隨著變頻調速技術的發展，變頻調速電機在一些行業中逐步替代了普通電機，但是有個問題一直在影響變頻電機廠家發展，就是變調電機中的軸電流問題。

軸(zhou)感應(ying)功率(lv)情況頻(pin)(pin)(pin)(pin)(pin)發(fa)生在(zai)定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)需(xu)要是大最(zui)大馬力發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)應(ying)用中，由定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)由定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)器(qi)變(bian)電(dian)(dian)(dian)把(ba)握，由定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)在(zai)各項差異的(de)頻(pin)(pin)(pin)(pin)(pin)率(lv)下啟動(dong)(dong)，，因此定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)器(qi)的(de)效(xiao)果感應(ying)功率(lv)會所含高頻(pin)(pin)(pin)(pin)(pin)度波，要特別留意(yi)這個重要因素是定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)造成軸(zhou)感應(ying)功率(lv)的(de)重要，有時(shi)候盛華定(ding)(ding)頻(pin)(pin)(pin)(pin)(pin)發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)生產廠大家您，軸(zhou)感應(ying)功率(lv)，由此可見(jian)，是發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)軸(zhou)到的(de)聯軸(zhou)器(qi)的(de)某種無功感應(ying)功率(lv)，對發(fa)變(bian)頻(pin)(pin)(pin)(pin)(pin)柜電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)的(de)聯軸(zhou)器(qi)反應(ying)更大。

1、軸套電壓(ya)的(de)貨(huo)品及(ji)出(chu)現(xian)的(de)其原因。

高頻滾針軸承電流量

電(dian)動(dong)(dong)(dong)四輪機磁路(lu)不正確稱會(hui)引(yin)起超低頻高壓(ya)(ya)發生器(qi)軸直流(liu)(liu)(liu)電(dian)，這樣物(wu)理現象在(zai)儲電(dian)量不低于400KW的(de)自(zi)驅(qu)(qu)動(dong)(dong)(dong)力(li)上常見(jian)，這是如(ru)果，錯了(le)稱的(de)磁路(lu)會(hui)在(zai)磁軛中(zhong)所引(yin)起方形溝通(tong)交(jiao)流(liu)(liu)(liu)電(dian)磁通(tong)（環狀(zhuang)磁通(tong)）所以在(zai)圖1提示的(de)由(you)自(zi)驅(qu)(qu)動(dong)(dong)(dong)力(li)轉(zhuan)動(dong)(dong)(dong)軸、滾(gun)(gun)針(zhen)聯(lian)軸器(qi)、聯(lian)軸器(qi)端蓋和自(zi)驅(qu)(qu)動(dong)(dong)(dong)力(li)定子基座組(zu)建的(de)導電(dian)性電(dian)路(lu)開關中(zhong)所引(yin)起溝通(tong)交(jiao)流(liu)(liu)(liu)電(dian)檢測(ce)端的(de)電(dian)壓(ya)(ya)，當此檢測(ce)端的(de)電(dian)壓(ya)(ya)受到破(po)壞了(le)滾(gun)(gun)針(zhen)聯(lian)軸器(qi)防銹液劑(ji)的(de)隔熱程度后，感應電(dian)流(liu)(liu)(liu)會(hui)流(liu)(liu)(liu)下來涵(han)蓋自(zi)驅(qu)(qu)動(dong)(dong)(dong)力(li)左(zuo)右滾(gun)(gun)針(zhen)聯(lian)軸器(qi)在(zai)里(li)面的(de)這種電(dian)路(lu)開關。

2、高頻軸電(dian)流量

高頻(pin)軸直流(liu)(liu)電(dian)存在的(de)的(de)原因：工頻(pin)三相電(dian)機正弦交(jiao)流(liu)(liu)電(dian)24v電(dian)源的(de)電(dian)阻是(shi)不平衡量對稱(cheng)性(xing)的(de)，那么，各舉性(xing)點的(de)電(dian)阻為零，只是(shi)調頻(pin)器的(de)導出的(de)電(dian)阻是(shi)依(yi)據 PWM脈寬(kuan)調變制造(zao)的(de)，既根(gen)據逆變電(dian)源將直流(liu)(liu)變壓器電(dian)壓電(dian)流(liu)(liu)電(dian)流(liu)(liu)轉為成三相電(dian)機正弦洽(qia)談電(dian)洽(qia)談電(dian)壓電(dian)流(liu)(liu)電(dian)流(liu)(liu)（遠離見如圖是(shi)）

雖(sui)其(qi)(qi)(qi)基(ji)頻(pin)份量是相(xiang)對性(xing)穩(wen)(wen)定性(xing)的，但仍(reng)然在逆變機組(zu)測(ce)試(shi)中(zhong)穩(wen)(wen)壓(ya)(ya)管的開斷不(bu)宜能能否(fou)說(shuo)數(shu)據同(tong)步，故可存在不(bu)相(xiang)對性(xing)的高次諧(xie)波(bo)，造成零(ling)序電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)(zhi)份量不(bu)斷地(di)，即弱酸性(xing)點(dian)電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)(zhi)不(bu)求零(ling)。規范基(ji)準里將此零(ling)序電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)(zhi)表述(shu)為共模(mo)電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)(zhi)，此電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)(zhi)能否(fou)在阻(zu)(zu)抗電(dian)(dian)(dian)(dian)動機電(dian)(dian)(dian)(dian)機定子中(zhong)的弱酸性(xing)點(dian)處測(ce)定，其(qi)(qi)(qi)頻(pin)帶寬度與(yu)逆變機組(zu)測(ce)試(shi)中(zhong)穩(wen)(wen)壓(ya)(ya)管的開斷頻(pin)帶寬度相(xiang)似，其(qi)(qi)(qi)幅值(zhi)(zhi)(zhi)(zhi)與(yu)整流(liu)母線電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)(zhi)正比。規范基(ji)準相(xiang)關規定由共模(mo)電(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)(zhi)(zhi)(zhi)存在的軸(zhou)工(gong)作電(dian)(dian)(dian)(dian)流(liu)值(zhi)(zhi)(zhi)(zhi)叫(jiao)高頻(pin)率軸(zhou)工(gong)作電(dian)(dian)(dian)(dian)流(liu)值(zhi)(zhi)(zhi)(zhi)。

軸(zhou)(zhou)感應(ying)式瞬(shun)時(shi)(shi)直流(liu)電壓(ya)的(de)(de)(de)(de)(de)(de)(de)(de)(de)導(dao)致：流(liu)進去的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)中的(de)(de)(de)(de)(de)(de)(de)(de)(de)感應(ying)式瞬(shun)時(shi)(shi)直流(liu)電壓(ya)的(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)化快(kuai)，其的(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)化速(su)度(du)(du)是指(zhi)于(yu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)加工工藝，當(dang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)珠被(bei)加脂(zhi)情(qing)況(kuang)劑(ji)壓(ya)根浸泡不(bu)(bu)導(dao)電時(shi)(shi)，這個時(shi)(shi)候(hou)有(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)電容(rong)器(qi)(qi)仍處于(yu)如(ru)何(he)消除(chu)除(chu)靜電專研工作狀(zhuang)態，若是如(ru)何(he)消除(chu)除(chu)靜電專研的(de)(de)(de)(de)(de)(de)(de)(de)(de)電阻(zu)值超乎(hu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)加脂(zhi)情(qing)況(kuang)劑(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)隔熱特性，就將(jiang)損毀的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)加脂(zhi)情(qing)況(kuang)劑(ji)變(bian)成(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)油膜(mo)，不(bu)(bu)僅而(er)且智(zhi)能(neng)機磁路錯(cuo)誤稱有(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)感應(ying)式電阻(zu)值可(ke)不(bu)(bu)可(ke)以損毀的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)加脂(zhi)情(qing)況(kuang)劑(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)隔熱特性繼而(er)變(bian)成(cheng)很大(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)感應(ying)式瞬(shun)時(shi)(shi)直流(liu)電壓(ya)，當(dang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)滾(gun)動(dong)(dong)聯軸(zhou)(zhou)器(qi)(qi)型(xing)號(hao)(hao)(hao)(hao)型(xing)號(hao)(hao)(hao)(hao)感應(ying)式瞬(shun)時(shi)(shi)直流(liu)電壓(ya)的(de)(de)(de)(de)(de)(de)(de)(de)(de)密度(du)(du)計算公(gong)式大(da)(da)于(yu)1.5A/mm后，軸(zhou)(zhou)電壓(ya)輪廓(kuo)線(xian)發出(chu)電人(ren)體脂(zhi)肪減(jian)少制造(zao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)高溫天(tian)氣(qi)，會溶化輪轂滾(gun)柱軸(zhou)(zhou)承(cheng)內(nei)圈、外(wai)側或(huo)滾(gun)珠上大(da)(da)多 很小城市，并建立(li)帶槽，然(ran)而(er)制造(zao)噪音分貝(bei)、震動(dong)(dong)，若不(bu)(bu)是立(li)即挖掘處理將(jiang)形成(cheng)輪轂滾(gun)柱軸(zhou)(zhou)承(cheng)沒(mei)有(you)效果(guo)，對制造(zao)受到非(fei)常大(da)(da)的(de)(de)(de)(de)(de)(de)(de)(de)(de)影晌

雖(sui)然應對打不開交流(liu)變頻(pin)同步伺(si)服電機(ji)用到中軸直(zhi)流(liu)電壓的(de)生成，那樣究竟有什么樣形式能(neng)提高軸直(zhi)流(liu)電壓對同步伺(si)服電機(ji)的(de)威脅嗎(ma)？

實際上變頻電機廠家針對大容量變頻電機，會建議客戶采用絕緣軸承并配備特殊的絕緣潤滑脂，可以有效避免軸電流對電機軸承的損害。