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首页> 外文期刊>Transmission & Distribution World: The Information Leader Serving the Worldwide Power-Delivery Industry >Gas-Insulated Lines Deliver the Power: Seven 550-kV gas-insulated lines bring power out of China's Xiluodu hydropower station
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Gas-Insulated Lines Deliver the Power: Seven 550-kV gas-insulated lines bring power out of China's Xiluodu hydropower station

机译：气体绝缘线提供电力：七条550 kV气体绝缘线将电力带到中国溪洛渡水电站

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In 2014, China Three Gorges Corp. completed construction of the Xiluodu hydropower station on the main stream of the Jinsha River. In total, seven 550-kV gas-insulated line (GIL) circuits were installed on the two banks of the dam, making it the largest GIL installation in the world. Located on the border of Leibo County, Sichuan Province, and Yongshan County, Yunnan Province, this hydropower station is equipped with 18 770-MW turbine generator units. Two generation halls are in parallel with the transformer chambers and the tunnels. The tunnels with the 550-kV GILs are positioned immediately above the main transformer chambers. The 550-kV tunnels pass the vertical shafts constructed to accommodate the GILs en route to ground level. These shafts measure 475 m (1558 ft) on the left bank and 480 m (1574 ft) on the right bank of the Xiluodu Dam. GILs were selected after full consideration of the excessive length and complexity of the power circuit route, namely the vertical shafts and tunnels as well as the high current-carrying capacity required.
机译：2014年，中国三峡公司完成了金沙江干流溪洛渡水电站的建设。大坝两岸总共安装了七个550 kV气体绝缘线路（GIL）电路，使其成为世界上最大的GIL装置。该水电站位于四川省雷波县和云南省永山县的边界，配备了18台770兆瓦的涡轮发电机组。两个发电大厅与变压器室和隧道平行。带有550 kV GIL的隧道位于主变压器室的正上方。 550 kV隧道通过竖井，竖井的构造可容纳地面上的GIL。这些竖井在溪洛渡水坝左岸长475 m（1558 ft），在右岸长480 m（1574 ft）。在充分考虑了动力回路路线的长度和复杂性（即垂直竖井和隧道以及所需的高载流量）之后，才选择了GIL。

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