2012年8月1日,印度官員(yuan)宣布(bu),印度大(da)面積斷電已經結束(shu)。印度發生的(de)停電事故,覆蓋了(le)一半以上的(de)國土,直接影響6億多人的(de)生活(huo),是這個南(nan)亞國家11年來最(zui)嚴重(zhong)的(de)停電事故。
印度北部和東部地區7月(yue)30日和31日連續發生兩(liang)次大(da)(da)面(mian)積停(ting)電事故。突如其來的(de)斷(duan)電導(dao)致(zhi)交通陷(xian)入混亂(luan),全(quan)國超過300列(lie)火車停(ting)運,首都(dou)新德里的(de)地鐵(tie)也全(quan)部停(ting)運,造成旅客大(da)(da)量滯留,公路交通出現(xian)大(da)(da)面(mian)積擁(yong)堵。一些礦工被困(kun)井下(xia)。銀行系統陷(xian)入癱(tan)瘓,一度給印度的(de)金融交易帶(dai)來障(zhang)礙。
第(di)一(yi)次事故發生后(hou)(hou),印(yin)度(du)電(dian)(dian)(dian)力(li)部門排除故障,在(zai)停電(dian)(dian)(dian)后(hou)(hou)15個(ge)小時內基本恢(hui)復(fu)(fu)了電(dian)(dian)(dian)力(li)供(gong)(gong)應。但旁遮普邦(bang)、哈里(li)亞納邦(bang)以及北(bei)方邦(bang)等(deng)幾個(ge)地區(qu)在(zai)供(gong)(gong)電(dian)(dian)(dian)恢(hui)復(fu)(fu)后(hou)(hou)繼續超負荷用電(dian)(dian)(dian),導(dao)致了第(di)二次大面積停電(dian)(dian)(dian)。印(yin)度(du)電(dian)(dian)(dian)力(li)部門因(yin)此(ci)不(bu)得不(bu)從鄰國輸入電(dian)(dian)(dian)力(li)來滿足新德里(li)的用電(dian)(dian)(dian)需(xu)求(qiu)。截至8月1日,印(yin)度(du)北(bei)部地區(qu)95%的電(dian)(dian)(dian)力(li)供(gong)(gong)應已恢(hui)復(fu)(fu)。
貝恩咨(zi)詢公(gong)司(si)高級合(he)伙人阿密特·辛哈認為,此次停電(dian)(dian)事故給(gei)印度經濟敲響了警鐘(zhong)——印度電(dian)(dian)力(li)供應至(zhi)少需要保(bao)持每(mei)年6.5%至(zhi)7%的(de)增(zeng)速(su),否則將會對該國制造(zao)業和出口(kou)企業造(zao)成傷害。
印(yin)度最大行業協會(hui)印(yin)度工(gong)商聯合會(hui)主席卡諾里亞說:“連續兩天如(ru)此大規(gui)模的停電,值(zhi)得我們(men)密切關注,這(zhe)當然(ran)會(hui)
對于商業投資環境本就存在不(bu)少(shao)問(wen)題的印度(du)來說,此次大停電不(bu)僅影響企業生產和(he)盈利水平,還影響到印度(du)在外(wai)國投資者眼中的形象。
印(yin)(yin)(yin)度(du)(du)產業聯合會理事長錢德(de)拉吉特·班納吉表(biao)示,印(yin)(yin)(yin)度(du)(du)經(jing)濟近來增(zeng)長放緩,外界本就對印(yin)(yin)(yin)度(du)(du)前景不太看好,如今電(dian)網兩(liang)天內連續(xu)崩潰無(wu)疑(yi)使印(yin)(yin)(yin)度(du)(du)的形(xing)象進(jin)一步受損,令有(you)意投資印(yin)(yin)(yin)度(du)(du)的外國企業望而卻(que)步。對于一個擁有(you)世界約六(liu)分之一人口的新興經(jing)濟體,有(you)必要使基(ji)礎設施建設與印(yin)(yin)(yin)度(du)(du)的強國夢想相匹(pi)配(pei)。
世界媒體都在(zai)議論(lun)印度大(da)(da)(da)停(ting)電(dian)(dian)(dian)(dian),但任何(he)國家(jia)都不(bu)能(neng)否認(ren)自己也遭遇過(guo)大(da)(da)(da)停(ting)電(dian)(dian)(dian)(dian)的歷史,只是規模(mo)和破壞(huai)程度不(bu)同(tong)罷了。美國上世紀后半葉(xie),至(zhi)少(shao)出現三次大(da)(da)(da)規模(mo)停(ting)電(dian)(dian)(dian)(dian)事故,近十多年(nian)時間里,美國至(zhi)少(shao)遭遇過(guo)數(shu)(shu)次大(da)(da)(da)停(ting)電(dian)(dian)(dian)(dian)。如2008年(nian),佛羅里達州發生(sheng)大(da)(da)(da)停(ting)電(dian)(dian)(dian)(dian),300萬人沒有電(dian)(dian)(dian)(dian)力供應;2003年(nian)大(da)(da)(da)停(ting)電(dian)(dian)(dian)(dian),由密歇根州延伸(shen)至(zhi)紐約,最后蔓延到加拿(na)大(da)(da)(da)。危機(ji)專家(jia)承認(ren),“一(yi)次大(da)(da)(da)停(ting)電(dian)(dian)(dian)(dian),即使是數(shu)(shu)秒鐘,也不(bu)亞于(yu)一(yi)場大(da)(da)(da)地震(zhen)帶(dai)來(lai)的破壞(huai)”。
很多新(xin)興經(jing)(jing)濟(ji)(ji)體(ti)(ti)在經(jing)(jing)濟(ji)(ji)高增長的(de)(de)刺激(ji)或尋求經(jing)(jing)濟(ji)(ji)高增長的(de)(de)動(dong)機之下,只(zhi)顧(gu)電(dian)(dian)(dian)(dian)力開發,卻忽視(shi)(shi)電(dian)(dian)(dian)(dian)網(wang)安全(quan)工作,對(dui)電(dian)(dian)(dian)(dian)網(wang)管理(li)體(ti)(ti)制改革(ge)方面重視(shi)(shi)不夠,導致“缺(que)電(dian)(dian)(dian)(dian)”和“有電(dian)(dian)(dian)(dian)”下都(dou)斷電(dian)(dian)(dian)(dian)停電(dian)(dian)(dian)(dian)的(de)(de)情況,造(zao)成大量的(de)(de)浪費和損失。印(yin)度(du)此次(ci)發生的(de)(de)問題,對(dui)印(yin)度(du)是(shi)(shi)個現實教訓(xun),對(dui)世界各新(xin)興經(jing)(jing)濟(ji)(ji)體(ti)(ti)而(er)言,是(shi)(shi)給電(dian)(dian)(dian)(dian)網(wang)安全(quan)上了一課。只(zhi)要體(ti)(ti)認“大停電(dian)(dian)(dian)(dian)或也會發生在我們身上”,那么,我們就應該從漠(mo)不關心等心態中覺醒過(guo)來(lai),把印(yin)度(du)問題視(shi)(shi)為自(zi)己的(de)(de)問題,做好自(zi)己的(de)(de)安全(quan)工作。
印度北部和東部地區7月30日和31日連續發
生兩次大面(mian)積停(ting)電事故。突(tu)如其來(lai)的(de)斷電導致交通陷入(ru)混亂,全國超過300列(lie)火(huo)車停(ting)運(yun),首都新德里(li)的(de)地鐵也全部停(ting)運(yun),造成旅客大量滯(zhi)留,公路(lu)交通出現大面(mian)積擁堵(du)。一些(xie)礦工被(bei)困井下。銀行(xing)系(xi)統陷入(ru)癱瘓,一度(du)給(gei)印度(du)的(de)金融交易(yi)帶(dai)來(lai)障礙。
第(di)一次事故發(fa)生后(hou),印度電(dian)力(li)部門排除故障,在停電(dian)后(hou)15個(ge)小時內(nei)基本恢(hui)復(fu)(fu)了電(dian)力(li)供應。但(dan)旁(pang)遮普邦、哈里亞納邦以及北(bei)方邦等幾個(ge)地(di)區在供電(dian)恢(hui)復(fu)(fu)后(hou)繼續超負(fu)荷用電(dian),導致了第(di)二次大面積停電(dian)。印度電(dian)力(li)部門因此不(bu)得不(bu)從鄰國輸入電(dian)力(li)來滿(man)足新德里的用電(dian)需求。截(jie)至8月1日,印度北(bei)部地(di)區95%的電(dian)力(li)供應已恢(hui)復(fu)(fu)。
貝恩咨詢公司高級(ji)合伙(huo)人阿密特·辛哈(ha)認為,此次停(ting)電(dian)事故給印度(du)經濟(ji)敲響了警鐘——印度(du)電(dian)力供應至(zhi)少需(xu)要保持每年6.5%至(zhi)7%的(de)增速,否則將會(hui)對(dui)該國(guo)制造業和出口企業造成傷害。
印(yin)(yin)度最大(da)(da)行(xing)業協會(hui)印(yin)(yin)度工商聯(lian)合會(hui)主席卡諾里亞說:“連續兩(liang)天(tian)如此(ci)大(da)(da)規(gui)模(mo)的(de)停(ting)電,值得我(wo)們密切(qie)關注(zhu),這(zhe)當然(ran)會(hui)
對于商業投資環境(jing)本就存(cun)在(zai)不少(shao)問題(ti)的印(yin)度(du)來說(shuo),此次(ci)大停電不僅(jin)影響(xiang)企業生產和(he)盈利水平,還影響(xiang)到印(yin)度(du)在(zai)外國(guo)投資者眼(yan)中的形象。
印度產業聯合(he)會理事長錢德拉吉特·班納吉表示,印度經(jing)濟近(jin)來增長放緩,外(wai)界本就對印度前景不太看好,如今(jin)電網(wang)兩天內連續崩潰無疑使印度的(de)形象進一(yi)步受(shou)損,令(ling)有(you)意(yi)投資印度的(de)外(wai)國(guo)企業望而卻步。對于(yu)一(yi)個擁(yong)有(you)世(shi)界約六(liu)分之一(yi)人口的(de)新(xin)興經(jing)濟體,有(you)必要使基礎設施建(jian)設與印度的(de)強國(guo)夢想相匹配。
世(shi)界媒體都在議論印度大(da)(da)停(ting)(ting)電(dian)(dian),但任何國(guo)家都不能(neng)否認自己(ji)也(ye)(ye)遭(zao)遇過大(da)(da)停(ting)(ting)電(dian)(dian)的(de)歷(li)史(shi),只是規模(mo)(mo)和破壞程度不同罷了。美國(guo)上世(shi)紀后(hou)半(ban)葉,至(zhi)少(shao)(shao)出現(xian)三次大(da)(da)規模(mo)(mo)停(ting)(ting)電(dian)(dian)事(shi)故,近十(shi)多年(nian)時間里,美國(guo)至(zhi)少(shao)(shao)遭(zao)遇過數次大(da)(da)停(ting)(ting)電(dian)(dian)。如(ru)2008年(nian),佛羅(luo)里達(da)州(zhou)發生大(da)(da)停(ting)(ting)電(dian)(dian),300萬人沒有(you)電(dian)(dian)力供(gong)應(ying);2003年(nian)大(da)(da)停(ting)(ting)電(dian)(dian),由密歇根(gen)州(zhou)延伸(shen)至(zhi)紐約,最(zui)后(hou)蔓(man)延到加拿大(da)(da)。危機(ji)專家承認,“一次大(da)(da)停(ting)(ting)電(dian)(dian),即使是數秒鐘,也(ye)(ye)不亞于一場大(da)(da)地(di)震帶來的(de)破壞”。
很多新(xin)興(xing)經(jing)濟體(ti)在經(jing)濟高增長(chang)的(de)(de)刺激或尋求經(jing)濟高增長(chang)的(de)(de)動機(ji)之下(xia),只(zhi)顧(gu)電(dian)(dian)力(li)開發(fa),卻(que)忽視(shi)電(dian)(dian)網(wang)安全工作,對(dui)電(dian)(dian)網(wang)管理體(ti)制(zhi)改革方面重(zhong)視(shi)不夠,導致(zhi)“缺電(dian)(dian)”和“有電(dian)(dian)”下(xia)都斷電(dian)(dian)停電(dian)(dian)的(de)(de)情況(kuang),造(zao)成(cheng)大(da)量(liang)的(de)(de)浪費和損失。印度(du)此次發(fa)生的(de)(de)問(wen)題(ti)(ti)(ti),對(dui)印度(du)是個現實(shi)教訓,對(dui)世界(jie)各新(xin)興(xing)經(jing)濟體(ti)而言,是給電(dian)(dian)網(wang)安全上了一課。只(zhi)要(yao)體(ti)認“大(da)停電(dian)(dian)或也會發(fa)生在我們(men)身上”,那么,我們(men)就應該從漠不關(guan)心(xin)等心(xin)態中覺醒過(guo)來,把印度(du)問(wen)題(ti)(ti)(ti)視(shi)為自己(ji)的(de)(de)問(wen)題(ti)(ti)(ti),做(zuo)好自己(ji)的(de)(de)安全工作。
2012年7月30口凌晨2時(shi)33分開始,印(yin)(yin)度(du)(du)北(bei)(bei)部地(di)區(qu)德(de)(de)里(li)邦(bang)(bang)、哈利亞納邦(bang)(bang)、中(zhong)央(yang)邦(bang)(bang)、旁遮普邦(bang)(bang)、拉賈斯坦(tan)邦(bang)(bang)、北(bei)(bei)安查爾邦(bang)(bang)、北(bei)(bei)方邦(bang)(bang)等9個邦(bang)(bang)發(fa)生停電(dian)(dian)(dian)事(shi)故(gu),逾3.7億人(ren)(ren)(ren)受(shou)到影(ying)響。在上述地(di)區(qu)恢(hui)復供(gong)電(dian)(dian)(dian)數小時(shi)后(hou),于當地(di)時(shi)間(jian)7月31口13時(shi)05分開始,印(yin)(yin)度(du)(du)包括(kuo)首(shou)都新德(de)(de)里(li)在內(nei)的東部、北(bei)(bei)部和(he)東北(bei)(bei)部地(di)區(qu)電(dian)(dian)(dian)網(wang)再次(ci)發(fa)生人(ren)(ren)(ren)面積(ji)停電(dian)(dian)(dian)事(shi)故(gu),超過20個邦(bang)(bang)再次(ci)陷入(ru)電(dian)(dian)(dian)力癱瘓狀態(tai),全國(guo)(guo)近一半地(di)區(qu)的供(gong)電(dian)(dian)(dian)出現中(zhong)斷,逾6.7億人(ren)(ren)(ren)口受(shou)到影(ying)響111印(yin)(yin)度(du)(du)兩天之內(nei)連續發(fa)生人(ren)(ren)(ren)面積(ji)停電(dian)(dian)(dian)事(shi)故(gu),是(shi)有史(shi)以來影(ying)響人(ren)(ren)(ren)曰(yue)最(zui)多(duo)的電(dian)(dian)(dian)力系統事(shi)故(gu),成(cheng)為世(shi)界范圍內(nei)規模最(zui)人(ren)(ren)(ren)的停電(dian)(dian)(dian)事(shi)件。印(yin)(yin)度(du)(du)長期以來電(dian)(dian)(dian)力工業基礎(chu)薄弱、基礎(chu)設施落后(hou)并滯(zhi)后(hou)于經濟發(fa)展等矛盾由來己久,這(zhe)次(ci)事(shi)件讓印(yin)(yin)度(du)(du)的電(dian)(dian)(dian)力管(guan)理體制、調度(du)(du)防控(kong)體系和(he)電(dian)(dian)(dian)網(wang)規劃建設等方面諸多(duo)問題(ti)再次(ci)暴露(lu)于公眾(zhong)面前。與我國(guo)(guo)一樣作(zuo)為正在崛(jue)起(qi)的發(fa)展中(zhong)國(guo)(guo)家,印(yin)(yin)度(du)(du)此次(ci)人(ren)(ren)(ren)停電(dian)(dian)(dian)事(shi)故(gu)對我國(guo)(guo)電(dian)(dian)(dian)網(wang)安全運行具(ju)有重人(ren)(ren)(ren)的借鑒意義。但是(shi)我國(guo)(guo)對人(ren)(ren)(ren)停電(dian)(dian)(dian)事(shi)故(gu)原因研究不(bu)深,需要進(jin)一步(bu)深入(ru)分析印(yin)(yin)度(du)(du)人(ren)(ren)(ren)停電(dian)(dian)(dian)印(yin)(yin)度(du)(du)的能(neng)源(yuan)電(dian)(dian)(dian)力概況。
印度的能源(yuan)資(zi)源(yuan)主要(yao)分布在東部和東北部地(di)區(qu)_以煤炭和水力為(wei)(wei)主_其(qi)余(yu)為(wei)(wei)核電(dian)(dian)(dian)(dian)、油電(dian)(dian)(dian)(dian)和天然(ran)氣(qi)發電(dian)(dian)(dian)(dian)。主要(yao)負荷中(zhong)心(xin)及人口稠密地(di)區(qu)則(ze)集中(zhong)在北部、南(nan)部和西部地(di)區(qu)。印度電(dian)(dian)(dian)(dian)網的輸電(dian)(dian)(dian)(dian)方向主要(yao)為(wei)(wei)東電(dian)(dian)(dian)(dian)西送,再(zai)(zai)輔以北電(dian)(dian)(dian)(dian)南(nan)送截至2012年5月,印度總(zong)發電(dian)(dian)(dian)(dian)裝機容量約為(wei)(wei)2億kW,其(qi)中(zhong)火電(dian)(dian)(dian)(dian)裝機占68.7070,水電(dian)(dian)(dian)(dian)占19.2070,核電(dian)(dian)(dian)(dian)和其(qi)他可再(zai)(zai)生能源(yuan)發電(dian)(dian)(dian)(dian)占12.1%}Z
作為亞洲第三人經濟體(ti),印(yin)(yin)度過(guo)去10年間經濟增速接近(jin)2位數(shu),能(neng)源消費(fei)年均增速6%但由于(yu)投資不足(zu),電(dian)(dian)(dian)力工業發(fa)展(zhan)(zhan)嚴重滯(zhi)后于(yu)經濟發(fa)展(zhan)(zhan)水平,發(fa)電(dian)(dian)(dian)冗余不足(zu),跨區(qu)輸電(dian)(dian)(dian)能(neng)力不夠(gou),電(dian)(dian)(dian)力供應長期處(chu)于(yu)短缺狀(zhuang)態。印(yin)(yin)度2010-2011年度GDP增長8.5070,同期發(fa)電(dian)(dian)(dian)裝(zhuang)機增長僅(jin)為5.56%印(yin)(yin)度電(dian)(dian)(dian)力部預計2012年印(yin)(yin)度高峰期電(dian)(dian)(dian)力缺曰(yue)10.6%左(zuo)右,全年電(dian)(dian)(dian)量(liang)缺曰(yue)7.3%左(zuo)右。仍(reng)有近(jin)40%的印(yin)(yin)度家庭(約2.89億人)沒有用上電(dian)(dian)(dian),且印(yin)(yin)度人部分地區(qu)供電(dian)(dian)(dian)質量(liang)低、停(ting)電(dian)(dian)(dian)頻繁(fan),即使在首(shou)都(dou)新德里也經常拉閘限電(dian)(dian)(dian)。
印度(du)電(dian)(dian)網(wang)由(you)五(wu)人區域(yu)性電(dian)(dian)網(wang)組成,即北(bei)部(bu)、東部(bu)、西(xi)部(bu)、東北(bei)部(bu)和南(nan)部(bu)電(dian)(dian)網(wang)。印度(du)電(dian)(dian)網(wang)的(de)電(dian)(dian)壓等級(ji)主要有765kV,500 kV,400kV,220kV和132kV北(bei)部(bu)、東部(bu)、西(xi)部(bu)、東北(bei)部(bu)電(dian)(dian)網(wang)實現了交(jiao)(jiao)流(liu)400kV同(tong)步(bu)聯(lian)(lian)網(wang),形成中央電(dian)(dian)網(wang)(New Grid)。南(nan)部(bu)電(dian)(dian)網(wang)與中央電(dian)(dian)網(wang)通過直流(liu)異步(bu)聯(lian)(lian)接(jie)。此外印度(du)東部(bu)電(dian)(dian)網(wang)通過400kV交(jiao)(jiao)流(liu)與不月-電(dian)(dian)網(wang)互聯(lian)(lian)印度(du)交(jiao)(jiao)流(liu)同(tong)步(bu)電(dian)(dian)網(wang)區域(yu)間互聯(lian)(lian)情況.
印度輸電網結構分為3層,即國家電網(跨區域(yu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)卜(bu)區(qu)域(yu)內(nei)(nei)(nei)(nei)跨(kua)(kua)邦(bang)(bang)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)一(yi)邦(bang)(bang)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)。其中跨(kua)(kua)區(qu)和跨(kua)(kua)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)由中央(yang)政(zheng)府(fu)(fu)所(suo)有(you)(you)(you)的印(yin)度(du)國家電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)公司(si)(si)(PGCIL)擁有(you)(you)(you),并(bing)負(fu)責運行管(guan)理(li);邦(bang)(bang)內(nei)(nei)(nei)(nei)輸(shu)電(dian)(dian)(dian)資(zi)產由邦(bang)(bang)政(zheng)府(fu)(fu)所(suo)有(you)(you)(you)的邦(bang)(bang)輸(shu)電(dian)(dian)(dian)公司(si)(si)(STUB)或邦(bang)(bang)電(dian)(dian)(dian)力局(未改革邦(bang)(bang))管(guan)理(li)從印(yin)度(du)交流(liu)(liu)互聯(lian)網(wang)(wang)(wang)(wang)跨(kua)(kua)區(qu)主(zhu)(zhu)網(wang)(wang)(wang)(wang)架(jia)來看(kan),區(qu)域(yu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)之間通過1同765kV交流(liu)(liu),23同400kV交流(liu)(liu)、10同220kV交流(liu)(liu)、1個(ge)(ge)士400kV直(zhi)(zhi)流(liu)(liu)背(bei)靠背(bei)和1個(ge)(ge)士500kV直(zhi)(zhi)流(liu)(liu)互聯(lian)。區(qu)域(yu)內(nei)(nei)(nei)(nei)主(zhu)(zhu)網(wang)(wang)(wang)(wang)架(jia)主(zhu)(zhu)要(yao)是以400kV/220kV電(dian)(dian)(dian)磁環網(wang)(wang)(wang)(wang)為主(zhu)(zhu)。印(yin)度(du)配電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)由邦(bang)(bang)政(zheng)府(fu)(fu)所(suo)有(you)(you)(you)或私(si)有(you)(you)(you)的配電(dian)(dian)(dian)公司(si)(si)擁有(you)(you)(you)并(bing)負(fu)責運行管(guan)理(li)一(yi)個(ge)(ge)邦(bang)(bang)內(nei)(nei)(nei)(nei)有(you)(you)(you)多個(ge)(ge)配電(dian)(dian)(dian)公司(si)(si),完全私(si)營(ying)的配電(dian)(dian)(dian)公司(si)(si)有(you)(you)(you)17個(ge)(ge),主(zhu)(zhu)要(yao)分布在德里、奧里薩、占(zhan)吉拉特(te)、孟(meng)買等邦(bang)(bang)
在調度(du)環節(jie),印(yin)度(du)電(dian)(dian)力(li)系統調度(du)分3級(ji),分別由國(guo)家調度(du)中心(NLDC),區(qu)域調度(du)中心}RLDC)、邦(bang)(bang)調度(du)中心(CBLDC)負(fu)責(ze)(ze)。其中NLDC負(fu)責(ze)(ze)跨區(qu)域輸電(dian)(dian)線路調度(du),5個RLDC負(fu)責(ze)(ze)區(qu)域內電(dian)(dian)網調度(du),各邦(bang)(bang)SLDC負(fu)責(ze)(ze)邦(bang)(bang)內電(dian)(dian)網調度(du)。調度(du)機構與電(dian)(dian)網所有者(zhe)合一,NLDC和RLDC由印(yin)度(du)國(guo)家電(dian)(dian)網公(gong)司管(guan)理(li),SLDC由邦(bang)(bang)輸電(dian)(dian)公(gong)司或電(dian)(dian)力(li)局管(guan)理(li)。
2印度“7.30","7.31”大停電事故直接原因
印度電(dian)力(li)部在事(shi)故(gu)后組成特(te)別小組展開全面的事(shi)故(gu)調查,并于s月I6口公布了(le)事(shi)故(gu)調查報告(gao),報告(gao)詳細地分(fen)析了(le)引起(qi)印度連續兩(liang)起(qi)人停電(dian)事(shi)故(gu)的直接原因。
2012年7月30口(kou),由(you)于Bina-Gwalior 400kV線路跳開,在(zai)北(bei)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)和(he)西(xi)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)解(jie)列后,由(you)西(xi)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)供(gong)給北(bei)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)負荷的(de)(de)潮流轉(zhuan)移到“西(xi)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)一東部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)一北(bei)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)”的(de)(de)聯(lian)(lian)絡通道,導(dao)致(zhi)系統(tong)發(fa)生功(gong)率(lv)(lv)振蕩(dang)由(you)于振蕩(dang)中心(xin)在(zai)北(bei)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)和(he)東部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)間(jian)的(de)(de)斷(duan)面上,致(zhi)使相(xiang)應的(de)(de)聯(lian)(lian)絡線跳開,造成北(bei)部(bu)(bu)電(dian)網(wang)(wang)(wang)(wang)和(he)印度交流互聯(lian)(lian)系統(tong)其他部(bu)(bu)分解(jie)列。由(you)于系統(tong)頻率(lv)(lv)過低以及區(qu)域內進一步(bu)的(de)(de)功(gong)率(lv)(lv)振蕩(dang),北(bei)部(bu)(bu)電(dian)力(li)系統(tong)最終崩潰。
2012年7月(yue)31口,由于Bina-Gwalior 400kV線路跳(tiao)(tiao)(tiao)開(kai),在(zai)(zai)北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)和(he)(he)西部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)解列(lie)以后,用于滿足(zu)北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)區(qu)(qu)(qu)域負荷的潮流轉(zhuan)移到(dao)“西部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)一東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)一北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)”的聯(lian)絡通道,導致系統發生功率(lv)振(zhen)(zhen)蕩(dang)7月(yue)31口的系統振(zhen)(zhen)蕩(dang)中心在(zai)(zai)東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)內(nei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu),靠近東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)和(he)(he)西部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)斷(duan)面,因此,在(zai)(zai)導致了(le)東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)內(nei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)相應(ying)線路跳(tiao)(tiao)(tiao)開(kai)之后,東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)中的一小部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)分(fen)(Ranchi和(he)(he)Rourkela),以及(ji)西部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)區(qu)(qu)(qu)域電(dian)(dian)(dian)網(wang)(wang)和(he)(he)印度交流互聯(lian)系統其他(ta)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)分(fen)解列(lie)。這(zhe)造成了(le)北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)和(he)(he)東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)間(jian)斷(duan)面的功率(lv)振(zhen)(zhen)蕩(dang),并進一步導致了(le)北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)區(qu)(qu)(qu)域電(dian)(dian)(dian)網(wang)(wang)和(he)(he)“東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)+東(dong)(dong)北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)”系統的解列(lie)。隨后,所有3個區(qu)(qu)(qu)域電(dian)(dian)(dian)網(wang)(wang)(北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、東(dong)(dong)北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu))由于區(qu)(qu)(qu)域內(nei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)功率(lv)振(zhen)(zhen)蕩(dang)造成多同線路跳(tiao)(tiao)(tiao)開(kai),系統頻率(lv)過低以及(ji)在(zai)(zai)不同地(di)區(qu)(qu)(qu)的過電(dian)(dian)(dian)壓,最終北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、東(dong)(dong)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)、東(dong)(dong)北(bei)(bei)部(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)(bu)電(dian)(dian)(dian)力(li)系統崩潰(kui)。
根據印(yin)度的(de)(de)調查(cha)報告,2次(ci)事(shi)故當天的(de)(de)故障錄波器結果(guo)均顯示(shi),系(xi)統中(zhong)并沒有監(jian)測到有故障發生(sheng)。在2次(ci)事(shi)故發生(sheng)前,由(you)于西(xi)(xi)部(bu)電網和(he)(he)北(bei)部(bu)電網斷(duan)面(mian)(mian),以及靠近東部(bu)電網和(he)(he)西(xi)(xi)部(bu)電網斷(duan)面(mian)(mian)的(de)(de)多條區域間聯絡線停(ting)運(yun)導致跨區通道(dao)弱聯系(xi),系(xi)統間的(de)(de)輸電能力被顯著削(xue)弱。西(xi)(xi)部(bu)電網和(he)(he)北(bei)部(bu)電網斷(duan)面(mian)(mian)均只(zhi)有Bina-Agra 400kV(單(dan)同)一條交流(liu)主(zhu)干聯絡線路處(chu)于運(yun)行(xing)狀態。
電(dian)網(wang)內的(de)(de)邦負荷(he)調度(du)中心對區域負荷(he)調度(du)中心要求(qiu)其降(jiang)低邦內電(dian)力(li)(li)(li)公司(si)透支(zhi)用(yong)電(dian),以及(ji)要求(qiu)西部(bu)電(dian)網(wang)內電(dian)力(li)(li)(li)公司(si)降(jiang)低發電(dian)出(chu)力(li)(li)(li)的(de)(de)指令(ling)響應(ying)不充分部(bu)分北(bei)部(bu)區域電(dian)力(li)(li)(li)公司(si)透支(zhi)用(yong)電(dian),產生了計(ji)劃(hua)外的(de)(de)電(dian)力(li)(li)(li)交(jiao)換,導(dao)致了西部(bu)與北(bei)部(bu)電(dian)網(wang)間唯(wei)一保(bao)持運行(xing)的(de)(de)400kV聯絡線處于高載荷(he)狀(zhuang)態,并超過了線路(lu)白身的(de)(de)額定(ding)功率(lv)。距離(li)保(bao)護繼電(dian)器3段(duan)保(bao)護動作使得該線路(lu)跳開,導(dao)致北(bei)部(bu)電(dian)網(wang)和西部(bu)電(dian)網(wang)解列。
在北(bei)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)和西(xi)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)解(jie)列后,由(you)西(xi)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)供給北(bei)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)負荷的(de)潮(chao)流轉移到“西(xi)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)一東(dong)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)一北(bei)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)”的(de)聯絡通道,導(dao)致(zhi)系統(tong)發生振(zhen)(zhen)蕩(dang)在2次連續人面積(ji)停(ting)電(dian)(dian)(dian)(dian)事(shi)故(gu)中,振(zhen)(zhen)蕩(dang)中心分(fen)別在北(bei)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)和東(dong)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)間的(de)斷(duan)面上,及在靠(kao)近東(dong)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)和西(xi)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)斷(duan)面的(de)東(dong)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)內部(bu)(bu)(bu),致(zhi)使相(xiang)應的(de)聯絡線(xian)和主干線(xian)路跳開,北(bei)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)和印度(du)交流互(hu)聯系統(tong)其(qi)他部(bu)(bu)(bu)分(fen)解(jie)列。由(you)于各(ge)個區域內系統(tong)頻率過(guo)低以及進一步的(de)功率振(zhen)(zhen)蕩(dang)等(deng)原因導(dao)致(zhi)電(dian)(dian)(dian)(dian)力系統(tong)崩(beng)潰,最終造成人面積(ji)停(ting)電(dian)(dian)(dian)(dian)事(shi)故(gu)
在(zai)(zai)這2次人(ren)面積(ji)停電事(shi)故(gu)中,西部(bu)電力(li)系統通過在(zai)(zai)區(qu)域內采取高頻切機(ji)措施,得(de)以(yi)幸免南部(bu)電力(li)系統從(cong)東(dong)部(bu)電網(wang)和西部(bu)電網(wang)饋入電力(li),也(ye)在(zai)(zai)7月(yue)31口的事(shi)故(gu)中得(de)以(yi)幸免,在(zai)(zai)事(shi)故(gu)發生后依然從(cong)西部(bu)電網(wang)饋入部(bu)分電力(li),并采取了若干防御機(ji)制,如(ru)白動低頻減負荷以(yi)及逐漸提升高壓直流受電功率
人電(dian)網統(tong)一防控(kong)體系(xi)是以(yi)堅強(qiang)網架為基(ji)礎的、基(ji)于人安全(quan)觀的、以(yi)統(tong)一規劃、統(tong)一調度(du)、統(tong)一管理(li)為手段的人電(dian)網安全(quan)防御與(yu)運行(營)控(kong)制(zhi)體系(xi)。該(gai)體系(xi)的不完(wan)善(shan)是木次印度(du)連續發生人面積停電(dian)事故的深層次原因(yin)
1網架結構不夠堅強,區域間交換能力不足
受印(yin)度(du)電(dian)力(li)(li)工業的經營與管理體制限(xian)制,各級電(dian)網(wang)(wang)(wang)建設缺(que)乏區域間(jian)統(tong)籌協(xie)調,區域主(zhu)網(wang)(wang)(wang)架(jia)以(yi)400kV/220kV電(dian)磁環網(wang)(wang)(wang)為主(zhu),沒有合(he)理的分層分區,網(wang)(wang)(wang)架(jia)結構較(jiao)易引(yin)發(fa)(fa)穩(wen)定破壞(huai)。400kV線路(lu)作為主(zhu)干網(wang)(wang)(wang)架(jia)己不滿足(zu)印(yin)度(du)經濟的快速增(zeng)長對電(dian)力(li)(li)負荷的需(xu)要,765kV系統(tong)剛剛啟動(dong)建設,還(huan)未(wei)成網(wang)(wang)(wang)。跨區主(zhu)網(wang)(wang)(wang)架(jia)之(zhi)間(jian)呈弱連接,一(yi)旦局部故(gu)障引(yin)發(fa)(fa)連鎖反應,或(huo)者區域電(dian)網(wang)(wang)(wang)白(bai)身發(fa)(fa)電(dian)能力(li)(li)人(ren)(ren)幅減少,各區域間(jian)彼此難以(yi)形成有力(li)(li)的支援,加入了發(fa)(fa)生人(ren)(ren)面積停電(dian)的可能性。
2電網發展缺乏統一規劃
印(yin)(yin)度(du)(du)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)規(gui)劃(hua)、建設主體和資(zi)產歸屬(shu)復雜,主要包括(kuo)印(yin)(yin)度(du)(du)國家(jia)(jia)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)公(gong)司(si)(si)(si)、邦(bang)(bang)屬(shu)電(dian)(dian)(dian)力(li)(li)公(gong)司(si)(si)(si)以(yi)及(ji)(ji)私人企業印(yin)(yin)度(du)(du)國家(jia)(jia)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)公(gong)司(si)(si)(si)負責區(qu)域(yu)及(ji)(ji)跨區(qu)域(yu)輸(shu)電(dian)(dian)(dian)線(xian)(xian)路(lu)的(de)規(gui)劃(hua),邦(bang)(bang)屬(shu)電(dian)(dian)(dian)力(li)(li)公(gong)司(si)(si)(si)負責邦(bang)(bang)內輸(shu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)絡(luo)的(de)規(gui)劃(hua)。盡管(guan)由隸屬(shu)于印(yin)(yin)度(du)(du)國家(jia)(jia)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)公(gong)司(si)(si)(si)的(de)5個區(qu)域(yu)級電(dian)(dian)(dian)力(li)(li)調度(du)(du)中(zhong)(zhong)心負責協調和管(guan)理有關(guan)邦(bang)(bang)之間輸(shu)電(dian)(dian)(dian)線(xian)(xian)路(lu)的(de)相關(guan)事務,但(dan)其(qi)對邦(bang)(bang)內電(dian)(dian)(dian)力(li)(li)公(gong)司(si)(si)(si)并無管(guan)理關(guan)系,無力(li)(li)有效實(shi)現跨區(qu)、跨邦(bang)(bang)和邦(bang)(bang)內電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)的(de)統一規(gui)劃(hua),各區(qu)域(yu)間電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)的(de)發(fa)展規(gui)劃(hua)較難(nan)形(xing)成合(he)理的(de)匹配和有效的(de)銜接。除(chu)上(shang)述所述的(de)長期(qi)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)規(gui)劃(hua)問題(ti)外(wai),印(yin)(yin)度(du)(du)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)還存在(zai)短期(qi)運(yun)行規(gui)劃(hua)中(zhong)(zhong),區(qu)域(yu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)、邦(bang)(bang)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)的(de)輸(shu)電(dian)(dian)(dian)線(xian)(xian)路(lu)停運(yun)計(ji)劃(hua)不(bu)協調的(de)嚴重問題(ti),并因此(ci)直(zhi)接造成了區(qu)域(yu)間聯絡(luo)線(xian)(xian)的(de)功(gong)率調控(kong)能(neng)力(li)(li)缺失。
3電網缺乏統一調度機制
除了固有的發電冗余不足,調(diao)峰能力(li)弱(ruo)等客(ke)觀原因(yin)外,此(ci)次(ci)事故暴露出印度電網調(diao)度體(ti)制不健(jian)全,電網運行(xing)缺乏統一(yi)調(diao)度,不同(tong)級調(diao)度機構約束能力(li)弱(ruo)、跨(kua)邦(bang)跨(kua)區調(diao)度協(xie)調(diao)能力(li)不足,調(diao)度指揮(hui)不暢,調(diao)度指令失靈等問題。
印度(du)實行(xing)(xing)分散(san)的(de)(de)(de)調(diao)(diao)度(du)體(ti)制,存在國(guo)家(jia)(jia)、區域(yu)(yu)、邦(bang)(bang)(bang)級(ji)以及(ji)邦(bang)(bang)(bang)內各(ge)(ge)地區4級(ji)以上的(de)(de)(de)調(diao)(diao)度(du)管(guan)(guan)(guan)理(li)_缺乏統一調(diao)(diao)度(du)機制。各(ge)(ge)邦(bang)(bang)(bang)調(diao)(diao)度(du)機構獨立(li)于(yu)國(guo)家(jia)(jia)和區域(yu)(yu)調(diao)(diao)度(du)機構,主要受當地電(dian)力局或輸(shu)電(dian)公司管(guan)(guan)(guan)理(li)。國(guo)家(jia)(jia)調(diao)(diao)度(du)機構對邦(bang)(bang)(bang)調(diao)(diao)度(du)機構的(de)(de)(de)約束能力較弱(ruo),白上而卜的(de)(de)(de)調(diao)(diao)度(du)和管(guan)(guan)(guan)理(li)的(de)(de)(de)無(wu)法做到“一票到底”。當區域(yu)(yu)電(dian)力調(diao)(diao)度(du)與邦(bang)(bang)(bang)級(ji)電(dian)力調(diao)(diao)度(du)發生矛盾時,需向電(dian)監會反應(ying)并由電(dian)監會負(fu)責協調(diao)(diao)解決。事故中(zhong)北部各(ge)(ge)邦(bang)(bang)(bang)不(bu)服從區域(yu)(yu)電(dian)網(wang)(wang)調(diao)(diao)度(du),使電(dian)網(wang)(wang)設備持續維持超(chao)負(fu)荷運行(xing)(xing),區域(yu)(yu)電(dian)網(wang)(wang)調(diao)(diao)度(du)指令對各(ge)(ge)邦(bang)(bang)(bang)超(chao)計劃受電(dian)無(wu)能為力。印度(du)多位(wei)電(dian)力官員表示,各(ge)(ge)州沒(mei)有按照規(gui)定調(diao)(diao)整(zheng)負(fu)荷需求,致使跨邦(bang)(bang)(bang)聯(lian)絡(luo)線超(chao)負(fu)荷運行(xing)(xing),導致了系統崩潰此外,印度(du)電(dian)網(wang)(wang)運行(xing)(xing)標準偏低,調(diao)(diao)度(du)裕度(du)不(bu)足印度(du)電(dian)網(wang)(wang)運營模式允許用頻率(lv)換用電(dian)量的(de)(de)(de)行(xing)(xing)為,系統運行(xing)(xing)經(jing)常出現背離計劃的(de)(de)(de)情(qing)況,而且輸(shu)電(dian)頻率(lv)的(de)(de)(de)正常運行(xing)(xing)范圍值為48.5--50.2Hz,允許頻率(lv)偏差較人,這些造成(cheng)電(dian)網(wang)(wang)運行(xing)(xing)長期處于(yu)緊張狀態。
4電力管理體制分散,缺乏統一管理
印(yin)度電(dian)(dian)(dian)力(li)管理(li)(li)體(ti)制缺乏集約化,各(ge)邦政(zheng)府對電(dian)(dian)(dian)力(li)改(gai)(gai)革擁有(you)較高(gao)白主權(quan),使得各(ge)邦改(gai)(gai)革進(jin)程不盡相同,統(tong)籌(chou)協(xie)調發展實現困難。發、輸、配電(dian)(dian)(dian)所有(you)權(quan)和經營權(quan)分散,利益(yi)主體(ti)多(duo)元,電(dian)(dian)(dian)網(wang)發展長期(qi)各(ge)白為政(zheng),注重(zhong)局部利益(yi),不重(zhong)視(shi)整體(ti)安全,電(dian)(dian)(dian)網(wang)管理(li)(li)水平偏低(di)、線損高(gao)、人(ren)部分電(dian)(dian)(dian)力(li)企業處于虧(kui)損狀態、投(tou)資(zi)能力(li)弱。
一(yi)(yi)方面(mian)(mian),由于印(yin)(yin)(yin)度(du)推行(xing)以私有(you)化(hua)為方向(xiang)的(de)(de)電(dian)(dian)力(li)改(gai)革,輸(shu)配(pei)電(dian)(dian)網在體(ti)(ti)制(zhi)上并(bing)非一(yi)(yi)體(ti)(ti)化(hua)運(yun)(yun)行(xing);另(ling)一(yi)(yi)方面(mian)(mian),印(yin)(yin)(yin)度(du)電(dian)(dian)網管理(li)(li)體(ti)(ti)制(zhi)為中央(yang)和(he)邦(bang)(bang)(bang)2個層次的(de)(de)分散管理(li)(li)模式,各邦(bang)(bang)(bang)政府對電(dian)(dian)力(li)改(gai)革擁(yong)有(you)較(jiao)高白(bai)(bai)主權(quan)邦(bang)(bang)(bang)電(dian)(dian)監(jian)會不受中央(yang)電(dian)(dian)監(jian)會管理(li)(li),邦(bang)(bang)(bang)電(dian)(dian)監(jian)會在邦(bang)(bang)(bang)內發(fa)(fa)、輸(shu)、配(pei)、電(dian)(dian)力(li)交易(yi)和(he)輸(shu)電(dian)(dian)定價等方面(mian)(mian)有(you)較(jiao)高的(de)(de)白(bai)(bai)主權(quan)這種(zhong)整體(ti)(ti)層面(mian)(mian)比較(jiao)分散的(de)(de)管理(li)(li)體(ti)(ti)制(zhi)與(yu)模式,在很人程度(du)上造成了印(yin)(yin)(yin)度(du)電(dian)(dian)力(li)發(fa)(fa)展很難形成統(tong)一(yi)(yi)、科(ke)學的(de)(de)規(gui)劃。加入(ru)了印(yin)(yin)(yin)度(du)電(dian)(dian)網建(jian)設與(yu)運(yun)(yun)行(xing)難度(du),也影響了印(yin)(yin)(yin)度(du)電(dian)(dian)力(li)企(qi)業運(yun)(yun)營與(yu)積(ji)極性,導(dao)致印(yin)(yin)(yin)度(du)電(dian)(dian)力(li)在整體(ti)(ti)上統(tong)籌協調發(fa)(fa)展實現困難。
5電網系統保護與設備運行的功能不健全
印度(du)(du)配電(dian)(dian)網(wang)保(bao)護(hu)體系(xi)中的(de)(de)(de)(de)“第二道防線”不健全,基(ji)于(yu)(yu)頻率(lv)(lv)(lv)變化(hua)(hua)率(lv)(lv)(lv)的(de)(de)(de)(de)減(jian)載(zai)(zai)(zai)措(cuo)施(shi)(shi)和低頻減(jian)載(zai)(zai)(zai)措(cuo)施(shi)(shi)實施(shi)(shi)不力。在“7.30”第一(yi)次北部電(dian)(dian)網(wang)崩潰前(qian),北部電(dian)(dian)網(wang)與其他電(dian)(dian)網(wang)解列運行(xing)(xing)。北部電(dian)(dian)網(wang)損(sun)失約(yue)(yue)5800MW外(wai)來電(dian)(dian),導致(zhi)頻率(lv)(lv)(lv)降低。為了改善頻率(lv)(lv)(lv),避(bi)免系(xi)統(tong)崩潰,北部電(dian)(dian)網(wang)實施(shi)(shi)了低頻減(jian)載(zai)(zai)(zai)計(ji)劃(可(ke)以減(jian)少約(yue)(yue)4000MW的(de)(de)(de)(de)負荷(he))和基(ji)于(yu)(yu)頻率(lv)(lv)(lv)變化(hua)(hua)率(lv)(lv)(lv)的(de)(de)(de)(de)減(jian)載(zai)(zai)(zai)計(ji)劃(可(ke)減(jian)少約(yue)(yue)6000MW的(de)(de)(de)(de)負荷(he))。然而,2項計(ji)劃的(de)(de)(de)(de)實施(shi)(shi)并(bing)未減(jian)少足夠的(de)(de)(de)(de)負荷(he),導致(zhi)除了Badax-p二和NAPS幾個小區域外(wai)的(de)(de)(de)(de)北部電(dian)(dian)網(wang)崩潰在“7.31”第二次電(dian)(dian)網(wang)崩潰前(qian),北部電(dian)(dian)網(wang)與其他電(dian)(dian)網(wang)首先解列運行(xing)(xing),并(bing)遭遇(yu)了與第一(yi)次停電(dian)(dian)事故(gu)類似的(de)(de)(de)(de)“第二道防線”失效的(de)(de)(de)(de)情況在緊急情況卜的(de)(de)(de)(de)低頻減(jian)載(zai)(zai)(zai)和基(ji)于(yu)(yu)頻率(lv)(lv)(lv)變化(hua)(hua)率(lv)(lv)(lv)的(de)(de)(de)(de)減(jian)載(zai)(zai)(zai)保(bao)護(hu)策略(lve)木(mu)應能維持頻率(lv)(lv)(lv)來保(bao)證系(xi)統(tong)安(an)全運行(xing)(xing),但(dan)印度(du)(du)的(de)(de)(de)(de)事故(gu)分析報告指出(chu),7月31口并(bing)沒有(you)監測(ce)到低頻減(jian)載(zai)(zai)(zai)和基(ji)于(yu)(yu)頻率(lv)(lv)(lv)變化(hua)(hua)率(lv)(lv)(lv)的(de)(de)(de)(de)減(jian)載(zai)(zai)(zai)保(bao)護(hu)計(ji)劃有(you)適當的(de)(de)(de)(de)動作。
印度(du)(du)電網的(de)各級調度(du)(du)中心缺乏(fa)電力(li)系(xi)統(tong)動態安全評估和快速狀態估計的(de)研(yan)究(jiu)機制(zhi)(zhi),無法(fa)有效制(zhi)(zhi)定補(bu)救措施計劃;在系(xi)統(tong)運行調度(du)(du)過(guo)程中一(yi)也沒有在計劃外電力(li)交換情況(kuang)(kuang)卜,對功率透支(zhi)與過(guo)度(du)(du)發(fa)電的(de)情況(kuang)(kuang)進行監(jian)管。在這2次停電事故(gu)中,均發(fa)生了在負荷逐漸損失的(de)情況(kuang)(kuang)卜距離(li)保護(hu)誤動現象(xiang),而且缺乏(fa)足夠(gou)的(de)無功補(bu)償裝置(zhi)和動態補(bu)償裝置(zhi)對故(gu)障中的(de)系(xi)統(tong)電壓提供支(zhi)撐。
6電力投資不足
電(dian)力投資(zi)(zi)(zi)不足一直是(shi)印(yin)度(du)(du)電(dian)力工業發(fa)展(zhan)的(de)核(he)心制約因素,印(yin)度(du)(du)曾試圖采取多項(xiang)措施吸引電(dian)力投資(zi)(zi)(zi),但收(shou)效甚微2003年(nian)(nian)印(yin)度(du)(du)電(dian)力法案明確鼓勵引入競爭。2005年(nian)(nian)印(yin)度(du)(du)國家電(dian)力發(fa)展(zhan)政策(ce)也提出要在(zai)輸(shu)電(dian)環節引入私(si)人投資(zi)(zi)(zi)。但在(zai)實際操作中,并未建立完(wan)善的(de)電(dian)力投資(zi)(zi)(zi)體制和(he)(he)順暢(chang)的(de)資(zi)(zi)(zi)金渠道(dao),往往由于(yu)土地糾紛和(he)(he)其他繁瑣的(de)政策(ce)障礙,導致(zhi)(zhi)基礎設施建設資(zi)(zi)(zi)金無(wu)法到位。另(ling)一方面,電(dian)價水(shui)平等諸多因素也導致(zhi)(zhi)電(dian)力行(xing)業難以吸引投資(zi)(zi)(zi)。印(yin)度(du)(du)電(dian)價機制不順,存在(zai)電(dian)價同收(shou)難、線損(sun)居高不卜等問題,印(yin)度(du)(du)電(dian)力企業普遍虧(kui)損(sun),政府(fu)補(bu)貼(tie)對電(dian)力市場運營虧(kui)損(sun)來說也是(shi)“杯(bei)水(shui)車(che)薪”,企業缺乏白主投資(zi)(zi)(zi)能力和(he)(he)積極性
印(yin)度(du)2天內連(lian)續2次發(fa)生人(ren)面積停(ting)電事(shi)(shi)故,給當地(di)經濟(ji)發(fa)展、社會穩(wen)定及國(guo)家形象帶(dai)來嚴(yan)重影響。此次印(yin)度(du)人(ren)停(ting)電事(shi)(shi)件對我國(guo)電力工業發(fa)展具有重要(yao)啟示(shi)。
電力要適度超前發展并把安全放在首位
電(dian)(dian)力(li)(li)(li)是現代經(jing)濟(ji)社會發(fa)(fa)展的基礎(chu),也(ye)是組(zu)(zu)成國(guo)(guo)民(min)經(jing)濟(ji)的重要(yao)組(zu)(zu)成部分。電(dian)(dian)力(li)(li)(li)行業(ye)的基礎(chu)性特征、工(gong)程(cheng)建(jian)設周期長、系(xi)統運行備用(yong)(yong)需(xu)求等要(yao)求電(dian)(dian)力(li)(li)(li)發(fa)(fa)展必須(xu)適度(du)(du)超前(qian)如(ru)果電(dian)(dian)力(li)(li)(li)發(fa)(fa)展滯后,就會成為制約(yue)經(jing)濟(ji)社會發(fa)(fa)展和人(ren)民(min)生活水平提高的瓶頸。印度(du)(du)電(dian)(dian)力(li)(li)(li)工(gong)業(ye)基礎(chu)設施薄弱(ruo),電(dian)(dian)力(li)(li)(li)供(gong)需(xu)矛盾突出,電(dian)(dian)網(wang)安全可靠供(gong)電(dian)(dian)水平低。近年來,印度(du)(du)電(dian)(dian)力(li)(li)(li)持續存在10%左右的電(dian)(dian)力(li)(li)(li)缺}!,而在夏季(ji)用(yong)(yong)電(dian)(dian)高峰(feng)這個比例可能超過20%如(ru)此(ci)滯后的電(dian)(dian)力(li)(li)(li)工(gong)業(ye),不(bu)僅嚴重影(ying)響了水民(min)的生活,更(geng)讓印度(du)(du)在對(dui)外招商引資、經(jing)濟(ji)發(fa)(fa)展方(fang)面都(dou)面臨多方(fang)垢病(bing),國(guo)(guo)際(ji)競爭力(li)(li)(li)也(ye)因此(ci)人(ren)打折(zhe)扣。
加強電網統籌規劃,夯實電網安全的基礎
無論美加(jia)“8.14”人停電(dian)(dian)、巴西“11.10”人停電(dian)(dian),還(huan)是(shi)木次印度(du)連續2次人停電(dian)(dian),其中一個重要(yao)原因就(jiu)是(shi)電(dian)(dian)網發展(zhan)滯后,沒有(you)形成結構堅強、運行靈活(huo)的主(zhu)網架(jia)。電(dian)(dian)力系統(tong)是(shi)由不同電(dian)(dian)壓等(deng)級設(she)(she)備(bei)緊密連接(jie)在(zai)一起(qi)的系統(tong),必(bi)須(xu)堅持統(tong)一規劃、統(tong)一建設(she)(she),從源(yuan)頭(tou)上消除隱患,提高(gao)電(dian)(dian)網建設(she)(she)安全質(zhi)量和抵(di)御(yu)白然(ran)災(zai)害的能(neng)力,滿足能(neng)源(yuan)資(zi)源(yuan)配置要(yao)求和事(shi)故情況(kuang)卜相互支援的能(neng)力。立足我(wo)國(guo)能(neng)源(yuan)逆向分(fen)布實(shi)際(ji),加(jia)快(kuai)發展(zhan)特高(gao)壓跨區輸電(dian)(dian),構建“強交強直”的全國(guo)特高(gao)壓堅強骨干網架(jia),是(shi)保障我(wo)國(guo)電(dian)(dian)力供應安全的必(bi)備(bei)物(wu)質(zhi)基礎。
堅持電力系統安全穩定“三道防線”
印(yin)度(du)(du)電(dian)力(li)公司縮減電(dian)網(wang)(wang)維護成(cheng)木,在(zai)電(dian)網(wang)(wang)超負荷運行(xing)、頻率卜(bu)降時,技術上沒(mei)有相應的(de)“第三道(dao)(dao)防(fang)線(xian)”,最終拖垮(kua)整個(ge)電(dian)網(wang)(wang)。而(er)在(zai)美國(guo)等一些(xie)國(guo)家也存在(zai)類似(si)我國(guo)的(de)電(dian)力(li)安全(quan)(quan)(quan)穩定(ding)“三道(dao)(dao)防(fang)線(xian)”,但因制(zhi)度(du)(du)體(ti)制(zhi)等問題,讓“三道(dao)(dao)防(fang)線(xian)”運行(xing)失(shi)靈。隨著我國(guo)人容量交/直(zhi)流輸電(dian)工程、人規模間歇式電(dian)源的(de)投運,交直(zhi)流系(xi)統(tong)拙(zhuo)合關系(xi)增強(qiang),系(xi)統(tong)運行(xing)方式多變,容易發生多重擾動/故(gu)障(zhang),對人電(dian)網(wang)(wang)安全(quan)(quan)(quan)運行(xing)提出了更(geng)高(gao)的(de)要(yao)(yao)求(qiu)需要(yao)(yao)進一步(bu)加強(qiang)“三道(dao)(dao)防(fang)線(xian)”建設(she),落(luo)實《電(dian)力(li)系(xi)統(tong)安全(quan)(quan)(quan)穩定(ding)導則》要(yao)(yao)求(qiu),深入開(kai)展系(xi)統(tong)安全(quan)(quan)(quan)穩定(ding)分析和校核,健(jian)全(quan)(quan)(quan)安全(quan)(quan)(quan)管(guan)理(li)制(zhi)度(du)(du),提高(gao)運行(xing)維護水(shui)平、人員(yuan)素質,加強(qiang)安全(quan)(quan)(quan)基礎管(guan)理(li)和細節控制(zhi),以(yi)“嚴、細、實”的(de)作風保障(zhang)電(dian)網(wang)(wang)安全(quan)(quan)(quan)
加強對電網骨干網架安全保障理論的研究
各國電(dian)網(wang)(wang)(wang)在(zai)向(xiang)其目標網(wang)(wang)(wang)架(jia)發(fa)展(zhan)的(de)(de)(de)過(guo)(guo)渡過(guo)(guo)程(cheng)(cheng)中(zhong),都(dou)存在(zai)薄(bo)弱(ruo)環節和(he)安(an)(an)(an)全(quan)(quan)(quan)風(feng)險,忽視這(zhe)些環節和(he)對相應(ying)風(feng)險的(de)(de)(de)管(guan)控將加(jia)入電(dian)網(wang)(wang)(wang)發(fa)生類似于(yu)印度人(ren)(ren)(ren)停(ting)電(dian)事故的(de)(de)(de)可能(neng)性。為(wei)在(zai)電(dian)網(wang)(wang)(wang)發(fa)展(zhan)的(de)(de)(de)過(guo)(guo)渡過(guo)(guo)程(cheng)(cheng)中(zhong)避免發(fa)生人(ren)(ren)(ren)面積停(ting)電(dian)事故,必須(xu)樹立(li)立(li)足(zu)于(yu)發(fa)展(zhan)的(de)(de)(de)、科(ke)學(xue)的(de)(de)(de)電(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)觀,結合人(ren)(ren)(ren)電(dian)網(wang)(wang)(wang)及其安(an)(an)(an)全(quan)(quan)(quan)運行控制(zhi)的(de)(de)(de)技(ji)術發(fa)展(zhan)趨勢,進一步加(jia)強(qiang)對電(dian)網(wang)(wang)(wang)骨(gu)干網(wang)(wang)(wang)架(jia)安(an)(an)(an)全(quan)(quan)(quan)保障理(li)論的(de)(de)(de)研究(jiu)與技(ji)術措(cuo)施(shi)的(de)(de)(de)管(guan)理(li),提(ti)(ti)高人(ren)(ren)(ren)電(dian)網(wang)(wang)(wang)監(jian)測、預警和(he)控制(zhi)能(neng)力,構建時空(kong)協調綜合防御(yu)系統,提(ti)(ti)高技(ji)術保障電(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)的(de)(de)(de)能(neng)力,保證(zheng)系統的(de)(de)(de)長(chang)期安(an)(an)(an)全(quan)(quan)(quan)穩定運行。深化人(ren)(ren)(ren)電(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)風(feng)險管(guan)理(li),實現安(an)(an)(an)全(quan)(quan)(quan)風(feng)險的(de)(de)(de)超前分(fen)析和(he)流(liu)程(cheng)(cheng)化控制(zhi);開展(zhan)周期性輸電(dian)網(wang)(wang)(wang)、城市電(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)性評價,滾動排查電(dian)網(wang)(wang)(wang)薄(bo)弱(ruo)環節和(he)設備重人(ren)(ren)(ren)隱患;加(jia)強(qiang)資產全(quan)(quan)(quan)壽命周期管(guan)理(li)和(he)人(ren)(ren)(ren)電(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)監(jian)督管(guan)理(li);完(wan)善人(ren)(ren)(ren)電(dian)網(wang)(wang)(wang)應(ying)急(ji)處置機(ji)制(zhi)等手段和(he)措(cuo)施(shi)全(quan)(quan)(quan)過(guo)(guo)程(cheng)(cheng)動態(tai)防范電(dian)網(wang)(wang)(wang)事故風(feng)險。
強化各級電網和調度的一體化運行機制
分析國際上(shang)這(zhe)些人(ren)(ren)(ren)(ren)面(mian)積停(ting)電(dian)事(shi)故(gu)的(de)(de)(de)直接原(yuan)(yuan)因(yin),人(ren)(ren)(ren)(ren)都是(shi)(shi)因(yin)為(wei)管理(li)(li)體(ti)制(zhi)混亂、利益主體(ti)多元、調(diao)度(du)(du)(du)指令(ling)失靈,電(dian)網(wang)(wang)事(shi)故(gu)得(de)不到及(ji)時控制(zhi),最(zui)終發展(zhan)成(cheng)為(wei)人(ren)(ren)(ren)(ren)面(mian)積停(ting)電(dian)。這(zhe)次(ci)印(yin)度(du)(du)(du)人(ren)(ren)(ren)(ren)停(ting)電(dian)的(de)(de)(de)原(yuan)(yuan)因(yin),再一(yi)(yi)次(ci)說明(ming)缺乏(fa)統一(yi)(yi)的(de)(de)(de)調(diao)度(du)(du)(du)管理(li)(li)體(ti)制(zhi)和(he)嚴格的(de)(de)(de)調(diao)度(du)(du)(du)紀律(lv),人(ren)(ren)(ren)(ren)電(dian)網(wang)(wang)安(an)全無法得(de)到保障。長期以來(lai),我國電(dian)網(wang)(wang)實施電(dian)網(wang)(wang)調(diao)度(du)(du)(du)一(yi)(yi)體(ti)化運行機制(zhi),實現了統一(yi)(yi)高效的(de)(de)(de)調(diao)度(du)(du)(du)管理(li)(li)和(he)電(dian)力系(xi)統協調(diao)運行,有效降低了重(zhong)人(ren)(ren)(ren)(ren)電(dian)網(wang)(wang)事(shi)故(gu)風險,沒有發生電(dian)網(wang)(wang)崩潰(kui)和(he)人(ren)(ren)(ren)(ren)面(mian)積停(ting)電(dian)等重(zhong)人(ren)(ren)(ren)(ren)及(ji)以上(shang)的(de)(de)(de)電(dian)網(wang)(wang)事(shi)故(gu)特(te)別是(shi)(shi)近年來(lai),在連續遭受歷史罕見的(de)(de)(de)嚴重(zhong)冰災、特(te)人(ren)(ren)(ren)(ren)地(di)震及(ji)重(zhong)人(ren)(ren)(ren)(ren)洪(hong)水、臺(tai)風、泥石流等白然災害的(de)(de)(de)情況卜,我國電(dian)網(wang)(wang)調(diao)度(du)(du)(du)管理(li)(li)體(ti)制(zhi)為(wei)確保人(ren)(ren)(ren)(ren)電(dian)網(wang)(wang)的(de)(de)(de)安(an)全和(he)可靠(kao)供電(dian)發揮(hui)了重(zhong)要(yao)作用
當前我國(guo)經濟(ji)發(fa)(fa)展和負荷需求增(zeng)長較快,結構(gou)性和季節性電(dian)(dian)力(li)(li)緊張時(shi)有發(fa)(fa)生,新(xin)能(neng)(neng)源發(fa)(fa)電(dian)(dian)迅猛發(fa)(fa)展、并(bing)網規模口(kou)益(yi)增(zeng)人(ren),電(dian)(dian)力(li)(li)系統(tong)(tong)(tong)的(de)結構(gou)口(kou)趨復雜(za),未來供(gong)電(dian)(dian)安全(quan)穩定問題(ti)將(jiang)更加突出。為(wei)此,我國(guo)應積極從印度(du)(du)(du)人(ren)停電(dian)(dian)事故中汲取經驗教訓。在人(ren)力(li)(li)增(zeng)強電(dian)(dian)力(li)(li)系統(tong)(tong)(tong)安全(quan)的(de)物理網絡支(zhi)撐的(de)同時(shi),要堅持各級電(dian)(dian)網和調度(du)(du)(du)的(de)一體化運行機(ji)制,充分發(fa)(fa)揮(hui)電(dian)(dian)網統(tong)(tong)(tong)一管理和運行的(de)優(you)勢,最(zui)人(ren)限度(du)(du)(du)地提升電(dian)(dian)網調度(du)(du)(du)安全(quan)保(bao)障(zhang)能(neng)(neng)力(li)(li),為(wei)我國(guo)經濟(ji)社會快速發(fa)(fa)展提供(gong)安全(quan)、可靠、優(you)質、高(gao)效的(de)電(dian)(dian)力(li)(li)供(gong)應。