1月4日從國(guo)家電網(wang)(wang)有限公(gong)司東北分部獲悉，隨著(zhu)東北地區(qu)74套(tao)寬(kuan)頻振(zhen)蕩(dang)監(jian)(jian)(jian)測(ce)與監(jian)(jian)(jian)控子站(zhan)裝置投運，東北電網(wang)(wang)系(xi)(xi)(xi)(xi)(xi)統(tong)保護(hu)(hu)工(gong)程五大系(xi)(xi)(xi)(xi)(xi)統(tong)（高(gao)(gao)頻緊急控制系(xi)(xi)(xi)(xi)(xi)統(tong)、系(xi)(xi)(xi)(xi)(xi)統(tong)保護(hu)(hu)調度端安(an)全(quan)(quan)(quan)監(jian)(jian)(jian)視管理系(xi)(xi)(xi)(xi)(xi)統(tong)、扎魯特特高(gao)(gao)壓(ya)(ya)換流站(zhan)近區(qu)自動電壓(ya)(ya)控制系(xi)(xi)(xi)(xi)(xi)統(tong)、系(xi)(xi)(xi)(xi)(xi)統(tong)保護(hu)(hu)網(wang)(wang)絡安(an)全(quan)(quan)(quan)防(fang)護(hu)(hu)系(xi)(xi)(xi)(xi)(xi)統(tong)、寬(kuan)頻振(zhen)蕩(dang)監(jian)(jian)(jian)測(ce)與監(jian)(jian)(jian)控系(xi)(xi)(xi)(xi)(xi)統(tong)）全(quan)(quan)(quan)面(mian)建(jian)成并投運。東北電網(wang)(wang)系(xi)(xi)(xi)(xi)(xi)統(tong)保護(hu)(hu)工(gong)程通過多(duo)種控制手段優化協調，構建(jian)了高(gao)(gao)可靠性(xing)、高(gao)(gao)安(an)全(quan)(quan)(quan)性(xing)的綜合安(an)全(quan)(quan)(quan)防(fang)御體系(xi)(xi)(xi)(xi)(xi)，可系(xi)(xi)(xi)(xi)(xi)統(tong)性(xing)地應(ying)對電網(wang)(wang)嚴重故障沖擊，有助(zhu)于保障大電網(wang)(wang)安(an)全(quan)(quan)(quan)穩定運行。

      “十三五”時(shi)期，東(dong)北(bei)(bei)電網(wang)首條特(te)高壓直(zhi)流(liu)外送通(tong)(tong)道(dao)——魯(lu)固(gu)直(zhi)流(liu)投運(yun)。隨著特(te)高壓直(zhi)流(liu)電網(wang)的(de)(de)發展(zhan)，東(dong)北(bei)(bei)電網(wang)穩(wen)定(ding)問題(ti)凸顯，地(di)區(qu)安全(quan)運(yun)行(xing)(xing)風(feng)險加(jia)大。同時(shi)，由(you)于東(dong)北(bei)(bei)地(di)區(qu)新(xin)能(neng)源(yuan)發展(zhan)迅速(su)，大規模(mo)新(xin)能(neng)源(yuan)并網(wang)的(de)(de)匯集站短(duan)路容量偏低，系(xi)統(tong)(tong)(tong)寬頻振(zhen)蕩(dang)(dang)風(feng)險加(jia)大。東(dong)北(bei)(bei)電網(wang)系(xi)統(tong)(tong)(tong)保護工(gong)(gong)(gong)程(cheng)(cheng)是(shi)提升防御嚴重故障引發系(xi)統(tong)(tong)(tong)性風(feng)險能(neng)力的(de)(de)關鍵(jian)手段(duan)(duan)。針(zhen)對特(te)高壓直(zhi)流(liu)閉鎖引發的(de)(de)頻率安全(quan)風(feng)險，該(gai)工(gong)(gong)(gong)程(cheng)(cheng)統(tong)(tong)(tong)籌(chou)協(xie)調(diao)全(quan)網(wang)新(xin)能(neng)源(yuan)、水(shui)電、火電等資(zi)源(yuan)，在線防控風(feng)險。該(gai)工(gong)(gong)(gong)程(cheng)(cheng)通(tong)(tong)過就地(di)實時(shi)電壓精準(zhun)感知和(he)多點優化(hua)協(xie)調(diao)對無功(gong)資(zi)源(yuan)進行(xing)(xing)自動反時(shi)限(xian)調(diao)控，實現特(te)高壓直(zhi)流(liu)近(jin)區(qu)工(gong)(gong)(gong)頻電壓的(de)(de)秒級(ji)自動快速(su)控制；通(tong)(tong)過“源(yuan)頭監控、路徑監測、火電控保”的(de)(de)寬頻振(zhen)蕩(dang)(dang)三道(dao)防線，可在振(zhen)蕩(dang)(dang)發生初期快速(su)精準(zhun)定(ding)位并切除振(zhen)蕩(dang)(dang)源(yuan)；對穩(wen)控系(xi)統(tong)(tong)(tong)通(tong)(tong)信(xin)鏈路進行(xing)(xing)網(wang)絡安全(quan)布(bu)控，防止惡意攻擊和(he)非法入侵(qin)導(dao)致的(de)(de)誤(wu)動；為調(diao)度(du)提供(gong)(gong)更為直(zhi)觀的(de)(de)系(xi)統(tong)(tong)(tong)保護實時(shi)運(yun)行(xing)(xing)監控手段(duan)(duan)。該(gai)工(gong)(gong)(gong)程(cheng)(cheng)為跨區(qu)資(zi)源(yuan)優化(hua)配置和(he)大規模(mo)新(xin)能(neng)源(yuan)集中發電保駕護航，有利于在當前保供(gong)(gong)形勢(shi)下保障東(dong)北(bei)(bei)、華北(bei)(bei)地(di)區(qu)電力充足(zu)供(gong)(gong)應。

      2016年以(yi)來(lai)，國(guo)網東北分(fen)(fen)部組(zu)織區域內(nei)四家(jia)省級電(dian)力公司、中國(guo)電(dian)科院、南瑞(rui)集團、保護(hu)設備制造廠家(jia)等聯合(he)開展系統保護(hu)研發和(he)建設，持續開展電(dian)網特性分(fen)(fen)析、系統設計、策略研究、裝置研發、實時數字仿真(zhen)系統驗證、現場(chang)實施等工作，為系統保護(hu)工程順(shun)利(li)投運奠定基礎。

      自2018年(nian)7月高頻(pin)(pin)緊急控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)(tong)投(tou)運(yun)至(zhi)今，東(dong)北電(dian)(dian)網(wang)系(xi)(xi)統(tong)(tong)保(bao)護(hu)工程控(kong)(kong)制(zhi)(zhi)(zhi)電(dian)(dian)源(yuan)容量達(da)到5105萬千瓦，降低(di)了(le)電(dian)(dian)網(wang)頻(pin)(pin)率崩潰風(feng)險。截至(zhi)2021年(nian)年(nian)底，高頻(pin)(pin)緊急控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)(tong)網(wang)絡安(an)(an)防(fang)裝(zhuang)置全(quan)部(bu)投(tou)運(yun)，為整套系(xi)(xi)統(tong)(tong)提供了(le)安(an)(an)全(quan)運(yun)行(xing)環境；系(xi)(xi)統(tong)(tong)保(bao)護(hu)調(diao)度端安(an)(an)全(quan)監(jian)(jian)視管理系(xi)(xi)統(tong)(tong)發揮(hui)了(le)在線監(jian)(jian)控(kong)(kong)預(yu)警作用；扎(zha)魯特特高壓換流(liu)站近(jin)區(qu)自動電(dian)(dian)壓控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)(tong)子(zi)站達(da)到6個，提升了(le)區(qu)域電(dian)(dian)壓穩定水平；東(dong)北電(dian)(dian)網(wang)寬(kuan)頻(pin)(pin)振蕩(dang)(dang)監(jian)(jian)測與監(jian)(jian)控(kong)(kong)系(xi)(xi)統(tong)(tong)站點(dian)(dian)達(da)到74個，可及時(shi)將寬(kuan)頻(pin)(pin)振蕩(dang)(dang)風(feng)險控(kong)(kong)制(zhi)(zhi)(zhi)在最小(xiao)范圍內。國網(wang)東(dong)北分(fen)部(bu)后(hou)續(xu)將繼續(xu)結(jie)合系(xi)(xi)統(tong)(tong)變化(hua)，滾動調(diao)整優化(hua)系(xi)(xi)統(tong)(tong)保(bao)護(hu)布點(dian)(dian)及控(kong)(kong)制(zhi)(zhi)(zhi)策略(lve)。