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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？
redrock99
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1樓  發(fā)表于: 2023-03-08 17:47
那要看什么負載，是風(fēng)機泵負載的話(huà)，節電明顯，因為不用工作在50HZ，而是根據實(shí)際需要去工作。至于其他負荷，那純粹是為了調速而不是節電使用。

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