Engineering » Energy Engineering

Electrical Generation and Distribution Systems and Power Quality Disturbances

Edited by Gregorio Romero Rey and Luisa Martinez Muneta, ISBN 978-953-307-329-3, 318 pages, Publisher: InTech, Chapters published November 21, 2011 under CC BY 3.0 license
DOI: 10.5772/1426

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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