文章來源:國家電網公司 發(fa)布時間(jian):2009-07-15
隨著出梅后(hou)炎熱天(tian)氣的到來,江蘇(su)電(dian)網用(yong)電(dian)負(fu)荷(he)節節攀升。7月7日(ri),江蘇(su)全省(sheng)高峰用(yong)電(dian)負(fu)荷(he)達4727萬(wan)千(qian)瓦,高出去(qu)年(nian)最高負(fu)荷(he)165萬(wan)千(qian)瓦。7月8日(ri),全省(sheng)統(tong)調(diao)日(ri)用(yong)電(dian)量(liang)首(shou)次(ci)突(tu)破(po)10億千(qian)瓦時(shi)(shi),達10.067億千(qian)瓦時(shi)(shi),超過(guo)去(qu)年(nian)最高日(ri)用(yong)電(dian)量(liang)0.5億千(qian)瓦時(shi)(shi)。
7月8日,江(jiang)(jiang)蘇(su)省(sheng)(sheng)委副(fu)書記、省(sheng)(sheng)長羅志軍在(zai)江(jiang)(jiang)蘇(su)省(sheng)(sheng)電(dian)力公司(si)檢查(cha)迎(ying)峰(feng)度夏(xia)工(gong)作(zuo)時給予了高度評(ping)價(jia)。他說(shuo),面對電(dian)網發展新形勢和新任(ren)務,江(jiang)(jiang)蘇(su)公司(si)預案在(zai)手、責(ze)任(ren)在(zai)心,千(qian)方百計滿足了全省(sheng)(sheng)經濟社會發展用(yong)電(dian)需求(qiu)。
目前(qian),江(jiang)蘇電(dian)網統(tong)調發(fa)電(dian)裝機容量(liang)為5280萬千瓦,最(zui)大可(ke)調出力(li)與(yu)今(jin)年(nian)預計(ji)最(zui)高負荷總(zong)體上保(bao)持平衡(heng)。由于(yu)受電(dian)煤、燃(ran)氣供應不足等因素影(ying)響,南(nan)(nan)京長江(jiang)以南(nan)(nan)、鎮江(jiang)西部以及(ji)蘇南(nan)(nan)蘇北部分(fen)地區的供電(dian)能力(li)相對(dui)不足。面(mian)對(dui)嚴峻(jun)形勢,江(jiang)蘇公司去(qu)年(nian)下半年(nian)開工建設了20余項(xiang)迎峰(feng)度(du)夏(xia)重點建設改造工程,并于(yu)今(jin)夏(xia)用電(dian)高峰(feng)前(qian)分(fen)別(bie)投運(yun),確保(bao)電(dian)網供應能力(li)適(shi)度(du)超(chao)前(qian)。
受蘇(su)南(nan)(nan)重工(gong)企業北遷(qian)的影響,今年江(jiang)(jiang)蘇(su)電(dian)(dian)(dian)網用(yong)電(dian)(dian)(dian)負(fu)荷增長情況與(yu)以(yi)往相(xiang)比有所不同,目前除了(le)南(nan)(nan)京、連(lian)云(yun)港,其余11個市的用(yong)電(dian)(dian)(dian)最高負(fu)荷全(quan)(quan)部(bu)刷新(xin)歷(li)史記錄。江(jiang)(jiang)蘇(su)公司及早(zao)部(bu)署,制(zhi)定了(le)完(wan)善蘇(su)北電(dian)(dian)(dian)網布局的迎峰度夏工(gong)程。隨著(zhu)220千伏(fu)(fu)鹽連(lian)變電(dian)(dian)(dian)站(zhan)新(xin)建、220千伏(fu)(fu)富強變電(dian)(dian)(dian)站(zhan)擴建等(deng)工(gong)程的相(xiang)繼投運(yun),有效彌(mi)補了(le)蘇(su)北地區(qu)供電(dian)(dian)(dian)薄(bo)弱環節,全(quan)(quan)省(sheng)電(dian)(dian)(dian)網結構得(de)到進一(yi)步完(wan)善。據統(tong)計,江(jiang)(jiang)蘇(su)今年迎峰度夏110千伏(fu)(fu)以(yi)上工(gong)程新(xin)增輸變電(dian)(dian)(dian)線路2811千米,新(xin)增變電(dian)(dian)(dian)容(rong)量1038萬(wan)千伏(fu)(fu)安(an)。
據分析,江蘇電(dian)網夏季(ji)高(gao)峰用(yong)電(dian)負荷迅猛增長(chang)的原因(yin)之一是農(nong)村(cun)(cun)(cun)用(yong)電(dian)有了明顯提(ti)高(gao)。為了滿足農(nong)村(cun)(cun)(cun)用(yong)電(dian)需求,江蘇公(gong)司2007年完(wan)成新農(nong)村(cun)(cun)(cun)電(dian)氣化建設專項資金11.9億元,共改(gai)造10千(qian)伏線(xian)(xian)(xian)路1853千(qian)米,更新改(gai)造配變5390臺,改(gai)造低壓線(xian)(xian)(xian)路5443千(qian)米。如(ru)今,江蘇農(nong)村(cun)(cun)(cun)接(jie)戶線(xian)(xian)(xian)材質、直(zhi)徑,以(yi)及電(dian)表容量都(dou)與(yu)城市同等標準,農(nong)村(cun)(cun)(cun)客戶用(yong)電(dian)基(ji)本沒有后顧之憂。