CorPower Ocean AB was founded in 2009 to develop Wave Energy Converters (WEC). CorPower founder Stig Lundbäck, MD, spent most of his life studying the pumping principles of the human heart. He invented the Dynamic Adaptive Piston Pump Technology (DAPPT) in 1984, and used his comprehensive knowledge to imagine and construct a Wave Energy Converter based on similar principles. The highly efficient converter has recently been combined with a novel phase control technology invented by Ph.D. Jørgen Hals Todalshaug of NTNU in Trondheim. The WaveSpring technology has shown game-changing performance set to revolutionize wave power. It is a result of research on phase controlled point absorbers that has been conducted in Trondheim since the 1970s.
CorPower Ocean
CorPower Ocean
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https://www.startus.cc/company/corpower-ocean
Vallhallavägen 79, 5tr
114 28 Stockholm
Sweden 
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The CorPower Wave Energy Converter
Product category:
Renewables & Environment
The resonant Wave Energy Converters developed by CorPower Ocean has a heaving buoy on the surface absorbing energy from the combined surge and heave motion of the waves. The WEC is connected to the seabed using a taut mooring line. It has a pneumatic pre-tension module between the mooring line and the buoy to enable a lightweight system with high natural frequency of oscillation. Phase control by the novel WaveSpring technology makes the system inherently resonant over a broad range of wave periods, strongly amplifying the motion and the power capture. The benefit is a significant reduction of the required buoy size compared to a conventional gravity balanced WEC without phase control, and improved survivability by the ability of detuning the device in storms.
WaveSpring Technology
Product category:
Renewables & Environment
The WaveSpring technology provides phase control by a negative spring arrangement that inherently widens the response bandwidth of point absorbers without the need for real-time wave information or prediction algorithms. The negative spring module acts directly on the linear mechanism of the buoy. This avoids the losses associated with transmitting large reciprocating energy flows through the PTO system, a challenge that has limited the practical use of phase control methods known as reactive control.
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Vallhallavägen 79, 5tr
114 28 Stockholm
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