The document discusses wind energy and provides details about:
1) How wind is formed from temperature differences and atmospheric circulation patterns.
2) How wind turbines work by converting the kinetic energy of wind into rotational energy using features like blades, generators, and towers.
3) The different types of wind turbines including variations in blades, axes, direction, and components like nacelles.
4) The process of siting and installing wind turbines as well as connecting them to electrical grids.
5) Statistics on wind energy usage globally and in India.
2. SUN The Power House Earth receives 1.74 x 10^14 KW from the sun Renewable energy The free energy in nature Non-Renewable energy The energy from fossil fuels
30. Wind Energy Policy in INDIA 80% accelerated depreciation in the first year Excise duty relief Loans through IREDA Income Tax holiday applicable to wind power as in the case of power projects Concessional import duty on specified wind turbine parts