A nuclear power plant converts nuclear energy from atomic nuclei into heat and then into electricity through nuclear fission. There are two main types of nuclear reactors - boiling water reactors and pressurized water reactors. A boiling water reactor allows water to boil inside the reactor and produce steam to spin turbines, while a pressurized water reactor uses high-pressure water that does not boil inside the reactor. Nuclear power plants have advantages of producing large amounts of low-carbon energy but also have disadvantages like radioactive waste and safety risks if not properly managed.

1. Nuclear power plant
PALPANDI K
Assistant Professor
Mechanical Department
SVCET
Virudhunagar.

2. Welcome
Nuclear power plant

3. The equipment when produce the electricity and
supplying power to a particular machine or for a
particular operation or process
POWER PLANT
A station or plant where nuclear energy is
converted into heat and produces a electricity.
NUCLEAR POWER PLANT

4. Nuclear means relating to the nuclei of atoms, or
to the energy released when these nuclei are split or
combined
Nuclear

5. NUCLEAR FISSION
When a Neutron strikes an atom of uranium, the
uranium splits into two lighter atoms and releases heat
simultaneously.

6. NUCLEAR CHAIN REACTIONS
A chain reaction refers to a process in which neutrons
released in fission produce an additional fission in at least one further
nucleus. This nucleus in turn produces neutrons, and the process
repeats.

7. Nuclear power plant
A station or plant where nuclear energy is
converted into heat and produces a electricity.
Nuclear power plant
Around the world

8. Layout of Nuclear Power Plant
Reactor
Turbine
Generator
Condenser
Steam generator
Pump

9. NUCLEAR REACTOR
A nuclear reactor is a device in which nuclear chain reactions are
initiated, controlled, and sustained at a steady rate
CONTROL RODS
Control rods made of a material that absorbs neutrtons are inserted
into the bundle using a mechanism that can rise or lower the control rods
STEAM GENERATORS
Steam generators are heat exchangers used to convert water into
steam from heat produced in a nuclear reactor core.

10. STEAM TURBINE
A steam turbine is a mechanical device that extracts thermal
energy from pressurized steam, and converts it into useful mechanical
energy
CONDENSER
Condenser is a device or unit which is used to condense
vapor into liquid.

11. Layout of NPP

12. Boiling Water Reactor - BWR
Pressurized Water Reactor - PWR
Two types of nuclear reactors that are widely
2.Pressurised Water Reactor (PWR) -
This type of reactor uses regular water as coolant. The coolant (water) is kept at very high pressure so that it does not boil. The
heated water is transferred through heat exchanger where water from secondary coolant loop is converted into steam. Thus the
secondary loop is completely free from radioactive stuff. In a PWR, the coolant water itself acts as a moderator. Due to these
advantages, pressurised water reactors are most commonly used.
1.Boiling Water Reactor (BWR) -
In this type of reactor only one coolant loop is present. The water is allowed to boil in the reactor. The steam is generated as it
heads out of the reactor and then flows through the steam turbine. One major disadvantage of a BWR is that, the coolant water
comes in direct contact with fuel rods as well as the turbine. So, there is a possibility that radioactive material could be placed
on the turbine.

13. BOILING WATER REACTOR
1.Boiling Water Reactor (BWR) -
In this type of reactor only one coolant loop is present. The water is allowed to
boil in the reactor. The steam is generated as it heads out of the reactor and then flows
through the steam turbine. One major disadvantage of a BWR is that, the coolant water
comes in direct contact with fuel rods as well as the turbine. So, there is a possibility that
radioactive material could be placed on the turbine.

14. PRESSURIZED WATER REACTOR
2.Pressurised Water Reactor (PWR) -
This type of reactor uses regular water as coolant. The coolant (water) is kept
at very high pressure so that it does not boil. The heated water is transferred through
heat exchanger where water from secondary coolant loop is converted into steam. Thus
the secondary loop is completely free from radioactive stuff. In a PWR, the coolant water
itself acts as a moderator. Due to these advantages, pressurised water reactors are most
commonly used.

15. ADVANTAGES
Nuclear power generation does emit relatively low amounts
of carbon dioxide (CO2).
This technology is readily available, it does not have to be
developed first.
It is possible to generate a high amount of electrical energy in
one single plant

16. DISADVANTAGES
The problem of radioactive waste is still an unsolved one.
High risks: It is technically impossible to build a plant with
100% security.
The energy source for nuclear energy is Uranium. Uranium is
a scarce resource, its supply is estimated to last only for the
next 30 to 60 years depending on the actual demand.

18. Nuclear effect

19. Conclusion
Even thought power production through fission power plant
is considered better than the conventional thermal power plant but
its has its own disadvantages which if unseen can lead to disasters

20. Save tree and save water
For our future life