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ggzh666
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樓主  發(fā)表于: 2023-10-10 16:03
應用變頻器控制電機啟停、正反轉、加減速運行。
繪制電氣控制原理圖，控制過(guò)程：利用按鈕控制繼電器，通過(guò)繼電器控制變頻器對電機進(jìn)行以20HZ速度正轉運行1分鐘，之后利用按鈕控制加速到40HZ,然后再降速到20HZ運行1分鐘后停止，再進(jìn)行電機反轉啟動(dòng)運行，1分鐘后停止。要求電路圖制圖規范，符合電氣控制原理圖標準。變頻器ABB510
wsxebjz
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1樓  發(fā)表于: 2023-10-11 13:26
多段速，就一個(gè)多擋開(kāi)關(guān)即可，其它的靠變頻器自己功能了

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