An Unified Approach to Modeling PWM Switching Power Converters  in Discontinuous  Inductor  Current Mode Operation

Lin Botao; Qiu Shuisheng

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An Unified Approach to Modeling PWM Switching Power Converters in Discontinuous Inductor Current Mode Operation

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- An Unified Approach to Modeling PWM Switching Power Converters in Discontinuous Inductor Current Mode Operation
- Acta Electronica Sinica Issue 2, (1999)
- 作者机构：
  
  1. 华南理工大学电子与通信工程系
  2. 香港理工大学电子工程学系
  3. 华南理工大学电子与通信工程系香港理工大学电子工程学系
- 作者简介：
- 基金信息：
- DOI：
  CLC： O242.1
- Published：1999
- 稿件说明：
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[1]林波涛,丘水生.工作于断续电感电流模式的PWM开关变换器的统一建模方法[J].电子学报,1999(02):41-44.

Lin Botao, Qiu Shuisheng. An Unified Approach to Modeling PWM Switching Power Converters in Discontinuous Inductor Current Mode Operation[J]. Acta Electronica Sinica, 1999, (2).
[1]林波涛,丘水生.工作于断续电感电流模式的PWM开关变换器的统一建模方法[J].电子学报,1999(02):41-44. DOI：

Lin Botao, Qiu Shuisheng. An Unified Approach to Modeling PWM Switching Power Converters in Discontinuous Inductor Current Mode Operation[J]. Acta Electronica Sinica, 1999, (2). DOI：

摘要

基于通用的“高频网络平均法”，本文提出了一种新的ＰＷＭ开关变换器（断续电感电流模式）的统一建模方法．由此方法，我们得到变换器的低频等效电路模型．所得模型既利于建立电路的微分方程，又适合于ＳＰＩＣＥ的仿真，可获得变换器的直流特性及小信号特性．仿真及实验结果证明了该模型的正确性．

Abstract

Based on the method of “High Frequency Network Averaging”

an unified approach to modeling DC DC PWM converters in discontinuous inductor current mode operation is proposed.Low frequency behavior models are derived.These models

on the one hand

serve as a basis to derive differential equations of the converters

on the other hand

are very suitable for SPICE simulation

where DC and small signal characteristics can be easily obtained.Simulation and experimental results verifying the modeling are reported.

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