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摘 要 :云南(nan)呈(cheng)鋼ZRD應用(yong)案例
2021-08-05 -
摘(zhai) 要(yao) :銅陵(ling)有色金(jin)屬ZGKS應(ying)用案例(li)
2021-08-05 -
摘 要 :吉林東北襪業ZLB應用案例
2021-08-05 -
摘 要 :國網蒙(meng)東赤峰林西縣供電(dian)公司(si)66kV隆(long)欣變(bian)(bian)(bian)電(dian)站(zhan)10kV主(zhu)動干預型消(xiao)弧小電(dian)流接地選線(xian)裝置動作(zuo)報告 1、系統(tong)概(gai)述 66kV隆(long)欣變(bian)(bian)(bian)電(dian)站(zhan)10kV采用單母線(xian)分(fen)段,10kVⅠ段、10kVⅡ段分(fen)別通過1號主(zhu)變(bian)(bian)(bian)、2號主(zhu)變(bian)(bian)(bian)連接66kV系統(tong)。目前10kVⅠ段、Ⅱ段并(bing)列運行,1號主(zhu)變(bian)(bian)(bian)投運,2號
2021-08-04 -
摘(zhai) 要 :卷揚式平門(men)啟(qi)閉(bi)機(ji)選(xuan)用(yong)指南(nan) QPQ、QPK、QPT、QPG型啟(qi)閉(bi)機(ji)選(xuan)用(yong)指南(nan) 本系列(lie)啟(qi)閉(bi)機(ji)可分為單吊點和雙吊點兩種,啟(qi)門(men)力QPQ、QPT型為5T~250T; QPK型為5T~250T,供用(yong)戶選(xuan)用(yong)。 1、本系列(lie)產品型號說明 2、QPQ QPK QPG QPT系列(lie)產品的
2021-08-04 -
摘 要 :螺桿式啟(qi)閉(bi)機使(shi)用(yong)(yong)說(shuo)明書 一、機器的用(yong)(yong)途和(he)(he)使(shi)用(yong)(yong)范圍 螺桿式啟(qi)閉(bi)機是水(shui)(shui)(shui)(shui)工(gong)建(jian)筑物中各種過(guo)(guo)水(shui)(shui)(shui)(shui)孔道(dao)上控制(zhi)水(shui)(shui)(shui)(shui)閘的啟(qi)閉(bi)設備(bei)。廣(guang)泛應用(yong)(yong)于水(shui)(shui)(shui)(shui)利、水(shui)(shui)(shui)(shui)電(dian)、市政建(jian)設、水(shui)(shui)(shui)(shui)產(chan)養殖(zhi)及農(nong)田水(shui)(shui)(shui)(shui)利建(jian)設等工(gong)程。利用(yong)(yong)該機升降使(shi)其配(pei)套水(shui)(shui)(shui)(shui)閘實現開(kai)開(kai)和(he)(he)封閉(bi)過(guo)(guo)水(shui)(shui)(shui)(shui)道(dao),控制(zhi)水(shui)(shui)(shui)(shui)位、調節流(liu)量。該啟(qi)閉(bi)機是具有手動(dong)和(he)(he)電(dian)動(dong)的功能,可用(yong)(yong)于
2021-08-04 -
摘 要 :弧(hu)光接(jie)地(di)過電(dian)(dian)(dian)(dian)壓的產生及危害 弧(hu)光接(jie)地(di)過電(dian)(dian)(dian)(dian)壓又稱間歇(xie)(xie)性(xing)(xing)弧(hu)光接(jie)地(di)過電(dian)(dian)(dian)(dian)壓,形成弧(hu)光接(jie)地(di)過電(dian)(dian)(dian)(dian)壓的基礎是間歇(xie)(xie)性(xing)(xing)電(dian)(dian)(dian)(dian)弧(hu)。在中性(xing)(xing)點不直接(jie)接(jie)地(di)系統發生單相間歇(xie)(xie)性(xing)(xing)弧(hu)光接(jie)地(di)故障(zhang)時(shi),由(you)于電(dian)(dian)(dian)(dian)弧(hu)多(duo)次不停地(di)熄(xi)滅和重(zhong)燃,造成系統對地(di)電(dian)(dian)(dian)(dian)容上的電(dian)(dian)(dian)(dian)荷多(duo)次積累(lei)和重(zhong)新(xin)分配,非故障(zhang)相的電(dian)(dian)(dian)(dian)感—電(dian)(dian)(dian)(dian)容回路產生高(gao)頻振(zhen)蕩(dang)過
2021-08-04 -
摘 要 :分析開(kai)關柜(ju)無線測(ce)溫裝置的(de)故障表現(xian)和(he)原因 開(kai)關柜(ju)無線測(ce)溫器出現(xian)故障的(de)注意事項: 1、電(dian)纜(lan)連接處有故障。由于工作(zuo)時間(jian)延長、壓(ya)接頭松(song)動、絕緣老化,以及局部放電(dian)、高壓(ya)泄漏等,都會引起熱和(he)溫度的(de)升(sheng)高,從而使(shi)(shi)運行狀(zhuang)況進一步惡化,促使(shi)(shi)溫度進一步上升(sheng),這種惡性循環的(de)結果就(jiu)會引發短(duan)路放炮
2021-08-04 -
摘 要 :微機(ji)消諧(xie)(xie)裝置工作(zuo)原(yuan)理 要了(le)解(jie)(jie)微機(ji)消諧(xie)(xie)裝置的工作(zuo)原(yuan)理,必須先了(le)解(jie)(jie)其概念。微機(ji)消諧(xie)(xie)裝置也(ye)稱為電力(li)諧(xie)(xie)振(zhen)(zhen)診斷排除裝置,顧(gu)名思義(yi),它是(shi)(shi)診斷和消除鐵磁(ci)諧(xie)(xie)振(zhen)(zhen)的一(yi)種裝置。鐵磁(ci)性諧(xie)(xie)振(zhen)(zhen)是(shi)(shi)由鐵心電感元件,如發電機(ji)、變壓(ya)器(qi)(qi)、電壓(ya)互感器(qi)(qi)、電抗器(qi)(qi)、消弧線圈等電容(rong)元件,如輸電線路(lu)、電容(rong)補(bu)償器(qi)(qi)等
2021-08-04 -
摘 要 :電(dian)弧(hu)光保護(hu)裝置(zhi)的(de)原理及作(zuo)(zuo)用 電(dian)弧(hu)光保護(hu)裝置(zhi)具有傳統低壓(ya)保護(hu)裝置(zhi)的(de)諸多功能,能對故(gu)障發生和波(bo)形進行記錄,從(cong)而為事故(gu)的(de)分(fen)析提供基(ji)礎資料。光弧(hu)保護(hu)是一種快速、可(ke)靠的(de)母(mu)線保護(hu)系統,采(cai)用弧(hu)光檢(jian)測和過電(dian)流雙重(zhong)判據原理,具有原理簡(jian)單、動作(zuo)(zuo)可(ke)靠、對變電(dian)站一次(ci)設(she)備無特殊要求、適(shi)應各種運(yun)行
2021-08-04