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相比于单独磁源励磁的涡流制动方式,混合励磁涡流制动有着可控且节能、适用于多种制动模式等优势。针对高速列车制动时制动功率消耗大的问题,为满足制动安全可靠的需要,根据电磁场原理提出了一种混合励磁轨道涡流制动系统,阐明了机械系统进行制动器的提放动作、电磁系统进行涡流制动的工作过程。通过对电磁系统进行有限元分析(FEM),对速度、气隙、励磁电流等因素对制动力、吸引力的影响进行了讨论,并在此基础上对电磁系统的结构进行了优化。优化结果表明制动系统达到了更好的性能。
Compared to the eddy current braking mode with separate magnetic excitation, the hybrid excitation eddy current braking has the advantages of controllability and energy saving, and is suitable for various braking modes. Aiming at the problem of large braking power consumption in high-speed train braking, in order to meet the need of braking safety and reliability, a hybrid excitation orbit vortex braking system is proposed according to the principle of electromagnetic field. System eddy current braking process. Through the finite element analysis (FEM) of the electromagnetic system, the influences of the speed, the air gap and the exciting current on the braking force and the attraction force are discussed. Based on this, the structure of the electromagnetic system is optimized. The optimization results show that the brake system achieves better performance.