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RENEWABLE ENERGY
Prepared byMathankumar.S
Assistant Professor, Department of EEE,
V.M.K.V.E.C, Salem
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Routed in harnessing the renewable energyresources for sustaining the green environment.
Never be exhausted.
less emission naturally.
Predominant sources are sun, wind, water,agricultural residues, firewood and bio waste,etc.,
Non Conventional Energy
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A race is going on throughout theworld in harnessing the renewableenergy resources.
Technologically advanced countrieshave made rapid strides in this area.
Efforts to increasing energyrequirements in our country.
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Total powerGenerationTW-h/year
Non RenewablePower PlantConstitute
Renewable PowerPlant Constitute
855 88.55% 11.45%
Electricity sector in India
India generated 855 BU (855 000 MU i.e. 855 TWh)During 2011 - 2012
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Rank CountryTotal
TW-h/year
HydroElectricityTW-h/year
WindPower
TW-h/year
Biomass &Waste
TW-h/year
SolarTW-
h/year
GeoThermal
TW-h/year
1 China 797.4 687.1 73.2 34 32 United States 520.1 325.1 119.7 56.7 1.81 17.0
3 Brazil 459.2 424.3 2.71 32.2 0.0002
4 Canada 399.1 372.6 19.7 6.4 0.43
5 India 162.0 131.0 26.0 4.0 1.0
The chart furnished below shows
where we are standing in harnessingthe renewable source of energy
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Potential of producing solar
Energy - 5000 Trillion kWh/year
Our Performance -
Only 1 TW-h/year (Very Dismal)
From the Chart
Our Country
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Tamilnadu Electricity Status
Total PowerDemandin MW
Total power
Generation(TNEB)in MW
Purchasingthe Power
in MW
RemainingPowerin MW
10873 3615 600(From
Private)
7258(From
Central Grid)
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Power Generation in
TamilnaduHydro
PowerPlantin MW
Thermal
PowerPlant inMW
Wind
PowerPlant inMW
EB GasTurbine
PowerPlant
in MW
Total
PowerGenerationin MW
415 2600 350 250 3615
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Solar energy is the most readilyavailable source of energy.
Non-polluting
Lessening the greenhouse effect.
Solar Energy
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Energy generated fromcarbonaceous waste ofvarious human and naturalactivities.
Biomass Energy
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It does not add carbon dioxide to the atmosphere.
Generate electricity with the same equipment.
Biomass is an important fuel worldwide after coal, oiland natural gas.
Finland, USA and Sweden the per capita biomassenergy used is higher than in India.
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Biomass fuels used in India account for about 1/3ofthe total fuel used.
Most important biomass fuel used in- Over 90%of the rural households &
- Around15%of the urban households.
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A mini biogas digester has recently developed,and is being in-field tested for domestic lighting.
Indian sugar mills (Around 430 Mills) arerapidly turning to biogas, to generate electricity.
This is mainly being done toClean up the environment
Cut down power costs &
Earn additional revenue.
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Fuel cells are electrochemical devices.
Used in space flights and electric vehiclesare the best option available todramatically reduce urban air pollution.
Fuel cells for power generation India hasa large gap between the demand for andsupply of power.
Ecological and Environmental impacts.
Fuel cells
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The energy in the flowing water can beused to produce electricity.
Local industries should be encouraged
to use this electricity for sustainabledevelopment.
Eliminates most of the negative
environmental effects
Hydel Energy
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Geo (Greek for earth) Thermal (heat)
Geothermal energy is homegrown.
Different Geothermal Energy SourcesHot Water Reservoirs
Natural Stem Reservoirs
Geopressured Reservoirs
Geothermal Energy
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Geothermal plants do not require a lot ofland, 400m2 can produce a gigawatt ofenergy over 30 years.
One well blew its top 10 years after itwas built, and this threw hundreds oftons of rock, mud and steam into theatmosphere.
Emission of Low Quantities ofGreenhouse Gasses
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In India, Northwestern Himalayasand the western coast areconsidered geothermal areas.
The Geological Survey of India hasalready identified more than 350hot spring sites, which can beexplored as areas to tap
geothermal energy.
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Wind energy is the kinetic energy associated withthe movement of atmospheric air.
India ranks 5th in the world with a total windpower capacity .
present utilization is only 26 TW-h/year.
The present increasing utilization of wind energyis highly supplementing our energy requirements.
Wind Energy
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Five Nations Germany, USA, Denmark,Spain and India account for 80% of theworldsinstalled wind energy capacity.
Wind energy continues to be the fastestgrowing renewable energy source withworldwide.
Benefit of our farming community.
Improving the quality of life of ourfarmers.
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Wastage in power Generation & transmission
Energy losses
Grid interactive failure and
Deprived power management
Present problems
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Combining the difference sources ofrenewable energy (hybrid energy).
Hybrid Grid interactive.
Renewable energy is the ultimate energyfor sustaining human life in this planet.
Find out the Possibilities
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