储能变流器功率模块散热系统的性能提升研究  

Research on Performance Improvement of Cooling System of Power Conversion System Power Module

作　　者：刘凯彤 任兴旺 李思 薛晓婕 任晓娜 高健 王一[1] LIU Kaitong;REN Xingwang;LI Si;XUE Xiaojie;REN Xiaona;GAO Jian;WANG Yi(Beijing Sifang Automation Co.,Ltd.,Beijing 100085,China)

机构地区：[1]北京四方继保自动化股份有限公司,北京100085

出　　处：《新型电力系统》2024年第2期179-189,共11页NEW TYPE POWER SYSTEMS

摘　　要：功率模块作为储能变流器的功率变换核心组成部分,在运行过程中会产生大量的热量,优良的散热是保证设备可靠运行的关键。通过数值模拟和实验验证的方法对储能变流器功率模块散热系统的性能提升进行研究。运用数值分析方法对比7种系统变量的换热性能提升效果,提取最佳参数组合,创建优化模型。结果表明,散热器的散热性能是影响系统散热性能的主要因素。在本文的计算工况内,优化模型相比于原始模型的散热优化度最大为13%,热源最高温度降低6℃。通过建立1:1的实验模型对优化模型进行性能提升验证,结果表明散热优化度为11%,热源最高温度降低4℃,验证了优化模型的散热性能提升效果。As the core component of the power conversion of the energy storage converter,the power module will generate a lot of heat during operation,and excellent heat dissipation is the key to ensure the reliable operation of the equipment.The performance improvement of the power module cooling system of the energy storage converter is studied by numerical simulation and experimental verification.Numerical analysis method was used to compare the heat transfer performance improvement effects of 7 system variables,extract the best parameter combination,and create an optimization model.The results show that the heat dissipation performance of the radiator is the main factor affecting the heat dissipation performance of the system.Compared with the original model,the maximum heat dissipation optimization degree of the optimized model is 13%,and the maximum heat source temperature is reduced by 6℃.The performance of the optimized model was verified by establishing a 1∶1 experimental model,the experimental results show that the heat dissipation optimization degree is 11%,and the maximum heat source temperature is reduced by 4℃,which verifies the heat dissipation performance improvement effect of the optimization model.

关 键 词：储能变流器 功率模块 系统散热性能提升 数值模拟 实验验证 

分 类 号：TM7[电气工程—电力系统及自动化]