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A generating station which converts heat energy of coal combustion into electrical energy is classified as:

1. hydroelectric power plant
2. Thermal power plant
3. nuclear power plant
4. solar power plant

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Correct Answer - Option 2 : Thermal power plant

Steam or Thermal Power Plants:

  • A generating station that converts heat energy of coal combustion into electrical energy is classified as a Thermal power plant.
  • The steam-electric power station is a power station in which the electric generator is steam-driven.

  • Water is heated, turns into steam, and spins a steam turbine which drives an electrical generator.

  • After it passes through the turbine, the steam is condensed in a condenser. 

  • The greatest variation in the design of steam-electric power plants is due to the different fuel sources.

  • Almost all coal, nuclear, geothermal, solar thermal electric power plants, waste incineration plants, as well as many natural gas power plants, are steam-electric.

  • Natural gas is frequently combusted in gas turbines as well as boilers.

  • The waste heat from a gas turbine can be used to raise steam, in a combined cycle plant that improves overall efficiency.


​Diesel power plants:

  • For generating electrical power, it is essential to rotate the rotor of an alternator by means of a prime mover.

  • The prime mover can be driven by different methods.

  • Using a diesel engine as the prime mover is one of the popular methods of generating power.

  • When the prime mover of the alternators is a diesel engine, the power station is called a diesel power station.

  • The mechanical power required for driving alternators comes from the combustion of diesel.

  • As the diesel costs high, this type of power station is not suitable for producing power on a large scale in our country.​


Hydropower plants:

  • Hydroelectric power plants use water (i.e it uses the kinetic energy of water).

  • Which rotates the turbine and electricity is produced.


Solar power plant:

 Solar energy is utilized to convert into electrical energy

Nuclear power plant: Nuclear energy of radioactive fuel such as uranium is converted into electrical energy.

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