| 电力电子系统以热阻为基础的热设计探讨 |
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| 引用本文： | 吴英秦,吴黎明,庄文山.电力电子系统以热阻为基础的热设计探讨[J].电力电子,2009(3):43-49. |
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| 作者姓名： | 吴英秦 吴黎明 庄文山 |
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| 作者单位： | 清云科技大学电机系;精营管理顾问公司; |
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| 摘 要： | 随着半导体集成技术的演进,电力电子系统中的热管理问题已愈来愈受到重视。本文旨在探讨热管理在电力电子系统设计中日益重视的原因及所面对的挑战,文中提出电力电子系统巨观的热阻模式,并分别用桌上型计算机电源供应器、直直流变换器模块等作实例解说,最后从热阻的观点分享实务经验,并说明克服挑战需具备的条件。
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| 关 键 词： | 热阻 热设计 热管理 发热体 散热体 电力电子系统 |
The Study of Heat Resistance-based Thermal Design in Power Electronic Systems |
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| Abstract: | Along with the evolution of semiconductor integrated circuit technology,the thermal management in power electronic systems has been gaining an increasing attention.This paper aims to investigate the reasons why thermal management is important and what are the thermal design challenges that we are facing over power electronic systems.The macroscopic concept of thermal resistance is introduced in this paper,and two examples,one from power supply in desktop computer and the other from DC to DC converter module... |
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| Keywords: | Thermal resistance Thermal design Thermal management Heat source Heat sink Power electronic systems |
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