The Tidal Stream Power Curve: A Case Study


J Hardisty – Energy and Power Engineering, May 2012

Abstract
It is important to understand the relationship between the ambient ebb and flood currents and the electricity generated by tidal stream power generators to minimize investment risk and to optimize power generation for distribution purposes. Such analyses no longer rely on average descriptions of the flow field or on single values for the device efficiency. In the present Paper, we demonstrate a new method involving the integration of synthesized longterm flow vectors with logistic descriptions of the device power curves. New experiments are then described with the Neptune Proteus vertical axis tidal stream power generator involving to tests at speeds to 1.5 m/s in William Wright Dock on the Humber. The results are used to derive appropriate coefficients in the logistic curve and to estimate the device’s annual electrical output

 

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Filed under Modeling, other Analytics, Resource Characterization

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