A power point presentation giving detailed information about Hydro-Electric Power Plant.

1. Shri Shivaji Polytechnic Institute
Parbhani
Seminar On:
Hydro-Electric Power Plant
Submitted By: Y.A.Chavan ME-3G(A1)
In the Guidance Of: Prof.V.R.Vaidya

2. Contents
Introduction
Elements of Hydro Power Plant
Construction
Working
Advantages
Disadvantages
Conclusion
References

3. Introduction
Power system mainly contains three parts, namely generation, transmission
and distribution. Generation means how to generate electricity from the
available sources. There are various methods to generate electricity but in this
article we only focused on Hydro or water (Hydro power plant).
A generating station which utilizes the potential energy of water at a high
level for the generation of electrical energy is known as Hydro-Electric Power
Station. As we know that the power plant is defined as the place where power is
generated from a given source , so here the source is hydro that’s why we called it
Hydro Power Plant.

4. Elements Of Hydro Power Plant
1st element

5. 2nd element
A water intake must be able to divert the required amount of
water into a power canal or into a penstock without
producing a negative impact on the local environment.

6. 3rd element
The water in the reservoir is considered as stored energy.
when the gate opens, the water flowing through the
penstock becomes kinetic energy, because it is in motion.

7. 4th element
The water strikes and turns the large blades of a turbine,
which is attached to a generator above it by way of shaft .
The most common type of turbine for hydropower plant is
the Francis Turbine, which looks like the big disk with
curved blades

8. 5th element
As the turbine blades turn, so do series of magnets inside
the generator. Giants magnet rotates past copper coils,
producing alternating current (AC) by moving electrons.

9. 6th element
A transformer is a device that transfers electrical energy from
one circuit to another through a shared magnetic field.

10. 7th element
In the scheme of hydropower, the role of power house is to
protect the electromechanical equipment that convert the
potential energy of water into electricity.

11. Construction

12. Working
Potential energy is the energy which a substance has
due to its position or state. The water behind a dam
has potential energy because of its position. The water
can fall from this position and exert a force over a
distance and therefore do work.
In a Hydro-power plant, the force is used to drive a
turbine, which inturn drives the electric generator.
Because gravity provides the force which makes the
water fall, the energy stored in the water is called
gravitational potential energy.

13. Advantages
Water used in plant is a renewable
energy source.
Maintenance and operation charges
are very low.
The efficiency of plant does not
change with age.
They are also useful for flood control,
irrigation purposes, fishery and
recreation.
Have a longer life(100 to 125 yrs.)
Stored water can also used for
domestic water supply.

14. Disadvantages
The initial cost of plant is very high.
Since they are located far away from the load centre,
cost of transmission lines and transmission losses will
be more.
Due to insufficient water in the reservoir, power
production may be reduced or even stopped.
Water in the reservoir is lost by evaporation.

15. Conclusion
Hydro power plant is proved to be very useful source of
renewable energy.
This power plant plays an important role to protect our
fossil fuel which is limited.
Hydro-power plant does not contain any type of
pollution.
After the generation of electricity in hydro power
plant, the price of electricity is average.
So, hydro power plants are the today’s need as a
renewable energy source.

16. References
http://www.1.eere.energy.gov/windanhydro/printable_
version/hydro_ad.html
Mr.B.Ramesh, M.E.,(Ph.D.)
Engg. Salman Ali Syed
Prof. V.R.Vaidya