This document discusses various non-conventional energy sources including solar energy, wind energy, bio gas energy, tidal energy, and fuel cell energy. It provides figures and descriptions of how each source can be used to generate electricity or heat. The key advantages are that these sources are renewable, pollution-free alternatives to conventional fossil fuels. However, the document also notes some disadvantages such as high initial costs, inconsistent supply, and technical challenges.
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Non conventional energy resources
1. A
PresentAtion
on
NON CONVENTIONAL ENERGY SOURCES
rajneeshkumar146@gmail.com
3. Use of solar energy for domestic purposes:-
Fig (1) solar cooker
Rajneesh Kumar
4. Solar energy as a source of power generation:-
Photovoltaic Solar Power
Fig (2) working of PV Cell
Rajneesh Kumar
5. Electricity generation using organic photo voltaic cells:-
Organic Photo voltaic cells
Bulk hetero junction photovoltaic cells
Single layer organic photovoltaic cell
Eg:-
C60
Bi layer organic photovoltaic cells & its
derivati
ves
Eg:- magnesium phthalocyanine
Eg:-copper phthal co cyanine as electron
donor and perylene tetra carboxylic
derivative as electron acceptor Rajneesh Kumar
6. Solar energy as a source for heat energy:
Capacity:
125L, 250L, 375L, 500L, 750L, 1000L
Collector Type:
Black-chrome Coated
Max. Temperature of hot water: 60属C
Life of system: 15 20 years
sun
Fig (3): Solar water heater
Rajneesh Kumar
7. Advantages:
Pollution free.
Available in plenty.
Disadvantages:
High initial cost.
It requires a large area for the system to be efficient in providing
a source of electricity.
Tata Power, a subsidiary of the famous Tata Group, is planning to set up Indias
largest solar PV power plant with a generation capacity of 50 MW. The company will
set up this plant in Mithapur, Gujarat.
Rajneesh Kumar
8. Wind Energy
Winds are caused because of two factors.
The absorption of solar energy on the earths surface and in
the atmosphere.
The rotation of the earth about its axis and its motion around
the sun.
Because of these factors, alternate heating and cooling cycles
occur, differences in pressure are obtained, and the air is
caused to move.
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9. Wind energy has potential to be used as a source of power.
This can be judged from the fact that energy available in the
wind over the earths surface is estimated to be 1.6x107 K.W
And the energy available is free and clean.
Rajneesh Kumar
12. BIO GAS ENERGY
Bio gas is generated through a process of anaerobic
degradation of Bio Mass.
Bio Mass is organic matter produced by plants, both terrestrial
(those grown on land) and aquatic (those grown in water) and
their derivatives.
It includes forest crops and residues, crops grown especially
for their energy content on energy farms and animal manure.
Unlike coal, oil and natural gas, which takes Millions of years
to form, bio mass can be considered as a renewable energy
source
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13. Cont
It can also be considered a form of solar energy as the latter is
used indirectly to grow these plants by photosynthesis.
Hence,
solar energy >Photosynthesis > Bio Mass->energy generation
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14. Use of bio gas energy for domestic purposes:-
Fig (a) fixed dome type bio gas plant
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15. Advantages of bio energy:
It burns without any smoke so it is eco friendly.
It is a renewable source of energy.
Disadvantages of bio energy:
Low production
Not economical for large scale use.
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16. TIDAL ENERGY
Tide is periodic rise and fall of the water level of the sea.
This rise and fall of water level occurs due to the attraction of
sea water by the moon.
When the water is above the mean sea level, it is called flood
tide and when the level is below the mean level, it is called
ebb tide.
These tides can be used to produce electrical power which is
known as tidal power.
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17. Tidal energy as a source of electricity generation:-
Fig (a) Fig (b)
Recently A Canadian Tidal Energy Technology Company has signed an Agreement
with Alstom Hydro for production of electricity through tidal energy.
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18. Advantages:
It is pollution free.
Renewable source of energy.
It can meet high demand of electricity.
Disadvantages:
The supply of power is not continuous as it depends upon the
timing of tides. Therefore some arrangements (double basin or
double basin with pump storage) must be made to supply the
continuous power.
High installation cost.
Rajneesh Kumar
19. FUEL CELL ENERGY
Fuel cells are electrochemical devices that combines
hydrocarbon fuel with oxygen to produce electricity and heat.
The fuel cell consist of cathode, anode and an electrolyte.
Nickel is used as a catalyst in fuel cells.
The cathode side receives oxygen from the surrounding air
and hydrogen is formed by the reforming process.
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21. Advantages:
Better than other conventional sources of energy as it is always available.
Negligible amounts of pollutants, such as NOx and SOx are produced.
Disadvantages:
Takes larger space.
The hydrogen evaporates as the insulation is not that perfect.
Rajneesh Kumar