變(bian)頻(pin)(pin)器(qi)維修(xiu)(xiu)的(de)故障判(pan)斷：整流(liu)模(mo)塊(kuai)損(sun)壞(huai)(huai)(huai)(huai)通(tong)常(chang)(chang)(chang)是(shi)(shi)由(you)(you)(you)于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)或內部短路(lu)(lu)引(yin)(yin)起(qi)。在(zai)排除內部短路(lu)(lu)情況下，更(geng)換整流(liu)橋(qiao)。在(zai)現場處(chu)理(li)故障時，應重點(dian)檢(jian)(jian)查用(yong)戶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)情況，如(ru)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，有(you)無(wu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)焊(han)機(ji)等對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)有(you)污(wu)染的(de)設備等。逆變(bian)模(mo)塊(kuai)損(sun)壞(huai)(huai)(huai)(huai)通(tong)常(chang)(chang)(chang)是(shi)(shi)由(you)(you)(you)于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜損(sun)壞(huai)(huai)(huai)(huai)及驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)故障引(yin)(yin)起(qi)。在(zai)修(xiu)(xiu)復驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)之后(hou)(hou)，測(ce)驅(qu)動(dong)(dong)波形(xing)良好(hao)狀態下，更(geng)換模(mo)塊(kuai)。在(zai)現場服務(wu)中更(geng)換驅(qu)動(dong)(dong)板(ban)之后(hou)(hou)，須注意檢(jian)(jian)查馬達及連接電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜。在(zai)確定無(wu)任(ren)何故障下，才能運行(xing)變(bian)頻(pin)(pin)器(qi)。上電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)無(wu)顯示(shi)通(tong)常(chang)(chang)(chang)是(shi)(shi)由(you)(you)(you)于(yu)(yu)開關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源損(sun)壞(huai)(huai)(huai)(huai)或軟充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)損(sun)壞(huai)(huai)(huai)(huai)使直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)無(wu)直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)引(yin)(yin)起(qi)，如(ru)啟動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)損(sun)壞(huai)(huai)(huai)(huai)，操作面板(ban)損(sun)壞(huai)(huai)(huai)(huai)同樣會產生這種狀況。顯示(shi)過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)或欠電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)通(tong)常(chang)(chang)(chang)由(you)(you)(you)于(yu)(yu)輸(shu)入缺相，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)老(lao)化(hua)及電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)板(ban)受潮引(yin)(yin)起(qi)。解決方法是(shi)(shi)找(zhao)出(chu)其(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)檢(jian)(jian)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)及檢(jian)(jian)測(ce)點(dian)，更(geng)換損(sun)壞(huai)(huai)(huai)(huai)的(de)器(qi)件。顯示(shi)過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)或接地短路(lu)(lu)通(tong)常(chang)(chang)(chang)是(shi)(shi)由(you)(you)(you)于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)檢(jian)(jian)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)損(sun)壞(huai)(huai)(huai)(huai)。如(ru)霍爾元件、運放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)等。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源與(yu)驅(qu)動(dong)(dong)板(ban)啟動(dong)(dong)顯示(shi)過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)通(tong)常(chang)(chang)(chang)是(shi)(shi)由(you)(you)(you)于(yu)(yu)驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)或逆變(bian)模(mo)塊(kuai)損(sun)壞(huai)(huai)(huai)(huai)引(yin)(yin)起(qi)。空載(zai)輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)正常(chang)(chang)(chang)，帶(dai)載(zai)后(hou)(hou)顯示(shi)過載(zai)或過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)通(tong)常(chang)(chang)(chang)是(shi)(shi)由(you)(you)(you)于(yu)(yu)參數設置(zhi)不當或驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)老(lao)化(hua)，模(mo)塊(kuai)損(sun)壞(huai)(huai)(huai)(huai)引(yin)(yin)起(qi)。變(bian)頻(pin)(pin)器(qi)維修(xiu)(xiu)工廠，歡迎(ying)咨詢上海楓(feng)逸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)自(zi)動(dong)(dong)化(hua)有(you)限公(gong)司。河北常(chang)(chang)(chang)規變(bian)頻(pin)(pin)器(qi)維修(xiu)(xiu)保養(yang)

測(ce)(ce)試(shi)逆變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)(dian)路：將紅(hong)表(biao)棒接(jie)(jie)(jie)(jie)到(dao)(dao)P端，黑(hei)表(biao)棒分(fen)別接(jie)(jie)(jie)(jie)U、V、W上，應(ying)該(gai)有(you)幾十歐(ou)的(de)阻(zu)值(zhi)，且(qie)各(ge)相(xiang)阻(zu)值(zhi)基本相(xiang)同，反相(xiang)應(ying)該(gai)為無(wu)窮大。將黑(hei)表(biao)棒N端，重復(fu)以上步驟應(ying)得到(dao)(dao)相(xiang)同結果(guo)，否(fou)(fou)則可(ke)確定逆變(bian)(bian)模塊有(you)故障。在表(biao)態(tai)測(ce)(ce)試(shi)結果(guo)正(zheng)(zheng)常以后(hou)，才可(ke)進行動(dong)態(tai)測(ce)(ce)試(shi)，即上電(dian)(dian)(dian)(dian)(dian)(dian)試(shi)機(ji)(ji)(ji)。在上電(dian)(dian)(dian)(dian)(dian)(dian)前后(hou)必(bi)須(xu)注(zhu)意(yi)以下幾點(dian)：上電(dian)(dian)(dian)(dian)(dian)(dian)之前，須(xu)確認輸入電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)是(shi)否(fou)(fou)有(you)誤(wu)，將380V電(dian)(dian)(dian)(dian)(dian)(dian)源接(jie)(jie)(jie)(jie)入220V級(ji)變(bian)(bian)頻(pin)(pin)器之中會出(chu)(chu)現炸(zha)機(ji)(ji)(ji)（炸(zha)電(dian)(dian)(dian)(dian)(dian)(dian)容、壓(ya)敏電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)、模塊等）；檢(jian)(jian)查變(bian)(bian)頻(pin)(pin)器各(ge)接(jie)(jie)(jie)(jie)插口(kou)是(shi)否(fou)(fou)已正(zheng)(zheng)確連(lian)接(jie)(jie)(jie)(jie)，連(lian)接(jie)(jie)(jie)(jie)是(shi)否(fou)(fou)有(you)松動(dong)，連(lian)接(jie)(jie)(jie)(jie)異常有(you)時(shi)可(ke)能(neng)會導致變(bian)(bian)頻(pin)(pin)器出(chu)(chu)現故障，嚴重時(shi)會出(chu)(chu)炸(zha)機(ji)(ji)(ji)等情(qing)況(kuang)；上電(dian)(dian)(dian)(dian)(dian)(dian)后(hou)檢(jian)(jian)測(ce)(ce)故障顯(xian)示內(nei)容，并初(chu)步斷定故障及(ji)原因；如未顯(xian)示故障，首先檢(jian)(jian)查參(can)數(shu)是(shi)否(fou)(fou)有(you)異常，并將參(can)數(shu)復(fu)歸(gui)后(hou)，在空(kong)載(zai)（不接(jie)(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)）情(qing)況(kuang)下啟動(dong)變(bian)(bian)頻(pin)(pin)器，并測(ce)(ce)試(shi)U、V、W三相(xiang)輸出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)值(zhi)。如出(chu)(chu)現缺相(xiang)、三相(xiang)不平(ping)衡(heng)等情(qing)況(kuang)，則模塊或驅動(dong)板等有(you)故障；在輸出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)正(zheng)(zheng)常（無(wu)缺相(xiang)、三相(xiang)平(ping)衡(heng)）的(de)情(qing)況(kuang)下，負載(zai)測(ce)(ce)試(shi)，盡量(liang)是(shi)滿負載(zai)測(ce)(ce)試(shi)。湖北進口(kou)變(bian)(bian)頻(pin)(pin)器維修(xiu)基礎由于(yu)逆變(bian)(bian)器件(jian)的(de)過(guo)載(zai)能(neng)力較差，所以變(bian)(bian)頻(pin)(pin)器的(de)過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)流保護(hu)是(shi)至關重要的(de)一環。

變頻(pin)(pin)器(qi)維(wei)修之降溫(wen)(wen)(wen)檢查法(fa)此(ci)法(fa)對于一(yi)些特殊的(de)故(gu)(gu)障(zhang)非常(chang)見效。人為地給一(yi)些溫(wen)(wen)(wen)度(du)(du)(du)特性(xing)較(jiao)差的(de)元件加(jia)溫(wen)(wen)(wen)或降溫(wen)(wen)(wen)，產(chan)生“病癥(zheng)”或消(xiao)除“病癥(zheng)來(lai)查找故(gu)(gu)障(zhang)原因〖例〗有一(yi)臺德力西變頻(pin)(pin)器(qi)故(gu)(gu)障(zhang)。用戶反映該變頻(pin)(pin)器(qi)經常(chang)參數初始化(hua)停(ting)機，一(yi)般重新(xin)設定參數后20分鐘到30分鐘故(gu)(gu)障(zhang)重現。首先我認為該故(gu)(gu)障(zhang)應該與(yu)溫(wen)(wen)(wen)度(du)(du)(du)有關，因為運行到這(zhe)個時(shi)間(jian)后變頻(pin)(pin)器(qi)溫(wen)(wen)(wen)度(du)(du)(du)會升(sheng)高的(de)。我用熱風(feng)焊臺加(jia)熱熱敏電阻，當加(jia)熱到風(feng)扇(shan)啟動(dong)(dong)的(de)溫(wen)(wen)(wen)度(du)(du)(du)時(shi)，觀察到控制(zhi)(zhi)面板(ban)(ban)的(de)LED忽(hu)然掉(diao)電然后又亮起來(lai)接(jie)下來(lai)忽(hu)明忽(hu)暗的(de)閃動(dong)(dong)，拿走熱風(feng)30秒后控制(zhi)(zhi)板(ban)(ban)的(de)LED不再(zai)閃動(dong)(dong)，而是正常(chang)的(de)顯示。采用隔(ge)離法(fa)拔掉(diao)所有的(de)風(feng)扇(shan)插頭(tou)，再(zai)次加(jia)溫(wen)(wen)(wen)實(shi)驗，故(gu)(gu)障(zhang)消(xiao)除。檢查到風(feng)扇(shan)全部(bu)短路。看(kan)來(lai)是溫(wen)(wen)(wen)度(du)(du)(du)到了以后，控制(zhi)(zhi)板(ban)(ban)給出風(feng)扇(shan)運轉信號，結果短路的(de)風(feng)扇(shan)造(zao)(zao)成開關電源過載關閉輸(shu)出，控制(zhi)(zhi)板(ban)(ban)迅速失電而參數存儲(chu)錯誤，造(zao)(zao)成參數復(fu)位。換掉(diao)風(feng)扇(shan)，問題解決(jue)。

“鉗式電(dian)(dian)(dian)流表(biao)”，主要(yao)用(yong)來測(ce)(ce)(ce)量(liang)變(bian)(bian)頻(pin)(pin)器(qi)(qi)(qi)的(de)(de)輸(shu)出(chu)(chu)(chu)電(dian)(dian)(dian)流，輸(shu)出(chu)(chu)(chu)電(dian)(dian)(dian)壓(ya)(ya)(ya)，一些(xie)通(tong)斷！這里有一點需(xu)要(yao)注(zhu)意(yi)，變(bian)(bian)頻(pin)(pin)器(qi)(qi)(qi)的(de)(de)輸(shu)出(chu)(chu)(chu)電(dian)(dian)(dian)壓(ya)(ya)(ya)不(bu)是正弦(xian)波，買(mai)之前一定(ding)要(yao)確(que)認能(neng)(neng)否測(ce)(ce)(ce)變(bian)(bian)頻(pin)(pin)器(qi)(qi)(qi)輸(shu)出(chu)(chu)(chu)電(dian)(dian)(dian)壓(ya)(ya)(ya)！電(dian)(dian)(dian)流量(liang)程不(bu)低于400安培。“萬用(yong)表(biao)”要(yao)求也是一樣能(neng)(neng)測(ce)(ce)(ce)變(bian)(bian)頻(pin)(pin)器(qi)(qi)(qi)的(de)(de)輸(shu)出(chu)(chu)(chu)電(dian)(dian)(dian)壓(ya)(ya)(ya)！有條件(jian)的(de)(de)話是帶有真實(shi)有效(xiao)值測(ce)(ce)(ce)量(liang)的(de)(de)萬用(yong)表(biao)！但是價格不(bu)菲基本兩千起步。優點是他可以當(dang)(dang)示(shi)(shi)波器(qi)(qi)(qi)使用(yong)！做變(bian)(bian)頻(pin)(pin)器(qi)(qi)(qi)維修這行(xing)會遇到(dao)特(te)殊情(qing)況(kuang)，維修現(xian)場沒有條件(jian)使用(yong)示(shi)(shi)波器(qi)(qi)(qi)，那(nei)么這時(shi)(shi)候帶真實(shi)有效(xiao)值測(ce)(ce)(ce)量(liang)的(de)(de)可以臨(lin)時(shi)(shi)當(dang)(dang)示(shi)(shi)波器(qi)(qi)(qi)使用(yong)！示(shi)(shi)波器(qi)(qi)(qi)，畢竟示(shi)(shi)波器(qi)(qi)(qi)能(neng)(neng)直觀地看到(dao)板路輸(shu)出(chu)(chu)(chu)的(de)(de)控制波形細(xi)節，能(neng)(neng)夠更精確(que)的(de)(de)判斷故障位(wei)置(zhi)！還有必須(xu)要(yao)一個(ge)示(shi)(shi)波器(qi)(qi)(qi)高壓(ya)(ya)(ya)探(tan)(tan)頭(tou)，畢竟普通(tong)示(shi)(shi)波器(qi)(qi)(qi)探(tan)(tan)頭(tou)只能(neng)(neng)測(ce)(ce)(ce)量(liang)弱(ruo)電(dian)(dian)(dian)信號，想要(yao)測(ce)(ce)(ce)強(qiang)電(dian)(dian)(dian)信號必須(xu)使用(yong)高壓(ya)(ya)(ya)探(tan)(tan)頭(tou)！變(bian)(bian)頻(pin)(pin)器(qi)(qi)(qi)維修價格是多少？歡迎咨(zi)詢上海楓逸(yi)電(dian)(dian)(dian)氣自動(dong)化有限公司。

過(guo)載也是變(bian)(bian)頻器(qi)(qi)跳動比(bi)較頻繁的(de)(de)故障之(zhi)一，平時看(kan)到過(guo)載現(xian)象我(wo)們其實(shi)首(shou)先應該分(fen)析一下到底是馬(ma)(ma)達過(guo)載還(huan)是變(bian)(bian)頻器(qi)(qi)自身(shen)過(guo)載，一般來講馬(ma)(ma)達由(you)于(yu)過(guo)載能力較強，只要變(bian)(bian)頻器(qi)(qi)參數表的(de)(de)電(dian)機參數設置得當(dang)，一般不(bu)大(da)會出(chu)現(xian)馬(ma)(ma)達過(guo)載。而變(bian)(bian)頻器(qi)(qi)本身(shen)由(you)于(yu)過(guo)載能力較差很容易出(chu)現(xian)過(guo)載報警。我(wo)們可以(yi)檢測變(bian)(bian)頻器(qi)(qi)輸出(chu)電(dian)壓。這是眾多變(bian)(bian)頻器(qi)(qi)常見的(de)(de)故障，通常是由(you)于(yu)開(kai)(kai)關(guan)(guan)電(dian)源(yuan)的(de)(de)負載發生短路(lu)造成的(de)(de)，丹(dan)佛斯變(bian)(bian)頻器(qi)(qi)采用(yong)了新型脈寬集(ji)成控制器(qi)(qi)UC2844來調整開(kai)(kai)關(guan)(guan)電(dian)源(yuan)的(de)(de)輸出(chu)，同時 UC2844還(huan)帶有(you)電(dian)流檢測，電(dian)壓反饋等功能，當(dang)發生無(wu)顯示，控制端(duan)子無(wu)電(dian)壓，DC12V，24V風扇不(bu)運轉等現(xian)象時我(wo)們首(shou)先應該考慮是否開(kai)(kai)關(guan)(guan)電(dian)源(yuan)損壞了。變(bian)(bian)頻器(qi)(qi)的(de)(de)電(dian)源(yuan)線直(zhi)接從變(bian)(bian)壓器(qi)(qi)側(ce)供電(dian)。湖北本地變(bian)(bian)頻器(qi)(qi)維(wei)修(xiu)值多少(shao)錢(qian)

變頻器(qi)(qi)維修廠家(jia)電(dian)話，歡迎(ying)咨詢(xun)上海(hai)楓(feng)逸電(dian)氣自動化有(you)限公司。河北常規變頻器(qi)(qi)維修保養

關(guan)于變(bian)(bian)頻(pin)器(qi)的(de)(de)選型(xing)：一(yi)(yi)般情(qing)況(kuang)下，變(bian)(bian)頻(pin)器(qi)有兩種(zhong)型(xing)號(hao)，一(yi)(yi)種(zhong)是(shi)G型(xing)，一(yi)(yi)種(zhong)是(shi)P型(xing)，恒轉矩的(de)(de)是(shi)G型(xing)，平(ping)(ping)方(fang)(fang)轉矩的(de)(de)是(shi)P型(xing)。變(bian)(bian)頻(pin)器(qi)型(xing)號(hao)的(de)(de)選擇，必須由負(fu)載(zai)類(lei)型(xing)決定。通(tong)常情(qing)況(kuang)下，機械、設備(bei)生產線等的(de)(de)負(fu)載(zai)指(zhi)(zhi)恒轉矩（G型(xing)）負(fu)載(zai)；一(yi)(yi)般風機、水泵類(lei)負(fu)載(zai)指(zhi)(zhi)平(ping)(ping)方(fang)(fang)轉矩（P型(xing)）負(fu)載(zai)。事實上，有些品(pin)牌變(bian)(bian)頻(pin)器(qi)直接(jie)將(jiang)水泵類(lei)負(fu)載(zai)劃分成一(yi)(yi)個系(xi)列，只需區分型(xing)號(hao)和通(tong)用類(lei)型(xing)，方(fang)(fang)便(bian)用戶直接(jie)按照負(fu)載(zai)類(lei)型(xing)選擇變(bian)(bian)頻(pin)器(qi)。市面上G/P型(xing)合(he)一(yi)(yi)的(de)(de)變(bian)(bian)頻(pin)器(qi)占多半，G型(xing)比P型(xing)要小一(yi)(yi)個功(gong)率段。

上(shang)海(hai)楓逸(yi)電(dian)氣自動(dong)化有(you)限公司位(wei)于上(shang)海(hai)市閔行區聯航路1188號(hao)9號(hao)樓4層(ceng)G3。在(zai)市場經濟的浪潮(chao)中拼博和(he)發(fa)展(zhan)，目前上(shang)海(hai)楓逸(yi)電(dian)氣自動(dong)在(zai)機械及行業(ye)設備中擁有(you)較高的**度(du)，享(xiang)有(you)良好(hao)的聲譽。上(shang)海(hai)楓逸(yi)電(dian)氣自動(dong)取得全網商盟認證，標(biao)志著我們(men)的服(fu)務和(he)管理水平達到(dao)了(le)一個(ge)新(xin)的高度(du)。上(shang)海(hai)楓逸(yi)電(dian)氣自動(dong)全體員工愿與各界有(you)識之士共(gong)同發(fa)展(zhan)，共(gong)創(chuang)美好(hao)未來。

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