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matlac
級別: 探索解密
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樓主  發(fā)表于: 2020-04-15 10:31
負載如下：
1.3相伺服電機400W（配單相驅動(dòng)器）  1臺
2.單相120W電機 配單相調速器       2臺
3.3相220V電機90W， 配單相變頻器   1臺
4.單相40W電機                     1臺
5.單相15W電機                     1臺
配1.5kva的單相變壓器夠嗎？
我不明白得到是3相的伺服電機400W則換成單相應該怎么算功率？ 上述負載是否把負載功率簡(jiǎn)單的加一下就算總功率了呢？
luo76
級別: 論壇先鋒
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1樓  發(fā)表于: 2020-04-15 11:39
干嘛要變壓器，1KW以下的伺服可用單相220V的電源

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