永磁涡流制动与电磁涡流制动热力学特性对比分析

韩亚鹏; 张敏; 马卫华; 罗世辉

doi:10.13890/j.issn.1000-128x.2020.03.013

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永磁涡流制动与电磁涡流制动热力学特性对比分析

研究开发 | 更新时间：2021-12-10

- 永磁涡流制动与电磁涡流制动热力学特性对比分析
- Comparative Analysis of Thermodynamic Characteristics of Permanent Magnet and Electromagnetic Eddy Current Braking
- 机车电传动 2020年第3期页码：63-67,72
- 作者机构：
  
  1.西南交通大学　牵引动力国家重点实验室，四川　成都　610031
- 作者简介：
  
  韩亚鹏（1995—），男，硕士研究生，主要研究方向为磁浮车辆系统动力学及涡流制动。
- 基金信息：
  
  牵引动力国家重点实验室自主研究课题(2020TPL-T04)
- DOI：10.13890/j.issn.1000-128x.2020.03.013
  中图分类号：
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韩亚鹏, 张敏, 马卫华, 等. 永磁涡流制动与电磁涡流制动热力学特性对比分析[J]. 机车电传动, 2020,(3):63-67,72.

Yapeng HAN, Min ZHANG, Weihua MA, et al. Comparative Analysis of Thermodynamic Characteristics of Permanent Magnet and Electromagnetic Eddy Current Braking[J]. Electric Drive for Locomotives, 2020,(3):63-67,72.
韩亚鹏, 张敏, 马卫华, 等. 永磁涡流制动与电磁涡流制动热力学特性对比分析[J]. 机车电传动, 2020,(3):63-67,72. DOI： 10.13890/j.issn.1000-128x.2020.03.013.

Yapeng HAN, Min ZHANG, Weihua MA, et al. Comparative Analysis of Thermodynamic Characteristics of Permanent Magnet and Electromagnetic Eddy Current Braking[J]. Electric Drive for Locomotives, 2020,(3):63-67,72. DOI： 10.13890/j.issn.1000-128x.2020.03.013.

摘要

电磁涡流制动由于其不受列车黏着限制且衰减较小的优点，常用作高速列车的制动装置，但其结构尺寸和质量较大，磁极温升较高，阻碍了进一步推广应用。因此，在电磁涡流制动装置的基础上提出永磁涡流制动方案，结合理论计算和仿真分析，对比了相同极距和结构尺寸的2种涡流制动装置的气隙磁场，得出涡流制动力与气隙磁场的关系；计算了相同结构尺寸下永磁涡流制动和电磁涡流制动装置制动力和吸引力大小随速度的变化，同时对比分析了2种装置的磁极平均温度随速度的变化。研究结果表明，永磁涡流制动和电磁涡流制动的制动力计算方式具有等效性，相同结构下永磁涡流制动的制动力可达标准励磁参数下电磁涡流制动制动力的3.29倍，制动力相同时永磁涡流制动的磁极温升更小。

Abstract

Electromagnetic eddy current braking devices often used in high-speed trains due to the advantages of not being limited by train adhesion and low attenuation. However, its large size and mass, and high temperature rise of magnetic poles, prevent it from further application. In this paper, a permanent magnet eddy current braking scheme was proposed based on the electromagnetic eddy current braking device. Based on theoretical calculations and simulation analysis, the air-gap magnetic fields of two eddy-current braking devices with the same pole distance and structure size were compared, and the relationship between eddy-current braking force and air-gap magnetic field was obtained. Braking force and attractive force of permanent magnet and electromagnetic eddy current braking devices under the same structure size were calculated and the changes of average temperature of magnetic poles of two devices with speed were compared. The results show that the braking force calculation methods of permanent magnet and electromagnetic eddy current braking are equivalent. The braking force of permanent magnet eddy current braking force under the same structure can reach 3.29 times of the electromagnetic eddy current braking with standard excitation parameters. When the braking force is the same, the temperature rise of the magnetic pole of the permanent magnet eddy current brake is smaller.

关键词

涡流制动高速列车气隙磁密制动力磁极温升永磁涡流制动有限元分析仿真

Keywords

eddy current brakinghigh-speed trainair gap flux densitybraking forcetemperature rise of magnetic polespermanent magnet eddy current brakingFEAsimulation

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