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高温超导磁浮列车运行在高速状态,要受到环境振动、电磁激扰、轨道不平顺等问题,由此带来的运行损耗与高温超导接头电阻损耗等自身损耗相互叠加,使得高温超导磁体难以实现恒流运行.因此,本文基于近年来快速发展的非接触传能技术,提出了一种无漏热高温超导磁体非接触补偿供电方案,从理论上建立等效电路模型进行阻抗匹配,确定系统最优参数,同时利用搭建的实验测试平台研究了不同传输间距、不同负载的供电效率,证实了非接触传能技术用于现代轨道交通中高温超导磁体供电补偿的可行性.
High-temperature superconducting maglev train running at high speed, to be subject to environmental vibration, electromagnetic disturbance, orbit irregularities and other issues, resulting in running loss and high temperature superconducting joint resistance loss and other self-wear superposition of each other, making the high-temperature superconducting magnet It is difficult to achieve constant current operation.Therefore, based on the rapid development of non-contact energy transfer technology in recent years, this paper proposes a non-contact compensation power supply scheme for high temperature non-leaky HTS magnets. The equivalent circuit model is theoretically established for impedance matching, The optimal parameters of the system were determined. At the same time, the experimental test platform was used to study the power supply efficiency of different transmission distances and loads. The feasibility of non-contact transmission technology for power supply compensation of HTS magnets in modern rail transit was proved.