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ycf1234123
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樓主  發(fā)表于: 2012-05-29 15:05
怎么樣才可以三相異步電動(dòng)機沒(méi)有運轉的時(shí)候讓電機有保持力？
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1樓  發(fā)表于: 2012-05-29 22:08
最簡(jiǎn)單又高效的辦法就是樓上幾位所說(shuō)的辦法，除此之外還可以選用矢量變頻器，精度要求不高，可采用無(wú)傳感器矢量控制，精度要求較高，采用傳感器矢量控制模式！
回憶依然最美
一不小心混進(jìn)社會(huì ), 浪子回頭已經(jīng)白費... ...
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2樓  發(fā)表于: 2012-06-01 21:32
引用
引用第5樓aaweihua于2012-05-30 09:14發(fā)表的  :

難道用變頻器控制，電機沒(méi)有運轉也有保持力？

YES!當然這也不是隨便找一臺變頻器就能完成的！

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