Evaluating Alternative Linear Vernier Hybrid Machine Topologies for Integration into Wave Energy Converters

Nick J. Baker*, Mohammad A.H. Raihan, Ahmed A. Almoraya, Joseph W. Burchell, Markus A. Mueller

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This paper discusses the development of linear vernier hybrid machines for use in wave energy converters. A number of topology options are explored to reduce magnet usage and improve performance for use as a linear generator. Consequent pole, V-shape, and Halbach arrays are designed for a target 25 kW specification. A discussion of overall cost of energy produced is used to justify using efficiency and power factor to asses fixed magnet mass topology variants. A power factor improvement from 0.38 to 0.72 is presented. Physical integration of the electrical machine into wave energy converters is considered including flooded experimental results of thermal behavior and polymer bearing wear.

Original languageEnglish
Pages (from-to)2007-2017
Number of pages11
JournalIEEE Transactions on Energy Conversion
Volume33
Issue number4
Early online date4 Oct 2018
DOIs
Publication statusPublished - Dec 2018

Keywords

  • Bearing wear
  • flooded machines
  • linear generators
  • vernier hybrid machines
  • wave energy

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