山東盛華電機廠家提醒,為了避免和減少大功率電機突然損壞導致停產等事故的發生,電機需要定期保養和檢修,在使用過程中如遇有大瓦數主軸電機運行溫度過熱和定子繞組絕緣過低時,則需要立即停機檢修。今天山東電機廠家盤點大電功率電機的的維保設備維修保養。
首(shou)先(xian)(xian)對于(yu)長(chang)時間未檢(jian)修過的大功率電(dian)機(ji),首(shou)先(xian)(xian)應該(gai)將電(dian)機(ji)進(jin)行解體(ti),對各零部件進(jin)行清理,再對它們作表觀檢(jian)查,查看是否有(you)異常,并對電(dian)機(ji)繞組作電(dian)氣(qi)檢(jian)查,這個步驟應該(gai)讓專業的維修師(shi)傅或者有(you)專業技(ji)術(shu)知識的人員來進(jin)行操(cao)作,還可以向調速電(dian)機(ji)產(chan)生廠(chang)(chang)咨詢,獲取(qu)廠(chang)(chang)家的技(ji)術(shu)指導(dao)。
一(yi)、大(da)效率調速電機的自動(dong)化檢(jian)查(cha)報告。
常(chang)規排查報告(gao)(gao)交流(liu)變頻(pin)同(tong)步伺(si)服交流(liu)接(jie)(jie)(jie)(jie)觸器(qi)的(de)護(hu)殼和軸(zhou)套可(ke)(ke)(ke)否能(neng)(neng)夠有(you)裂開癥(zheng)狀,以(yi)免裂開應實(shi)施焊,應常(chang)規排查報告(gao)(gao)齒輪可(ke)(ke)(ke)否能(neng)(neng)夠曲(qu)折,搭配(pei)制作工(gong)藝可(ke)(ke)(ke)否能(neng)(neng)夠恰(qia)當(dang)。另一方面,手去撥動(dong)伺(si)服交流(liu)接(jie)(jie)(jie)(jie)觸器(qi)旋轉葉,看可(ke)(ke)(ke)否能(neng)(neng)夠能(neng)(neng)拖動(dong),如轉不出看可(ke)(ke)(ke)否能(neng)(neng)夠有(you)臟東西卡住,輪轂(gu)軸(zhou)承套可(ke)(ke)(ke)否能(neng)(neng)夠優(you)質,接(jie)(jie)(jie)(jie)下來會按照現象敲定可(ke)(ke)(ke)否能(neng)(neng)夠必須要(yao)換掉輪轂(gu)軸(zhou)承套。軸(zhou)套測量方法,常(chang)規排查報告(gao)(gao)水輪的(de)上、下外止(zhi)口和與(yu)它們之間匹(pi)(pi)匹(pi)(pi)配(pei)的(de)扣環及同(tong)步伺(si)服交流(liu)接(jie)(jie)(jie)(jie)觸器(qi)內徑的(de)寬度,這2個匹(pi)(pi)配(pei)齒隙可(ke)(ke)(ke)否能(neng)(neng)夠在維(wei)檢細則范(fan)圍之內內,超差后(hou)要(yao)換掉零件及運轉時候或使用一些(xie)的(de)具體措施,使匹(pi)(pi)配(pei)齒隙可(ke)(ke)(ke)達到相關規定的(de)標準,除非導致同(tong)步伺(si)服交流(liu)接(jie)(jie)(jie)(jie)觸器(qi)的(de)能(neng)(neng)力(li)徑向穩定力(li)等。分析常(chang)規排查報告(gao)(gao)伺(si)服交流(liu)接(jie)(jie)(jie)(jie)觸器(qi)旋轉葉的(de)表面現象,非常(chang)要(yao)考(kao)慮(lv)焊接(jie)(jie)(jie)(jie)縫隙有(you)異常(chang)癥(zheng)狀現象。
二、大瓦(wa)數(shu)直流電機(ji)的電力常規檢(jian)查。
率(lv)(lv)先檢驗電(dian)(dian)流(liu)(liu)內阻,合適大工(gong)(gong)(gong)作(zuo)功率(lv)(lv)定(ding)頻主(zhu)軸電(dian)(dian)機三(san)相(xiang)電(dian)(dian)機內阻的(de)不發(fa)(fa)(fa)展度應不超2%,直(zhi)(zhi)流(liu)(liu)無刷(shua)發(fa)(fa)(fa)馬達定(ding)子的(de)擊(ji)穿(chuan)電(dian)(dian)壓(ya)(ya)(ya)帶電(dian)(dian)阻器工(gong)(gong)(gong)率(lv)(lv)大部分能(neng)到(dao)100Ω之上,如(ru)不低于5Ω時(shi)要(yao)具體分析的(de)原因,擊(ji)穿(chuan)電(dian)(dian)壓(ya)(ya)(ya)帶能(neng)否發(fa)(fa)(fa)潮,或直(zhi)(zhi)流(liu)(liu)無刷(shua)發(fa)(fa)(fa)馬達定(ding)子因擊(ji)穿(chuan)電(dian)(dian)壓(ya)(ya)(ya)帶不大好而等(deng)電(dian)(dian)位連接(jie)極等(deng),要(yao)根據(ju)現象對大工(gong)(gong)(gong)率(lv)(lv)變頻式直(zhi)(zhi)流(liu)(liu)無刷(shua)發(fa)(fa)(fa)馬達擊(ji)穿(chuan)電(dian)(dian)壓(ya)(ya)(ya)帶參(can)與空氣干燥處(chu)理或結合直(zhi)(zhi)流(liu)(liu)無刷(shua)發(fa)(fa)(fa)馬達商家參(can)與進行更換擊(ji)穿(chuan)電(dian)(dian)壓(ya)(ya)(ya)帶,如(ru)定(ding)子相(xiang)電(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)源電(dian)(dian)阻器工(gong)(gong)(gong)率(lv)(lv)不動平(ping)衡機,則(ze)需對直(zhi)(zhi)流(liu)(liu)無刷(shua)發(fa)(fa)(fa)馬達電(dian)(dian)磁線圈相(xiang)電(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)源區別(bie)做對地擊(ji)穿(chuan)電(dian)(dian)壓(ya)(ya)(ya)進行實(shi)驗及(ji)匝(za)間進行實(shi)驗,查到(dao)等(deng)電(dian)(dian)位連接(jie)極點。
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