包含功率模块的半桥 DC-DC 转换器的电热平均模型

IF 2.6 3区工程技术 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Electronics Pub Date : 2024-09-14 DOI:10.3390/electronics13183662

Krzysztof Górecki, Paweł Górecki

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引用次数: 0

摘要

本文提出了一种包含功率模块的半桥 DC-DC 转换器的电热平均模型。这种模型可以利用直流分析计算直流-直流转换器的特性。本文介绍了详细模型的形式。所分析的直流-直流转换器的电特性和热特性都包含在该模型中。这是第一个 DC-DC 转换器的平均电热模型，可以计算所有半导体器件和磁性元件的结温。实验验证了该模型在各种开关频率和输出电流下的准确性。特别是分析了所考虑模块中晶体管之间的相互热耦合对转换器特性和晶体管结温的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Electrothermal Averaged Model of a Half-Bridge DC–DC Converter Containing a Power Module

This article proposes an electrothermal averaged model of a half-bridge DC–DC converter containing a power module. This kind of model enables the computation of characteristics of DC–DC converters using DC analysis. The form of the elaborated model is presented. Both the electrical and thermal properties of the analyzed DC–DC converter are included in this model. This is the first averaged electrothermal model of a DC–DC converter which makes it possible to compute the junction temperature of all the semiconductor devices and magnetic components. The accuracy of the model was experimentally verified in a wide range of switching frequencies and output currents. Particularly, the influence of mutual thermal couplings between the transistors contained in the considered module on the characteristics of the converter and the junction temperature of the transistors is analyzed.

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来源期刊

Electronics Computer Science-Computer Networks and Communications

CiteScore

1.10

自引率

10.30%

发文量

3515

审稿时长

16.71 days

期刊介绍： Electronics (ISSN 2079-9292; CODEN: ELECGJ) is an international, open access journal on the science of electronics and its applications published quarterly online by MDPI.