Introduction to wind energy systems
Energy Systems and Energy Economics, Ruhr-University Bochum P.O. Box 102148, 44721 Bochum, Germany
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This article presents the basic concepts of wind energy and deals with the physics and mechanics of operation. It describes the conversion of wind energy into rotation of turbine, and the critical parameters governing the efficiency of this conversion. After that it presents an overview of various parts and components of windmills. The connection to the electrical grid, the world status of wind energy use for electricity production, the cost situation and research and development needs are further aspects which will be considered.
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