Planetary gearbox features in huge hydraulic wheel
A
Brevini product story
Edited by the Engineeringtalk editorial team
Dec 24, 2001
A two-stage gearbox from Brevini's standard range is providing efficiencies approaching 96% on the largest hydraulic wheel for generating electrical power ever built
The same basic efficiency which makes Brevini planetary gearboxes the first choice for wind turbines has also resulted in their application on another form of clean generation: this time using water power.
In a truly unique application a two-stage gearbox from Brevini's standard range is providing efficiencies approaching 96% on the largest hydraulic wheel for generating electrical power ever built.
The Boga-Wasserkraftanlagen GmbH company of Bochum have supplied the Turas hydraulic wheel (or turbine) to provide power to Kasendorft, a small city near Karlsbach, in Germany.
The project stands out because of its originality and unique design, and the ability to combine technological innovation in a so-called "rural" environment.
The patented, high-efficiency turbine has a diameter of 4 metres and an absorption capacity of 300 l/s.
Manufactured from aluminium alloy, to be resistant to sea water, it the largest ever built with its own integrated transmission system.
A central part of this system is a high efficiency two-stage planetary gearbox made by Brevini.
This minimises the power losses between the main output of the wheel and the electric generator which interfaces to the Brevini gearbox by a highly efficient belt drive system.
The success of this project can be judged from the numerous awards it has received since its was commissioned.
Principal among these is the much-coveted "Bayrischer Staatspreis", which recognises the role the project plays in developing the use of renewable or alternative types of energy.
The Kasendorft turbine project is at present unique.
However, it sets a precedent for energy generation systems using natural resources.
The key to the success of these new generation mediums is to maximise the efficiency of their transmission systems.
What is becoming evident from current applications is that the planetary gearbox, with its inherent design advantages of size, weight and power, is the unit to achieve this objective.
It is fair to assume therefore, that, as alternative energy assumes a greater role in our everyday lives, the role of the planetary gearbox will grow accordingly and assume even greater importance.
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