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The PTO system is the second main component of an OWC device. It converts the pneumatic power into a desired energy source (i.e. sound or electricity). The PTO system design is very important to the efficiency of the oscillating water column. It must be able to convert airflow going both out of and into the collecting chamber into energy.
Oscillating water column: 2011–date Lifetime generation of over 3 GWh by the end of 2023. [18] Ocean RusEnergy [19] Russia Yekaterinburg: N Small-scale 2013 Pico Wave Power Plant [20] Portugal: 0.4: Oscillating water column: 2010 Runde Demo Site [21] Norway: 0.1: Oscillating water column: 2017 SDE Sea Waves Power Plant [22] Israel
It appears that this was the first oscillating water-column type of wave-energy device. [10] From 1855 to 1973 there were 340 patents filed in the UK alone. [8] Modern pursuit of wave energy was pioneered by Yoshio Masuda's 1940s experiments. [11] He tested various concepts, constructing hundreds of units used to power navigation lights.
Islay LIMPET (Land Installed Marine Power Energy Transmitter) was the world's first commercial wave power device and was connected to the United Kingdom's National Grid, in November 2000. [2] The device was initially rated at 500 kW, but this was later downrated to 250 kW.
The Mutriku Breakwater Wave Plant is a wave power plant constructed by Ente Vasco de la Energía (EVE), the Basque energy agency, in the bay of Mutriku in the Bay of Biscay. It is the world's first breakwater wave power plant with a multiple turbine arrangement. [1] The plant has a capacity of 296 kW from 16 turbo generator sets. [2]
The wave energy conversion technology developed by Energetech and later Oceanlinx uses a bi-directional airflow air turbine, turbine installed on top of an oscillating water column; this turbine concept and others were developed specifically by Oceanlinx to accommodate waver energy conversion technology. The Turbine and generator are the only ...
The Cycloidal Wave Energy Converter is a wave energy concept being developed by Atargis Energy Corporation in Colorado. The patents were filed in 2005, and the company was founded in 2010, after initial research showed potential. [67] It is a fully submerged wave termination device, located offshore, with a direct drive generator.
This slightly unconventional and relatively inefficient approach has been chosen to balance a complex mix of existing land use, water use, conservation, environmental and power generation considerations. [4] [5] The station's mean operating tidal range is 5.6 m (18 ft), with a spring tidal range of 7.8 m (26 ft).