上海超导输电示范工程安全稳定运行超3.5万小时

Core Insights - The demonstration project of superconducting power transmission by State Grid Shanghai Electric Power Company has been operational for four years, achieving over 35,000 hours of stable operation and delivering nearly 760 million kilowatt-hours of electricity to 49,000 users [1] - This project is the world's largest in terms of transmission capacity, distance, and number of joints, with a total length of 1.2 kilometers and a transmission capacity 4 to 6 times that of conventional cables [1] - The project has led to significant technological breakthroughs and the establishment of industry standards, with over 40 national invention patents and 4 PCT international patents awarded [2] Technological Advancements - The project has developed the world's first full-process pipe-cooling compensation method for superconducting cables, addressing challenges in installation on steep slopes and multiple bends [1] - A real-time monitoring platform for high-temperature superconducting cables has been created, integrating various monitoring functions to ensure reliable operation [2] - The project has successfully implemented a comprehensive inspection system using drones and robotic dogs, enhancing the safety and reliability of superconducting equipment [2] Industry Empowerment and Social Responsibility - The project has established a technical standard system in collaboration with superconducting enterprises, promoting the application of superconducting equipment in power transmission and transformation projects [3] - A science education base for superconducting cables has been certified by two national academic organizations, showcasing China's energy technology innovations and receiving over 4,500 visitors [3] - The project aims to deepen integrated cooperation among industry, academia, and research, fostering collaborative development of science popularization and innovation [3]