作原理是什么?

三相異步電動(dòng)機的工作原理是什么?電動(dòng)機的工作原理是基于電磁感應定律,實(shí)現電能和機械能相互轉換的過(guò)程。當電動(dòng)機定子繞組通過(guò)交流電流時(shí),建立了電...

三相異步電動(dòng)機一個(gè)千瓦多少電流

三相異步電動(dòng)機一個(gè)千瓦多少電流1.已知多少電流?額定電流計算公式:1/單相:I=P/(√3U*cosφ*)P--為功率,單位是瓦,工業(yè),也稱(chēng)...

錐形轉子制動(dòng)三相異步電動(dòng)機原理

錐形轉子制動(dòng)三相異步電動(dòng)機原理：以(B)接法運行的轉子制動(dòng)三相異步電動(dòng)機為例。其制動(dòng)原理就是在切斷電源的同時(shí),改變定子繞組的電源相序,使電機...

三相交流異步電動(dòng)機轉子轉動(dòng)原理

試說(shuō)明三相異步電動(dòng)機的轉動(dòng)原理：當單相正弦電流通過(guò)定子繞組時(shí),電機就會(huì )產(chǎn)生一個(gè)交變磁場(chǎng),這個(gè)磁場(chǎng)的強弱和方向隨時(shí)間作正弦規律變化,但在空間方...

試說(shuō)明三相異步電動(dòng)機的轉動(dòng)原理

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洗衣機單相電機怎樣起到正反轉的？

三相異步電動(dòng)機額定功率計算公式是什么？

三相異步電動(dòng)機的原理是什么意思？

三相異步電動(dòng)機的絕緣電阻是多少？