dams are constructed to generate electricity from water stored at a height people living in the neighbouring areas protested against it to save the flora and fauna first what type of energy is possessed by the Stored water second what is the energy transformation that take place in hydroelectric power plant third what value of people are shown by this act
Answers
Hydropower plants capture the energy of falling water to generate electricity. A turbine converts the kinetic energy of falling water into mechanical energy. Then a generator converts the mechanical energy from the turbine into electrical energy.
Hydroplants range in size from "micro-hydros" that power only a few homes to giant dams like Hoover Dam that provide electricity for millions of people.
The photo on the right shows the Alexander Hydroelectric Plant on the Wisconsin River, a medium-sized plant that produces enough electricity to serve about 8,000 people.
Parts of a Hydroelectric Plant
Most conventional hydroelectric plants include four major components (see graphic below):
DAMS:. Raises the water level of the river to create falling water. Also controls the flow of water. The reservoir that is formed is, in effect, stored energy.
Turbine:. The force of falling water pushing against the turbine's blades causes the turbine to spin. A water turbine is much like a windmill, except the energy is provided by falling water instead of wind. The turbine converts the kinetic energy of falling water into mechanical energy.
Generator:. Connected to the turbine by shafts and possibly gears so when the turbine spins it causes the generator to spin also. Converts the mechanical energy from the turbine into electric energy. Generators in hydropower plants work just like the generators in other types of power plants.
Transmission lines:. Conduct electricity from the hydropower plant to homes and business.
The amount of electricity a hydropower plant produces depends on two factors:
How Far the Water Falls. The farther the water falls, the more power it has. Generally, the distance that the water falls depends on the size of the dam. The higher the dam, the farther the water falls and the more power it has. Scientists would say that the power of falling water is "directly proportional" to the distance it falls. In other words, water falling twice as far has twice as much energy.
Amount of Water Falling. More water falling through the turbine will produce more power. The amount of water available depends on the amount of water flowing down the river. Bigger rivers have more flowing water and can produce more energy. Power is also "directly proportional" to river flow. A river with twice the amount of flowing water as another river can produce twice as much energy.
1.) the water is stored in dam at height. So it posses potential energy.
2.) When that water is brought down through narrow pipes, the potential energy is converted into kinetic energy. and that energy is then used to rotate the blades of turbine . Thus, it is converted into rotational energy . And, finally, that energy is used to generate electricity. Thus, now it is converted into electrical energy.
3.) Here villagers show thier awareness and responsibility towards their village as well as environment.
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