FABRICATION OF VERTICAL AXIS WIND TURBINE


INTRODUCTION
If the efficiency of a wind turbine is increased, then more power can be generated thus decreasing the need for expensive power generators that cause pollution. This would also reduce the cost of power for the common people. The wind is literally there for the taking and doesn't cost any money. Power can be generated and stored by a wind turbine with little or no pollution. If the efficiency of the common wind turbine is improved and widespread, the common people c ....etc

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A NEW INTERCONNECTING METHOD FOR WIND TURBINE/GENERATOR IN A WIND FARM
Presented by:
Aswin Das
EEE
College Of Engineering, Trivandrum



CONTENTS
Objectives
Introduction
Selection of site
New method
How system works
Basic equations
Measures against halt
Operating methods
Control strategies
Basic characteristics


OBJECTIVES
A new interconnecting method for wind turbine/generator is proposed.
Through this method electrical energy of ....etc

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Dear sir, i am looking for the details of variable speed wind turbine controller design. Please provide the material on the same. Thanks ....etc

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The History and State of the Art of
Variable-Speed wind Turbine
Technology

ABSTRACT
Early wind turbines used for performing mechanical work (pumping, grinding and cutting) optimized aerodynamics by being allowed to run at variable speed. Some of the earliest DC electric wind turbines were allowed to run at variable speed. With the advent of gridconnected AC turbines, rotational speeds were limited in order to control the wind turbine AC frequency output to equal the grid frequency. With the advent of se ....etc

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respected sir,i m the student of b.tech in bundelkhand university.i m a student of final year in mechanical engineering & preparing project report on dual rotor wind turbine.so if u can give me some idea or matter about the topic,i will be highly grateful to u. ....etc

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A variable-speed controller, for an existing 225 kW fixed-speed wind power generator, is presented in this paper. A sensorless direct torque control algorithm-based controller is proposed for the squirrel-cage induction generator. Generator torque reference is derived based on sensorless maximum power tracking mode algorithm, up to the base speed of the generator. A three-phase front-end converter is used here to deliver the generated power to the grid with unity-power-factor operation at all wind speeds. This algorithm is based on direct activ ....etc

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