Hydroelectric dam model for #school #scienceexhibition #hydropower @nakulsahuart

Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power).

Hydropower or hydroelectricity is a renewable source of energy that utilizes the energy of fast-flowing water to generate electricity. The use of hydropower for various purposes is not a modern concept; its application can be seen even a thousand years ago. The ancient people used to run the wheels with the application of waterpower to grind grains and wheat into flour. Nowadays, modern hydropower turbines are used to utilize waterpower. The hydroelectric power plants generate electricity from the potential and kinetic energy of the water. It is one of the most cost-effective methods of electricity generation, which is why it is the most preferred and widely used as compared to other methods of electricity generation. As natural sources of fuels like oil, coal, and petroleum are exhaustible, hydroelectric power plants are very useful to meet the high demands of electricity

Working Principal-
The working principle of the hydroelectric power plant is that it converts the potential energy (due to the elevation of water from the channel) and the kinetic energy (due to fast-flowing water) of the water into mechanical energy with the help of turbines. The water that is stored in the reservoir behind the dam falls through the penstock, and it strikes the blades of the turbine with high pressure, and the turbine runner starts rotating. The runner is attached to the central shaft that is connected to the generator, which eventually generates electricity, i.e., the turbine’s mechanical energy is converted into electricity through electric generators. The electrical energy obtained is then supplied for domestic or industrial uses through the transmission lines after the voltage regulation by the transformers. The electrical energy obtained through the hydroelectric plants is proportional to the rate of flow of water and the elevation drop.


Material used –
Plywood -100
Empty can -20
Water tap - 40
Wooden Ice Cream Sticks -15
Barbeque Grill Wooden Stick -15
LED lights -20
Wire -20
Switch -15
Favicol -20
Chart paper - 20
Fevicryl Acrylic Colours- 30
Hot glue gun 2 sticks 30
Dc motor 30

It cost me around 380₹

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