西(xi)(xi)門(men)子(zi)(zi)力矩電機轉子(zi)(zi)脫(tuo)落(磁鐵壞)恒稅(shui)公司是(shi)國內(nei)較早從事工控(kong)設備維(wei)修單位(wei),是(shi)德國SIEMENS西(xi)(xi)門(men)子(zi)(zi)專業(ye)維(wei)修單位(wei),目前擁(yong)有維(wei)修工程(cheng)師和先(xian)進的(de)維(wei)修設備,具(ju)有豐富的(de)維(wei)修技(ji)術和經驗。我們(men)一直專注維(wei)修技(ji)術的(de)研究,保證(zheng)不在次損壞機器,不收取任何檢測費用(yong),維(wei)修西(xi)(xi)門(men)子(zi)(zi)就找專修西(xi)(xi)門(men)子(zi)(zi)公司!
西門子力矩電機轉子脫落(磁鐵壞)
致力(li)于做上海西門(men)子(zi)維修企業(ye),及時為客戶提(ti)供高品質(zhi)的維修服務和(he)技術(shu)支持(chi)-何工
維修(xiu)請選擇我們:從業至今十一年(nian)維修(xiu)經驗,與國(guo)(guo)內外多家科研(yan)機構均有深度技術合作,自主(zhu)研(yan)發(fa)多種(zhong)高精密測試儀(yi)器,維修(xiu)過(guo)的(de)西門子不少于150種(zhong),維修(xiu)過(guo)的(de)各種(zhong)不同型號(hao)不少于8萬種(zhong),保障修(xiu)復(fu)率(lv)總體保持在95%以上,占(zhan)具國(guo)(guo)內同行業先水平。修(xiu)好的(de)設備客戶收到(dao)后無需(xu)再調試,裝(zhuang)機即可使用。正常使用可達到(dao)和設備一樣的(de)性能和使用年(nian)限(xian)(xian)。現(xian)在維修(xiu)的(de)級別可以不限(xian)(xian)任何品牌,不限(xian)(xian)任何型號(hao),不限(xian)(xian)任何生(sheng)產(chan)年(nian)份的(de)設備。只要(yao)是西門子的(de)故障我們就可以維修(xiu)。維修(xiu)所需(xu)更換的(de)配件,均為原廠。
西門子力矩電機轉子脫落(磁鐵壞)
對于(yu)電機是否(fou)損(sun)壞的(de)檢(jian)驗方(fang)法:
1、 萬用(yong)表(biao)測電流,三(san)相不平衡率不大于(yu)10%;
2、搖表(biao)測絕緣,每相(xiang)對(dui)地(di)、相(xiang)間均不小(xiao)于0.5兆(zhao);
3、電(dian)(dian)(dian)(dian)(dian)橋測(ce)直流電(dian)(dian)(dian)(dian)(dian)阻(zu),三(san)(san)相(xiang)(xiang)(xiang)不平衡(heng)率(lv)不大(da)(da)(da)于(yu)2%;即首先用萬用表(biao)去量電(dian)(dian)(dian)(dian)(dian)壓以及(ji)電(dian)(dian)(dian)(dian)(dian)阻(zu)(沒(mei)搖(yao)表(biao)的(de)(de)(de)情況下),電(dian)(dian)(dian)(dian)(dian)機(ji)維修師傅表(biao)示首先在電(dian)(dian)(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)(dian)(dian)源(yuan)側(ce)UVW三(san)(san)相(xiang)(xiang)(xiang)中選取(qu)兩(liang)相(xiang)(xiang)(xiang),測(ce)量一(yi)下兩(liang)端(duan)電(dian)(dian)(dian)(dian)(dian)壓是(shi)(shi)(shi)否(fou)為(wei)380v(高于(yu)380V沒(mei)事)由于(yu)電(dian)(dian)(dian)(dian)(dian)網中有時電(dian)(dian)(dian)(dian)(dian)壓不穩定(ding)導致的(de)(de)(de)。依次測(ce)量UV ,VW ,UW三(san)(san)相(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)源(yuan)。當電(dian)(dian)(dian)(dian)(dian)源(yuan)側(ce)測(ce)量完成之后測(ce)量負載端(duan),測(ce)量uv ,vw ,uw這三(san)(san)相(xiang)(xiang)(xiang)之間的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)是(shi)(shi)(shi)否(fou)相(xiang)(xiang)(xiang)同或者講(jiang)差別(bie)不大(da)(da)(da),如果發現其中有一(yi)對電(dian)(dian)(dian)(dian)(dian)阻(zu)偏離(li)較大(da)(da)(da)則有可(ke)能是(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)機(ji)燒毀了。后測(ce)其中一(yi)相(xiang)(xiang)(xiang)對地的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)是(shi)(shi)(shi)否(fou)為(wei)0,這樣可(ke)以判斷電(dian)(dian)(dian)(dian)(dian)機(ji)是(shi)(shi)(shi)否(fou)燒毀了。(電(dian)(dian)(dian)(dian)(dian)機(ji)內部采取(qu)△接(jie)法,內部連在一(yi)起故只要測(ce)量其中的(de)(de)(de)一(yi)相(xiang)(xiang)(xiang)即可(ke))
力(li)矩電機轉(zhuan)子脫落(luo)(磁鐵壞);電機在拆卸前應做的檢查和試驗有以下幾點:
(1)電(dian)機(ji)維修在拆卸前,要用壓(ya)縮空(kong)氣(qi)吹(chui)凈電(dian)機(ji)表(biao)面灰塵(chen),并將表(biao)面污垢擦拭干凈。
(2)選擇電機解體的工作地點,清理現(xian)場環(huan)境。
(3)熟(shu)悉(xi)電機結(jie)構特點和(he)檢修技術(shu)要求。
(4)準備好解體(ti)所需工(gong)具(包括(kuo)專用工(gong)具)和設備。
(5)為了進(jin)一(yi)步了解電(dian)(dian)(dian)機(ji)運行(xing)中的缺陷,有條件時可(ke)在拆卸前做一(yi)次檢(jian)查試(shi)驗。為此,將電(dian)(dian)(dian)機(ji)帶上負載(zai)試(shi)轉,詳(xiang)細檢(jian)查電(dian)(dian)(dian)機(ji)各部(bu)分溫度(du)、聲(sheng)音、振動等情況,并測(ce)試(shi)電(dian)(dian)(dian)壓、電(dian)(dian)(dian)流、轉速(su)等,然后(hou)再(zai)斷開(kai)負載(zai),單獨做一(yi)次空載(zai)檢(jian)查試(shi)驗,測(ce)出空載(zai)電(dian)(dian)(dian)流和(he)空載(zai)損耗(hao),做好記錄。
(6)切斷電(dian)源,拆除(chu)電(dian)機外部接線,做好記(ji)錄。
(7)選用(yong)合適電(dian)壓(ya)的兆歐表測試電(dian)機絕緣電(dian)阻。為了跟上(shang)次(ci)檢修時所(suo)測的絕緣電(dian)阻值(zhi)相(xiang)比較以判斷(duan)電(dian)機絕緣變(bian)化趨勢和(he)絕緣狀態,應將(jiang)不同溫度(du)下測出的絕緣電(dian)阻值(zhi)換算(suan)到同一溫度(du),一般換算(suan)至75℃。空(kong)氣濾芯
(8)測試(shi)吸(xi)收比(bi)K。當吸(xi)收比(bi)大于1.33時,表(biao)明電機絕緣不(bu)曾受(shou)潮或受(shou)潮程度不(bu)嚴(yan)重。為了跟以前數據進行(xing)比(bi)較,同樣要將任(ren)意溫度下(xia)測得的吸(xi)收比(bi)換算到同一(yi)溫度。
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