文章來源:國家電網公司 發布時間(jian):2011-11-18
11月11日(ri)(ri)(ri),西北電網外(wai)送(song)電量達到1.051億千(qian)(qian)瓦時,單(dan)日(ri)(ri)(ri)外(wai)送(song)電量首次突破1億千(qian)(qian)瓦時大關,外(wai)送(song)最大負(fu)(fu)荷(he)達511萬(wan)千(qian)(qian)瓦,占目(mu)前西北外(wai)送(song)總容量的83.63%,日(ri)(ri)(ri)外(wai)送(song)電量和外(wai)送(song)負(fu)(fu)荷(he)均(jun)創歷史(shi)新高。
隨著(zhu)寧東—山(shan)東±660千伏直(zhi)流輸電(dian)示(shi)范工程順利投入試運(yun)行,西北(bei)電(dian)網(wang)(wang)外(wai)(wai)送最大(da)容量達到611萬(wan)千瓦,西北(bei)外(wai)(wai)向型(xing)、送出(chu)型(xing)、規模(mo)型(xing)堅(jian)強(qiang)送端電(dian)網(wang)(wang)已初(chu)具規模(mo),實現西北(bei)—華(hua)北(bei)、西北(bei)—華(hua)中聯(lian)網(wang)(wang),將黃河上(shang)游水電(dian)、煤電(dian)基地(di)火電(dian)打捆送往四(si)川(chuan)、山(shan)東,有力推進(jin)西北(bei)能(neng)源(yuan)資源(yuan)在更(geng)大(da)范圍內優(you)化配置,為緩解(jie)冬季(ji)華(hua)中、華(hua)北(bei)電(dian)網(wang)(wang)缺電(dian)局(ju)面(mian)提供了(le)強(qiang)大(da)的(de)電(dian)力支撐。
為應(ying)對外送負(fu)荷(he)和(he)網內用電負(fu)荷(he)高峰的到來,確保(bao)迎(ying)峰度冬和(he)大負(fu)荷(he)外送期(qi)間電網安全(quan)穩定運行,西(xi)(xi)北電網有限公(gong)司加快全(quan)網檢(jian)修和(he)設(she)備投(tou)產速度,目前已實現750千伏統(tong)一電網覆蓋西(xi)(xi)北五省(區),強化了西(xi)(xi)北送端(duan)網架結構(gou)。
西(xi)北(bei)公司還指導(dao)主要火(huo)(huo)電(dian)(dian)發(fa)(fa)電(dian)(dian)企(qi)業簽(qian)訂了(le)年利用5000小時以(yi)上的中長期合同,以(yi)黃(huang)河富余水電(dian)(dian)進行短期調(diao)節,充分發(fa)(fa)揮(hui)“電(dian)(dian)量(liang)庫”交易機(ji)(ji)制,提(ti)前(qian)做(zuo)好(hao)外送電(dian)(dian)力(li)(li)電(dian)(dian)量(liang)組織工(gong)作。同時,密切關注(zhu)天氣變化(hua),提(ti)高負(fu)荷預(yu)測的準確性,合理(li)安排機(ji)(ji)組開機(ji)(ji)方式,加大(da)電(dian)(dian)煤儲運工(gong)作力(li)(li)度,提(ti)前(qian)落(luo)實全網發(fa)(fa)用電(dian)(dian)平衡。此外,西(xi)北(bei)公司還將440萬千(qian)瓦火(huo)(huo)電(dian)(dian)裝機(ji)(ji)列(lie)入外送裝機(ji)(ji)序列(lie),協調(diao)西(xi)北(bei)區域內主要水、火(huo)(huo)電(dian)(dian)廠留足備(bei)用容量(liang),提(ti)前(qian)做(zuo)好(hao)電(dian)(dian)力(li)(li)電(dian)(dian)量(liang)平衡工(gong)作。