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世界在建最大水电站白鹤滩主体工程全面建设

2017-08-04 05:34:06   中国青年网

本报北京8月3日电(记者温源) 历时10多年的科研、勘测、设计,由中国三峡集团投资建设的全球在建装机规模最大水电站——白鹤滩水电站主体工程3日全面开工建设。这是继金沙江溪洛渡、向家坝水电站建成投产和乌东德水电站核准建设以来,中国乃至世界水电史上又一具有里程碑意义的重大事件。

白鹤滩水电站坝址位于四川省宁南县和云南省巧家县境内的金沙江干流下游河段上,是国务院已批复的《长江流域综合规划(2012—2030年)》中的一级水电站,是三峡集团开发建设的金沙江下游4个水电梯级中的第二个梯级,加上三峡工程、葛洲坝工程,将建立起世界上最大的“清洁能源走廊”。工程开发目标以发电为主,兼顾防洪、航运、拦沙,并促进地方经济社会发展。

白鹤滩水电站总装机规模达1600万千瓦,建成后多年平均发电量624.43亿千瓦时,相当于北京市2015年全年用电量的三分之二。水库具有年调节能力,控制流域面积43.03万平方千米,占金沙江流域面积的91%。根据施工总体规划,白鹤滩水电站将于2021年5月开始蓄水,2022年年底投产,届时将成为“西电东送”的骨干电源点。

白鹤滩水电站是当今世界在建的综合技术难度最大的水电工程,其在建装机容量、抗震参数、地下洞室群规模等均居全球第一。特别是电站将首次全部采用国产的百万千瓦级水轮发电机组,这是我国重大水电装备又一次历史性飞跃。建成投产后,每年可节约标准煤约1968万吨,减少排放二氧化碳5160万吨,能有效改善我国能源结构,节能减排效益显著。

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