Research on Accurate Calculation Model and Regularity for Loss and Junction Temperature of IGBT Modules in Doubly Fed Wind Power Converter

LI Zhizhong; HA Liyuan

doi:10.13296/j.1001-1609.hva.2017.10.032

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Research on Accurate Calculation Model and Regularity for Loss and Junction Temperature of IGBT Modules in Doubly Fed Wind Power Converter

更新时间：2025-04-26

- Research on Accurate Calculation Model and Regularity for Loss and Junction Temperature of IGBT Modules in Doubly Fed Wind Power Converter
- High VoltageApparatus Vol. 53, Issue 10, Pages: 198-203(2017)
- 作者机构：
  
  锡林郭勒职业学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.10.032
  CLC： TM46
- Published：2017
- 稿件说明：
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[1]李治中,哈立原.双馈风电变流器IGBT模块的损耗与结温准确计算模型及规律研究[J].高压电器,2017,53(10):198-203.

LI Zhizhong, HA Liyuan. Research on Accurate Calculation Model and Regularity for Loss and Junction Temperature of IGBT Modules in Doubly Fed Wind Power Converter[J]. High voltageapparatus, 2017, 53(10): 198-203.
[1]李治中,哈立原.双馈风电变流器IGBT模块的损耗与结温准确计算模型及规律研究[J].高压电器,2017,53(10):198-203. DOI： 10.13296/j.1001-1609.hva.2017.10.032.

LI Zhizhong, HA Liyuan. Research on Accurate Calculation Model and Regularity for Loss and Junction Temperature of IGBT Modules in Doubly Fed Wind Power Converter[J]. High voltageapparatus, 2017, 53(10): 198-203. DOI： 10.13296/j.1001-1609.hva.2017.10.032.

摘要

为了解决交变热应力大范围波动会导致IGBT模块稳定性大幅下降

引起双馈风电变流器IGBT模块故障频发的问题

基于解析解理论以及不同损耗分析方法并结合双馈风电变流器实际运行特性

建立了IGBT模块功率损耗以及机侧、网侧结温稳态模型

并且分析了其在不同工况下的变化特性。结果表明

风速对机侧以及网侧变流器IGBT模块的功损耗以及结温变化特性影响较大

最终得到基于开关周期理论所建模型更加适用于分析IGBT模块结温以及损耗的精确模拟。双馈风电用机侧变流器IGBT稳态结温波动幅值随风速的增大而增大。

Abstract

In order to solve the high fault rate physical nature caused by the continuing thermal stress for power converter of doubly fed wind generator system.A calculation model of IGBT junction temperature and effects anal ysis are investigated based on the analysis solution of IGBT junction temperature

and combined with practical vari ation characteristic

and the variation characteristics under different operating conditions are also analyzed.The results show that the wind speed has great influence on the generator-side and the grid-side converter power loss in the IGBT module and the junction temperature variation

finally

based on switch cycle theory

the model is established which is more suitable for the accurate simulation of the loss of the junction temperature in the IGBT module.And the amplitudes of IGBT steady state junction temperature of generator-side power converter increases with the increase wind speed.

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