基于SiC MOSFET的交错并联DC／DC变换器热分析  

Thermal Analysis of SiC MOSFET Based Bidirectional Interleaved DC/DC Converter

作　　者：刘朝勇[1] 张晨光[2] 郑先成[2] 

机构地区：[1]中国商飞上海飞机设计研究院,上海201210 [2]西北工业大学,自动化学院,陕西西安710129

出　　处：《电力电子技术》2017年第4期108-110,共3页Power Electronics

摘　　要：热性能一直是航空电子设备可靠性的重要性能指标,良好的热设计是保证设备正常运行的必要条件。简要介绍FloTHERM软件的功能,主要研究了利用FloTHERM软件进行双向交错并联DC/DC变换器的建模分析,提出系统热性能改进方案,并与实际实验对比,验证模型仿真的准确性。高温仿真实验进一步验证仿真模型的有效性。对其他电子设备的热分析具有一定的借鉴参考意义。Thermal performance is always an important performance index of avionic device, and a good thermal design is necessary to ensure the normal operation of the equipment.FloTHERM is briefly introduced,and used to do the thermal simulation analysis for bidirectional interleaved DC/DC converter,an optimization is proposed to improve the thermal performance, a comparison of the experimental results and the simulation analysis data is made to validate the accuracy of the simulation model.High temperature simulation experiment validates the feasibility of the proposed model.It can be used as a reference for thermal analysis of other electronic devices.

关 键 词：变换器 热分析 有限体积法 

分 类 号：TM46[电气工程—电器]