Design of vibration isolation parameters of converter for high-speed double-deck EMU trains

TAO Guidong; SUN Weiguang

doi:10.13890/j.issn.1000-128X.2022.04.014

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Design of vibration isolation parameters of converter for high-speed double-deck EMU trains

Railway Rolling Stock | 更新时间：2024-08-02

- Design of vibration isolation parameters of converter for high-speed double-deck EMU trains
- Electric drive for locomotives Issue 4, Pages: 97-103(2022)
- 作者机构：
  
  中车青岛四方机车车辆股份有限公司，山东青岛　266111
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.04.014
  CLC： U292.91⁺4;U264.3⁺7
- Published：10 July 2022，
  
  Received：16 July 2021，
  
  Revised：26 May 2022，
- 稿件说明：
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TAO Guidong, SUN Weiguang. Design of vibration isolation parameters of converter for high-speed double-deck EMU trains. [J]. Electric drive for locomotives (4):97-103(2022)
DOI：

TAO Guidong, SUN Weiguang. Design of vibration isolation parameters of converter for high-speed double-deck EMU trains. [J]. Electric drive for locomotives (4):97-103(2022) DOI： 10.13890/j.issn.1000-128X.2022.04.014.

摘要

建立了包含车上牵引变流器整备状态下的双层动车组车体有限元模型，分别计算分析了当变流器设备采用刚性吊挂和弹性吊挂时，车体主要低阶弹性模态。有限元模型分析结果表明，当变流器设备采用弹性吊挂时，车体模态频率要高于刚性吊挂时的模态频率。建立了包含车上牵引变流器的双层动车组车辆刚柔耦合动力学模型，研究了牵引变流器不同吊挂频率对车辆Sperling运行平稳性指标的影响，并分析了不同吊挂频率下变流器吊挂点横向拉力。刚柔耦合动力学模型分析结果表明，当吊挂频率为13 Hz时，车辆横向与垂向Sperling运行平稳性指标较低；随着吊挂频率的增大，变流器吊挂受到的横向拉力增大；若吊挂频率低于13 Hz，则吊挂点减振元件横向拉力低于400 N。

Abstract

A finite element model of the double-deck EMU trains including the on-board traction converter was established

and the main low-order elastic modes of the car body were calculated and analyzed separately when the converter equipment adopted rigid suspension and elastic suspension. The results show that when the equipment adopts elastic suspension

the modal frequency of the car body is higher than the modal frequency of rigid suspension. A rigid-flexible coupling dynamics model of the double-deck EMU vehicle including the on-board traction converter was established to study the influence of the different hanging frequencies of the traction converter on Sperling index of the vehicle

and the transverse tension of the hanging point of the converter under different hanging frequencies was also analyzed. The results show that when the hanging frequency is 13 Hz

the lateral and the vertical Sperling index are low; with the increase of the hanging frequency

the transverse tension of the converter suspension increases. If the hanging frequency is lower than 13 Hz

the transverse tension of damping element of hanging point is lower than 400 N.

关键词

高速列车动车组车上设备模态分析运行平稳性有限元分析轨道不平顺

Keywords

high-speed trainEMUon-board equipmentmodal analysisriding stabilityFEAtrack irregularity

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