A Stability Analysis Method based on Floquet Theory for Multi-stage DC-DC Converters System

被引：0
|
作者：
Li, Hong [1 ]
Guo, Zhongya [1 ]
Ren, Fang [1 ]
Zhang, Xiaochao [1 ]
Zhang, Bo [2 ]
机构：
[1] Beijing Jiaotong Univ, Sch Elect Engn, Beijing 10044, Peoples R China
[2] South China Univ Technol, Sch Elect Power, Guangzhou, Guangdong, Peoples R China
来源：
2017 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2017年
基金：
中国国家自然科学基金;
关键词：
DC-DC converters; Multi-stage System; Stability Analysis; Floquet Theory; LOAD IMPEDANCE SPECIFICATION; DISTRIBUTED POWER-SYSTEM;
D O I：
暂无
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：
The stability analysis of multi-stage DC-DC converters system is a big challenge, since the interaction among the individual converters can lead to an instability of the whole system. This paper applied the stability analysis method based on Floquet theory for a three-stage DC-DC converters system. In this paper, the stability analysis method based on Floquet theory is reviewed at the beginning. Following, the Floquet theory is employed into the stability analysis of multi-stage DC-DC converters. A three-stage buck converters with independent voltage control loops is taken as an example and the Floquet criterion is applied. Finally, the accuracy of the stability analysis method based on Floquet theory is verified by PSIM simulation and experimental results. The stability analysis method based on Floquet theory is convenient to determine whether a multi-stage DC-DC converters system can work stably at any given steady-state operating points.
引用
收藏
页码：3025 / 3029
页数：5
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