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11月16日，由中國(guo)電(dian)(dian)力(li)科學研究院牽頭承擔(dan)的“應(ying)對大(da)停電(dian)(dian)的全過程防(fang)(fang)控及應(ying)急恢復策(ce)略研究”項(xiang)目(mu)順利(li)通(tong)過國(guo)家(jia)電(dian)(dian)網公司科技部驗收。項(xiang)目(mu)成果可有效提升電(dian)(dian)網的應(ying)急防(fang)(fang)控和快速恢復能力(li)，具有實際(ji)可操作性(xing)和良好的推廣應(ying)用價值。

我國(guo)電(dian)(dian)網未來交直流混(hun)聯、多FACTS接入、大(da)規模(mo)新能源并網的(de)復雜(za)場景，亟待開展大(da)停電(dian)(dian)發生機(ji)理(li)、大(da)停電(dian)(dian)緊急防控、停電(dian)(dian)后電(dian)(dian)網恢復過程中(zhong)的(de)設備安全和系統安全穩定等方面的(de)深入研(yan)究。

項目通過(guo)(guo)(guo)對(dui)大(da)停(ting)(ting)電(dian)(dian)事故(gu)的(de)(de)機(ji)理分析(xi)、應(ying)(ying)急(ji)控制(zhi)(zhi)、恢(hui)復(fu)控制(zhi)(zhi)全(quan)(quan)過(guo)(guo)(guo)程(cheng)(cheng)研究，提(ti)(ti)出(chu)(chu)了(le)耦合支路介數(shu)和(he)全(quan)(quan)過(guo)(guo)(guo)程(cheng)(cheng)動態(tai)仿真相結合的(de)(de)大(da)停(ting)(ting)電(dian)(dian)故(gu)障(zhang)集(ji)構建(jian)(jian)技術，實現了(le)大(da)停(ting)(ting)電(dian)(dian)長(chang)時(shi)間動態(tai)過(guo)(guo)(guo)程(cheng)(cheng)仿真模擬；針對(dui)傳(chuan)統(tong)的(de)(de)電(dian)(dian)力系(xi)統(tong)狀態(tai)劃(hua)分指標(biao)主要為定(ding)(ding)性判(pan)斷、缺(que)乏定(ding)(ding)量(liang)指導的(de)(de)難(nan)(nan)題(ti)(ti)，提(ti)(ti)出(chu)(chu)一(yi)種(zhong)基(ji)于熵值門檻的(de)(de)電(dian)(dian)網(wang)(wang)從(cong)正(zheng)常狀態(tai)至(zhi)警戒(jie)狀態(tai)的(de)(de)過(guo)(guo)(guo)渡評(ping)價(jia)指標(biao)；針對(dui)現有電(dian)(dian)網(wang)(wang)安全(quan)(quan)評(ping)估和(he)預警系(xi)統(tong)在(zai)電(dian)(dian)網(wang)(wang)實際運行和(he)故(gu)障(zhang)應(ying)(ying)對(dui)時(shi)存在(zai)的(de)(de)數(shu)據處理和(he)時(shi)滯(zhi)難(nan)(nan)題(ti)(ti)，創新了(le)電(dian)(dian)網(wang)(wang)在(zai)線(xian)保護和(he)監(jian)控的(de)(de)三道防線(xian)配置(zhi)及功能設置(zhi)，構建(jian)(jian)了(le)新一(yi)代電(dian)(dian)網(wang)(wang)安全(quan)(quan)監(jian)控系(xi)統(tong)方案和(he)控制(zhi)(zhi)結構，提(ti)(ti)出(chu)(chu)了(le)適應(ying)(ying)聯網(wang)(wang)/孤網(wang)(wang)條(tiao)件下(xia)的(de)(de)低頻減載/高(gao)頻切機(ji)及低壓減載措(cuo)施的(de)(de)配置(zhi)原則(ze)和(he)方案、超/特高(gao)壓電(dian)(dian)網(wang)(wang)恢(hui)復(fu)過(guo)(guo)(guo)程(cheng)(cheng)中啟動路徑的(de)(de)優化選擇方法(fa)、電(dian)(dian)網(wang)(wang)重構恢(hui)復(fu)過(guo)(guo)(guo)程(cheng)(cheng)中面臨的(de)(de)頻率穩(wen)定(ding)(ding)和(he)電(dian)(dian)壓穩(wen)定(ding)(ding)的(de)(de)風(feng)險點、基(ji)于兩級補救(jiu)策略(lve)的(de)(de)電(dian)(dian)力系(xi)統(tong)安全(quan)(quan)穩(wen)定(ding)(ding)緊急(ji)控制(zhi)(zhi)方法(fa)等應(ying)(ying)對(dui)大(da)停(ting)(ting)電(dian)(dian)的(de)(de)全(quan)(quan)過(guo)(guo)(guo)程(cheng)(cheng)防控及應(ying)(ying)急(ji)恢(hui)復(fu)策略(lve)。

項目研究成(cheng)果全(quan)面(mian)豐(feng)富了(le)應對大停電(dian)(dian)的(de)電(dian)(dian)力(li)系(xi)統三道防線策略體系(xi)，為(wei)有(you)力(li)阻斷大停電(dian)(dian)事故發(fa)生(sheng)提(ti)供了(le)堅(jian)強的(de)技術支撐(cheng)。