文章來(lai)源：中(zhong)國南方電網(wang)有限責任(ren)公司 發布時間：2010-09-10
近期，受經濟回暖以及持續高溫天氣等因素影響，南方地區用電需求不斷增長，電網負荷節節攀升。9月8日，南方電網統調負荷今年第8次創歷史新高，達9560萬千瓦，比去年最高負荷增長7.9%。同日，廣西電網統調負荷第14次創新高，達1169萬千瓦，比去年最高負荷增長16.2%；貴州電網統調負荷第8次創新高，達1139萬千瓦，比去年最高負荷增長8.9%。
日(ri)前，南方(fang)電(dian)(dian)(dian)(dian)網(wang)(wang)公司正按照2009年迎峰度(du)(du)夏調(diao)(diao)度(du)(du)運行(xing)方(fang)案全(quan)(quan)(quan)力(li)做好保(bao)供電(dian)(dian)(dian)(dian)各項工(gong)作。加(jia)強發電(dian)(dian)(dian)(dian)側(ce)和需求側(ce)管理，快速(su)靈(ling)活調(diao)(diao)度(du)(du)，確保(bao)了(le)電(dian)(dian)(dian)(dian)網(wang)(wang)安(an)全(quan)(quan)(quan)“可控(kong)、在控(kong)”，在負(fu)荷連續攀升(sheng)之際保(bao)障了(le)電(dian)(dian)(dian)(dian)力(li)有序(xu)供應。截至9月8日(ri)，主(zhu)網(wang)(wang)未發生穩定破壞、大(da)面積(ji)停電(dian)(dian)(dian)(dian)事(shi)故及功率(lv)(lv)(lv)振蕩事(shi)件，主(zhu)要運行(xing)指(zhi)標保(bao)持較好水平，全(quan)(quan)(quan)網(wang)(wang)500千伏(fu)平均(jun)電(dian)(dian)(dian)(dian)壓合格率(lv)(lv)(lv)同(tong)(tong)比(bi)(bi)提高(gao)0.0414個百分點，±0.1Hz頻率(lv)(lv)(lv)越限(xian)時(shi)(shi)間同(tong)(tong)比(bi)(bi)大(da)幅減少1034秒，220千伏(fu)及以上系統(tong)故障快速(su)切除率(lv)(lv)(lv)100%。全(quan)(quan)(quan)網(wang)(wang)統(tong)調(diao)(diao)發受(shou)電(dian)(dian)(dian)(dian)量(liang)3767億千瓦(wa)時(shi)(shi)，同(tong)(tong)比(bi)(bi)增長(chang)2.1%，單月同(tong)(tong)比(bi)(bi)由1月份(fen)的-16.6%提高(gao)到8月份(fen)的12.8%，呈逐步回升(sheng)態勢；水電(dian)(dian)(dian)(dian)優化調(diao)(diao)度(du)(du)成(cheng)效顯(xian)著(zhu)，全(quan)(quan)(quan)網(wang)(wang)水電(dian)(dian)(dian)(dian)發電(dian)(dian)(dian)(dian)量(liang)1031億千瓦(wa)時(shi)(shi)，同(tong)(tong)比(bi)(bi)增長(chang)17.2%；西(xi)電(dian)(dian)(dian)(dian)送(song)廣東(dong)電(dian)(dian)(dian)(dian)量(liang)743億千瓦(wa)時(shi)(shi)，同(tong)(tong)比(bi)(bi)增長(chang)27.2%。