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xiaobo2009
態(tài)度決定一切,細節決定完美
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樓主  發(fā)表于: 2010-04-16 19:06
我們廠(chǎng)有一臺500KVA的變壓器，10KV/400V，二次則額定輸出電流為721A。因為廠(chǎng)設備多，現在老是出現超載現象。經(jīng)常輸出為800A。我知道變壓器是可以超一點(diǎn)的。請問(wèn)那位大俠能告訴我，這樣長(cháng)期下去，變壓器會(huì )不會(huì )安全，會(huì )不會(huì )燒掉��！謝謝！
grt
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1樓  發(fā)表于: 2010-04-17 07:04
變壓器不能長(cháng)期過(guò)負荷運行�？纯醋儔浩鞴β室驍凳欠癖容^低，如果低于0.9就應該進(jìn)行無(wú)功補償，補償后變壓器容量能夠滿(mǎn)足要求；如果功率因數大于0.9，就要考慮擴容了。

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