منابع مشابه
41.3 Wind Turbines
The development of windmills has a long tradition. Windmills were already in use in Japan and China thousands of years ago. The great irrigation systems of Babylon are thought to have been powered by windmotors. Examples of windmills erected almost 2000 years ago still exist in Egypt. 'Wind power generation was first introduced to the Western world around the 8th century A.D. By the 16th centur...
متن کاملOptimizing the arrangement and the selection of turbines for wind farms subject to varying wind conditions
The development of large scale wind farms that can compete with conventional energy resources presents significant challenges to today’s wind energy industry. A powerful solution to these daunting challenges can be offered by a synergistic consideration of the key design elements (turbine selection and placement) and the variations in the natural resource. This paper significantly advances the ...
متن کاملDirect - Drive Wind Turbines
The objective of this paper is to identify suitable generator concepts for direct-drive wind turbines by reviewing directdrive and geared generator systems. Usually, in literature, comparison of different generator systems is discussed with the criteria based on the energy yield, cost, and weight. Because direct-drive permanent-magnet machines are more superior in terms of the energy yield, rel...
متن کاملPerformance optimization of wind turbines
Improving performance of wind turbines through effective control strategies to reduce the power generation cost is highly desired by the wind industry. The majority of the literature on performance of wind turbines has focused on models derived from principles versed in physics. Physics-based models are usually complex and not accurate due to the fact that wind turbines involve mechanical, elec...
متن کاملFault Behavior of Wind Turbines
Synchronous generators have always been the dominant generation type in the grid. This fact affected both planning and operation of power systems. With the fast increase of wind power share in the grid in the last decade, the situation is changing. In some countries wind power represents already a consistent amount of the total generation. Wind turbines can be classified as non-synchronous gene...
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ژورنال
عنوان ژورنال: Science Journal of Energy Engineering
سال: 2014
ISSN: 2376-810X
DOI: 10.11648/j.sjee.20140204.12