Dynamic Modeling and Analysis of Z Source Converter—Derivation of AC Small Signal Model and Design-Oriented Analysis

Author

Liu, Jingbo ; Hu, Jiangang ; Xu, Longya

Author_Institution

Rockwell Autom., Milwaukee

Volume

22

Issue

5

fYear

2007

Firstpage

1786

Lastpage

1796

Abstract

This paper contributes to the AC small signal modeling and analysis of Z source converter (ZSC) in continuous conduction mode. The AC small signal model considers the dynamics introduced by Z network uniquely contained in ZSC. AC small signal model of ZSC is derived and computer simulation results are used to validate the small signal modeling method. Various applications of the AC small signal models to ZSC design and experimental verifications are presented.

Keywords

DC-DC power convertors; equivalent circuits; frequency response; transfer functions; AC small signal model; DC-DC converter; Z source converter; continuous conduction mode; design-oriented analysis; dynamic modeling; equivalent circuit models; power converter; transfer functions; Application software; Computer simulation; Equivalent circuits; Pulse width modulation; Pulse width modulation inverters; Signal analysis; Signal design; Switches; Transfer functions; Voltage control; $Z$ source converter (ZSC); Continuous conduction mode (CCM); frequency response; small signal model;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/TPEL.2007.904219

Filename

4300888