Abstract
A wind turbine is a mechanical device that uses wind energy to generate power by converting the kinetic energy of the rotor blade, Small wind turbines need to be installed with affordable cost, and it should be reliable and maintenance free small-scale wind turbines produces useful electrical energy in developing countries. And also in developed countries for autonomous applications in locations that are far away from the grid power. In the present, work the dynamic parameters of small wind turbine blade are determined by carrying modal analysis on different materials. Modal analysis of wind turbine blade made up of Aluminium PVC and composite materials is carried out to obtain Natural frequencies and corresponding mode shapes by the finite element analysis software ANASYS 14.5. Wind turbine blade is modelled by using modelling software and the model meshes with tetrahedral elements. Modal analysis of wind turbine blade is carried out by applying the fixed supports at the one end of the blade and other end left free. Five natural frequencies and five mode shapes are extracted for wind turbine blades of different materials.
Highlights
Wind energy is one of the renewable energy sources and it is growing effectively to generate electricity in affordable cost
A wind turbine is a mechanical device that uses wind energy to generate power by converting the kinetic energy of the rotor blade, Small wind turbines need to be installed with affordable cost, and it should be reliable and maintenance free small-scale wind turbines produces useful electrical energy in developing countries
The blade is the most important part in a wind turbine, which is made of composite material, PVC, and Al with an aerodynamic profile, twisted tip and varying cross sectional area along its length
Summary
Wind energy is one of the renewable energy sources and it is growing effectively to generate electricity in affordable cost. The most common and reliable type of wind turbine is horizontal axis wind turbine (HAWT), among the different types and designs, are available. A wind turbine is a mechanical device that uses wind energy to generate power by converting the kinetic energy of the rotor blade, Small wind turbines need to be installed with affordable cost, and it should be reliable and maintenance free small-scale wind turbines produces useful electrical energy in developing countries. The different sizes and shapes are available but they are all from old wind mills used to pump water and to grind grains. Today these machines are used in the world to produce the clean, affordable, and sufficient amount of electricity. Small wind turbines are used for domestic purpose, and in companies, and n remote areas, where the supply of electricity is difficult
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