來源：力建數控母線機、母線加工機、銅排加工機、母排加工機生產廠家    責任編輯：01顧問

    母排加工(gong)(gong)機的(de)(de)(de)油(you)(you)溫(wen)(wen)(wen)(wen)故障的(de)(de)(de)產生是(shi)由母線加工(gong)(gong)機油(you)(you)溫(wen)(wen)(wen)(wen)表指示的(de)(de)(de)是(shi)變(bian)壓(ya)(ya)器(qi)頂(ding)層油(you)(you)溫(wen)(wen)(wen)(wen),運(yun)(yun)行(xing)中(zhong)的(de)(de)(de)油(you)(you)溫(wen)(wen)(wen)(wen)監視點為85℃,溫(wen)(wen)(wen)(wen)升是(shi)指變(bian)壓(ya)(ya)器(qi)頂(ding)層油(you)(you)溫(wen)(wen)(wen)(wen)減(jian)去環境溫(wen)(wen)(wen)(wen)度,運(yun)(yun)行(xing)中(zhong)變(bian)壓(ya)(ya)器(qi)在(zai)外溫(wen)(wen)(wen)(wen)40℃時,其溫(wen)(wen)(wen)(wen)升不得超過55℃,運(yun)(yun)行(xing)中(zhong)以頂(ding)層油(you)(you)溫(wen)(wen)(wen)(wen)為準,溫(wen)(wen)(wen)(wen)升是(shi)參考數據。若(ruo)變(bian)壓(ya)(ya)器(qi)在(zai)同等條件(jian)下(環境溫(wen)(wen)(wen)(wen)度、負荷(he)、油(you)(you)位(wei)等),油(you)(you)溫(wen)(wen)(wen)(wen)比(bi)平時高出10℃或負荷(he)不變(bian)但溫(wen)(wen)(wen)(wen)度不斷(duan)上升,并且冷卻裝(zhuang)置(zhi)正常運(yun)(yun)行(xing),則認為變(bian)壓(ya)(ya)器(qi)發生內部故障(應(ying)注意(yi)溫(wen)(wen)(wen)(wen)度表有無誤(wu)差或失靈)。

    我國變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)升標準(zhun)(zhun),均以環境溫(wen)(wen)(wen)(wen)(wen)度(du)40℃為(wei)準(zhun)(zhun),故(gu)(gu)變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)頂層油(you)溫(wen)(wen)(wen)(wen)(wen)一(yi)般不(bu)得超(chao)過(guo)40℃+55℃=95℃。頂層油(you)溫(wen)(wen)(wen)(wen)(wen)如超(chao)過(guo)95℃,其(qi)內(nei)部(bu)(bu)(bu)線(xian)(xian)圈的(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)度(du)就(jiu)要(yao)超(chao)過(guo)線(xian)(xian)圈絕(jue)緣物(wu)的(de)(de)(de)耐熱(re)強(qiang)度(du),為(wei)了使(shi)絕(jue)緣不(bu)致過(guo)快(kuai)老化(hua),所以規(gui)定(ding)變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)頂層油(you)溫(wen)(wen)(wen)(wen)(wen)的(de)(de)(de)監視應控(kong)制在85℃以下。導致變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)度(du)異(yi)常的(de)(de)(de)原因內(nei)部(bu)(bu)(bu)故(gu)(gu)障引(yin)起(qi)溫(wen)(wen)(wen)(wen)(wen)度(du)異(yi)常變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)內(nei)部(bu)(bu)(bu)故(gu)(gu)障如匝(za)間短(duan)路或(huo)層間短(duan)路,線(xian)(xian)圈對圍屏放電(dian)(dian),內(nei)部(bu)(bu)(bu)引(yin)線(xian)(xian)接頭發(fa)熱(re),鐵芯多點接地使(shi)渦流增大過(guo)熱(re),零序不(bu)平衡(heng)電(dian)(dian)流等(deng)(deng)漏磁通與鐵件油(you)箱(xiang)形成回路而發(fa)熱(re)等(deng)(deng)因素引(yin)起(qi)變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)度(du)異(yi)常時,還(huan)將伴隨著瓦斯(si)或(huo)差動(dong)保護動(dong)作,故(gu)(gu)障嚴重時還(huan)可能使(shi)防(fang)爆管(guan)或(huo)壓(ya)(ya)(ya)力釋放閥噴油(you),這時變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)應停用(yong)檢查。冷(leng)(leng)卻器(qi)(qi)不(bu)正常運行(xing)或(huo)發(fa)生故(gu)(gu)障如潛油(you)泵停運,風扇(shan)損壞,散熱(re)管(guan)道積(ji)垢,冷(leng)(leng)卻效率不(bu)良,散熱(re)器(qi)(qi)閥門沒有打開等(deng)(deng)原因引(yin)起(qi)溫(wen)(wen)(wen)(wen)(wen)度(du)異(yi)常。應及時對冷(leng)(leng)卻系統進行(xing)維(wei)護和沖洗(xi)或(huo)投人(ren)備(bei)用(yong)冷(leng)(leng)卻器(qi)(qi),否則就(jiu)要(yao)調整(zheng)變(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)負荷。溫(wen)(wen)(wen)(wen)(wen)度(du)指示(shi)器(qi)(qi)有誤差或(huo)指示(shi)失靈,應更換溫(wen)(wen)(wen)(wen)(wen)度(du)表。

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