A Unified Equivalent Circuit Analysis of Quasi Resonant Converters:High Frequency Network Averaging

Lin Botao and Qiu Shuisheng

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A Unified Equivalent Circuit Analysis of Quasi Resonant Converters:High Frequency Network Averaging

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- A Unified Equivalent Circuit Analysis of Quasi Resonant Converters:High Frequency Network Averaging
- Acta Electronica Sinica Issue 8, (1995)
- 作者机构：
  
  华南理工大学无线电工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM13
- Published：1995
- 稿件说明：
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[1]林波涛,丘水生.一种统一的准谐振开关变换器的等效电路分析法──高频网络平均法[J].电子学报,1995(08):71-74.

Lin Botao and Qiu Shuisheng. A Unified Equivalent Circuit Analysis of Quasi Resonant Converters:High Frequency Network Averaging[J]. Acta Electronica Sinica, 1995, (8).
[1]林波涛,丘水生.一种统一的准谐振开关变换器的等效电路分析法──高频网络平均法[J].电子学报,1995(08):71-74. DOI：

Lin Botao and Qiu Shuisheng. A Unified Equivalent Circuit Analysis of Quasi Resonant Converters:High Frequency Network Averaging[J]. Acta Electronica Sinica, 1995, (8). DOI：

摘要

本文提出了高频网络平均法：利用受控电源（控制量为低频变量）来代替电流（或电压）高频变化的元件。利用它对准谐振开关变换器进行分析，得出了其非线性非时变的等效电路。这一方法简单实用，物理意义鲜明，对于准谐振开关变换器的分析具有实用意义。

Abstract

High Frequency Network Averaging（HFNA）

in which the elements whose currents（or voltages） vary very fast are replaced by dependent sources controlled by low-frequency variables

is presented in this paper.A nonlinear invariant equivalent circuit of Quasi Resonant Converter（QRC） is obtained.This new approach and its resulting models are circuit-oriented and helpful to the analysis and design of QRC.

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