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gk2011
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樓主  發(fā)表于: 2011-01-13 12:51
怎樣檢查勵磁調速電機勵磁線(xiàn)圈，測速發(fā)電機好壞？當以上部分出現問(wèn)題時(shí)，電機會(huì )出現什么故障？
回憶依然最美
一不小心混進(jìn)社會(huì ), 浪子回頭已經(jīng)白費... ...
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1樓  發(fā)表于: 2011-01-13 13:50
版主正解，如果碰到電機不能正常工作，請用萬(wàn)用表測量勵磁線(xiàn)圈兩端的電壓，是否為直流90伏左右，此電壓正常電機工作不正常，則可能是測速發(fā)電機故障或調速器反饋量調節不當或者是控制器故障；測速發(fā)電機為三相發(fā)電機，工作期間輸出電壓為交流10~15伏左右，且三相電壓平衡。以上部分出現問(wèn)題故障正如版主所說(shuō)，電磁調速電機控制很簡(jiǎn)單，出現故障一般按上述步驟排除！
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