Group 1 - The Zang-Guangdong DC project is the world's strongest and most advanced flexible DC transmission project, with a total investment of 53.2 billion yuan [1] - The project will span approximately 2,681 kilometers, crossing Tibet, Yunnan, Guangxi, and Guangdong, and will utilize domestically developed ultra-high voltage flexible DC transmission technology with a rated voltage of ±800 kV and a capacity of 10 million kW [1] - The project aims to deliver clean energy from Tibet to Guangdong, addressing challenges related to high altitude, long distance, and large capacity transmission [1][2] Group 2 - The Zang-Guangdong DC project is expected to be fully operational by 2029, capable of transmitting over 43 billion kWh of electricity annually to the Guangdong-Hong Kong-Macao Greater Bay Area, which is about half of the annual output of the Three Gorges Dam [2] - The project will tackle technical challenges in weak grid areas and high-altitude regions, promoting innovation in the entire ultra-high voltage flexible DC transmission industry chain [2] - Companies involved in the industry chain, including XJ Electric and Guangzhou Baiyun Electric, are focusing on technological breakthroughs and enhancing their product offerings in flexible DC transmission [3]

当云南的风掠过山脊，当峡谷的光穿透云层，昆柳龙直流工程将西部源源不断的能量跨 越1452公里山河湖海，送入粤港澳大湾区的繁华都市。今年，世界首个±800千伏特高压多 端柔性直流输电工程——昆柳龙直流工程，迎来安全运行五周年的重要节点。作为中国电力 工业发展史上的重要里程碑，昆柳龙工程在世界上首次采用特高压柔性直流输电技术，引领 全球输电技术进入特高压柔性直流时代。 柔性直流技术具备独特的"应急救场"能力，依托有功无功协同的主动支撑技术，系统可 在电网正常运行时传输有功功率，而在电网发生故障的20毫秒内快速切换至紧急无功支援模 式，为受端电网提供强力电压支撑，如同一位"电力急救员"，守护电网安全。不仅如此，特 高压柔性直流输电技术还是新能源发电基地的"稳定器"，通过构网控制技术，昆柳龙工程成 功解决了风电、光伏等波动性电源的并网难题，为沙戈荒等大型新能源基地的电力外送提供 了关键技术保障，助力规模化开发可再生能源。 ■■迈向"世界引领"彰显中国创造力量 五年来，昆柳龙直流工程持续稳定运行，累计输送清洁电能超过1135亿千瓦时，相当于 减排二氧化碳8700万吨，为中国乃至全球低碳发展注入了强劲动力。该工程共创造了 ...