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樓主  發(fā)表于: 2012-04-23 19:32
這周接了2個(gè)項目  工程師給的圖 一個(gè)是變頻啟動(dòng) 200KW的風(fēng)機 一個(gè)風(fēng)機也不小 但是沒(méi)看清楚 用的是軟啟動(dòng)

布局什么都差不多

但是軟啟動(dòng)柜用交流變送器  什么時(shí)候需要加這個(gè)呢？

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