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    SCB9干式變壓器




     

    SCB9干式變(bian)壓(ya)器特(te)(te)高(gao)(gao)壓(ya)交(jiao)(jiao)流輸(shu)電關鍵技(ji)術、成套設(she)備及工(gong)程應用”項(xiang)目成果獲得(de)(de)國(guo)家科學技(ji)術進步獎(jiang)特(te)(te)等(deng)獎(jiang),多(duo)家設(she)備企業從中受益(yi)。2013年(nian),淮南-南京-上海、浙(zhe)北-福州和雅(ya)安-武漢(han)特(te)(te)高(gao)(gao)壓(ya)交(jiao)(jiao)流項(xiang)目或將取(qu)得(de)(de)開(kai)工(gong)。目前,浙(zhe)北-福州線(xian)路已(yi)經取(qu)得(de)(de)全(quan)部國(guo)家級支持(chi)性文(wen)件,將最先(xian)獲準開(kai)工(gong)。預計三大主(zhu)設(she)備變壓(ya)器(qi)(qi)、電抗器(qi)(qi)和GIS招標(biao)金(jin)額(e)約(yue)為(wei)(wei)38億(yi)(yi)元(yuan),其中GIS約(yue)為(wei)(wei)24億(yi)(yi)元(yuan)。事實(shi)上,“十二五(wu)”期(qi)間剩余特(te)(te)高(gao)(gao)壓(ya)交(jiao)(jiao)流線(xian)路還有約(yue)390億(yi)(yi)元(yuan)主(zhu)設(she)備招標(biao),其中變壓(ya)器(qi)(qi)、電抗器(qi)(qi)和GIS分別為(wei)(wei)102億(yi)(yi)元(yuan)、43億(yi)(yi)元(yuan)和242億(yi)(yi)元(yuan)。

     

    山東聊城有限變壓器(qi)有限公(gong)司為(wei)了(le)減少停電(dian)給(gei)村民帶來(lai)(lai)(lai)的(de)(de)不(bu)便(bian),工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)(yuan)提(ti)前準備(bei),前一(yi)(yi)(yi)(yi)天(tian)就(jiu)備(bei)齊了(le)所有施(shi)工(gong)(gong)(gong)(gong)(gong)用具,施(shi)工(gong)(gong)(gong)(gong)(gong)當天(tian)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)(yuan)一(yi)(yi)(yi)(yi)大(da)早就(jiu)來(lai)(lai)(lai)到施(shi)工(gong)(gong)(gong)(gong)(gong)現場(chang)。當時(shi)(shi)氣(qi)溫(wen)大(da)約(yue)在零下6度(du),由(you)于(yu)是(shi)陰天(tian),沒有太(tai)陽,讓人(ren)(ren)(ren)覺得格外(wai)的(de)(de)冷,但這(zhe)并沒有阻擋他(ta)們(men)(men)的(de)(de)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)熱情,只見他(ta)們(men)(men)分工(gong)(gong)(gong)(gong)(gong)明確,有條不(bu)序,爭分奪秒(miao)、奮(fen)力趕工(gong)(gong)(gong)(gong)(gong),忙(mang)得不(bu)亦(yi)樂乎(hu),由(you)于(yu)南(nan)城子坡配(pei)電(dian)室比較狹小(xiao),重型機(ji)械(xie)根(gen)本進(jin)(jin)不(bu)來(lai)(lai)(lai),移(yi)動變壓器(qi)只能靠(kao)人(ren)(ren)(ren)工(gong)(gong)(gong)(gong)(gong)抬,只見工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)(yuan)將拆卸下來(lai)(lai)(lai)的(de)(de)舊SCB9干式(shi)變壓器(qi)吃力的(de)(de)移(yi)動出來(lai)(lai)(lai),又(you)將新變壓器(qi)吃力移(yi)到指定(ding)位(wei)置,經(jing)過一(yi)(yi)(yi)(yi)個小(xiao)時(shi)(shi)的(de)(de)折騰,大(da)冷的(de)(de)天(tian)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)(yuan)卻忙(mang)的(de)(de)汗流(liu)浹(jia)背,個個脹著(zhu)(zhu)滿(man)臉(lian)通紅。稍作(zuo)(zuo)休息便(bian)又(you)投入到了(le)緊(jin)張(zhang)的(de)(de)施(shi)工(gong)(gong)(gong)(gong)(gong)當中,在配(pei)電(dian)室里工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)(yuan)緊(jin)張(zhang)有序的(de)(de)進(jin)(jin)行著(zhu)(zhu)每(mei)一(yi)(yi)(yi)(yi)個環節,一(yi)(yi)(yi)(yi)絲(si)不(bu)茍緊(jin)固(gu)著(zhu)(zhu)變壓器(qi)上的(de)(de)每(mei)一(yi)(yi)(yi)(yi)螺栓(shuan),.......每(mei)一(yi)(yi)(yi)(yi)個細節都是(shi)那么認真,每(mei)一(yi)(yi)(yi)(yi)道工(gong)(gong)(gong)(gong)(gong)序都是(shi)那么緊(jin)湊,...盡管(guan)天(tian)氣(qi)非(fei)常冷,剛才浸濕的(de)(de)衣(yi)衫已經(jing)使他(ta)們(men)(men)感到了(le)冷,但是(shi)這(zhe)并沒有影響工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)進(jin)(jin)度(du)

     

    山(shan)東有限電(dian)(dian)力加(jia)強農(nong)(nong)網供(gong)電(dian)(dian)保障(zhang)的(de)各項(xiang)工作(zuo),要求(qiu)加(jia)快(kuai)完成農(nong)(nong)網工程項(xiang)目,對(dui)(dui)預計可(ke)能存在負荷超載(zai)(zai)(zai)和故障(zhang)隱(yin)患(huan)的(de)配變、線路及低壓設(she)備(bei)(bei)逐(zhu)一(yi)(yi)開(kai)展專項(xiang)整(zheng)(zheng)治(zhi)(zhi)行動。目前,專項(xiang)整(zheng)(zheng)治(zhi)(zhi)工作(zuo)全部完成,進(jin)一(yi)(yi)步提高了(le)(le)農(nong)(nong)村(cun)供(gong)電(dian)(dian)能力.聊城(cheng)供(gong)電(dian)(dian)公司于1月28日至2月4日進(jin)行了(le)(le)此次(ci)城(cheng)鄉配電(dian)(dian)設(she)施隱(yin)患(huan)集中排查(cha)治(zhi)(zhi)理活動,重(zhong)點(dian)對(dui)(dui)春(chun)節(jie)期(qi)(qi)間(jian)(jian)可(ke)能出現嚴重(zhong)過(guo)載(zai)(zai)(zai)或(huo)滿載(zai)(zai)(zai)的(de)設(she)備(bei)(bei)進(jin)行排查(cha)整(zheng)(zheng)治(zhi)(zhi)。城(cheng)鄉132個供(gong)電(dian)(dian)所對(dui)(dui)所轄(xia)配電(dian)(dian)設(she)備(bei)(bei)進(jin)行了(le)(le)一(yi)(yi)次(ci)全面巡視,對(dui)(dui)配電(dian)(dian)變壓器及相關設(she)施進(jin)行了(le)(le)全面診斷,及時消除(chu)設(she)備(bei)(bei)缺陷。對(dui)(dui)春(chun)節(jie)期(qi)(qi)間(jian)(jian)農(nong)(nong)村(cun)用電(dian)(dian)需求(qiu)較(jiao)突出的(de)地(di)方,特別是(shi)春(chun)節(jie)期(qi)(qi)間(jian)(jian)農(nong)(nong)民工返鄉比較(jiao)集中的(de)村(cun)莊,詳細了(le)(le)解農(nong)(nong)戶家用電(dian)(dian)器配置和使用情況,分析(xi)近期(qi)(qi)故障(zhang)報修規律、配變春(chun)節(jie)期(qi)(qi)間(jian)(jian)用電(dian)(dian)高峰的(de)負荷承(cheng)載(zai)(zai)(zai)能力,逐(zhu)線、逐(zhu)村(cun)、逐(zhu)臺區進(jin)行排查(cha),對(dui)(dui)于排查(cha)出的(de)設(she)備(bei)(bei)陳(chen)舊、可(ke)能出現嚴重(zhong)過(guo)載(zai)(zai)(zai)臺區,以負荷調整(zheng)(zheng)、配變輪換、增容(rong)等方式進(jin)行了(le)(le)隱(yin)患(huan)整(zheng)(zheng)治(zhi)(zhi)。

     

    山東省220千(qian)(qian)(qian)伏云谷變電(dian)站是(shi)聊城市(shi)經(jing)濟技術開發(fa)區新(xin)港工(gong)業園的重(zhong)要(yao)電(dian)源(yuan)。本期(qi)新(xin)上24萬千(qian)(qian)(qian)伏安(an)SCB9干式變壓(ya)器(qi)2臺(tai)、220千(qian)(qian)(qian)伏出(chu)(chu)線(xian)4回、110千(qian)(qian)(qian)伏出(chu)(chu)線(xian)6回、35千(qian)(qian)(qian)伏出(chu)(chu)線(xian)5回,終期(qi)規模還將進一步擴(kuo)大(da)。“由(you)于前期(qi)設備到貨(huo)延遲(chi),加(jia)(jia)(jia)上雨(yu)雪、霧霾天氣的影響(xiang),云谷變的工(gong)期(qi)特別緊,我們每天加(jia)(jia)(jia)班加(jia)(jia)(jia)點(dian),就是(shi)為(wei)了工(gong)程能如期(qi)投運(yun)。

    SCB9干式變壓器(qi)安裝施工要點:

      (1)SCB9干式變(bian)壓(ya)器接地引線在制作(zuo)前,對原材料進行(xing)校直。

      (2)SCB9干式變壓(ya)器接(jie)地引(yin)線(xian)制作前結合實際(ji)安裝(zhuang)位置,彎(wan)制出接(jie)地引(yin)線(xian)模型。 

      (3)根據模型尺寸下料(liao),為滿足(zu)彎曲弧度,下料(liao)時要(yao)留有余度。

      (4)扁鋼彎(wan)曲過程,應采用(yong)機械冷彎(wan),避免熱(re)彎(wan)損壞鋅層。

      (5)制作后(hou)的接(jie)地引線與主變壓器專(zhuan)設接(jie)地件(jian)進行螺(luo)栓(shuan)連接(jie)并緊固,螺(luo)栓(shuan)連接(jie)處不(bu)得有(you)油(you)漆,且接(jie)地引線與螺(luo)栓(shuan)規格(ge)應滿足GB 50149《電氣(qi)裝置安裝工(gong)程母線裝置施工(gong)及(ji)驗收規范》要求(qiu)。

      (6)接地引線與(主接地網)在自然狀態下搭接焊,鋅層破損處及焊接位置兩側100mm范圍內應防腐。
    干式變(bian)壓器按標準配置(zhi)(zhi)溫(wen)(wen)度(du)控制(zhi)箱(xiang)。未帶外殼的(de)(de)(de)變(bian)壓器其溫(wen)(wen)控箱(xiang)需(xu)由用(yong)(yong)戶(hu)安裝在保(bao)護網或(huo)墻壁(bi)等安全的(de)(de)(de)地方(fang)(fang)。帶外殼的(de)(de)(de)變(bian)壓器其溫(wen)(wen)控箱(xiang)位于外殼低壓側右(you)上方(fang)(fang)。風機電源線已經接入控制(zhi)箱(xiang),用(yong)(yong)戶(hu)只需(xu)給控制(zhi)箱(xiang)配備交流220V的(de)(de)(de)電源。參(can)看溫(wen)(wen)度(du)控制(zhi)箱(xiang)使用(yong)(yong)說明書(shu),溫(wen)(wen)控箱(xiang)調試正常后,先將變(bian)壓器投入運(yun)行,后投入溫(wen)(wen)控。 9.9外殼帶有(you)開門安全保(bao)護裝置(zhi)(zhi)的(de)(de)(de)變(bian)壓器,開門斷(duan)電微(wei)動信(xin)號端子排(pai)位于外殼內溫(wen)(wen)控箱(xiang)的(de)(de)(de)下(xia)方(fang)(fang),用(yong)(yong)戶(hu)根據需(xu)要連(lian)接,下(xia)方(fang)(fang)有(you)微(wei)動信(xin)號裝置(zhi)(zhi)端子排(pai)功能示意圖(tu),以供用(yong)(yong)戶(hu)參(can)考(kao)

     

    有載調(diao)壓(ya)(ya)SCB9干式變(bian)壓(ya)(ya)器(qi)線圈(quan)的(de)分接抽頭與(yu)開關已對應(ying)連接,當電(dian)網電(dian)壓(ya)(ya)波動(dong)時(shi),可在負載的(de)情況下,通過自動(dong)控制器(qi)或電(dian)動(dong)、手(shou)動(dong)操(cao)作機構來調(diao)節高壓(ya)(ya)線圈(quan)檔位(wei),從而(er)穩定輸(shu)出電(dian)壓(ya)(ya)。   

     

    在(zai)斷電(dian)情況下(xia),分接開(kai)關調試(shi)正(zheng)常后方可(ke)投(tou)入運(yun)行。 SCB9干式變(bian)(bian)壓(ya)器應在(zai)空載(zai)時合(he)閘投(tou)運(yun),合(he)閘涌流(liu)峰值(zhi)最高可(ke)達(da)10倍額(e)定電(dian)流(liu),對變(bian)(bian)壓(ya)器的(de)電(dian)流(liu)速動保護設定值(zhi)應大于涌流(liu)峰值(zhi)。 SCB9干式變(bian)(bian)壓(ya)器投(tou)入運(yun)行后,所帶負(fu)(fu)荷(he)應由輕到(dao)重,且(qie)檢查產品有無異響,負(fu)(fu)載(zai)投(tou)入。 根(gen)據環境溫度(du)和初始(shi)負(fu)(fu)載(zai)狀態,變(bian)(bian)壓(ya)器允許短時過(guo)負(fu)(fu)荷(he)。干式變(bian)(bian)壓(ya)器負(fu)(fu)載(zai)過(guo)負(fu)(fu)荷(he)允許時間請參照GB/T1721《干式變(bian)(bian)壓(ya)器負(fu)(fu)載(zai)導則》。

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