International Journal of Power Electronics and Drive Systems (IJPEDS)
Vol 8, No 3: September 2017

A Simplified Space Vector Pulse Width Modulation Method Including Over Modulation Operation for Five Level Cascaded H-bridge Inverter with FPGA Implementation

Bogimi Sirisha (Osmania University)
P. Satish Kumar (Osmania University)

Article Info

Publish Date
01 Sep 2017

Abstract

This paper presents simplified control strategy of Space Vector Pulse Width Modulation method  including over modulation region  with linear transfer characteristic for cascaded H-bridge inverters. Because of large number of switching states of the cascaded H- Bridge inverter, the over modulation operation is very complex. And also requires incorporation of  both under modulation and over modulation algorithms. The proposed control method is effective in terms of selecting the optimal switching states with reduced computational complexity using simplified linear calculations which makes it easier for digital implementation. The performance of the proposed method  is simulated and tested experimentally through Spartan 3A FPGA processor for five level Cascaded H-bridge Inverter. The simulation results and harmonic analysis of voltage and current at various modulation indexes as are presented which are in well agreement.

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Journal Info
International Journal of Power Electronics and Drive Systems (IJPEDS)
Website

Abbrev

IJPEDS

Publisher

Institute of Advanced Engineering and Science

Subject

Control & Systems Engineering Electrical & Electronics Engineering

Description

International Journal of Power Electronics and Drive Systems (IJPEDS, ISSN: 2088-8694, a SCOPUS indexed Journal) is the official publication of the Institute of Advanced Engineering and Science (IAES). The scope of the journal includes all issues in the field of Power Electronics and drive systems. ...