西門子(zi)(zi)(zi)6RA70直流(liu)調速裝置(zhi)啟動(dong)(dong)(dong)就跳閘(zha),直流(liu)控制器/驅動(dong)(dong)(dong)器/傳動(dong)(dong)(dong)器修(xiu)(xiu)(xiu)復(fu)解決,恒稅公(gong)司是國(guo)內較早從事工控設備維(wei)(wei)(wei)修(xiu)(xiu)(xiu)單(dan)位,是德國(guo)SIEMENS西門子(zi)(zi)(zi)專(zhuan)業維(wei)(wei)(wei)修(xiu)(xiu)(xiu)單(dan)位,目前擁(yong)有(you)維(wei)(wei)(wei)修(xiu)(xiu)(xiu)工程師和先進的維(wei)(wei)(wei)修(xiu)(xiu)(xiu)設備,具有(you)豐(feng)富的維(wei)(wei)(wei)修(xiu)(xiu)(xiu)技(ji)術和經驗。我(wo)們(men)一直專(zhuan)注維(wei)(wei)(wei)修(xiu)(xiu)(xiu)技(ji)術的研究,保證不在次損壞(huai)機器,不收取任(ren)何(he)檢測費用,維(wei)(wei)(wei)修(xiu)(xiu)(xiu)西門子(zi)(zi)(zi)就找(zhao)專(zhuan)修(xiu)(xiu)(xiu)西門子(zi)(zi)(zi)公(gong)司!
西門子6RA70直流調速裝置啟動就跳閘,直流控制器/驅動器/傳動器上電跳閘修復解決故障處理;
直(zhi)流(liu)調速(su)器跳閘的(de)(de)原(yuan)因一般是過流(liu)、過熱、缺相、電機(ji)短路、過壓、欠壓等。要確定具體是什么原(yuan)因需要結合著看直(zhi)流(liu)調速(su)器面板(ban)顯示的(de)(de)報警碼,根(gen)據說明書可以確定大概的(de)(de)故障。
直流調速(su)器過載(zai)的(de)(de)原因首先是機(ji)(ji)械(xie)負荷過重導致過載(zai),機(ji)(ji)械(xie)負荷過重的(de)(de)主要特征(zheng)是電(dian)動機(ji)(ji)發熱,于(yu)此同時并可從顯示屏上讀取(qu)運行(xing)電(dian)流來(lai)發現。如果三相電(dian)壓(ya)不平衡,就會引起(qi)某(mou)相的(de)(de)運行(xing)電(dian)流過大,終導致導致過載(zai)跳閘,特點是電(dian)動機(ji)(ji)發熱不均衡。
直(zhi)流調(diao)速器過載(zai)跳(tiao)閘的原因還有(you)可能(neng)是誤動(dong)作導(dao)致,有(you)可能(neng)是變頻(pin)器內(nei)部的電流檢測(ce)部分發(fa)生故障(zhang),檢測(ce)出的電流信號(hao)偏大,終導(dao)致過載(zai)跳(tiao)閘。
當參數預置(zhi)后(hou),空載試驗(yan)正常(chang),加(jia)載后(hou)出現過電(dian)流跳閘,可能是起(qi)動(dong)轉(zhuan)矩設置(zhi)不夠或加(jia)速(su)時(shi)(shi)間不足(zu)。也有的運行一段時(shi)(shi)間后(hou),轉(zhuan)動(dong)慣量減(jian)小,導(dao)致減(jian)速(su)時(shi)(shi)過電(dian)壓跳閘,修改功能參數,適當增大加(jia)速(su)時(shi)(shi)間便可解決(jue)。
假如電(dian)源(yuan)瞬(shun)時斷電(dian)或電(dian)壓低落出(chu)現欠電(dian)壓顯示,或瞬(shun)時過(guo)電(dian)壓出(chu)現過(guo)電(dian)壓顯示,都會引(yin)起(qi)變頻器跳(tiao)閘(zha)停機,待(dai)電(dian)源(yuan)恢復正常(chang)后即可重新起(qi)動(dong)。
西門子6RA70直流調速裝置啟動就跳閘,直流控制器/驅動器/傳動器上電跳閘修復解決故(gu)障處(chu)理(li);
維修思(si)路(lu)與案例:收到客戶(hu)這(zhe)臺直流調速(su)裝(zhuang)(zhuang)(zhuang)置后上(shang)電(dian)(dian)檢(jian)(jian)測一(yi)(yi)下,一(yi)(yi)共檢(jian)(jian)測了有(you)3個(ge)(ge)(ge)(ge)(ge)小時(shi)(shi)的(de)(de)(de)時(shi)(shi)間,故(gu)障(zhang)出(chu)現(xian)了6次(ci),平(ping)均是(shi)半個(ge)(ge)(ge)(ge)(ge)小時(shi)(shi)故(gu)障(zhang)一(yi)(yi)次(ci),拆開(kai)機(ji)器(qi)檢(jian)(jian)測內部(bu)元(yuan)件時(shi)(shi)又有(you)一(yi)(yi)個(ge)(ge)(ge)(ge)(ge)驚奇的(de)(de)(de)發現(xian),電(dian)(dian)路(lu)板(ban)上(shang)積攢了很(hen)(hen)多的(de)(de)(de)灰(hui)(hui)塵與濕(shi)氣,大家應(ying)該(gai)是(shi)了解的(de)(de)(de),濕(shi)氣與積塵會(hui)導(dao)電(dian)(dian),這(zhe)個(ge)(ge)(ge)(ge)(ge)就類似于(yu)電(dian)(dian)阻(zu)效(xiao)應(ying),而且(qie)在直流調速(su)裝(zhuang)(zhuang)(zhuang)置工(gong)作的(de)(de)(de)過(guo)程中溫度(du)升高(gao),這(zhe)時(shi)(shi)會(hui)有(you)一(yi)(yi)個(ge)(ge)(ge)(ge)(ge)化(hua)(hua)學反應(ying)就是(shi)熱脹冷縮,并且(qie)在這(zhe)個(ge)(ge)(ge)(ge)(ge)過(guo)程中阻(zu)值還會(hui)發生變(bian)(bian)(bian)化(hua)(hua),這(zhe)個(ge)(ge)(ge)(ge)(ge)變(bian)(bian)(bian)化(hua)(hua)強時(shi)(shi)那么電(dian)(dian)路(lu)自然是(shi)會(hui)出(chu)現(xian)改變(bian)(bian)(bian)參數,那么變(bian)(bian)(bian)頻(pin)(pin)器(qi)就會(hui)有(you)時(shi)(shi)好時(shi)(shi)壞的(de)(de)(de)故(gu)障(zhang)了,是(shi)不(bu)(bu)是(shi)覺得(de)很(hen)(hen)不(bu)(bu)可思(si)議啊,一(yi)(yi)個(ge)(ge)(ge)(ge)(ge)電(dian)(dian)路(lu)板(ban)上(shang)的(de)(de)(de)濕(shi)氣與灰(hui)(hui)塵會(hui)使(shi)機(ji)器(qi)有(you)這(zhe)么大的(de)(de)(de)變(bian)(bian)(bian)化(hua)(hua)。將電(dian)(dian)路(lu)板(ban)拆下檢(jian)(jian)修保養后機(ji)器(qi)恢(hui)復正常(chang),這(zhe)已經不(bu)(bu)是(shi)很(hen)(hen)嚴重(zhong)的(de)(de)(de)一(yi)(yi)種故(gu)障(zhang)了,之前在維修一(yi)(yi)臺直流調速(su)裝(zhuang)(zhuang)(zhuang)置時(shi)(shi)遇(yu)到過(guo)一(yi)(yi)個(ge)(ge)(ge)(ge)(ge)很(hen)(hen)嚴重(zhong)的(de)(de)(de)電(dian)(dian)路(lu)板(ban)濕(shi)氣重(zhong)而導(dao)致機(ji)器(qi)模塊(kuai)炸掉的(de)(de)(de)故(gu)障(zhang),這(zhe)也是(shi)阻(zu)值變(bian)(bian)(bian)化(hua)(hua)過(guo)大造成短路(lu)出(chu)現(xian)的(de)(de)(de)重(zhong)大故(gu)障(zhang)。這(zhe)說明二方(fang)面的(de)(de)(de)問題一(yi)(yi)是(shi)機(ji)器(qi)的(de)(de)(de)工(gong)作環境很(hen)(hen)重(zhong)要(yao),二是(shi)變(bian)(bian)(bian)頻(pin)(pin)器(qi)的(de)(de)(de)平(ping)時(shi)(shi)養護一(yi)(yi)定(ding)要(yao)做好。
6RA70直(zhi)流調速器常見(jian)故(gu)障報警(jing):F001,F004,F005,F006 ,F007 ,F030 ,F036,F038,F040 F042,F046,F050,F052,F062,F068,F031,A031,A035,A025,F067,88888,A018,O12.1/O12.2,A019,10.3,F043修復(fu)解決。
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