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FEMM (Finite Element Method Magnetics) is a free, open source, high quality 2D finite element modelling tool extremely popular in academia for both research and teaching, particularly in the field of electrical machine design. However, FEMM suffers from being tied to the Microsoft Windows platform, and having a slow interface to external programs. This paper presents a successful project to extract...
A coupled electromechanical and hydrodynamic time-domain simulation of a direct-drive generator connected to a heaving buoy for wave energy conversion is presented. The system is based on a novel direct-drive power take-off unit referred to as snapper. The simulation is based primarily in MATLAB using its built-in ordinary differential equation solvers. These solvers act on the data derived from electromagnetic...
This paper introduces the reader to “Snapper”, a novel wave energy converter designed to increase relative velocities within the generator, thus creating the potential to reduce the size, weight and cost of the energy conversion system. “Snapper” is being developed under a €1.3million development grant awarded by the European Union's Framework 7 Programme (FP7). The objective of the project is to...
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