超导技术在未来电网中的应用

The R&D of superconducting technology for future power grid

首先简要介绍了可再生能源大量接入对未来电网带来的一系列挑战,进而介绍了超导电力技术的特点和优势,以及在应对上述挑战方面可能发挥的作用.超导电力技术的发展以超导材料为基础,主要应用包括超导输电电缆、超导限流器、超导储能系统、超导变压器、超导电机和超导电力集成技术等.本文比较系统地介绍了高温超导材料近年来的发展状况、超导电力应用各个方面的主要研究进展和国内外典型的示范工程.在此基础上,说明了超导电力技术规模化发展所面临的运行温度较低,低温制冷设备长期运行可靠性有待提高,高温超导材料价格过高等方面的障碍,并指出今后努力的方向,提出了我国未来发展超导电力技术的建设性建议.

In this paper, the challenges for the future power grid faced by the development of renewable energies were briefly presented, and then the potential application of superconductor for the solution of these challenges was discussed. In detail, this paper presented the recent progresses of the high Tc superconducting materials and the application of superconductors in power cable, fault current limiter, power transformer, superconducting magnetic energy storage, generator, motor and the integration of superconducting power equipments. Finally, the challenges of application for superconductor in future power grid were discussed, and the proposals for promotion the R＆D of superconductor for future power grid were also suggested.