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Energies 2018, 11(11), 3067; https://doi.org/10.3390/en11113067

Validation of a Coupled Electrical and Hydrodynamic Simulation Model for a Vertical Axis Marine Current Energy Converter

Department of Engineering Sciences, Uppsala University, P.O. Box 534, 751 21 Uppsala, Sweden
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Received: 28 September 2018 / Revised: 30 October 2018 / Accepted: 30 October 2018 / Published: 7 November 2018
(This article belongs to the Special Issue Offshore Renewable Energy: Ocean Waves, Tides and Offshore Wind)
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Abstract

This paper validates a simulation model that couples an electrical model in Simulink with a hydrodynamic vortex-model by comparing with experimental data. The simulated system is a vertical axis current turbine connected to a permanent magnet synchronous generator in a direct drive configuration. Experiments of load and no load operation were conducted to calibrate the losses of the turbine, generator and electrical system. The power capture curve of the turbine has been simulated as well as the behaviour of a step response for a change in tip speed ratio. The simulated results agree well with experimental data except at low rotational speed where the accuracy of the calibration of the drag losses is reduced. View Full-Text
Keywords: marine current energy converter; control system; vertical axis turbine; permanent magnet synchronous generator; load control; vortex model; coupled model marine current energy converter; control system; vertical axis turbine; permanent magnet synchronous generator; load control; vortex model; coupled model
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Forslund, J.; Goude, A.; Thomas, K. Validation of a Coupled Electrical and Hydrodynamic Simulation Model for a Vertical Axis Marine Current Energy Converter. Energies 2018, 11, 3067.

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