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4月24日下午，從±800千伏青南(nan)換(huan)(huan)流(liu)站(zhan)(zhan)前方試(shi)(shi)(shi)驗現場(chang)傳來捷報，國網青海(hai)電科(ke)院順(shun)利完成±800kV青南(nan)換(huan)(huan)流(liu)站(zhan)(zhan)首串750千伏GIS設備現場(chang)交流(liu)耐壓試(shi)(shi)(shi)驗，這標志(zhi)著(zhu)該(gai)站(zhan)(zhan)關鍵主設備調試(shi)(shi)(shi)工作(zuo)正式拉(la)開序幕。

“青(qing)海(hai)(hai)(hai)電科(ke)院自覺對接國(guo)家電網公(gong)司新戰(zhan)略(lve)目標，高度重(zhong)(zhong)視青(qing)南±800千(qian)伏換流站設(she)(she)備調試工(gong)作，從(cong)人力、物力個方(fang)面做足了充分的(de)準(zhun)備工(gong)作。此次(ci)(ci)試驗(yan)是±800千(qian)伏青(qing)南換流站750千(qian)伏GIS主設(she)(she)備首次(ci)(ci)特(te)殊交接試驗(yan)，同時也是青(qing)海(hai)(hai)(hai)省內高海(hai)(hai)(hai)拔地區首次(ci)(ci)開展(zhan)750千(qian)伏GIS設(she)(she)備現(xian)場(chang)100%全電壓耐壓試驗(yan)，具(ju)有(you)重(zhong)(zhong)要的(de)工(gong)程(cheng)應用(yong)價值，將為后續(xu)高海(hai)(hai)(hai)拔地區調試工(gong)作提供重(zhong)(zhong)要技(ji)術支(zhi)撐”，國(guo)網青(qing)海(hai)(hai)(hai)電科(ke)院副院長康(kang)鈞說道。

據悉(xi)，受(shou)新(xin)冠肺炎疫情影響(xiang)，±800千伏(fu)青南(nan)換流站復工(gong)(gong)日(ri)期較原計劃(hua)有(you)所推遲(chi)，但(dan)是為了(le)保(bao)證(zheng)河南(nan)受(shou)端電(dian)網夏(xia)季用(yong)電(dian)高峰(feng)的(de)(de)電(dian)力供應，及(ji)時向我國(guo)中(zhong)部地(di)區輸送清潔能源，原定于6月30日(ri)投運的(de)(de)日(ri)期并沒(mei)有(you)改變，青海電(dian)科院在(zai)此“疫情防控與復工(gong)(gong)復產兩手抓”的(de)(de)形勢下(xia)，積極開展前期準(zhun)備(bei)和策劃(hua)，有(you)序推進各項調試準(zhun)備(bei)工(gong)(gong)作。

據康鈞介紹，作為(wei)±800千(qian)伏青南換流站750千(qian)伏GIS主設(she)備(bei)首(shou)次(ci)(ci)特殊交接試驗(yan)(yan)，此次(ci)(ci)試驗(yan)(yan)給同(tong)時(shi)單(dan)位(wei)帶來(lai)了諸多困難和挑戰：首(shou)先(xian)是由于(yu)工(gong)期緊(jin)張和設(she)備(bei)數量(liang)龐大(da)，耐壓(ya)試驗(yan)(yan)無法一次(ci)(ci)性完成(cheng)，需(xu)要(yao)結合(he)設(she)備(bei)安裝進度分(fen)成(cheng)多達八(ba)個階(jie)段才(cai)能完成(cheng)所有GIS設(she)備(bei)耐壓(ya)試驗(yan)(yan)，每一階(jie)段都需(xu)要(yao)更換加(jia)壓(ya)點(dian)位(wei)置并且(qie)重新支(zhi)設(she)1500千(qian)伏大(da)型現場串(chuan)聯諧振(zhen)試驗(yan)(yan)設(she)備(bei)，這(zhe)為(wei)試驗(yan)(yan)人員帶來(lai)了不(bu)小(xiao)的考(kao)驗(yan)(yan)。

其次是由于(yu)現(xian)(xian)場作業面(mian)復雜，各類工(gong)作人(ren)員(yuan)(yuan)眾多，試(shi)(shi)驗(yan)(yan)(yan)(yan)時涉及(ji)范圍(wei)廣，為了(le)保證加壓時現(xian)(xian)場其他作業面(mian)工(gong)作人(ren)員(yuan)(yuan)安全(quan)(quan)，電科院(yuan)試(shi)(shi)驗(yan)(yan)(yan)(yan)人(ren)員(yuan)(yuan)選(xuan)擇利用午間(jian)休息時間(jian)和傍晚時間(jian)進(jin)行(xing)試(shi)(shi)驗(yan)(yan)(yan)(yan)，杜絕無(wu)關人(ren)員(yuan)(yuan)在相(xiang)關試(shi)(shi)驗(yan)(yan)(yan)(yan)區(qu)域活動，確(que)保試(shi)(shi)驗(yan)(yan)(yan)(yan)現(xian)(xian)場絕對安全(quan)(quan)。第三是此次試(shi)(shi)驗(yan)(yan)(yan)(yan)電壓值(zhi)為100%出(chu)廠電壓值(zhi)，屬于(yu)青(qing)海省內首次現(xian)(xian)場開展750千伏(fu)GIS設備(bei)全(quan)(quan)電壓特殊交接試(shi)(shi)驗(yan)(yan)(yan)(yan)，電科院(yuan)試(shi)(shi)驗(yan)(yan)(yan)(yan)人(ren)員(yuan)(yuan)提前(qian)對試(shi)(shi)驗(yan)(yan)(yan)(yan)設備(bei)進(jin)行(xing)空載(zai)升(sheng)壓檢驗(yan)(yan)(yan)(yan)設備(bei)狀態，做(zuo)細做(zuo)全(quan)(quan)準備(bei)工(gong)作，確(que)保現(xian)(xian)場試(shi)(shi)驗(yan)(yan)(yan)(yan)順利完成。

“雖然(ran)此(ci)次試驗工(gong)作難度很大，但是國網青海(hai)電(dian)科院組成了由(you)多名黨員(yuan)帶(dai)頭、現場調試經驗豐富的技(ji)術骨干組成臨時黨支部(bu)和(he)黨員(yuan)突(tu)擊隊，充分發揮支部(bu)引領(ling)和(he)黨員(yuan)模范引領(ling)作用，發揚高(gao)原不(bu)(bu)怕苦(ku)不(bu)(bu)怕累(lei)精神，以高(gao)標準高(gao)質量高(gao)效率完成此(ci)次試驗。”現場技(ji)術負責人(ren)、電(dian)科院設備(bei)狀態評價(jia)中心(xin)副主(zhu)任王(wang)生杰(jie)介(jie)紹(shao)道(dao)。

據了(le)解，接下來，國網(wang)青(qing)海(hai)電科院將堅決貫徹落實公司“三個(ge)聚焦、兩個(ge)自覺”戰略要(yao)求，繼續(xu)保持高(gao)昂的斗志，努力(li)克服各項現場(chang)困難，扎實推進±800kV青(qing)南(nan)換流(liu)站換流(liu)變壓(ya)器等(deng)主要(yao)設備現場(chang)試(shi)驗(yan)工作，嚴把設備入網(wang)質(zhi)量關(guan)，全(quan)力(li)保障青(qing)海(hai)-河(he)南(nan)特(te)高(gao)壓(ya)過程整體順利投運。