YBCO超导带构造新型高温超导感应加热主磁体系统基础研究

With the power conversion device proposes greater efficiency and higher power, the new HTS induction heating equipment will play an important role in the future in the field of metal material through heating treatment. This project researches the foundation problems of the key technologies on HTS induction heating main magnet topology, large caliber conduction-cooled HTS main magnet and pluggable cryocooler cryogenic systems. In this project, the optimization topology of the main magnet according to different kinds of billet will be obtained. The dynamic power output characteristics of the main magnet under specific heating beat and optimization design method for the main magnet can be Obtained. The stability criterion of the conduction cooled HTS main magnets will be proposed. The high efficiency optimal operation mode in the region of background field will be proposed. The optimum design of high stability cryogenic system will be proposed; The 30kW YBCO HTS induction heating equipment prototype will be developed and eventually the design theory on the main magnet of HTS induction heating system will be proposed. The results of this research project will supply theoretical and experimental basis for the design, protection and optimization of the main magnet of the HTS induction heating magnet system. The project has important scientific significance for further accelerating the development of megawatt HTS induction heating equipment and the process of practical superconducting power technology.

随着电能转换设备提出更大功率更高效率的需求，新型高温超导感应加热设备未来将在金属材料透热处理领域发挥重要的作用。本项目研究高温超导感应加热主磁体的拓扑结构、大口径传导冷却高温超导主磁体和基于制冷机可插拔集成方式的低温系统等关键技术的基础问题。获得不同种工件在透热处理下的最优化主磁体拓扑结构,获得特定加热节拍下的超导主磁体动态功率输出特性及最优化的主磁体设计方法，提出传导冷却高温超导主磁体的稳定性判据，提出主磁体形成背场区内的高效率优化运行模式，获得高稳定性低温系统的优化设计方法,研制出基于YBCO超导带材30kW级高温超导感应加热设备原理样机，最终构建高温超导感应加热主磁体系统的基础设计理论。本项目的研究成果将为高温超导感应加热主磁体系统的设计、保护及高效优化运行提供理论和实验依据，对开发兆瓦级高温超导感应加热设备以及进一步加速高温超导电力技术实用化进程的步伐，具有十分重要的科学意义。

随着电能转换设备提出更大功率更高效率的需求，新型高温超导感应加热设备未来将在金属材料透热处理领域发挥重要的作用。本项目研究高温超导感应加热主磁体的拓扑结构、大口径传导冷却高温超导主磁体和基于制冷机可插拔集成方式的低温系统等关键技术的基础问题。获得工件在透热处理下的主磁体新的拓扑结构,获得特定加热节拍下的超导主磁体动态功率输出特性及最优化的主磁体设计方法，提出传导冷却高温超导主磁体的稳定性判据，获得高稳定性低温系统的优化设计方法, 实验测试新型感应加热设备输出特性，提出MW级高温超导感应加热主磁体系统优化设计方案。本项目的研究成果将为高温超导感应加热主磁体系统的设计、保护及高效优化运行提供理论和实验依据，对开发兆瓦级高温超导感应加热设备以及进一步加速高温超导电力技术实用化进程的步伐，具有十分重要的科学意义。