This article aims at identifying harmonics in inverter using Discrete Wavelet Transform (DWT).
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\title[IDENTIFICATION OF HARMONICS IN INVERTER USING WAVELET TRANSFORM]{IDENTIFICATION OF HARMONICS IN INVERTER USING WAVELET TRANSFORM" by Muthu Raja Lakshmi and Edwin Isaac Raj from Einstein College of Engineering, India.}
\author{ARMAND AZONNAHIN}
\institute{UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL}
\date{\today}
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\section{Introduction}
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%For $t\in\mathbb{R}$, $m,n\in \mathbb{N}$, and a weight $w:\mathbb{R}\to [0,\infty )$ (a locally integrable a.e. positive function), the {\em $t$-Haar multiplier
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%where $|c^L_{I,J}|\leq {\sqrt{|I|\, |J|}}/{|L|}$.\\
\begin{itemize}
\item Electrical and Electronic Engineering is arguably the technology which has most shaped the world we live in. All aspects of our lives are affected by the electrical power we take for granted.% Electrical and Electronics Engineers are responsible for the continued safe and responsible development of this technology in all its many applications, through research, design and development, manufacture, service, marketing and consulting.
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\item Electrical and Electronics Engineering is a dynamic and exciting discipline which will continue to serve the needs of society through the economic and responsible exploitation of existing technology and the development of innovative ideas.
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\section{Objective \& Argument}
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\item This article aims at identifying harmonics in inverter using Discrete Wavelet Transform (DWT).\\
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\item The authors present an argument for Students of Electrical and Electronic Engineering to use Discrete Wavelet Transform to identify harmonics in inverter which the authors believe is essential for finding the fault easily in the electrical system .\\
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\item Muthu Lakshmi and Edwin Raj are keen to point out that the identification of harmonics in the power system forms the basis in the field of harmonic analysis.\\
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\section{Methodology}
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\item The authors use a Scientific Method :Question ,Hypothesis, Prediction,Testing, Analysis \& Conclusion. \\
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\section{Results}
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\item The authors contend that the output voltage waveform of an inverter can be compressed by using a Wavelet Transform and from which the harmonics present in the waveform can be identified .% And that this identification can be used to find the fault easily.\\
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\item And this identification can be used to find the fault easily.\\
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\section{Discussion}
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\item Students of Electrical and Electronic Engineering would find this article useful for doing simulations with Matlab as would Students of Science and Technology for identifying various categories of power system disturbances.\\% Though lacking informative depth, the article allows to identify clearly harmonics in inverter using wavelet transform .\\
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\item Though lacking informative depth, the article allows to identify clearly harmonics in inverter using wavelet transform .\\
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\section{Conclusion}
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\item In summary, I believe that the author's position -find the solution of one of the biggest problems in power quality aspects using wavelet transform - has been profoundly developed. Students of Science, Engineering and Technology may be encouraged to use wavelet transform by identifying a powerful signal processing tool in communications .% in such areas as, data compression, denoising, reconstruction of high-resolution images, and high-quality speech after readin%g and understanding this article.
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\item In terms of future research, this article could lead to identify the method of finding fault in the electrical system using Discrete Wavelet Transform (DWT).\\
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\begin{frame}{References }
\begin{itemize}
\item Carlos M. Orallo, Ignacio Carugati, "Harmonics Measurement With a Modulated Sliding Discrete Fourier Transform Algorithm",IEEE,April,2014.
\item Friedman,A. and Littman,W.(1994),Industrial Mathematics,A Course in Solving Real-World Problems, SIAM.
\item W. K. Yoon and M.J. Devaney, "Power Measurement Using the Wavelet Transform",IEEE, 1998.
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\begin{frame}{Contact }
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\item armand.azonnahin@gmail.com
\item r.muthu26@gmail.com
\item edwinisaacraj@gmail.com
\item Einstein College of Engineering, Tirunelveli, India .
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\begin{frame}{Acknowledgement}
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{\Huge THANKS !}
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