Electro-thermal Simulation of a DC/DC Converter using a Relaxation Method

M. Vellvehí, X. Jordà, P. Godignon, J. Millán
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引用次数: 11

Abstract

This paper presents a methodology for simulating the electro-thermal behaviour of a DC/DC converter. This technique is based on the coupling of computational fluid dynamics software (FLOTHERM) with an electrical circuit simulator (VHDL-AMS). This work is mainly focused in the description of the thermal component with special emphasis in the modelling of the active power devices (MOSFET and Schottky diode) included in the converter. Once these devices have been fully modelled, they are included in the DC/DC converter modelled as a double sided PCB including also some passive components. The simulations have been experimentally verified with the aid of infrared measurements
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基于松弛法的DC/DC变换器电热仿真
本文提出了一种模拟DC/DC变换器电热特性的方法。该技术基于计算流体动力学软件(FLOTHERM)与电路模拟器(VHDL-AMS)的耦合。这项工作主要集中在热元件的描述,特别强调在变换器中包含的有源功率器件(MOSFET和肖特基二极管)的建模。一旦这些器件被完全建模,它们就被包含在DC/DC转换器中,作为一个双面PCB建模,还包括一些无源元件。利用红外测量对模拟结果进行了实验验证
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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