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wangsai0501
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樓主  發(fā)表于: 2023-03-06 16:52
調試一臺電機2.2KW，直接啟動(dòng)電流為2A，變頻器控制50HZ，輸入端電流0.6A，輸出端2A，從輸入電流方式看是節約了，不知道是否能起到節能作用，從能量守恒來(lái)看變頻器也不能制造能量，為什么輸入電流會(huì )小呢？各位大師對這種現象怎么看呢？
hstec2002
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1樓  發(fā)表于: 2023-03-06 17:12
變頻器節能主要從以下方面：
1 設計余量（如設計容量為11KW,實(shí)際只需7KW）;
2 運行余量（如滿(mǎn)載為11KW,實(shí)際運行在某段時(shí)間只需要7KW）。

另外變頻器不能單純只看輸入輸出電流，還要看輸入輸出電壓等相關(guān)參數。
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