文(wen)章來源:西安(an)電力(li)機械制造(zao)公司(si) 發布時間(jian):2010-04-08
日前,國產電壓等級最高的24萬千伏安、750千伏單相無勵磁調壓發電機變壓器一次性通過全部試驗,這標志著又一臺具有完全自主知識產權的750千伏單相無勵磁調壓發電機變壓器,在西安電力機械制造公司成功誕生。試驗結果顯示這臺新產品不僅具有局放和噪音小、溫升和損耗低等優點,其技術性能達到國際先進水平,而且更令人關注的是:這臺設備和同等類型的進口設備相比,造價可降低20%-25%,成為名副其實的“物美價廉”產品,在大大滿足國內外輸變電設備配套需要的同時,也給受金融危機沖擊略顯低迷的國內外同行業市場帶來了一股清新空氣。
為(wei)了(le)(le)(le)(le)(le)減(jian)少線路(lu)損耗、延(yan)長送電(dian)(dian)(dian)距離、降(jiang)低(di)建設(she)和(he)運(yun)行成(cheng)本,電(dian)(dian)(dian)網的(de)(de)輸(shu)電(dian)(dian)(dian)容量(liang)在不斷增加。目(mu)前,750千(qian)伏(fu)(fu)輸(shu)電(dian)(dian)(dian)已(yi)經(jing)成(cheng)為(wei)西北地區的(de)(de)主流(liu),與之相配的(de)(de)發(fa)電(dian)(dian)(dian)機變(bian)(bian)壓(ya)(ya)器(qi)也成(cheng)為(wei)變(bian)(bian)壓(ya)(ya)器(qi)市場的(de)(de)重要產品(pin)。致(zhi)力于(yu)“高、經(jing)、尖”技(ji)(ji)(ji)術(shu)(shu)的(de)(de)西電(dian)(dian)(dian)集(ji)(ji)(ji)(ji)團(tuan)從二(er)十世紀八十年(nian)代(dai)(dai)起就開始(shi)有計(ji)(ji)劃地開展消化吸收引進技(ji)(ji)(ji)術(shu)(shu),通過對國外(wai)關(guan)鍵(jian)技(ji)(ji)(ji)術(shu)(shu)科(ke)研攻關(guan)的(de)(de)技(ji)(ji)(ji)術(shu)(shu)創新(xin)(xin),掌握了(le)(le)(le)(le)(le)500千(qian)伏(fu)(fu)變(bian)(bian)壓(ya)(ya)器(qi)降(jiang)低(di)損耗、噪音振動(dong)和(he)局放的(de)(de)關(guan)鍵(jian)技(ji)(ji)(ji)術(shu)(shu),實現了(le)(le)(le)(le)(le)產品(pin)結構(gou)標準化,研制出(chu)可靠性高的(de)(de)第二(er)代(dai)(dai)、第三代(dai)(dai)產品(pin)。2005年(nian),西電(dian)(dian)(dian)集(ji)(ji)(ji)(ji)團(tuan)為(wei)我國首條750千(qian)伏(fu)(fu)輸(shu)變(bian)(bian)電(dian)(dian)(dian)工(gong)程研制成(cheng)功(gong)(gong)首批超高壓(ya)(ya)變(bian)(bian)壓(ya)(ya)器(qi)和(he)并聯(lian)電(dian)(dian)(dian)抗器(qi)。2008年(nian),西電(dian)(dian)(dian)集(ji)(ji)(ji)(ji)團(tuan)再度為(wei)750千(qian)伏(fu)(fu)輸(shu)變(bian)(bian)電(dian)(dian)(dian)二(er)期工(gong)程成(cheng)功(gong)(gong)提供了(le)(le)(le)(le)(le)同類產品(pin)。在此基礎(chu)上(shang),西電(dian)(dian)(dian)集(ji)(ji)(ji)(ji)團(tuan)通過對超高壓(ya)(ya)關(guan)鍵(jian)技(ji)(ji)(ji)術(shu)(shu)進一步研究,在750千(qian)伏(fu)(fu)發(fa)電(dian)(dian)(dian)機變(bian)(bian)壓(ya)(ya)器(qi)絕(jue)緣結構(gou)、高壓(ya)(ya)出(chu)線結構(gou)設(she)計(ji)(ji)、油箱強度和(he)屏蔽技(ji)(ji)(ji)術(shu)(shu)等(deng)方面進行大膽創新(xin)(xin),研制成(cheng)功(gong)(gong)這臺技(ji)(ji)(ji)術(shu)(shu)含量(liang)更(geng)高而(er)制造成(cheng)本卻更(geng)低(di)的(de)(de)新(xin)(xin)產品(pin)。這充分(fen)體現了(le)(le)(le)(le)(le)西電(dian)(dian)(dian)集(ji)(ji)(ji)(ji)團(tuan)依(yi)靠自主創新(xin)(xin),已(yi)經(jing)完全掌握了(le)(le)(le)(le)(le)750千(qian)伏(fu)(fu)輸(shu)變(bian)(bian)電(dian)(dian)(dian)設(she)備的(de)(de)設(she)計(ji)(ji)、制造、安裝、調試等(deng)技(ji)(ji)(ji)術(shu)(shu),完全具(ju)備了(le)(le)(le)(le)(le)駕馭750千(qian)伏(fu)(fu)電(dian)(dian)(dian)網建設(she)的(de)(de)能力。