國(guo)網(wang)寧(ning)夏電(dian)(dian)力公(gong)司(si)電(dian)(dian)力科(ke)學(xue)研究院長(chang)期(qi)致力于(yu)(yu)電(dian)(dian)網(wang)短路電(dian)(dian)流限(xian)(xian)制技術(shu)的(de)開(kai)發(fa)與應用(yong)(yong)工作，早期(qi)由公(gong)司(si)首席技術(shu)專家艾(ai)紹貴提出研制的(de)“節(jie)能(neng)(neng)型(xing)電(dian)(dian)網(wang)限(xian)(xian)流裝置”，通過對大容量高(gao)速開(kai)關(guan)(guan)的(de)改進，將(jiang)只能(neng)(neng)應用(yong)(yong)在(zai)6—10千(qian)伏(fu)高(gao)壓開(kai)關(guan)(guan)柜中的(de)高(gao)速開(kai)關(guan)(guan)應用(yong)(yong)于(yu)(yu)戶內外6—220千(qian)伏(fu)的(de)電(dian)(dian)網(wang)短路電(dian)(dian)流限(xian)(xian)制中。該項成(cheng)果獲寧(ning)夏回族(zu)自治區科(ke)技進步一等獎，并成(cheng)功(gong)在(zai)全(quan)國(guo)中壓（35千(qian)伏(fu)及(ji)以(yi)下）電(dian)(dian)網(wang)得(de)到廣(guang)(guang)泛應用(yong)(yong)。但大容量高(gao)速開(kai)關(guan)(guan)爆炸(zha)橋(qiao)開(kai)斷(duan)后(hou)需停電(dian)(dian)更換元件，所以(yi)不能(neng)(neng)廣(guang)(guang)泛的(de)應用(yong)(yong)于(yu)(yu)限(xian)(xian)制短路電(dian)(dian)流的(de)各種場合。

       為此，艾(ai)紹貴與(yu)安徽(hui)徽(hui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)科(ke)技(ji)(ji)股(gu)份有限(xian)(xian)公(gong)司(si)(si)合作(zuo)，開(kai)(kai)始(shi)進(jin)行(xing)(xing)快(kuai)(kuai)速(su)(su)(su)大遮斷(duan)容量(liang)真(zhen)空斷(duan)路(lu)(lu)(lu)(lu)(lu)(lu)器(qi)(qi)（簡稱(cheng)快(kuai)(kuai)速(su)(su)(su)開(kai)(kai)關(guan)(guan)）的研(yan)(yan)(yan)制(zhi)和(he)改(gai)進(jin)工作(zuo)。與(yu)此同時(shi)(shi)(shi)(shi)，國(guo)網(wang)寧夏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)公(gong)司(si)(si)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)科(ke)學(xue)研(yan)(yan)(yan)究院提出了研(yan)(yan)(yan)究將快(kuai)(kuai)速(su)(su)(su)開(kai)(kai)關(guan)(guan)技(ji)(ji)術(shu)、短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)快(kuai)(kuai)速(su)(su)(su)識別及相(xiang)控(kong)技(ji)(ji)術(shu)和(he)限(xian)(xian)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)技(ji)(ji)術(shu)集成(cheng)應用于(yu)(yu)(yu)(yu)超(chao)高(gao)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)的短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)限(xian)(xian)制(zhi)的結(jie)(jie)構(gou)簡單(dan)、成(cheng)本(ben)合理、無(wu)運(yun)行(xing)(xing)損(sun)耗(hao)、限(xian)(xian)流(liu)(liu)(liu)(liu)效(xiao)果(guo)好(hao)、運(yun)行(xing)(xing)可(ke)靠性高(gao)、運(yun)行(xing)(xing)維護簡單(dan)的快(kuai)(kuai)速(su)(su)(su)開(kai)(kai)關(guan)(guan)型零損(sun)耗(hao)330千(qian)伏(fu)(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)限(xian)(xian)流(liu)(liu)(liu)(liu)裝置(zhi)的研(yan)(yan)(yan)制(zhi)項(xiang)目(mu)(mu)，開(kai)(kai)始(shi)展開(kai)(kai)超(chao)高(gao)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)快(kuai)(kuai)速(su)(su)(su)開(kai)(kai)關(guan)(guan)型短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)限(xian)(xian)制(zhi)技(ji)(ji)術(shu)開(kai)(kai)發(fa)(fa)(fa)與(yu)應用工作(zuo)，并在項(xiang)目(mu)(mu)的進(jin)展過程中在超(chao)高(gao)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)實現經濟(ji)型限(xian)(xian)制(zhi)系(xi)統(tong)短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)技(ji)(ji)術(shu)方面取得(de)突破，首(shou)次(ci)在超(chao)高(gao)壓系(xi)統(tong)采用快(kuai)(kuai)速(su)(su)(su)真(zhen)空開(kai)(kai)關(guan)(guan)與(yu)限(xian)(xian)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)并聯技(ji)(ji)術(shu)和(he)限(xian)(xian)流(liu)(liu)(liu)(liu)單(dan)元模塊化(hua)設計的積木式結(jie)(jie)構(gou)，正(zheng)常運(yun)行(xing)(xing)時(shi)(shi)(shi)(shi)限(xian)(xian)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)無(wu)損(sun)耗(hao)，短路(lu)(lu)(lu)(lu)(lu)(lu)時(shi)(shi)(shi)(shi)可(ke)在小于(yu)(yu)(yu)(yu)20毫秒(miao)時(shi)(shi)(shi)(shi)間(jian)(jian)內(nei)將系(xi)統(tong)短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)限(xian)(xian)制(zhi)在任意(yi)幅值(zhi)內(nei)。首(shou)次(ci)通過采用短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)過零點快(kuai)(kuai)速(su)(su)(su)預測及精確相(xiang)控(kong)開(kai)(kai)斷(duan)技(ji)(ji)術(shu)，在系(xi)統(tong)短路(lu)(lu)(lu)(lu)(lu)(lu)發(fa)(fa)(fa)生后2—3毫秒(miao)內(nei)，完成(cheng)短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)幅值(zhi)及其過零時(shi)(shi)(shi)(shi)刻(ke)的準確預測，確保快(kuai)(kuai)速(su)(su)(su)真(zhen)空開(kai)(kai)關(guan)(guan)實現過零點相(xiang)控(kong)開(kai)(kai)斷(duan)。開(kai)(kai)發(fa)(fa)(fa)出適用于(yu)(yu)(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)限(xian)(xian)制(zhi)短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)需要(yao)的合閘(zha)時(shi)(shi)(shi)(shi)間(jian)(jian)小于(yu)(yu)(yu)(yu)12毫秒(miao)，分(fen)閘(zha)時(shi)(shi)(shi)(shi)間(jian)(jian)小于(yu)(yu)(yu)(yu)5毫秒(miao)，斷(duan)口穩態恢復(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓大于(yu)(yu)(yu)(yu)21千(qian)伏(fu)(fu)，可(ke)有效(xiao)開(kai)(kai)斷(duan)80千(qian)安短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)的快(kuai)(kuai)速(su)(su)(su)開(kai)(kai)關(guan)(guan)。通過技(ji)(ji)術(shu)集成(cheng)與(yu)開(kai)(kai)發(fa)(fa)(fa)完成(cheng)的限(xian)(xian)流(liu)(liu)(liu)(liu)裝置(zhi)體積小、成(cheng)本(ben)低、運(yun)行(xing)(xing)維護簡單(dan)、限(xian)(xian)流(liu)(liu)(liu)(liu)效(xiao)果(guo)明(ming)顯，而且由(you)于(yu)(yu)(yu)(yu)元件少運(yun)行(xing)(xing)可(ke)靠性高(gao)，對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)正(zheng)常運(yun)行(xing)(xing)無(wu)影響，完全滿(man)足超(chao)高(gao)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網(wang)限(xian)(xian)制(zhi)短路(lu)(lu)(lu)(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)的要(yao)求。

       該(gai)項(xiang)技術填補了(le)該(gai)領(ling)域的國(guo)際空白，技術水平(ping)居于國(guo)際領(ling)先(xian)。