Analysis, Design and Testing of a Novel Direct-Drive Wave Energy Converter System

Markus Mueller, Richard Crozier, Helen Bailey, E. Spooner, P. McKeever

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract: 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 finite element analysis and from the WAMIT wave interaction simulation software. Test results of a generator prototype for comparison with the electromechanical simulation are presented.
Results from wave tank tests of a full system incorporating the power take-off are also provided for comparison with the hydrodynamic model.
Original languageEnglish
Pages (from-to)565 - 573
Number of pages8
JournalIET Renewable Power Generation
Volume7
Issue number5
DOIs
Publication statusPublished - 2 Mar 2013

Keywords

  • power convertors
  • difference equations
  • time-domain analysis
  • wave power generation
  • power engineering computing
  • finite element analysis
  • hydrodynamics

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