1、低壓電(dian)(dian)機溫度過(guo)(guo)高,造(zao)成這種現象的(de)原(yuan)(yuan)因有:電(dian)(dian)源電(dian)(dian)壓過(guo)(guo)高或(huo)(huo)過(guo)(guo)低,此時(shi)要做(zuo)的(de)就是(shi)經過(guo)(guo)測量電(dian)(dian)壓來改善電(dian)(dian)壓值;電(dian)(dian)機負載過(guo)(guo)大,應該(gai)立即檢查(cha)原(yuan)(yuan)因并(bing)進行排(pai)除;三相(xiang)電(dian)(dian)源缺相(xiang)或(huo)(huo)者低壓電(dian)(dian)機繞(rao)組斷(duan)一相(xiang),這時(shi)要確保(bao)三相(xiang)電(dian)(dian)源平衡(heng);原(yuan)(yuan)本應該(gai)是(shi)三角形的(de)接(jie)法(fa)缺接(jie)成了(le)星(xing)星(xing)的(de)形狀,這時(shi)要恢復原(yuan)(yuan)始的(de)接(jie)法(fa);電(dian)(dian)機局部短路等(deng),重新浸漆繞(rao)組并(bing)烘干;電(dian)(dian)機表面堆(dui)積(ji)了(le)太多(duo)的(de)灰塵,造(zao)成通風(feng)不良,這時(shi)要做(zuo)的(de)很(hen)簡單(dan),就是(shi)清理灰塵確保(bao)通風(feng)順暢。
2、低(di)壓電(dian)(dian)機(ji)無(wu)法啟動(dong),造成這種(zhong)現象的原(yuan)因(yin)有(you):電(dian)(dian)源(yuan)沒有(you)接通;電(dian)(dian)源(yuan)缺相(xiang)(xiang)或電(dian)(dian)機(ji)繞組斷(duan)一(yi)相(xiang)(xiang),這時(shi)要對電(dian)(dian)源(yuan)和電(dian)(dian)機(ji)進行(xing)徹(che)底檢查,排除(chu)一(yi)切可能出現的缺相(xiang)(xiang)原(yuan)因(yin);轉子銅條(tiao)出現斷(duan)裂情況,應(ying)該及時(shi)更換同類型的轉子;當電(dian)(dian)機(ji)負載過大的時(shi)候,記得馬上(shang)給電(dian)(dian)機(ji)減負。
3、低(di)(di)壓(ya)(ya)電機轉(zhuan)速太低(di)(di),造(zao)成(cheng)這(zhe)種(zhong)現(xian)象的(de)原因有:電機的(de)電源電壓(ya)(ya)太低(di)(di)了,這(zhe)是需要盡快(kuai)改善的(de);籠型轉(zhuan)子開焊或(huo)斷裂(lie),焊接(jie)轉(zhuan)子或(huo)更換同類型轉(zhuan)子;定轉(zhuan)子局部錯接(jie)或(huo)接(jie)反(fan)、糾正接(jie)法。
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