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一、工程概况葛洲坝至上海直流输电线路工程(简称葛上工程)是我国第一个正负500千伏高压直流工程,是我国目前规模最大,投资最多,技术最新的一项电力输电工程。该线路从湖北宜昌市宋家坝换流站出线,途经湖北、安徽、浙江、江苏,上海五省(市)的35个县,一越汉水、两跨长江,到上海市奉贤县南桥换流站落点,全长1070公里。这项工程由中南、华东电力设计院设计,超高压输变电建设公司组织施工的。
I. Project Overview The Gezhouba-Shanghai DC transmission line project (abbreviated as Geshang project) is China’s first positive and negative 500 kV high-voltage direct current (HVDC) project, and it is the largest electric power transmission project with the largest investment, the most advanced technology in China. The line exits from the Songjiaba converter station in Yichang City, Hubei Province, passes through Hubei, Anhui, Zhejiang, Jiangsu, and 35 counties in five provinces (cities) of Shanghai. It crosses the Hanshui River and crosses the Yangtze River to the south bridge of Fengxian County, Shanghai. The station of the converter station has a total length of 1070 kilometers. This project was designed by the Central and South China Electric Power Design Institute and organized by the EHV Transmission and Transformation Construction Company.