文章(zhang)來源:國家電網公司 發布時間:2010-12-16
12月14日3時40分,國家跨區聯(lian)(lian)網(wang)重點建設項目——西(xi)北與華(hua)(hua)中(zhong)聯(lian)(lian)網(wang)靈寶背靠背換流站(zhan)擴建工(gong)程(cheng)圓滿完(wan)成168小(xiao)時試運行(xing),順利投入運行(xing),標志著世(shi)界上通流能力最大(da)(da)(da)的直流工(gong)程(cheng)正式投運,使西(xi)北電(dian)網(wang)向華(hua)(hua)中(zhong)電(dian)網(wang)送(song)電(dian)能力進一步增強,對(dui)于帶(dai)動西(xi)北大(da)(da)(da)煤(mei)電(dian)、大(da)(da)(da)水(shui)電(dian)、大(da)(da)(da)風電(dian)基地集約化開(kai)發,逐步形(xing)成西(xi)北水(shui)火風電(dian)大(da)(da)(da)規模打捆外送(song)的格局,緩解(jie)湖(hu)北、湖(hu)南等地電(dian)力供應緊(jin)張局勢,促進西(xi)北、華(hua)(hua)中(zhong)兩地區經(jing)濟(ji)社會共(gong)同發展具有重要作用(yong)。
靈寶(bao)背靠背換(huan)流(liu)站于2005年7月(yue)正式投入運(yun)(yun)行,是我國(guo)第(di)一(yi)個大區聯網(wang)的(de)直(zhi)流(liu)背靠背換(huan)流(liu)站工(gong)(gong)程(cheng),也是我國(guo)第(di)一(yi)個自(zi)主(zhu)設計、自(zi)主(zhu)制造(zao)、自(zi)主(zhu)建(jian)設的(de)直(zhi)流(liu)工(gong)(gong)程(cheng),聯網(wang)容(rong)量為(wei)36萬千瓦(wa),投運(yun)(yun)至(zhi)今已取得顯著(zhu)經濟效(xiao)益和社(she)會效(xiao)益。靈寶(bao)背靠背擴(kuo)建(jian)工(gong)(gong)程(cheng)作為(wei)世(shi)界(jie)上(shang)第(di)一(yi)個額(e)定電(dian)(dian)流(liu)為(wei)4500安的(de)直(zhi)流(liu)工(gong)(gong)程(cheng),新增換(huan)流(liu)容(rong)量75萬千瓦(wa),使總(zong)換(huan)流(liu)能力達到原來的(de)3倍多,進一(yi)步(bu)擴(kuo)大了(le)(le)“西電(dian)(dian)東送(song)”規模,增強了(le)(le)西北(bei)電(dian)(dian)網(wang)與(yu)華(hua)中電(dian)(dian)網(wang)的(de)聯網(wang)能力,提高了(le)(le)兩網(wang)的(de)供電(dian)(dian)可靠性(xing)和系統抗擾動性(xing),并可實(shi)(shi)現(xian)兩網(wang)間的(de)緊急(ji)事故交換(huan)。該工(gong)(gong)程(cheng)主(zhu)設備(bei)(bei)均為(wei)自(zi)主(zhu)設計制造(zao)的(de)國(guo)產(chan)化(hua)設備(bei)(bei),其中由國(guo)家電(dian)(dian)網(wang)公司所屬中國(guo)電(dian)(dian)科院牽頭自(zi)主(zhu)研制的(de)世(shi)界(jie)上(shang)首(shou)個6英寸4500安晶(jing)閘管首(shou)次(ci)應用于工(gong)(gong)程(cheng)實(shi)(shi)踐,并實(shi)(shi)現(xian)了(le)(le)額(e)定功(gong)率輸送(song),使該工(gong)(gong)程(cheng)成為(wei)目(mu)前世(shi)界(jie)上(shang)通流(liu)能力最大的(de)直(zhi)流(liu)工(gong)(gong)程(cheng),對于提高我國(guo)設備(bei)(bei)制造(zao)企(qi)業的(de)自(zi)主(zhu)創新能力具(ju)有重要意(yi)義。