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Hydraulic Windpark North Sea?

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In conventional wind turbines heavy generators are located at the top of a wind turbine, requiring heavy towers. As a rule of thumb: 1000 kilo less generator weight implies 1900 kg less tower weight. The Mexican researcher Antonio Jarquin Laguna wrote a simulation-based Phd thesis at the Delft university in the Netherlands to investigate if it was possible to substantially reduce nacelle weight. He explored the idea to skip the generator-at-the-top completely and replace it with a much lighter pump (ca. 50% less weight). Several wind turbines could contribute to hydraulic pressure, to be converted at a central location with a few large Pelton turbines. The gain would be lighter wind turbines.

[maritiemnieuws.nl] – Onderzoek naar ‘hydraulisch’ windpark op zee door TU Delft
[trouw.nl] – Noordzeemolens als waterkrachtcentrale
[repository.tudelft.nl] – Centralized electricity generation in offshore wind farms using hydraulic networks
[windpowerengineering.com] – Goodbye gearbox, hello hydraulics (US design 2012)
[beta.machinedesign.com] – Hydraulic Wind Turbines?
[wikipedia.org] – Hydraulic drive system
[wikipedia.org] – Hydraulic machinery
[wikipedia.org] – Hydraulic motor
[highered.mheducation.com] – Mass, Bernoulli and Energy Equations (pdf)

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