零电压转换DC-DC变换器的分段线性模型

CONIELECOMP 2011, 21st International Conference on Electrical Communications and Computers Pub Date : 2011-04-11 DOI:10.1109/CONIELECOMP.2011.5749374

T. Granados-Luna, I. Araujo-Vargas, Alejandro Tapia-Hernandez, L. Hernandez

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引用次数: 0

摘要

本文给出了零电压转换PWM变换器的分段大信号模型。该电路将变压器漏感和功率开关器件的输出电容集成到变换器的工作原理中，从而形成了一种合适的策略来构建具有定频、移相控制的高频紧凑DC-DC变换器。介绍了变换器的工作原理和分段线性分析，并推导了ZVT电路的大信号模型。然后用250W样机的仿真和实验结果验证了分段大信号模型。

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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A piece-wise linear model of a Zero-Voltage Transition DC-DC Converter

Formulation to obtain a piece-wise large-signal model of a Zero-Voltage Transition PWM Converter is presented in this paper. This circuit integrates the transformer leakage inductance and the output capacitance of the power switching devices into the converter operation principle, which results in a suitable strategy to build a high-frequency compact DC-DC converter with fixed-frequency, phase-shift control. The principle of operation of the converter and a piece-wise linear analysis are described together with a derivation of a large-signal model of the ZVT circuit. The piece-wise large-signal model is then verified with simulation and experimental result obtained with a 250W prototype1.

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CONIELECOMP 2011, 21st International Conference on Electrical Communications and Computers

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