Gilkes - Pelton Hydro Turbines
From Hydropower
The Pelton Wheel maintains a high efficiency over a wide flow range. Whenever possible two or more jets are specified. This increases the high efficiency flow range. Every Gilkes turbine is selected and optimised to your site conditions in order to provide the best annual energy production figures. Pelton turbines are medium to high head free jet impulse turbines. The jet(s) strike the splitter edge of the double bucket and is turned through an angle of nearly 180% before falling under gravity into the discharge channel or tailrace. Gilkes' Pelton turbines are supplied as horizontal single and twin-jet units or vertical 3, 4 or 6 jet units.
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Products Details
- HEAD RANGE: up to 1000m
- POWER OUTPUT: up to 20MW
Efficiency
Twin or multi-jet units are specified to increase the flow range over which high turbine efficiencies can be obtained.
Gilkes Pelton runner designs have been continually improved over many years to be amongst the most efficient available.
Design for Purpose
It is possible to use one size of Pelton bucket on a range of different mean diameters. By this means the turbine can be designed to operate at maximum possible efficiency for any given set of site conditions.
Advantages of the Gilkes Pelton Turbine
- Due to the specification of superior quality materials, it can operate on silt-laden water with the minimum of wear. When wear does occur the spear tip, nozzle and deflector plate can be easily repaired and after longer periods, welding can repair the runner. All working parts are easily accessible through a detachable top cover.
- Speed-load control is usually carried out by the deflector, which ensures no pipeline surge even on full load rejection. When water economy is important, the deflector speed control can be augmented by follow-up closure of the spear.
- There is no danger of cavitation damage to the runner or casing.
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