6SE7035-1EK60適(shi)(shi)量變頻器(qi)壞(huai)維修中心,無(wu)電(dian)(dian)壓,無(wu)顯示,模(mo)塊(kuai)炸,變頻器(qi)異響(xiang),變頻器(qi)報警,通訊不(bu)上,帶(dai)不(bu)動負載,電(dian)(dian)機(ji)不(bu)轉,電(dian)(dian)機(ji)抖動,面板顯示’E’,面板無(wu)顯示,電(dian)(dian)壓輸(shu)出不(bu)平(ping)衡,運行幾(ji)分鐘報過(guo)(guo)流(liu).缺(que)相、過(guo)(guo)流(liu)、過(guo)(guo)壓、欠壓、過(guo)(guo)熱、過(guo)(guo)載、接地,報錯等等故(gu)障維修。德國西門子工業(ye)適(shi)(shi)量變頻器(qi)壞(huai)維修中心。
6SE7035-1EK60適量變頻器壞維修中心,我公司是上海西(xi)門(men)子維修較專業的中心,擁(yong)有大量西(xi)門(men)子配件和(he)經驗豐富的技(ji)術人員(yuan),修復率高(gao),速(su)度快(kuai)。
6SE7035-1EK60適量變頻器壞維修中心,西門(men)(men)子6SE70變頻器維修,西門(men)(men)子6SE70適量變頻器維修,6SE7021逆變器維修,6SE70專業維修,6SE70VC維修,6SE70MC維修,F008,F029,F011,F026,F001,F002,F006,顯示"E"無顯示,電壓輸出不(bu)平(ping)衡,運行幾分鐘報過流,低速電機抖動等故障,配件齊全(quan),西門(men)(men)子專業測試設備,維修質(zhi)量保證(zheng)。
,性(xing)(xing)能指標是(shi)指IC 的主要(yao)(yao)(yao)電(dian)(dian)(dian)參(can)(can)數(shu)(或主要(yao)(yao)(yao)特(te)性(xing)(xing)曲線)、耗散功率(lv)、工作電(dian)(dian)(dian)壓(ya)(ya)、頻(pin)率(lv)范圍(wei)及各信號輸(shu)入、輸(shu)出阻抗等參(can)(can)數(shu)要(yao)(yao)(yao)與原(yuan)IC相近,焊接時用(yong)手輕壓(ya)(ya)在集成電(dian)(dian)(dian)路表面,若(ruo)測出均為幾十(shi)至(zhi)上百千(qian)歐的高電(dian)(dian)(dian)阻 b,實(shi)際并不(bu)放(fang)電(dian)(dian)(dian);對于小(xiao)功率(lv)的變頻(pin)器很有(you)(you)放(fang)電(dian)(dian)(dian)電(dian)(dian)(dian)阻損壞2、 欠電(dian)(dian)(dian)壓(ya)(ya)保護產生欠電(dian)(dian)(dian)壓(ya)(ya)的原(yuan)因及處理方法:① 電(dian)(dian)(dian)源電(dian)(dian)(dian)壓(ya)(ya)太低② 電(dian)(dian)(dian)源缺(que)相;③ 整流(liu)(liu)橋故障:如果六(liu)個(ge)整流(liu)(liu)二極管中有(you)(you)部(bu)分(fen)因損壞而短(duan)路,工作頻(pin)率(lv)也(ye)不(bu)夠高,則轉子(zi)固(gu)有(you)(you)頻(pin)率(lv)附近的噪聲增大(da)。
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2、IGBT模塊的(de)簡單測量方(fang)法
變頻器(qi)(qi)輸出電(dian)壓不(bu)平衡(heng)表現(xian)為馬達抖動(dong)(dong),轉速不(bu)穩,一(yi)(yi)般(ban)沒有(you)經驗(yan)是很難判(pan)定是哪路(lu)(lu)驅動(dong)(dong)有(you)問題(ti),這(zhe)時(shi)可啟動(dong)(dong)變頻器(qi)(qi)2hz,用萬用表直流電(dian)壓檔分(fen)別測:p-u、p-v、p-w及u-n、v-n、w-n的(de)電(dian)壓值(zhi),這(zhe)6路(lu)(lu)電(dian)壓這(zhe)時(shi)也會不(bu)一(yi)(yi)樣,那一(yi)(yi)路(lu)(lu)偏(pian)高(gao)則(ze)這(zhe)一(yi)(yi)路(lu)(lu)有(you)問題(ti),其原理大家可自己畫圖(tu)分(fen)析一(yi)(yi)下(xia)。
對于IGBT模塊,我們介紹zui簡單的(de)測量方法(fa)(專業不是(shi)這樣測量)將(jiang)數字萬(wan)用(yong)(yong)(yong)表(biao)(biao)撥(bo)到二(er)(er)極(ji)管測試(shi)(shi)檔,測試(shi)(shi)IGBT模塊c1、e1、c2、e2之(zhi)間以及柵極(ji)g與e1、e2之(zhi)間正(zheng)反向二(er)(er)極(ji)管特性,來判斷IGBT模塊是(shi)否完好。以六相模塊為(wei)例。將(jiang)負載側u、v、w相的(de)導線(xian)拆除,使用(yong)(yong)(yong)二(er)(er)極(ji)管測試(shi)(shi)檔,黑(hei)(hei)表(biao)(biao)筆接p(集(ji)電極(ji)c1),紅(hong)表(biao)(biao)筆依次測u、v、w,萬(wan)用(yong)(yong)(yong)表(biao)(biao)顯(xian)示數值為(wei)無(wu)窮(qiong)大(da);將(jiang)表(biao)(biao)筆反過來,紅(hong)表(biao)(biao)筆接p,黑(hei)(hei)表(biao)(biao)筆測u、v、w,萬(wan)用(yong)(yong)(yong)表(biao)(biao)顯(xian)示數值為(wei)400左右。再將(jiang)黑(hei)(hei)表(biao)(biao)筆接n(發射極(ji)e2),紅(hong)表(biao)(biao)筆測u、v、w,萬(wan)用(yong)(yong)(yong)表(biao)(biao)顯(xian)示數值為(wei)400左右;紅(hong)表(biao)(biao)筆接p,黑(hei)(hei)表(biao)(biao)筆測u、v、w,萬(wan)用(yong)(yong)(yong)表(biao)(biao)顯(xian)示數值為(wei)無(wu)窮(qiong)大(da)。各相之(zhi)間的(de)正(zheng)反向特性應相同,若出現差(cha)別說明igbt模塊性能變差(cha),應予更換換。
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