The unit is perfectly self-sufficient, takes up little space and can be easily moved. The hydraulic circuit essentially consists of a high-head centrifugal pump, a flow meter, two pressure gauges theturbine with the transparent end shield, a supply tank and the connecting pipes. An electrically operated centrifugal pump transfers the water under pressure from the main tank to the turbine, simulating thehigh drop and low flowrate conditions as are typical of Pelton turbines. Pelton Turbine Study Unit study unit has been designed for a complete range of tests on Pelton type hydraulic turbines. The purpose of the system is to enable the students to work out the power and torque curves of a Pelton turbine. Next to the nozzle control hand-wheel there is aprofile reproducing the nozzle and the distributor needle on a 1 to 1 scale. A nozzle and a Double needle with hand-wheel control permit the fine adjustment of the turbine supply flow, whilst a jetdiverter makes it possible to prevent exceedingly high runaway velocities.
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The measurements, which can be performed varying the operation conditions, can be easily compared with data resulting from the theory. The educational Mini-Pelton action turbine allows to study the typical parameters of action turbines. The group is supplied with manuals which describe all parts of the Pelton Turbine Study Unit Bench Top Model unit, the installation and utilisation procedures, aswell as many exercises with the relative results. The plant is easy to control and needs a little periodic maintenance.
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