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Thermal Power Plants(Steam Power Plants)Presented by
Akshaykumar c. khapane
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INTRODUCTION
In India 65% of total power is generated by the Thermal
Power Stations.Yamunanagar Thermal Power Project is a project
of
Haryana Power Generation Corporation limited (HPGCL).It is
situated at village Kalanor In Yamunanagar. Its total
capacity is 600MW as at present with two unitsworking with
capacity.
Having two unit of2 x 300 MW = 600 MW
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Major Parts of Steam Power Plant
1. Boilers 2. Superheater
3. Turbine 4. Condenser5. Economizer 6. Air preheater
7. Chimney 8. Coal Handling Plant
9. Cooling Tower 10. Evaporator
11. Pumps
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STEAM POWER PLANTLAYOUT
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Fire Tube Boiler
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Water Tube Boiler
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STEAM POWER PLANTS
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Steam Power Plants
Electricity generation in thermal power plants
if characterized by the main source ofgeneration being firing of
coal, gas etc.
Steam is produced in a boiler, and it drives a
turbine connected to an alternator. Heat
energy is converted to electric energy withinthe so-called steam
cycle.
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Energy Conversion . . .
Fuel, Air and water produce steam in the boiler by
combustion
Steam of high temperature and pressure is
expended from high pressure to low pressure in the
turbine
Thermal energy is converted into kinetic energy and
finally mechanical energy
This mechanical energy derives the generator to
produce electricity
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Steam Power Plant can work in two
Manners
1. Production of electricity
2. Production of electricity withproduction of steam for the use
in
industry e.g. paper mills, textile mills,
sugar mills, refineries
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Efficiency . . .
2. Turbine Losses:
a. Heat rejection to Condenser 54%3. Alternator or Generator
Loss 1%
TOTAL 55%
Grand Total 71%So Efficiency = (100% - Losses)
= 100% - 71% = 29%
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Merits of Steam Power Plant
Fuel is cheaper*
Less space is required
The initial cost is less
A portion of steam can beused in various industries
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Demerits of Steam Power Plant
Maintenance and operating costs are
high Pollution of atmosphere is one of the
major problems
Water is required in huge quantity
Handling of coal and disposal of ashare difficult tasks
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References
Basic mechanical Engg. Book-By Tharker publication
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Thank you!
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