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5921338
好好學(xué)習，天天向上
級別: 網(wǎng)絡(luò )英雄
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樓主  發(fā)表于: 2022-06-07 11:26
現在遇到一個(gè)棘手的問(wèn)題，球磨機主機280KW6級電機由變頻器帶動(dòng)，運行電流在400A左右電機溫度兩三個(gè)小時(shí)到80度一直控制不下來(lái)，外加散熱風(fēng)機兩臺也不行。變頻器設置方法全部試過(guò)也沒(méi)有效果，一共有十多臺都是一樣的問(wèn)題。有沒(méi)有什么方法可以有效降低電機溫升的��？
自學(xué)
yerong
級別: 工控俠客
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1樓  發(fā)表于: 2022-06-07 13:09
電機周邊環(huán)境溫度多少？
A  獨立風(fēng)道，加大風(fēng)速風(fēng)量
    B 改水冷    
      C  終極冷：液氮

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