Design of High Efficiency Cooler for IGBT Module in CRH2

Gao Feng; Zhang Yi; Pan Xiaoyan

doi:10.3969/j.issn.0253-4339.2020.06.150

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Design of High Efficiency Cooler for IGBT Module in CRH2

更新时间：2024-12-12

- Design of High Efficiency Cooler for IGBT Module in CRH2
- Journal of Refrigeration Vol. 41, Issue 6, (2020)
- 作者机构：
  
  1. 国家级建筑用能虚拟仿真实验教学中心
  2. 北京建筑大学环境与能源工程学院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2020.06.150
  CLC：
- Published：01 January 2020
- 稿件说明：
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Gao Feng, Zhang Yi, Pan Xiaoyan. Design of High Efficiency Cooler for IGBT Module in CRH2[J]. Journal of refrigeration, 2020, 41(6).
DOI：

Gao Feng, Zhang Yi, Pan Xiaoyan. Design of High Efficiency Cooler for IGBT Module in CRH2[J]. Journal of refrigeration, 2020, 41(6). DOI： 10.3969/j.issn.0253-4339.2020.06.150.

摘要

针对目前CRH2型高速动车机组变流器中所用的大功率IGBT模块，本文设计了4种动车组牵引变流器用高效散热器，通过应用FLUENT对设计的4种散热器模型进行CFD模拟

综合分析对比模拟结果

确定出cha－30×10为其中性能最优的散热器模型

对性能最优的模型进行二次优化，综合判定最优方案为160°折角散热器，并得到了散热器最高温度、最大热阻、压降和冷却液入口流量的关系。仿真结果表明:在入口质量流量为0.1kg/s 的工况下，cha－30×h0(160°)散热器最高温度比shun－20×10降低3K、最大热阻减小7.8％。

Abstract

For the high-power insulated gate bipolar translator (IGBT) module

which is presently used in the converter of CRH2

four types of high-efficiency cooler for the traction converter of CRH2 were designed. Using FLUENT to simulate four types of cooler models and comprehensively analyzing and comparing the simulation results

cha-30×10 was determined to be the best cooler model

and the optimal model was quadratically optimized. The optimal scheme was determined to be the 160° cooler

and the relationship between the maximum temperature

maximum thermal resistance

pressure drop

and the flowrate of coolant was obtained. With an inlet mass flow rate 0.1 kg/s

the simulation results show that the maximum temperature of the cha-30×10 (160°) cooler is 3 K lower than that of shun- 20×10

and the maximum thermal resistance is 7.8% lower than that of shun-20×10.

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