11月29日(ri),冀北(bei)(bei)電(dian)科(ke)院(yuan)聯合(he)南瑞繼(ji)保電(dian)氣有(you)限公司完(wan)(wan)成(cheng)(cheng)了(le)張北(bei)(bei)換流站四臺高壓直流斷路(lu)器小電(dian)流及額定電(dian)流分斷試驗。至(zhi)此,500千伏高壓直流斷路(lu)器特殊試驗完(wan)(wan)成(cheng)(cheng)。
500千伏高(gao)壓(ya)直(zhi)流(liu)斷(duan)(duan)路器(qi)(qi)(qi)分(fen)斷(duan)(duan)試(shi)(shi)驗(yan)(yan)是考核(he)斷(duan)(duan)路器(qi)(qi)(qi)是否滿(man)足投運要求的重要一(yi)環,試(shi)(shi)驗(yan)(yan)過程涉及(ji)斷(duan)(duan)路器(qi)(qi)(qi)本體各組部(bu)件及(ji)二次控(kong)保等多個方面(mian)。作為(wei)試(shi)(shi)驗(yan)(yan)負責單(dan)位(wei),冀北(bei)(bei)電科(ke)院成(cheng)立相關團隊(dui),聯(lian)合南瑞(rui)繼(ji)保提前部(bu)署,深度參與斷(duan)(duan)路器(qi)(qi)(qi)現(xian)場(chang)調(diao)試(shi)(shi)。完(wan)成(cheng)所有聯(lian)調(diao)項目后(hou),試(shi)(shi)驗(yan)(yan)人(ren)員結合前期出廠試(shi)(shi)驗(yan)(yan)結果及(ji)現(xian)場(chang)實際情(qing)況,設計了(le)(le)額(e)(e)定電流(liu)分(fen)斷(duan)(duan)的試(shi)(shi)驗(yan)(yan)方案,于11月(yue)26日開展了(le)(le)張北(bei)(bei)柔直(zhi)工(gong)程第一(yi)臺500千伏高(gao)壓(ya)直(zhi)流(liu)斷(duan)(duan)路器(qi)(qi)(qi)額(e)(e)定電流(liu)分(fen)斷(duan)(duan)試(shi)(shi)驗(yan)(yan)。通過試(shi)(shi)驗(yan)(yan)總結和波形(xing)分(fen)析,試(shi)(shi)驗(yan)(yan)人(ren)員完(wan)成(cheng)了(le)(le)進一(yi)步的完(wan)善調(diao)試(shi)(shi),隨后(hou)完(wan)成(cheng)了(le)(le)三次小電流(liu)分(fen)斷(duan)(duan)及(ji)三次額(e)(e)定電流(liu)分(fen)斷(duan)(duan),試(shi)(shi)驗(yan)(yan)均順利通過。
500千伏高(gao)壓(ya)直流斷(duan)路器在張北柔直工程(cheng)中應用,對保(bao)障直流系統(tong)安全穩(wen)定運行具有(you)重(zhong)要意義。冀(ji)北電科院全程(cheng)密(mi)切跟(gen)進高(gao)壓(ya)直流斷(duan)路器的設計研發(fa)、制造安裝及現場調試,完成了從無到有(you)的技術儲備(bei),保(bao)障了此項試驗成功(gong)實(shi)施。