Bid winner: ±800kV DC reactor

Bid converter station: Longmen station, Liubei station

Year of operation: 2020

The project is located in Kunbei Converter Station, Luquan County, Kunming City, Yunnan Province, and Liucheng County, Liuzhou City, Liubei Converter Station, Guangxi Province, and Longmen County, Huizhou City, Guangdong Province。The total length of Wudongde DC line is 1489km, and the altitude along the line is 100m ~ 3058m。其中，The line from Kunbei to Liubei is 932km long，Through Yunnan, Guizhou, Guangxi 3 provinces (autonomous region)，Yunnan covers about 251km，Guizhou covers about 290km，About 391km in Guangxi (West section);The length of the Liubi to Longmen section is 557km，Through Guangxi, Guangdong 2 provinces，Guangxi (east section) about 271km，The territory of Guangdong is about 286km。，The contents of the project are: (1) to build a new Yunnan converter station and the corresponding grounding pole and grounding pole line;(2) The new Guangxi receiver converter station and the corresponding grounding electrode line;(3) The new Guangdong receiving converter station and the corresponding grounding pole and grounding pole line;(4) A new DC line (about 1489km) from Yunnan to Guangdong via Guangxi;(5) New Liubei converter station AC PI connection line。The project construction unit is ultra-high voltage transmission Company of China Southern Power Grid Co., LTD. The construction nature is new。The route involves four provincial (district) level administrative regions in Yunnan, Guizhou, Guangxi Zhuang Autonomous Region and Guangdong Province, 16 prefecture-level city administrative regions and 40 county-level administrative regions。The construction contents of the project in Yunnan Province are: (1)±800kV converter station and supporting grounding electrode and grounding electrode line;(2)±800kV DC line about 251km;The construction site of the project involves Luquan County, Xundian County and Dongchuan District of Kunming City，Qujing City, Huize County, Zhanyi District, Fuyuan County and other 6 districts and counties。