explain schematic of hydroelectric power plant ? anyone marathi
Answers
Answer:
The above image shows the typical layout of a hydroelectric power plant and its basic components. Dam and Reservoir: The dam is constructed on a large river in hilly areas to ensure sufficient water storage at height. ... Control Gate: Water from the reservoir is allowed to flow through the penstock to the turbine.
Answer:
Dam and Reservoir:
The dam is constructed on a large river in hilly areas to ensure sufficient water storage at height. The dam forms a large reservoir behind it. The height of water level (called as water head) in the reservoir determines how much of potential energy is stored in it.
Control Gate:
Water from the reservoir is allowed to flow through the penstock to the turbine. The amount of water which is to be released in the penstock can be controlled by a control gate. When the control gate is fully opened, maximum amount of water is released through the penstock.
Penstock:
A penstock is a huge steel pipe which carries water from the reservoir to the turbine. Potential energy of the water is converted into kinetic energy as it flows down through the penstock due to gravity.
Water Turbine:
Water from the penstock is taken into the water turbine. The turbine is mechanically coupled to an electric generator. Kinetic energy of the water drives the turbine and consequently the generator gets driven. There are two main types of water turbine; (i) Impulse turbine and (ii) Reaction turbine. Impulse turbines are used for large heads and reaction turbines are used for low and medium heads.
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