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沙痕
給生活編個(gè)程序,讓你過(guò)得更精彩~!
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樓主  發(fā)表于: 2013-07-02 01:23
110KW-160KW水泵,有沒(méi)有誰(shuí)用過(guò)星三角啟動(dòng)的,幫忙給個(gè)解決方案才行,剛開(kāi)始空載的時(shí)候啟動(dòng)都沒(méi)有問(wèn)題,現在帶負載運行了,星和三角接觸器轉換的時(shí)候,總空開(kāi)掉閘?對于整個(gè)過(guò)程的觀(guān)察,在接觸器轉換的過(guò)程中,星接觸器有打火花現象,這是不是所說(shuō)的電弧引起的短路導致空開(kāi)掉閘呢?希望高手們給個(gè)解決的辦法???
sanlihu
吉圓
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1樓  發(fā)表于: 2013-08-27 11:24
1:空開(kāi)跳幾次了就更容易跳了。
2:延長(cháng)星形起動(dòng)時(shí)間。
3:星形接觸器一定先斷開(kāi)1~2秒三角形接觸器才能閉合,(電機速度起來(lái)后不用擔心1~2秒后接三角形時(shí)電流會(huì )大)。
吉圓電氣 QQ751673698

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