UGC Approved Journal no 63975

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 5 Issue 7
July-2018
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1807985


Registration ID:
185873

Page Number

617-627

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Title

Switching Angle Estimation and THD Minimization in the Grid-Connected Multilevel Inverter

Abstract

The multilevel inverter with disunite dc sources is a better choice as an interface between the grid and distributed energy resources (DERs). The point of common coupling (PCC) has the tremendous role in the grid-connected applications, for that voltage quality at the PCC is most important than the inverter output voltage. This paper brings a fundamental frequency switching method to mitigate voltage harmonics for the grid-connected cascaded H-bridge multilevel inverter at the point of common coupling (PCC). In this paper first, the harmonic mitigation by using the conventional switching method was presented, after that, a Genetic Algorithm optimization based program proposed to minimize the THD of the PCC voltage and the harmonic contents of the inverter output voltage. Here the main aim is to calculate optimum switching angles of the inverter. These switching angles must satisfy the standard limits for the inverter output voltage and the total harmonic distortion by considering the specifications of the grid. The switching angles are to be employed for a seven-level cascaded h- bridge multilevel inverter connected to an ac power grid. The conventional method and the GA optimization method for calculating switching angles were implemented in MATLAB/Simulink environment. The results show the effectiveness of the genetic algorithm optimization method.

Key Words

Multilevel inverter, Switching angles, Point of common coupling, THD, GA optimization.

Cite This Article

"Switching Angle Estimation and THD Minimization in the Grid-Connected Multilevel Inverter", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 7, page no.617-627, July-2018, Available :http://www.jetir.org/papers/JETIR1807985.pdf

ISSN


2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Switching Angle Estimation and THD Minimization in the Grid-Connected Multilevel Inverter", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 7, page no. pp617-627, July-2018, Available at : http://www.jetir.org/papers/JETIR1807985.pdf

Publication Details

Published Paper ID: JETIR1807985
Registration ID: 185873
Published In: Volume 5 | Issue 7 | Year July-2018
DOI (Digital Object Identifier):
Page No: 617-627
Country: Krishna, Andhra Pradesh, India .
Area: Engineering
ISSN Number: 2349-5162


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