Engineering » Energy Engineering

Power Quality Harmonics Analysis and Real Measurements Data

Edited by Gregorio Romero Rey and Luisa Martinez Muneta, ISBN 978-953-307-335-4, 290 pages, Publisher: InTech, Chapters published November 23, 2011 under CC BY 3.0 license
DOI: 10.5772/699
Edited Volume

Nowadays, the increasing use of power electronics equipment origins important distortions. 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. This deviation from the ideal wave is reflected by the harmonics and, although its effects vary depending on the type of load, it affects the efficiency of an electrical system and can cause considerable damage to the systems and infrastructures. Ensuring optimal power quality after a good design and devices means productivity, efficiency, competitiveness and profitability. Nevertheless, nobody can assure the optimal power quality when there is a good design if the correct testing and working process from the obtained data is not properly assured at every instant; this entails processing the real data correctly. In this book the reader will be introduced to the harmonics analysis from the real measurement data and to the study of different industrial environments and electronic devices.

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Prof. Gregorio Romero

Universidad Politécnica de Madrid, Spain

Dr. Gregorio Romero Rey (Spain, 1974) received his Industrial Technical Engineering degree from the ICAI in 1996 and his Mechanical Engineering degree from the UNED in 2000. After the analysis of mathematical systems corresponding to multi-domain models, he was awarded his PhD Degree by the Universidad Politécnica de Madrid in 2005, the university in which he works as Associated Professor. Since 1997, he has worked mainly on simulation models and the virtual reality area, developing his research activity in the Research Group in Railway Technology and Advanced Simulation (CITEF) collaborating on European and National Projects, apart from works with private companies. He has been involved in different technical committees and has received two prizes associated with his research and education activity. At present he is the manager of an electrical simulator designed for a Spanish company and has published more than 70 technical papers in different international journals, books and conferences.

Education

  • 1997 - current

    ETS Industrial Engineering, Universidad Politécnica de Madrid, Madrid

    Mechanical Engineering and Manufacturing

  • 2000 – 2005

    ETS Industrial Engineering, Universidad Politécnica de Madrid, Madrid

    Mechanical Engineering and Manufacturing

Edited Books

  • Power Quality Harmonics Analysis and Real Measurements Data

    Nowadays, the increasing use of power electronics equipment origins important distortions. 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. This deviation from the ideal wave is reflected by the harmonics and, although its effects vary depending on the type of load, it affects the efficiency of an electrical system and can cause considerable damage to the systems and infrastructures. Ensuring optimal power quality after a good design and devices means productivity, efficiency, competitiveness and profitability. Nevertheless, nobody can assure the optimal power quality when there is a good design if the correct testing and working process from the obtained data is not properly assured at every instant; this entails processing the real data correctly. In this book the reader will be introduced to the harmonics analysis from the real measurement data and to the study of different industrial environments and electronic devices.

  • Electrical Generation and Distribution Systems and Power Quality Disturbances

    The utilization of renewable energy sources such as wind energy, or solar energy, among others, is currently of greater interest. Nevertheless, since their availability is arbitrary and unstable this can lead to frequency variation, to grid instability and to a total or partial loss of load power supply, being not appropriate sources to be directly connected to the main utility grid. Additionally, the presence of a static converter as output interface of the generating plants introduces voltage and current harmonics into the electrical system that negatively affect system power quality. By integrating distributed power generation systems closed to the loads in the electric grid, we can eliminate the need to transfer energy over long distances through the electric grid. In this book the reader will be introduced to different power generation and distribution systems with an analysis of some types of existing disturbances and a study of different industrial applications such as battery charges.

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