Tuesday, May 3, 2011

Learn how Wavestar will be testing new power take-off systems for wave energy

A 500kW test-bench for developing and testing full-scale Wave Energy Converters is currently being constructed at Aalborg University. The concept of the test-bench is to let a large hydraulic cylinder emulate the incoming waves, exerting a wave energy converter. In this way, wave energy converters can be developed and tested in a controlled laboratory environment, reducing the amount of expensive off-shore testing. Furthermore, different wave scenarios can now can be generated and repeated at request, without having to wait for mother-nature.

Powering the test-bench is a 350kW hydraulic power-station, giving the bench a peak capacity of 500kW, and a force capability of 80 ton of pressure. The test-bench is developed together with Wavestar, who intends to use it for testing new innovative power take-off systems. The power take-off system is the heart of a wave energy device, being the technology converting the captured wave motion into electricity.

Wavestar is the strongest wave power concept. It leads the race to turn ocean power into unlimited clean energy. Test and research machines have been operating in the North Sea and the Danish fjords since 2006 and they are the first wave energy machines to be connected to the grid. The commercial 500 kW machine will soon go into production. Wavestar will work in harmony with other clean energy methods to support the movement towards alternative and sustainable energy.

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