Perpetuwave presents Xtracta wave energy device

Xtracta wave energy device uses hybrid float energy extraction/PTO system to produce electricity from waves.

The Xtracta design is a Hybrid Attenuator – point absorber where sequential energy pulses provided by an attenuator are combined with a wide capture width of the device.

The device comprises the light weight array of floats that harnesses the surface waves. The energy from the array is transferred via a cable to direct drive system.

A one way clutch transfers the upward motion of the floats to drive a step up gear box which then drive the common generator to improve drive train and generator utilization, according to Perpetuwave Power.

The floats’ drive train can be serviced independently, without having to remove the other floats at the power plant.

Glen Dullaway, Managing Director of Perpetuwave Power, said: “We’re really excited by the real commercial opportunities the new Xtracta technology opens the door to. We’re seeking interest from enabling partners to fast track our development program and crystalise this opportunity for wave energy to be an important contributor to our future electricity needs.”

Tony Ziemek, Perpetuwave Power’s Non-Executive Director added that the economic indicators for the device look great , and that the company is looking forward to developing their first commercial projects.

Perpetuwave Power is an Australian-based wave energy developer that has designed Xtracta wave energy technology for harnessing the electricity from wave energy.

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Image: Perpetuwave Power/Xtracta wave energy device