文章(zhang)來源(yuan):國家電網公司 發布(bu)時間:2011-03-31
3月22日,國(guo)內首套(tao)35千(qian)(qian)伏直掛鏈式靜止無功(gong)發生器(qi)裝置(zhi)在國(guo)家(jia)電(dian)(dian)網浙江紹興(xing)電(dian)(dian)力局220千(qian)(qian)伏桑港變(bian)電(dian)(dian)所順利投入閉環運行。該裝置(zhi)可提(ti)高電(dian)(dian)網輸送(song)能力,提(ti)升(sheng)電(dian)(dian)網暫(zan)態(tai)穩定(ding)性,對(dui)發展智能電(dian)(dian)網技術具有重(zhong)要(yao)意義(yi)。
據悉,35千(qian)伏直掛鏈(lian)式靜止無(wu)(wu)功發生器裝(zhuang)置(zhi)研(yan)究是浙江(jiang)省電(dian)力公司重點科研(yan)項目。該裝(zhuang)置(zhi)于今年1月19日投(tou)入電(dian)網(wang)開環試運行,可在系統擾動(dong)時進(jin)行連續、平滑、動(dong)態、快速的無(wu)(wu)功補償,提高系統穩定(ding)性(xing),有效(xiao)降低能耗。項目研(yan)發成功,為電(dian)網(wang)10萬千(qian)乏級(ji)的快速動(dong)態無(wu)(wu)功補償研(yan)發應用奠定(ding)了基礎。
據了解,美國(guo)、德國(guo)、日(ri)本等(deng)國(guo)家在21世紀初已廣泛應用(yong)靜止無功(gong)(gong)發生器裝(zhuang)置(zhi)(zhi)。我國(guo)相關研究(jiu)應用(yong)起步(bu)于1994年,國(guo)內已投運(yun)的(de)大(da)功(gong)(gong)率裝(zhuang)置(zhi)(zhi)降壓至10千伏(fu)運(yun)行,限制了該裝(zhuang)置(zhi)(zhi)的(de)推廣應用(yong)。直(zhi)接接入35千伏(fu)系統的(de)靜止無功(gong)(gong)發生器裝(zhuang)置(zhi)(zhi)的(de)成(cheng)功(gong)(gong)投運(yun),標志著我國(guo)動態無功(gong)(gong)補償(chang)技術達到國(guo)際先(xian)進水平。