tailieunhanh - POWER QUALITY HARMONICS ANALYSIS AND REAL MEASUREMENTS DATA

Nowadays, the rapid growth of power electronics in industry and the presence of products based on electronic components in enterprises, institutions, shops, small businesses, residences, etc. and transport systems has been welcomed by the people who already use it due to its increased productivity within all areas. The problem of this increasing use of power electronics equipment is the important distortions originated; the perfect AC power systems are a pure sinusoidal wave, both voltage and current, but the ever-increasing existence of non-linear loads modify the characteristics of voltage and current from the ideal sinusoidal wave | POWER QUALITY HARMONICS ANALYSIS AND REAL MEASUREMENTS DATA Edited by Gregorio Romero Rey and Luisa Martinez Muneta Power Quality Harmonics Analysis and Real Measurements Data Edited by Gregorio Romero Rey and Luisa Martinez Muneta Published by InTech Janeza Trdine 9 51000 Rijeka Croatia Copyright 2011 InTech All chapters are Open Access distributed under the Creative Commons Attribution license which allows users to download copy and build upon published articles even for commercial purposes as long as the author and publisher are properly credited which ensures maximum dissemination and a wider impact of our publications. After this work has been published by InTech authors have the right to republish it in whole or part in any publication of which they are the author and to make other personal use of the work. Any republication referencing or personal use of the work must explicitly identify the original source. As for readers this license allows users to download copy and build upon published chapters even for commercial purposes as long as the author and publisher are properly credited which ensures maximum dissemination and a wider impact of our publications. Notice Statements and opinions expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher. No responsibility is accepted for the accuracy of information contained in the published chapters. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials instructions methods or ideas contained in the book. Publishing Process Manager Sandra Bakic Technical Editor Teodora Smiljanic Cover Designer InTech Design Team Image Copyright STILLFX 2010. Used under license from First published November 2011 Printed in Croatia A free online edition of this book is available at Additional hard copies can be obtained from orders@

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