西(xi)門子(zi)G150變(bian)頻器開不了機不啟動(dong)解決,西(xi)門子(zi)交流變(bian)頻調速(su)器維(wei)(wei)修(xiu)(xiu),恒稅公司(si)是國內(nei)較早從事(shi)工控設(she)備(bei)維(wei)(wei)修(xiu)(xiu)單位,是德國SIEMENS西(xi)門子(zi)專業維(wei)(wei)修(xiu)(xiu)單位,目前(qian)擁有維(wei)(wei)修(xiu)(xiu)工程師(shi)和先進的維(wei)(wei)修(xiu)(xiu)設(she)備(bei),具有豐(feng)富的維(wei)(wei)修(xiu)(xiu)技術和經驗。我們一直專注維(wei)(wei)修(xiu)(xiu)技術的研究,保證不在(zai)次損(sun)壞機器,不收取(qu)任何(he)檢測費用,維(wei)(wei)修(xiu)(xiu)西(xi)門子(zi)就找專修(xiu)(xiu)西(xi)門子(zi)公司(si)!
西門子G150變頻器開不了機不啟動解決,西門子交流變頻調速器修復方法
西(xi)門(men)(men)子G150變頻器開機(ji)后無任何反應(ying)維(wei)修,對于(yu)我們恒(heng)稅維(wei)修公司來(lai)說已(yi)經是“家常便飯(fan)"了,每(mei)個月都有(you)客戶打電話來(lai)說西(xi)門(men)(men)子G150壞了,開機(ji)沒(mei)反應(ying),變頻器面(mian)板電源指(zhi)示燈不(bu)(bu)亮了,面(mian)板顯(xian)(xian)示器也(ye)不(bu)(bu)顯(xian)(xian)示,開機(ji)顯(xian)(xian)示器無任何字符,同時按操作面(mian)板上的所(suo)有(you)鍵也(ye)都沒(mei)有(you)反應(ying),散熱風扇也(ye)不(bu)(bu)轉了。如果客戶距離比較遠的話,就(jiu)讓客戶把變頻器寄過來(lai)維(wei)修
西門子(zi)G150變頻器開(kai)機后無任何反應維修時,恒稅電(dian)氣是這樣(yang)做的(de):
首先我們先把變頻(pin)器檢測一(yi)遍后再分(fen)析,通過我們以西門子G150變頻(pin)器的整機的結構、各電(dian)(dian)路的作(zuo)(zuo)用以及各電(dian)(dian)路之間(jian)的連接與工作(zuo)(zuo)順序來分(fen)析。
首先檢(jian)(jian)測(ce)(ce)西門子G150變頻器交(jiao)(jiao)流(liu)(liu)(liu)如端(duan)(duan)接(jie)觸點有無交(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)輸入(ru),如果(guo)如端(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)正(zheng)常(chang),我們可以拆機檢(jian)(jian)查測(ce)(ce)量(liang)主電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong)整(zheng)(zheng)流(liu)(liu)(liu)濾波(bo)(bo)之(zhi)后(hou)濾波(bo)(bo)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器兩端(duan)(duan)的直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)是(shi)(shi)否(fou)正(zheng)常(chang)。如果(guo)測(ce)(ce)量(liang)時(shi)直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei)(wei)0,檢(jian)(jian)查抗干擾電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong)交(jiao)(jiao)流(liu)(liu)(liu)熔絲與熱敏電(dian)(dian)(dian)(dian)(dian)(dian)阻等是(shi)(shi)否(fou)開(kai)(kai)路(lu)(lu)。同時(shi)檢(jian)(jian)查整(zheng)(zheng)流(liu)(liu)(liu)濾波(bo)(bo)元(yuan)件,如果(guo)濾波(bo)(bo)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器兩端(duan)(duan)直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)正(zheng)常(chang),再測(ce)(ce)二次(ci)開(kai)(kai)關(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源脈(mo)沖變頻器次(ci)級各(ge)整(zheng)(zheng)流(liu)(liu)(liu)濾波(bo)(bo)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)是(shi)(shi)否(fou)都符合(he)標準。如果(guo)各(ge)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)都為(wei)(wei)0,說明(ming)二次(ci)開(kai)(kai)關(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源沒有振蕩(dang)(dang)。重點檢(jian)(jian)測(ce)(ce)振蕩(dang)(dang)開(kai)(kai)關(guan)(guan)管與正(zheng)反饋電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)以及開(kai)(kai)關(guan)(guan)振蕩(dang)(dang)管源極對地保險電(dian)(dian)(dian)(dian)(dian)(dian)阻是(shi)(shi)否(fou)開(kai)(kai)路(lu)(lu)。如果(guo)我們測(ce)(ce)試開(kai)(kai)關(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源脈(mo)沖變壓(ya)(ya)器應(ying)該顯示字符。當我們操作RUN啟動鍵(jian)時(shi),應(ying)測(ce)(ce)U、V、W三端(duan)(duan)有無變頻交(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)輸出且各(ge)輸是(shi)(shi)否(fou)正(zheng)常(chang),三相電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)是(shi)(shi)否(fou)平(ping)衡。
西門(men)子G150變頻(pin)(pin)器開機(ji)后(hou)無任何(he)反應(ying)維修,根據上(shang)述分析來看,客戶的變頻(pin)(pin)器主(zhu)要故(gu)障(zhang)主(zhu)要出(chu)現(xian)在(zai)主(zhu)電(dian)(dian)路(lu)(lu)中的抗(kang)干擾與(yu)整(zheng)流濾波以(yi)及二次開關電(dian)(dian)源(yuan)等電(dian)(dian)路(lu)(lu)問題(ti)。按電(dian)(dian)路(lu)(lu)的工作順序去檢查(cha),可以(yi)使電(dian)(dian)源(yuan)指示(shi)燈亮,面板(ban)顯示(shi)器顯示(shi)字符(fu),然后(hou)再分析檢查(cha)。**檢修啟動后(hou),U、V、W三端輸出(chu)**頻(pin)(pin)率(lv)的三相(xiang)相(xiang)互平衡的交(jiao)流電(dian)(dian)壓送電(dian)(dian)動機(ji)。
無論(lun)任何電氣(qi)設備在(zai)出(chu)現(xian)故障時,都是(shi)由整機某一(yi)單元電路(lu)(lu)或某一(yi)元器件損壞而造成(cheng)的(de)。我們(men)要(yao)將整機每個單元小路(lu)(lu)工作與結構(gou)特點(dian)詳細搞清晰,明白(bai)每個單元電路(lu)(lu)中每個重(zhong)要(yao)容易損壞的(de)元件在(zai)本(ben)電路(lu)(lu)所處的(de)位(wei)置,起什么作用(yong),才能分(fen)析出(chu)西門子(zi)G150變頻器開要(yao)后無任何反應(ying),是(shi)哪一(yi)部分(fen)出(chu)現(xian)了問題
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