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甘肅電網首座330千伏GIS開關站竣工投運

文(wen)章來源:國家電(dian)網公司  發布時間(jian):2008-11-02

  10月28日,甘肅(su)(su)公司隆重(zhong)舉行(xing)劉(liu)家(jia)峽(xia)水(shui)電廠330千(qian)伏開(kai)關站(zhan)竣工(gong)慶典儀(yi)式,武(wu)警甘肅(su)(su)總(zong)隊、蘭(lan)州電監辦及當地政(zheng)府(fu)、設計、施(shi)工(gong)等(deng)單位的(de)領導參加了慶典儀(yi)式,標志著甘肅(su)(su)電網首(shou)座(zuo)330千(qian)伏GIS開(kai)關站(zhan)正式并網運(yun)行(xing),書寫了甘肅(su)(su)電力史上的(de)新篇章(zhang),為進(jin)一(yi)步提升劉(liu)家(jia)峽(xia)水(shui)庫的(de)運(yun)營效益(yi)(yi)、發揮劉(liu)家(jia)峽(xia)電廠的(de)經濟效益(yi)(yi)和社會(hui)效益(yi)(yi)奠定(ding)了堅實(shi)基礎。

  劉(liu)家(jia)峽(xia)水電(dian)(dian)(dian)(dian)(dian)站自1969年第(di)一臺機組(zu)(zu)發電(dian)(dian)(dian)(dian)(dian)以來(lai),已先后(hou)進(jin)(jin)行(xing)了多次技(ji)術(shu)改(gai)(gai)(gai)(gai)造(zao),大(da)(da)大(da)(da)提(ti)高了設備的(de)(de)可(ke)(ke)靠程度(du)和自動化水平,然而隨(sui)著甘肅(su)電(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)220千(qian)(qian)伏系統的(de)(de)消減,電(dian)(dian)(dian)(dian)(dian)站原(yuan)有(you)的(de)(de)送(song)出(chu)(chu)線路已不能滿(man)足機組(zu)(zu)滿(man)發狀態(tai)下的(de)(de)送(song)出(chu)(chu)需(xu)要,出(chu)(chu)現“窩電(dian)(dian)(dian)(dian)(dian)”現象,使電(dian)(dian)(dian)(dian)(dian)站社(she)會效(xiao)(xiao)益和經濟效(xiao)(xiao)益充分發揮受到(dao)嚴重制約。甘肅(su)公(gong)司著眼劉(liu)家(jia)峽(xia)水庫在黃河流域(yu)水資(zi)源(yuan)的(de)(de)優(you)化配置和劉(liu)家(jia)峽(xia)電(dian)(dian)(dian)(dian)(dian)廠(chang)(chang)在甘肅(su)電(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)運營(ying)效(xiao)(xiao)益的(de)(de)提(ti)升,根(gen)據甘肅(su)電(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)主網(wang)(wang)(wang)架建設規(gui)劃的(de)(de)要求,及時提(ti)出(chu)(chu)了對所(suo)屬的(de)(de)劉(liu)家(jia)峽(xia)水電(dian)(dian)(dian)(dian)(dian)廠(chang)(chang)進(jin)(jin)行(xing)升壓改(gai)(gai)(gai)(gai)造(zao)的(de)(de)構想,投入大(da)(da)量技(ji)改(gai)(gai)(gai)(gai)資(zi)金對劉(liu)家(jia)峽(xia)電(dian)(dian)(dian)(dian)(dian)廠(chang)(chang)的(de)(de)機組(zu)(zu)和送(song)出(chu)(chu)輸變(bian)電(dian)(dian)(dian)(dian)(dian)設備進(jin)(jin)行(xing)技(ji)術(shu)改(gai)(gai)(gai)(gai)造(zao)。從2006年8月(yue)開工建設,歷時1年3個月(yue)完成了劉(liu)家(jia)峽(xia)電(dian)(dian)(dian)(dian)(dian)廠(chang)(chang)的(de)(de)一期技(ji)術(shu)改(gai)(gai)(gai)(gai)造(zao),使劉(liu)家(jia)峽(xia)電(dian)(dian)(dian)(dian)(dian)廠(chang)(chang)機組(zu)(zu)總出(chu)(chu)力由120萬千(qian)(qian)瓦(wa)提(ti)高到(dao)135萬千(qian)(qian)瓦(wa),大(da)(da)大(da)(da)提(ti)高其在西北(bei)電(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)中的(de)(de)調(diao)峰、調(diao)頻(pin)能力,使電(dian)(dian)(dian)(dian)(dian)站的(de)(de)經濟效(xiao)(xiao)益和社(she)會效(xiao)(xiao)益得以完全發揮。同時,消除了電(dian)(dian)(dian)(dian)(dian)廠(chang)(chang)廠(chang)(chang)內原(yuan)來(lai)的(de)(de)電(dian)(dian)(dian)(dian)(dian)磁(ci)環網(wang)(wang)(wang),有(you)效(xiao)(xiao)提(ti)高了輸變(bian)電(dian)(dian)(dian)(dian)(dian)設備的(de)(de)穩定、可(ke)(ke)靠性(xing)。

  劉家峽水電廠330千伏開關站配電裝置采用戶外GIS設備,其各項技術性能均達到了國內外同行業的先進水平。一是變壓器采用SSP-315000/330GY型變壓器,運行噪音低、局放小、總損耗降低了3/7左右。二是配電設備采用全封閉組合電器,緊湊,減少了對周圍建筑物及設施的影響,可靠性高,檢修維護量小,檢修周期長。三是開關站與變壓器之間的連接采用SF6氣體管道,用330kV交聯聚乙烯電纜相連接,技術先進,可靠性高,更利于防火,運行穩定、可靠。四是監控系統采用開放系統總線式網絡,軟件模塊化、結構化的設計,人機界面功能強、操作方便、簡潔、靈活,采用國際通用的系統集成思想,實現管控一體化,大大提高電廠的自動化水平。

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