Hello friends, today I am going to tell you Working Principle of Pelton Wheel Turbine, Components of Pelton Wheel Turbine, diagram of turbine, application of pelton wheel turbine, construction and working of pelton wheel turbine.:If you also want to know, then keep reading this article completely.
working principle of pelton wheel turbine
this impulse series is a special type of axial flow turbine. This Turbine is very useful to generate power at high or high top and places with less amount of water. To run this turbine, water is brought from the reservoir through a penstock tap. Penstock is a pipe of large diameter that comes out in the form of a jet in the water and strikes the blades on the periphery of the wheel in the direction of the wheel. Due to the impact of water, the wheel receives kinetic energy, it spins. The water coming out of the turbine is discharged into the discharge chamber. Its efficiency would have been up to 5%-90%.
Components of Pelton Wheel Turbine
(i) Control Device (Nozzle) – Nozzle is a piece of oblique pipe of small diameter which is attached to the end of penstock tap to convert head of water into kinetic energy. To control the amount of water in the nozzle, a prong shaped device is attached to it. This prong changes the nozzle of the nozzle by moving forward or backward, due to which the amount of water changes
(ii) Blades – their shape is like double circularity. These blades are divided into two parts by a vertical fork or edge on the circumference, which is called splitter.
(iii) Casing – In this turbine, water flows at atmospheric pressure. Therefore there is no fluid function of the casing. It only prevents water from getting here and there and prevents any accident.
(iv) Hydroulic Break – If the wheel is not stopped, the wheel will continue to spin due to inertia for a long time after the nozzle is turned off, so hydraulic brake is used to stop the wheel immediately after turning off the nozzle. is applied.
(v) Deflector – Deflector is a plate with a hole in its base. The deflector lever is connected by the pressure controller. At the normal speed of the turbine, it remains like a deflectornozzle, due to which the jet of water coming from the nozzle goes straight without any hindrance and works on the buckets of the turbine. When the water load on the turbine is reduced, the speed of the turbine increases. Then the deflector moves downwards. In this situation, the water coming out of the nozzle does not go to the jet runner (wheel) and eventually goes to the tail, because the jet does not act on the blades. So the runner’s speed decreases, he returns to his normal speed.
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