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The PowerPal LH-Series are propeller turbines with fixed runner blades and fixed guide vanes. With a nominal head of 1,5m, two different sizes with different water discharge are avaiable.
This units are designed to run on sites with low head conditions. The water will be lead into an intake canal. After passing the turbine, the water will diverted trough a conical draft tube into the lower water basign and back to the river. The direct coupled, permanent magnet generator produce 3-phase AC current. This current can be eighter used for grid connection via AC/DC coupling or to charge a battery bank of an isle grid system.
The ID* design improves the original PowerPal unit to a product, especially for the european market:
For sites with more than 2,1m head, a cascade installation of two or more turbine units can be realized. For sites with variable water discharge, our brand new Upgrade AV is now availabe for the 500´s turbines!
*ID = improved design (by Klopp & Willcox)