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“十三五”四川首条水电 外送通道建成投运

2017-06-27 15:19:40   经济参考报

原标题:“十三五”四川首条水电 外送通道建成投运

6月26日,“十三五”期间四川首条水电外送通道——川渝电网第三条通道正式建成投运。该通道将新增川电外送能力200万千瓦,未来三条通道组成的川渝断面输电能力将超过500万千瓦。

业内人士认为,川渝电网第三条通道的建成投运,可以在一定程度上缓解四川“弃水窝电”压力,满足重庆供电需求,消除川渝电力交换“卡脖子”状况,促进西南地区清洁能源大范围优化配置。

据了解,四川省面临连年水电消纳难的问题。“十二五”以来,四川清洁能源开发不断提速。从2012年开始,弃水问题日益凸显,2016年四川电网水电弃水电量达到了141亿千瓦时。与此同时,随着川内水电装机量逐年增长,预计2020年四川电网水电装机量达到8576.3万千瓦,丰水期电力盈余将达到1560万千瓦。

紧邻四川的重庆市负荷逐年增长,在运的洪沟-板桥、黄岩-万县两条500千伏川渝联络主动脉送入的电能已无法满足重庆电网供电需求,重庆人民渴望享有更多来自四川的清洁能源,盼望着川电入渝第三条“电力高速”早日建成。

川渝电网第三通道起于四川省资阳市雁江区,止于重庆市铜梁区,总投资11亿元,于2016年9月核准,10月开工建设。新通道每年将增送四川水电70亿千瓦时,可为重庆节约燃煤300万吨,减少二氧化碳、二氧化硫、氮氧化物和粉尘等排放物超过230万吨。

据了解,川渝第三通道全长327.5千米,其中四川段架设线路240.6千米,占据总工程量的70%,沿途跨越输电线路500千伏1次、220千伏5次、110千伏5次,高速公路4次、铁路2次、通航河流2次,涉及遂资眉高速、成安渝高速、成渝铁路、沱江等多处高风险大型跨越。工程启动以来,受到四川省、市、区各级政府高度重视。从工程建设开始,国网四川省电力公司董事长石玉东亲自挂帅,基建、发策、运检、调度各专业协同配合,层层把控工程安全、进度、质量关,并将特高压、川藏联网等国家级优质工程参建经验引入川渝三通道建设,以最顶尖、最完备的施工资源配置和最精细的管控模式,精心铸造了川渝三通道工程。

(责编:孔海丽、伍振国)

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