NASA征集延长哈勃空间望远镜使用寿命的方案

yun2025

NASA征集延长哈勃空间望远镜使用寿命的方案

西藏阿里光热电站首台机组并网，熔盐系统可储热14小时

中广核阿里光储热电示范项目11月6日完成首台光热汽轮发电机组并网。项目位于西藏噶尔县狮泉河镇，平均海拔约4300米，光伏与光热总装机15万千瓦，总投资约24亿元。此前已全容量并网的是10万千瓦光伏部分。此次进展对应另外5万千瓦光热电站中的一台2.5万千瓦机组，第二台计划年内并网。

这座电站利用白天的光伏电力为熔盐加热，将能量以热的形式暂存，再经蒸汽发生系统驱动汽轮机，设计储热时长为14小时。它还能用于城市供暖，并具备电网并网与离网两种运行方式。设备配置包括容量20.5万千瓦的熔盐电加热器和异步互联储能装置。加热器容量、发电机装机与储热时长分别描述系统不同环节，不能互相替代。光热部分于2024年7月开工，这次接入电网的是一号机组。白天存下的热量可用于光伏出力较低时段的供电与供热。

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