Stability Analysis of DC-DC Converters with Energy Balance Control

被引：2

作者：

Wang, Lei ^{[1
]}

Liu, Yang ^{[1
]}

Guo, Yongliang ^{[1
]}

Wu, Qing-Hua ^{[1
]}

Tang, Guangfu ^{[2
]}

机构：

[1] South China Univ Technol, Sch Elect Power Engn, Guangzhou 510641, Peoples R China

[2] State Grid Smart Grid Res Inst Co Ltd, Beijing 102209, Peoples R China

来源：

CSEE JOURNAL OF POWER AND ENERGY SYSTEMS | 2023年 / 9卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Bifurcation; Switches; Analytical models; Oscillators; Power system stability; Stability criteria; Clocks; DC-DC converter; energy balance control; average model; slow-scale stability; BOOST CONVERTERS; BIFURCATION;

D O I：

10.17775/CSEEJPES.2020.03750

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

With variation of parameters, DC-DC converters may change from a stable state to an unstable state, which severely degrades the performances of the converter system. In this article, by establishing the state-space average model, the stability and bifurcation of a boost and a buck-boost converter with energy balance control (EBC) is studied, respectively. Then the stability boundary and stable parameter domains are accurately predicted. The obtained stability region provides a parameter regulating range for converter design. Furthermore, compared with the one-cycle control (OCC) method, the EBC possesses an extended stable parameter domain, while avoiding unstable behaviors such as Hopf bifurcation, Quasi-periodic Oscillation even chaos, etc. The theoretic analysis is well validated through simulation and experiment.

引用

页码：1765 / 1773

页数：9

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