投资超156亿元跨省三项网间电力互济工程获批建设|双腿张开被9个黑人调教影片
中新网广州11月18日电 (王华 蓝旺)中国南方电网公司18日消息,湘黔、湘粤、渝黔三项网间电力灵活互济工程通过国家核准建设,这三项工程总投资预计超156亿元人民币,建成后,中国两大电网公司——南方电网和国家电网间的输电通道将从当前2条增至5条,跨省跨区电力互济能力显著增强。
据了解,工程计划今年年底前开工建设、2027年迎峰度夏前建成投产,最大输电能力共计可达900万千瓦。
当前,南方电网和国家电网之间有两条电力输送通道,分别是从三峡送广东的江城直流和闽粤联网互送的云霄直流。根据核准批复,湘黔、湘粤、渝黔电力灵活互济工程分别计划在贵州铜仁、湖南郴州、重庆各自建设一座容量300万千瓦的柔性直流背靠背换流站,并开展相关配套线路工程建设,推动跨电网经营区互联互通水平进一步提升。
中国南方电网公司战略规划部有关负责人表示,工程投产后,将显著提升两个互联区域间的电力互补互济和紧急支援能力,为跨电网经营区常态化电力交易提供更坚实的物理基础。
以贵州和湖南为例,夏季是湖南的电力负荷高峰期,而贵州的电力负荷呈现“冬高夏低”的特点,二者存在较强的时空互补特性,可通过湘黔工程实现错峰互济,增强电力保供和新能源消纳能力。此外,若湖南出现极端高温干旱、极端低温冰冻灾害或贵州出现极端低温冰冻灾害,可通过湘黔工程从对侧获得紧急电力支援,大幅度提高电网抗灾应急能力。(完)
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