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zlc1210903
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樓主  發(fā)表于: 2021-03-06 11:34
變頻器帶電機需要越級嗎？比如5,5的水泵電機需要選則一個(gè)7.5KW的變頻器嗎？
我用了很多都是同級運行，都沒(méi)有問(wèn)題；為啥有人推薦我越級帶呢？
羨慕高手，希望有一天我也成為高手。
mtc04245
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1樓  發(fā)表于: 2021-03-07 09:27
引用
引用樓主zlc1210903于2021-03-06 11:34發(fā)表的 變頻器帶水泵需要大一級嗎？ :
變頻器帶電機需要越級嗎？比如5,5的水泵電機需要選則一個(gè)7.5KW的變頻器嗎？
我用了很多都是同級運行，都沒(méi)有問(wèn)題；為啥有人推薦我越級帶呢？

主要是推薦人對國產(chǎn)電機的不信任。的確市場(chǎng)有些電機制造商為了提高競爭力會(huì )虛標電機功率（銘牌標注比實(shí)際耗能�。�，
加上貼牌變頻喜歡往大標注（實(shí)際輸出功率比標注�。�，這樣雙線(xiàn)夾擊往大跳一級較為保險。

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