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close this bookEcologically Sound Energy Planning Strategies for Sustainable Development (Indian Institute of Sciences)
View the documentAbstract:
Open this folder and view contents1.0 Introduction:
View the document2.0 Energy conservation
close this folder3.0 Renewable energy sources
View the document3.1.0 Solar energy conversion modes:
View the document3.1.1 Solar water heating
View the document3.1.2 Industrial and commercial systems:
View the document3.1.3 Domestic water heating:
View the document3.1.4 Present status in Karnataka:
View the document3.1.5 Technical issues:
View the document3.2.0 Wind Energy:
View the document3.2.1 Wind energy systems:
View the document3.2.2 Economic aspects:
View the document3.3.0 Waste/Residue based energy:
View the document3.4.0 Hydro electric power and energy:
View the document4.0 Energy Planning:
View the document5.0 Integrated Renewable Energy Concepts
View the document6.0 Conclusions:
View the document7.0 References:
 

3.2.0 Wind Energy:

Wind energy is an indirect form of solar energy. About 1% of the total solar radiation that reaches earth is converted into wind energy. Wind results from the differential heating of the earth and its atmosphere by the sun. Although wind occurs universally, it is intermittent and its strength and reliability varies from one location to another. At ground level where winds are easiest to use, coastal and hill country often have stronger winds than flat inland areas. Wind energy is renewable and poses no environmental threat, particularly in windy locations. The characteristics are (a) variability in locations (b) location and site specificity (c) lower T and D losses in case of wind farms (d) relatively high initial capital costs, compared to thermal power stations (e) zero fuel costs (f) low gestation period provides quicker benefits.

The most important uses for wind energy are:

- pumping water, compressed air generation
- generation of electricity
- as a prime mover for mechanical machines

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