Cogging Force Minimization in a Coupled Permanent Magnet Linear Generator for Sea Wave Energy Extraction Applications

The paper analyzes permanent magnet geometry effects on cogging force of permanent magnet linear generators. The dynamic modeling of the generator's performance is based on sensitivity analysis technique and finite-element representation. The generator is coupled to a particular mechanical syst...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2009-03, Vol.45 (3), p.1246-1249
Main Authors: Kimoulakis, N.M., Kladas, A.G., Tegopoulos, J.A.
Format: Article
Language:English
Subjects:
Character generation
Cogging
Cogging force
Couplings
Cross-disciplinary physics: materials science
rheology
Dynamic tests
Electromagnetic forces
Exact sciences and technology
Extraction
Forging
Generators
linear generator
Magnetic analysis
Magnetism
Materials science
Mechanical systems
Minimization
Optimization
Other topics in materials science
Performance analysis
Permanent magnets
Physics
Power generation
power generation from sea waves
Sensitivity analysis
Stators
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Description
Summary:The paper analyzes permanent magnet geometry effects on cogging force of permanent magnet linear generators. The dynamic modeling of the generator's performance is based on sensitivity analysis technique and finite-element representation. The generator is coupled to a particular mechanical system for sea wave energy extraction applications. The proposed methodology involves minimization of cogging force through parametric sensitivity analysis on alternative magnet profile configurations.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2012581