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hetinghong
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樓主  發(fā)表于: 2011-02-28 20:49
我公司電動(dòng)旋轉門(mén)用西門(mén)子MCROMASTER400.6SE6440-2uc21-5BA1變頻器啟動(dòng)三相電機，三相電機是三角形連接并且變頻器是單相電源輸入的。
笨者天下
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1樓  發(fā)表于: 2011-06-04 11:14
一般不能。從電壓變換就知道Vdc=1.44Vac。輸入220VAC變?yōu)檩敵?80VAC，就需要使用多重逆變，再算法和硬件上面都會(huì )增加成本。
最好考慮還是三相輸入的變頻器吧。

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