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zmy450365
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12樓  發(fā)表于: 2013-09-23 20:46
引用
引用樓主無(wú)憂(yōu)山水于2013-09-20 20:36發(fā)表的 升高主線(xiàn)電壓的方法!請賜教。。 :
經(jīng)常遇到各個(gè)小廠(chǎng)家因為變壓器偏小,線(xiàn)路長(cháng),線(xiàn)徑細造成的主電壓偏低的情況,有的甚至在電機啟動(dòng)時(shí)形成的壓降能讓接觸器不能保持。嚴重影響接觸器使用壽命和工作效率。我試過(guò)用就地補償的方式來(lái)解決一些問(wèn)題,情況不理想。各位師傅不知道有什么高招能解決或者緩解這個(gè)問(wèn)題,這在實(shí)際 的工作中很有現實(shí)意義。

變壓器調到最高檔;線(xiàn)徑適當加大;功率因數保證98左右;或者變頻器取代直接啟動(dòng)試試看;
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