The frequency converter reports fault overload and the motor is not strong to start. This motor is
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@leakyzhang5191 5 ай бұрын
同步和异步电机最大的区别，就是异步电机的转子形成的磁场和定子的磁场存在一个负向的夹角，定子磁场一直在追着转子的磁场。而同步电机的定子是永磁体，定子和转子的磁场间不存在夹角，这也是同步电机名称的由来。 另外，编码器是利用霍尔传感器来感知磁场的大小，从而判断轴的位置和输出力矩和速度。希望我的解释能有所帮助。
@xoxo2685 5 ай бұрын
永磁同步電機，一般只能用在較小型的電機上，因為永久磁鐡的磁力有限，所以大型電機一般都是異步電機。但當然也有例外，因為同步電機的起步扭力較大，我曾在機場貨物處理系統中見過大型的同步電機，這些電機是需要用炭刷去供電給轉子的電磁鐡。
@felocha 5 ай бұрын
错，同步电机才会在达到稳态时出现一个固定torque angle，异步电机是转子永远比电磁场慢，也就不存在什么固定夹角
@xoxo2685 5 ай бұрын
應該說是同步電機的轉速會與定子旋轉磁場轉速一樣，而異步電機的轉速永遠都會比定子旋轉磁場轉速慢。例如一個四極電機，同步電機的轉速一定是1500RPM，但異步電機的轉訓就會是1450~1470RPM。
@정춘광-d7t 5 ай бұрын
长知识了
@hobodog0 5 ай бұрын
51放假了?原来是去年的视频啊
@WeiGe-8888 5 ай бұрын
*感谢分享！💓*
@兼明-p2b 5 ай бұрын
都五一放完假了？
@tsnlylee7721 5 ай бұрын
去年五一吧,是个老坟🤣🤣🤣🤣
@兼明-p2b 5 ай бұрын
@@tsnlylee7721 哦哦，我今年才看的
@user-ku178 5 ай бұрын
2ㄈ
@mcccmcc2371 5 ай бұрын
旋变故障
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