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针对直接冷却超导磁储能(SMES)磁体在充放磁时交流损耗等原因导致磁体失超。提出对磁体动态热传输特性进行研究,利用有限元方法建立磁体有限元数学模型,对磁体在充放磁过程中温度变化进行模拟仿真;进行了直接冷却磁体的电流加载实验,仿真和实验结果表明:磁体及其低温系统具有良好的热稳定性。
For the direct cooling of superconducting magnetic energy storage (SMES) magnets in the charge and discharge AC loss and other causes of magnet quenching. The dynamic heat transfer characteristics of the magnet are studied. The finite element method is used to establish the finite element model of the magnet. The temperature variation of the magnet in the process of charge-discharge magnetization is simulated. The current loading experiment of the direct cooling magnet is carried out. The simulation and experimental results show : Magnets and their cryogenic systems have good thermal stability.