電機殼運行中的保護

發布時間：2023-04-03

電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)殼要(yao)保(bao)(bao)證用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)，就要(yao)安裝使用(yong)(yong)漏電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)開關(guan)。漏電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)開關(guan)還(huan)要(yao)經常(chang)檢查，每月試跳(tiao)不少于一(yi)次，如(ru)有(you)失靈立即(ji)更換(huan)。漏電(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)(hu)開關(guan)跳(tiao)閘(zha)或保(bao)(bao)險絲燒斷(duan)后要(yao)查明原因，排(pai)除故障才可(ke)恢復(fu)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)。 電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)殼利用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)運(yun)(yun)行(xing)時的(de)(de)正常(chang)電(dian)(dian)(dian)(dian)(dian)流(liu)作(zuo)為(wei)參考(kao)值進(jin)行(xing)保(bao)(bao)護(hu)(hu)。利用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)運(yun)(yun)行(xing)時電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)的(de)(de)溫升進(jin)行(xing)保(bao)(bao)護(hu)(hu)。測(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)的(de)(de)軸徑震動進(jin)行(xing)保(bao)(bao)護(hu)(hu)。利用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)運(yun)(yun)行(xing)時三相(xiang)(xiang)求(qiu)平衡，檢測(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)流(liu)是(shi)(shi)否平衡，利用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)器，電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)器件進(jin)行(xing)保(bao)(bao)護(hu)(hu)。通過測(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)對地漏電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)大小(xiao)進(jin)行(xing)保(bao)(bao)護(hu)(hu)。利用(yong)(yong)互感器測(ce)(ce)(ce)量電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)進(jin)線三相(xiang)(xiang)零(ling)序電(dian)(dian)(dian)(dian)(dian)流(liu)為(wei)零(ling)的(de)(de)特性(xing)進(jin)行(xing)保(bao)(bao)護(hu)(hu)。綜上所敘實際上都(dou)是(shi)(shi)利用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)運(yun)(yun)行(xing)時電(dian)(dian)(dian)(dian)(dian)流(liu)大小(xiao)，變(bian)化(hua)進(jin)行(xing)保(bao)(bao)護(hu)(hu)的(de)(de)。 無(wu)刷(shua)直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)是(shi)(shi)采用(yong)(yong)了半(ban)導體開關(guan)器來實現電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)轉換(huan)的(de)(de)，即(ji)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)開關(guan)器代(dai)替傳統的(de)(de)接觸式轉換(huan)器和電(dian)(dian)(dian)(dian)(dian)刷(shua)。它具有(you)可(ke)靠性(xing)高(gao)、無(wu)換(huan)向火花、機(ji)(ji)(ji)械噪聲低等優點(dian)，廣泛應用(yong)(yong)于錄音座(zuo)、錄像機(ji)(ji)(ji)、電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)儀器及(ji)自動化(hua)辦公設備中(zhong)。