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Vertical 100m Head Pelton Hydro Turbine 50HZ On Gird 5000RPM
1. Nozzle and flow adjustment device (spear)
The nozzles are used to increase the kinetic energy of the water
flow which will hit the vanes or blades attached to the runner.
The amount of water hitting the bucket is controlled by the spear.
A spear is mounted inside the nozzle to regulate the flow of water
that will hit the runner blades. The nozzle containing the spear is
pictured below.
The spear is the conical needle in the nozzle. It is operated by
handwheel or automatically in the axial direction.
When the spear is moved backward, the flow rate of the water
increases, and when the spear is pushed forward, the flow rate of
the water decreases.
2. Wheel and bucket
The runner is the rotating part of the turbine. It is a disc with a
number of evenly spaced buckets fixed around its periphery.
The bucket is made from two hemispherical bowls joined together.
Each bucket has a wall between the two hemispherical bowls, called
a diverter.
The splitter splits the jet of water hitting the bucket into two
equal parts, and the jet of water shoots out from the outer rim of
the bucket.
The bucket is designed in such a way that the flow of water hits
the bucket and deflects 160 to 170 degrees.
The blades of Pelton turbines are made of cast iron, cast steel,
bronze or stainless steel.
3. Casing
It keeps water from splashing and helps drain water into the trail.
It also acts as protection in case of any accident.
The casing of the 1000kw Pelton hydro-generator is cast iron or
prefabricated steel plate.
4. Broken Jet
When the flow of water is completely shut off by pushing the spear
forward, the amount of water hitting the runner becomes zero. But
due to the runner's inertia, the runner continues to move.
In order to stop the runner in the shortest possible time, a small
nozzle is provided that directs the water to the rear of the blade.
This type of water jet used to stop the turbine wheel is called a
break jet.
Specification
Name | Pelton Hydroelectric Turbine Generator |
Water Head | 100m |
Water flow | 0.9 m³/s |
Capacity | 700 KW |
Frequency | 50HZ |
Generator Voltage | 400V |
Layout pattern | vertical |
Material(blades) | Stainless Steel ZG0Cr13Ni4Mo |
Excitation | Brushless |
Generator Insulation | F/F |
Lifespan | 50 years |
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