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A New Improved Variable Frequency Triangular Carrier-PWM with MOPSO Algorithm for Carrier Based PWM Techniques in Inverters

Journal: TEM JOURNAL - Technology, Education, Management, Informatics (Vol.6, No. 1)

Publication Date:

Authors : ; ;

Page : 32-42

Keywords : Variable Frequency Triangular Carrier- Pulse Width Modulation (VFTC-PWM); Multi-Objective Particle Swarm Optimization (MOPSO); Total Harmonic Distortion (THD); Low Order Harmonic; Multi-Carrier PWM (MCPWM).;

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Abstract

This paper investigates multi-carrier PWM methods in multi-level inverters. Two new MCPWM methods are introduced. This study proposes a new optimized MCPWM method to improve the output voltage characteristics like THD and LOH. The proposed method is based on variable frequency with a specific range. It means each carrier wave has a determined frequency. It is calling Variable Frequency Triangular Carrier-PWM. MOPSO algorithm is used to optimize the answers. This work considers some different levels of inverters like five, seven and nine levels. The results are compared with SPWM method.

Last modified: 2017-02-28 04:35:58