Question

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Write about Hydroelectric Power plant along with diagram...✌️❤️

✔️State it's advantages and disadvantages...​

Answer 1

Explanation:

In a hydroelectric power plant, the potential energy of water at higher level is converted to kinetic energy by letting it flow at a faster rate. The fast falling water rotates the turbine of the generator. Thus, kinetic energy of the water is converted into mechanical energy of the turbine. The axle of the turbine is connected to the armature of the electric generator. Thus the rotating turbine now rotates the armature in the magnetic field of the generator. As a result, mechanical energy of the rotating system of the generator is converted into electrical energy of the generator. Thus, we have electrical energy as output from the hydroelectric power plant.

Answer 2

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Hydroelectricity is the application of hydropower to generate electricity. It is the primary use of hydropower today. Hydroelectric power plants can include a reservoir (generally created by a dam) to exploit the energy of falling water, or can use the kinetic energy of water as in run-of-the-river hydroelectricity.

Advantages  

Hydropower is a fueled by water, so it's a  

clean fuel source. Hydropower doesn't  

pollute the air like power plants that burn

fossil fuels, such as coal or natural gas.

Hydropower is a domestic source of  

energy, produced in the United States.

Hydropower relies on the water cycle, which is driven by the sun, thus it's a  

renewable power source.

Hydropower is generally available as  

needed; engineers can control the flow of  

water through the turbines to produce

electricity on demand.

Hydropower plants provide benefits in addition to clean electricity. Impoundment  

hydropower creates reservoirs that offer a variety of recreational opportunities, notably fishing, swimming, and boating. Most hydropower installations are required  

to provide some public access to the reservoir to allow the public to take advantage  

of these opportunities. Other benefits may include water supply and flood control.

Disadvantages  

Fish populations can be impacted if fish cannot migrate upstream past impoundment  

dams to spawning grounds or if they cannot migrate downstream to the ocean. Upstream fish passage can be aided using fish ladders or elevators, or by trapping  

and hauling the fish upstream by truck. Downstream fish passage is aided by

diverting fish from turbine intakes using screens or racks or even underwater lights

and sounds, and by maintaining a minimum spill flow past the turbine.

Hydropower can impact water quality and flow. Hydropower plants can cause low  

dissolved oxygen levels in the water, a problem that is harmful to riparian

(riverbank) habitats and is addressed using various aeration techniques, which  

oxygenate the water. Maintaining minimum flows of water downstream of a  

hydropower installation is also critical for the survival of riparian habitats.

Hydropower plants can be impacted by drought. When water is not available, the  

hydropower plants can't produce electricity.

New hydropower facilities impact the local environment and may compete with other  

uses for the land. Those alternative uses may be more highly valued than electricity

generation. Humans, flora, and fauna may lose their natural habitat. Local cultures