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为了降低电磁悬浮系统产生的不参与列车牵引做功的大量悬浮能耗,系统中加入了永磁体,构成了混合悬浮系统,由永磁力抵消一部分负载力,电磁系统实施快速调节保证动子稳定悬浮,基于等效法建立了混合悬浮系统的数学模型,仿真计算出混合悬浮系统的悬浮力,其值远大于计算得到的纯电磁系统的悬浮力。计算结果与实验结果比较基本一致,由此验证了所建立混合悬浮系统模型的正确性,:说明混合悬浮系统具有小电磁电流和低悬浮能耗的优越特性。
In order to reduce the large amount of suspended energy consumed by the electromagnetic levitation system that does not participate in the train traction work, a permanent magnet is added into the system to form a hybrid suspension system, a part of the load force is canceled by the permanent magnetic force, and the electromagnetic system performs rapid adjustment to ensure the stable suspension of the mover, Based on the equivalent method, the mathematical model of the hybrid suspension system was established, and the levitation force of the hybrid suspension system was calculated by simulation. The value of the suspension force is far greater than the calculated levitation force of the pure electromagnetic system. The calculated results are basically the same as the experimental ones, which verifies the correctness of the model of the hybrid suspension system. It shows that the hybrid suspension system has the advantages of low electromagnetic current and low suspended energy consumption.