西門子直流控制器無顯示-專業修復問題所在，西門子直流驅動器維修，西門子直流變頻器開不了及無反應維修，，上海恒稅電氣有限公司，你的選擇沒有錯。公司自成立以來，長期維修西門子變頻器及伺服驅動器的，觸摸屏，PLC，直流調速器等，積累了豐富的維修經驗，對所維修的機器建立完善的維修檔案，所有我們維修的機器我們都有完善的參數備份，確保我們維修的機器上機即能使用。

西門子直流控制器無顯示-專業修復問題所在：輸(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)抗器(qi)對(dui)(dui)短路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)限(xian)制(zhi)有沒(mei)有效果尚不得而知。刀熔(rong)開關(guan)對(dui)(dui)進(jin)線側(ce)保(bao)護(hu),出(chu)(chu)線是(shi)沒(mei)有任何硬件保(bao)護(hu)的(de)(de)(輸(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)抗器(qi)可(ke)(ke)以限(xian)制(zhi)短路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)流(liu)),運行現(xian)(xian)單相接地故障(全壓),燒(shao)你(ni)變頻(pin)(pin)器(qi)(帶(dai)輸(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)抗器(qi))沒(mei)商量,因為出(chu)(chu)線無短路(lu)(lu)(lu)(lu)保(bao)護(hu)。通電(dian)(dian)(dian)(dian)(dian)檢測(ce)(ce)發(fa)(fa)現(xian)(xian)，在運行時三(san)相輸(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)壓相差比較大，首先(xian)檢查(cha)(cha)功(gong)率(lv)模(mo)塊(kuai)是(shi)否(fou)損壞(huai)(huai)，然(ran)后(hou)檢測(ce)(ce)驅(qu)動輸(shu)出(chu)(chu)波形(xing)是(shi)否(fou)正(zheng)常(chang)，經檢查(cha)(cha)發(fa)(fa)現(xian)(xian)V相無驅(qu)動波形(xing)，依次測(ce)(ce)量該電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)阻、光(guang)耦等電(dian)(dian)(dian)(dian)(dian)子(zi)元(yuan)件后(hou)，發(fa)(fa)現(xian)(xian)V相上(shang)半(ban)橋光(guang)耦PC923損壞(huai)(huai)，更換(huan)后(hou)測(ce)(ce)量波形(xing)正(zheng)常(chang)。變頻(pin)(pin)器(qi)輸(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)壓平衡，帶(dai)電(dian)(dian)(dian)(dian)(dian)機(ji)運行正(zheng)常(chang)。首先(xian)我們可(ke)(ke)以對(dui)(dui)控(kong)(kong)制(zhi)器(qi)做(zuo)一(yi)個(ge)靜態的(de)(de)測(ce)(ce)試(shi)，一(yi)般通用型變頻(pin)(pin)器(qi)大致包括以下幾個(ge)部分(1)整(zheng)流(liu)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu);(2)直流(liu)中間電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu);(3)逆變電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu);(4)控(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)。靜態測(ce)(ce)試(shi)主(zhu)(zhu)要是(shi)對(dui)(dui)整(zheng)流(liu)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)，直流(liu)中間電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)和逆變電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)部分的(de)(de)大功(gong)率(lv)晶體管(功(gong)率(lv)模(mo)塊(kuai))的(de)(de)一(yi)個(ge)測(ce)(ce)試(shi)，工具主(zhu)(zhu)要是(shi)萬用表(biao)。整(zheng)流(liu)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(lu)主(zhu)(zhu)要是(shi)對(dui)(dui)整(zheng)流(liu)二極管的(de)(de)一(yi)個(ge)正(zheng)反向的(de)(de)測(ce)(ce)試(shi)來判斷它的(de)(de)好壞(huai)(huai)，當然(ran)我們還可(ke)(ke)以用耐(nai)壓表(biao)來測(ce)(ce)試(shi)。

西門子直(zhi)流(liu)控(kong)(kong)制器常(chang)見(jian)故障：主板(ban)(ban)壞(huai)，觸發板(ban)(ban)壞(huai)，上電跳閘(zha)(zha)，運(yun)(yun)(yun)行炸可控(kong)(kong)硅(gui)，模(mo)塊壞(huai)，IGBT燒，通(tong)電燒保險，無(wu)勵磁電壓，報勵磁故障，勵磁過流(liu)，速(su)(su)度不可控(kong)(kong)維(wei)修(xiu)(xiu)(xiu)，電壓很大(da)，電流(liu)有點高，超速(su)(su)維(wei)修(xiu)(xiu)(xiu)，帶負載(zai)報故障維(wei)修(xiu)(xiu)(xiu)，冷卻風(feng)機壞(huai)維(wei)修(xiu)(xiu)(xiu)，散(san)熱風(feng)扇(shan)壞(huai)維(wei)修(xiu)(xiu)(xiu)，直(zhi)流(liu)調速(su)(su)裝(zhuang)(zhuang)置風(feng)扇(shan)銷(xiao)(xiao)售(shou)，勵磁板(ban)(ban)銷(xiao)(xiao)售(shou)，電源(yuan)板(ban)(ban)銷(xiao)(xiao)售(shou)，可控(kong)(kong)硅(gui)銷(xiao)(xiao)售(shou)，晶閘(zha)(zha)管(guan)銷(xiao)(xiao)售(shou)，熔斷器銷(xiao)(xiao)售(shou)，主板(ban)(ban)銷(xiao)(xiao)售(shou)，面板(ban)(ban)銷(xiao)(xiao)售(shou)，擴展板(ban)(ban)銷(xiao)(xiao)售(shou)，CBP2板(ban)(ban)銷(xiao)(xiao)售(shou)，通(tong)訊(xun)板(ban)(ban)銷(xiao)(xiao)售(shou)，脈(mo)沖(chong)觸發板(ban)(ban)銷(xiao)(xiao)售(shou)，轉速(su)(su)度不穩(wen)定(ding)維(wei)修(xiu)(xiu)(xiu)，可控(kong)(kong)硅(gui)晶閘(zha)(zha)管(guan)燒維(wei)修(xiu)(xiu)(xiu)，直(zhi)流(liu)調速(su)(su)裝(zhuang)(zhuang)置無(wu)顯示維(wei)修(xiu)(xiu)(xiu)，A018,A015,運(yun)(yun)(yun)轉速(su)(su)度不連貫維(wei)修(xiu)(xiu)(xiu)，高速(su)(su)不穩(wen)定(ding)維(wei)修(xiu)(xiu)(xiu)，低速(su)(su)不穩(wen)定(ding)維(wei)修(xiu)(xiu)(xiu)，啟(qi)動合閘(zha)(zha)跳保險維(wei)修(xiu)(xiu)(xiu)，運(yun)(yun)(yun)轉不出力維(wei)修(xiu)(xiu)(xiu)，CUD1/2電路板(ban)(ban)維(wei)修(xiu)(xiu)(xiu)等等。