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“特高压入鲁”再开大通道

2017-08-18 08:21:51   中国青年网

□通讯员 侯婷 崔浩杰 记者 张思凯 报道

本报济南讯 8月14日11时,榆横—潍坊1000千伏特高压交流输变电工程顺利完成72小时试运行,正式投运。这是迄今为止建设规模最大、输电距离最长的特高压交流工程,也是第二条建成投运的“特高压入鲁”大通道。这也标志着列入国家大气污染防治行动计划重点输电通道的“四交”特高压工程建设任务全部圆满完成。

榆横—潍坊特高压工程西部连接陕西、山西煤电基地,东部连接扎鲁特—青州特高压直流工程和锡盟—山东特高压交流工程,是华北特高压网架的重要组成部分。该工程途经陕西、山西、河北、山东四省,新建晋中、石家庄、昌乐变电站和榆横开关站,扩建泉城变电站,新增变电容量1500万千伏安;线路全长2×1050千米,两次跨越黄河;工程核准动态总投资241.8亿元。榆横—潍坊工程是继锡盟—山东特高压交流工程之后,山东境内开建、投运的第二条特高压工程,在山东境内途经德州、济南、滨州、淄博、莱芜、潍坊6市17县(区),全长379.7千米。1000千伏昌乐站两期合建,总投运容量3×300万千伏安,是目前全国一次性投运容量最大的变电站。

山东省水能、天然气等可供利用的清洁能源资源匮乏,能源消费过度依赖煤炭,带来了严重的环境问题,加快推进“特高压入鲁”尤为迫切。山东电网2016年迈入特高压运行新时代,目前通过1000千伏锡盟至山东、榆横至潍坊交流、银川东至青岛±660千伏直流和500千伏辛聊双线、黄滨双线,与西北、华北电网联网;潍坊一站一线交流、上海庙至山东±800千伏直流等“两交三直”特高压工程同时在建,2017年底全面投运后山东接纳省外来电能力可达2000万千瓦。

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