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WIND ENERGY PPT
Post: #1

WIND ENERGY



.pptx  WIND ENERGY.pptx (Size: 314.32 KB / Downloads: 21)

WIND MILL


A Windmill is a machine which converts the energy of wind into rotational energy by means of vanes called sails or blades.
Originally windmills were developed for milling grain for food production .
Windmills used for generating electricity are commonly known as wind turbines.


WIND TURBINE


A windmill used to generate electricity is commonly called a WIND TURBINE.
The first windmills for electricity production were built by the end of the 19th century by prof.james Blyth in Scotland.
By 1908 there were 72 wind driven electric generators in Denmark from 5kw to 25kw.
By the 1930 s windmills were widely used to generate electricity on farms in the U.S.
As the 21st century began,rising concerns over energy security ,global warming & eventual fossil fuel depletion led to an expansion of interest in all available forms of renewable energy.


POWER CONTROL


A Wind turbine is designed a maximum of power at wide spectrum of wind speeds.
All wind turbines are designed for a maximum wind speed,called the survival speed,above which they do not survive.
The survival speed of commercial wind turbines is in the range of 40 m/s.
The wind turbines have three models of operation.
1.Below rated wind speed operation
2.Around rated wind speed operation
3.Above rated wind speed operation.



Connection to the electric grid


The wind turbine is connected to the grid through an inverter which takes the direct current (DC) produced by the generator of the turbine & converts it to alternating current (AC) which can be directly exported to the electricity grid network.
Post: #2
Wind energy is a form of solar energy. Wind energy (or wind energy) describes the process by which wind is used to generate electricity. Wind turbines convert kinetic energy into wind into mechanical energy. A generator can convert mechanical energy into electricity. Mechanical energy can also be used directly for specific tasks such as pumping water. The US DOE developed a short animation of wind energy that provides an overview of how a wind turbine works and describes wind resources in the United States.

Wind is a form of solar energy. The winds are caused by unequal warming of the atmosphere by the sun, irregularities of the surface of the earth, and rotation of the earth. Wind flow patterns are modified by land terrain, bodies of water and vegetation cover. This wind flow, or movement energy, when "harvested" by modern wind turbines, can be used to generate electricity.

The terms "wind energy" or "wind energy" describe the process by which wind is used to generate mechanical energy or electricity. Wind turbines convert kinetic energy into wind into mechanical energy. This mechanical power can be used for specific tasks (such as grinding grain or pumping water) or a generator can convert this mechanical energy into electricity to feed homes, businesses, schools and the like.
 

Marked Categories : seminar on wind energy ppt, wind energy ppt, clustering wind farms ppt, maximum wind power operation ppt,

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