軸電流作為三相異步電機獨有的故障，常見于高壓電機與變頻電機使用中，今天江西盛華高壓電機廠盤點大公率變頻式伺服電動機軸直流電的防治。

與小出水(shui)量(liang)三(san)相(xiang)異(yi)(yi)步(bu)三(san)相(xiang)異(yi)(yi)步(bu)馬(ma)(ma)達(da)馬(ma)(ma)達(da)比起，低(di)壓變頻柜(ju)三(san)相(xiang)異(yi)(yi)步(bu)三(san)相(xiang)異(yi)(yi)步(bu)馬(ma)(ma)達(da)馬(ma)(ma)達(da)和大工(gong)作(zuo)功率變頻柜(ju)三(san)相(xiang)異(yi)(yi)步(bu)三(san)相(xiang)異(yi)(yi)步(bu)馬(ma)(ma)達(da)馬(ma)(ma)達(da)很多個統(tong)一性問(wen)題，便是軸電(dian)壓電(dian)流對軸承(cheng)套(tao)的(de)割傷問(wen)題。對該問(wen)題，有所差異(yi)(yi)的(de)三(san)相(xiang)異(yi)(yi)步(bu)三(san)相(xiang)異(yi)(yi)步(bu)馬(ma)(ma)達(da)馬(ma)(ma)達(da)加工(gong)廠都將展(zhan)開許多實際的(de)方式對該問(wen)題采取遏(e)制。

軸交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)量帶來的(de)(de)根本是(shi)發(fa)電(dian)(dian)(dian)(dian)機馬(ma)達(da)的(de)(de)自動運(yun)轉(zhuan)時(shi)(shi)的(de)(de)軸交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)壓(ya)降(jiang)值(zhi)(zhi)(zhi)(zhi)(zhi)。發(fa)電(dian)(dian)(dian)(dian)機馬(ma)達(da)的(de)(de)自動運(yun)轉(zhuan)的(de)(de)過程中，能夠 的(de)(de)滑(hua)(hua)動軸承(cheng)(cheng)與發(fa)電(dian)(dian)(dian)(dian)機馬(ma)達(da)的(de)(de)外殼轉(zhuan)變成(cheng)(cheng)(cheng)某(mou)個(ge)電(dian)(dian)(dian)(dian)路開關，當交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)壓(ya)降(jiang)值(zhi)(zhi)(zhi)(zhi)(zhi)高到一定(ding)的(de)(de)地步時(shi)(shi)，滑(hua)(hua)動軸承(cheng)(cheng)潤滑(hua)(hua)油脂的(de)(de)耐壓(ya)的(de)(de)性能被損壞，而轉(zhuan)變成(cheng)(cheng)(cheng)軸交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)量，軸交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)量只要轉(zhuan)變成(cheng)(cheng)(cheng)，就組合非常典型(xing)的(de)(de)低交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)壓(ya)降(jiang)值(zhi)(zhi)(zhi)(zhi)(zhi)大(da)交(jiao)(jiao)流(liu)電(dian)(dian)(dian)(dian)值(zhi)(zhi)(zhi)(zhi)(zhi)量電(dian)(dian)(dian)(dian)路開關，會(hui)對(dui)的(de)(de)滑(hua)(hua)動軸承(cheng)(cheng)會(hui)造(zao)成(cheng)(cheng)(cheng)大(da)大(da)的(de)(de)損害。

大(da)最高(gao)功(gong)率變(bian)(bian)頻器變(bian)(bian)頻電(dian)(dian)(dian)動(dong)機容易產(chan)(chan)生軸電(dian)(dian)(dian)流(liu)的(de)原(yuan)因，變(bian)(bian)頻器供(gong)電(dian)(dian)(dian)產(chan)(chan)生軸電(dian)(dian)(dian)壓(ya)。變(bian)(bian)頻電(dian)(dian)(dian)動(dong)機采用變(bian)(bian)頻器供(gong)電(dian)(dian)(dian)時(shi)，由于電(dian)(dian)(dian)源電(dian)(dian)(dian)壓(ya)含(han)有高(gao)次的(de)諧波(bo)分量，在電(dian)(dian)(dian)壓(ya)脈波(bo)分量的(de)作(zuo)用下，定子繞組線圈端(duan)部、接(jie)線部分、轉(zhuan)(zhuan)軸之間產(chan)(chan)生電(dian)(dian)(dian)磁感應，使得轉(zhuan)(zhuan)軸的(de)電(dian)(dian)(dian)位發生變(bian)(bian)化(hua)，從而產(chan)(chan)生軸電(dian)(dian)(dian)壓(ya)。

避(bi)開(kai)軸(zhou)(zhou)電壓的(de)(de)(de)(de)模(mo)(mo)式，除設計的(de)(de)(de)(de)步(bu)驟對電機定子的(de)(de)(de)(de)改(gai)良(liang)的(de)(de)(de)(de)措施外(wai)，會經過選用(yong)隔(ge)絕帶(dai)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滑動(dong)的(de)(de)(de)(de)軸(zhou)(zhou)承(cheng)、隔(ge)絕帶(dai)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滑動(dong)的(de)(de)(de)(de)軸(zhou)(zhou)承(cheng)套(tao)模(mo)(mo)式給與解決方法(fa)。選用(yong)隔(ge)絕帶(dai)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滑動(dong)的(de)(de)(de)(de)軸(zhou)(zhou)承(cheng)、隔(ge)絕帶(dai)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滾(gun)(gun)針(zhen)(zhen)(zhen)(zhen)滑動(dong)的(de)(de)(de)(de)軸(zhou)(zhou)承(cheng)套(tao)的(de)(de)(de)(de)把控機理是立(li)即(ji)切斷回路開(kai)關，但肯定要確保三極管(guan)總是存在(zai)斷路環境。

陜西盛華三相異(yi)步(bu)電機廠，作(zuo)為一家擁有二十(shi)余年大輸(shu)出功(gong)率變(bian)頻柜主軸(zhou)電機生產經驗(yan)的企業，生產經驗(yan)成熟(shu)，可根據(ju)客(ke)戶需求提供小批量、多品種的電機產品。