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sjm213
有小知識，無(wú)大學(xué)問(wèn)。
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樓主  發(fā)表于: 2007-12-19 13:29
老設備上的，沒(méi)有開(kāi)機試運轉。

按照這個(gè)電路圖，星三角是怎么工作的？


歡迎大家提出自己的看法！


本來(lái)以為是個(gè)星三角，現在看來(lái)應該理解為雙速電機。
[ 此貼被sjm213在2007-12-19 15:11重新編輯 ]
wanghuhong
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1樓  發(fā)表于: 2008-09-19 21:33
哈哈！都是可以的了，要看用那里嘛！在PLC里加時(shí)間繼電器就星三角，反之雙速電機。

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