Friday, July 01, 2011: 01:13:42 PM

Polyurethane System from Bayer MaterialScience Enables Intelligent Energy Generation

A Spanish company Kliux Energies - Geólica Innovations SL has developed a completely new, intelligent technology for harnessing wind energy. The system is based on special rotors positioned vertically so that they are always facing the wind. The Kliux wind turbines can be installed in virtually any location to generate electricity for local consumption. An integral skin foam based on the Baydur® polyurethane system from Bayer Material Science was selected as the material for the rotor blades because it met the exacting demands of strength and lightweight design.

The business of manufacturing and installing small wind turbines is recording double-digit growth rates in two areas, in particular. In developed countries, these are being used in the development of smart grids with decentralised energy generation, while in developing countries and emerging markets they are preferred in regions without electricity supplies and as a substitute for small power plants.

The new wind turbines are very efficient, generating electricity from wind speeds of just four meters per second. The energy produced can either be stored in batteries until it is needed or fed directly into an existing grid. The system has a nominal output of 4 kilowatts, which means that it covers the average power consumption of a detached house.

‘The unique aerodynamic shape of the rotor ensures smooth rotation and continuous energy generation, even with varying or strong winds,’ says Iñaki Eguizábal, founder and CEO of Kliux Energies - Geólica Innovations. In addition to developing and patenting the rotor, the company has also proven the performance of the system in wind tunnel tests and computer simulations. The wind turbines are nine meters high including the mast.

At present, Kliux Energies is working on a mini version of the wind turbine that is just 50 cm high. It is intended as a mobile solution for boats, trailers and camping sites and for sustainable lighting in public spaces.

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