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Impedance Source Buck-Boost Converter for Linear and Non-Linear Load using Matlab Simulation

Author(s):

Bhargavi S. Pandya , Tatva Institute of Technological Studies, Modasa; Prof. G. T. Parmar, Tatva Institute of Technological Studies, Modasa

Keywords:

Converter, Z-Source inverter (ZSI), Simple boost PWM (SBPWM), boost factor, modulation index

Abstract

This paper presents an impedance-source power converter (abbreviated as Z-source converter) and its control method for implementing dc-to-ac power conversion for both linear and non-linear load. The Z-source inverter utilizing a unique LC network and shoot-through states provides unique features, such as the ability to buck & boost voltage with a single stage structure. The Z-source converter overcomes the conceptual and theoretical barriers and limitations of the traditional voltage-source converter (abbreviated as V-source converter) and current-source converter (abbreviated as I-source converter) and provides a novel power conversion concept. The Z-source concept can be applied to all dc-to-ac, ac-to-dc, ac-to-ac, and dc-to-dc power conversion. To describe the operating principle and control, this paper focuses on an example: A model of z-source inverter fed to linear and non-linear load is built in MATLAB/SIMULINK and its performance is analyzed.

Other Details

Paper ID: IJSRDV3I30573
Published in: Volume : 3, Issue : 3
Publication Date: 01/06/2015
Page(s): 1230-1234

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