LLC谐振变换器的MATLAB GUI程序

2020 IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA Asia) Pub Date : 2020-09-23 DOI:10.1109/WiPDAAsia49671.2020.9360287

Yuqi Wei, Zhiqing Wang, Quanming Luo, A. Mantooth

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引用次数: 0

摘要

本文基于MATLAB编写了LLC谐振变换器的图形用户干扰(GUI)程序。采用时域分析方法，推导了LLC谐振变换器在PO工作模式下的数学模型。所设计的MATLAB GUI程序具有以下特点和优点:1)给出了关键电路电压和电流的工作波形，可以直观地显示变换器的稳态工作;2)执行时间仅为1秒左右，比商用仿真软件快得多;3)对重要电流、电压值进行汇总列出，方便用户使用;4)利用功率损耗模型获得了效率和功率损耗分布信息，有利于LLC变换器的设计;5)精度高，计算量小，适合工业应用。本文对时域分析作了简要介绍。将所提出的GUI程序与商业仿真工具进行了比较。

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 MATLAB GUI Program for LLC Resonant Converter

In this paper, a graphical user interference (GUI) program based on MATLAB was built for LLC resonant converter. The time domain analysis method is adopted to derive the mathematical model of LLC resonant converter in PO operation mode. The designed MATLAB GUI program has the following features and advantages: 1) key circuit voltages and currents operation waveforms are presented, which can help visualize the steady state operation of the converter; 2) the execution time is only around one second, which is much more faster than commercial simulation software; 3) important currents and voltages values are summarized and listed, which is convenient for users; 4) power loss model is used to obtain the efficiency and power loss distribution information, which is beneficial for LLC converter design; 5) high accuracy and small computation capacity make it suitable for industry applications. Brief introductions for the time domain analysis are presented in this paper. Comparisons between the proposed GUI program and commercial simulation tools are made.

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来源期刊

2020 IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA Asia)

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