Core Insights - The Kunliulong DC project features the world's first ±800 kV ultra-high voltage multi-terminal flexible DC engineering, with the Liuzhou converter station acting as a crucial hub for efficient power transmission from the west to the Guangdong-Hong Kong-Macao Greater Bay Area [1][2] Group 1: Technological Advancements - The Liuzhou converter station has achieved significant progress in key technologies, particularly in the research of flexible DC transmission converter valve resistors, which are expected to enhance the localization rate of critical equipment [1] - The station utilizes the world's first ultra-high voltage quantum measurement device, capable of accurately sensing current variations from milliampere to kiloampere levels, showcasing a strong emphasis on domestic technology innovation [2] - The ±800 kV flexible DC wall bushing at the Liuzhou station has operated with a "zero-failure" record for four years, saving approximately 40 million yuan in costs per project and generating nearly 200 million yuan in external sales [2] Group 2: Collaborative Efforts - The Southern Power Grid UHV Company has established a collaborative mechanism involving universities, research institutes, and equipment manufacturers to tackle technical challenges and share outcomes [3] - The company has implemented a refined risk management strategy for the entire lifecycle of the first set of equipment, facilitating the replication of successful experiences and accelerating the deployment of mature solutions across various projects [3] - Current technical solutions have been promoted to over ten domestic renewable energy transmission and grid interconnection projects, providing direct support for initiatives like the Tibet-Guangdong DC project [3]