08-16-2017, 08:56 PM
The Pelton wheel is an impulse water turbine. It was invented by Lestar Alone Pelton in the year 1870 s. The Pelton wheel draws impulse energy from moving water, as opposed to the dead weight of water as the traditional over water wheel. The water flowing from these wheels normally still had high speed, taking much of the dynamic energy brought to the wheel.
* Direct nozzle, high-speed water currents against a rotating series of tipped buckets, also known as thrust blades that are mounted around the circumference of the rim of a drive wheel is also called as a "runner ".
APPLICATIONS:
* The Pelton wheel is the preferred turbine for the hydroelectric plant.
* The available water source has relatively high "hydraulic head" at flow rates where the pelton wheel is more efficient.
Thus, more power can be drawn from a source of water with high pressure and a flow of low pressure than from a source with low pressure and high pressure.
* The largest unit can have up to 200 megawatts.
* There are small units that are recommended for use with 30 feet almost 9.1M or more than or in order to generate significant power levels, depending on water flow and design.
* Pelton wheels work best with heads 49-5905 feet near 1799.8 and although their limits.
TYPES OF TURBINE
1) According to the action of the waterONLINE NOTEBOOK
I) Impulse turbine
Ii) Reaction turbine
In this turbine all available
I) IMPULSE Turbine:water energy is converted into kinetic energy. This is achieved in one or more nozzles. The jet of water from the nozzle strikes the blades or blades attached to the periphery of the channel. The pallets change the direction of the flow.
EXAMPLE: PELTON WHEEL