| After-sales Service: | Installation Guide Service |
|---|---|
| Warranty: | 1 Year |
| Output Type: | AC Three Phase |
| Size: | Medium |
| Type: | Horizontal Hydro Generator |
| Bearing Support: | Umbrella Type |
| Customization: |
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Bulb turbines are a type of hydro turbine. In present scenario a tidal energy system whose name comes from the framework of the high flow watertight outer configuration, which is the arrangement where the DC or AC generator positioned in the horizontal axis and is mount within the water tube as an essential unit with the turbine. This set up can offer a noteworthy reduction in dimensions, price, and construction as there is a low need for excavation and the draft tube improves the hydraulic behavior of the bulb unit. During its working, water floods around the turbine so that its maintenance is very difficult, as water has to be barred from flowing through the turbine. So that when maintenance and preservation of the turbine or generator are needed, it has to be lifted out of the water. As a result, the turbine stops producing power for the extent of the process.
Pelton turbine is used in the hydroelectric power plant where the water available at high head i.e. 150 m to 2000 m or even more. In hydroelectric power plant it is used to drive the generator attached to it and the generator generates the mechanical energy of the turbine into electrical energy.
This is all about the Pelton turbine working, main parts, application with diagram
| type | water head | install capacity |
| Francis turbine | 20-300M | 50KW-20MW |
| Pelton turbine | 80-1000M | 50KW-20MW |
| kaplant turbine | 3-45M | 50KW-10MW |
| Turgo turbine | 30-400M | 50KW-10MW |
The operation of a Pelton turbine is fairly simple. In this type of turbine, high speed jets of water emerge from the nozzles that surround the turbine. These nozzles are arranged so the water jet will hit the buckets at splitters, the center of the bucket where the water jet is divided into two streams. The two separate streams then flow along the inner curve of the bucket and leave in the opposite direction that it came in. This change in momentum of the water creates an impulse on the blades of the turbine, generating torque and rotation in the turbine.[3]
The high speed water jets are created by pushing high pressure water (such as water falling from high heads) through nozzles at atmospheric pressure. The maximum output is obtained from a Pelton turbine when the impulse obtained by the blades is maximum, meaning that the water stream is deflected exactly opposite to the direction at which it strikes the buckets at. As well, the efficiency of these wheels is highest when the speed of the movement of the cups is half of the speed of the water jet.
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