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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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