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

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3 Author(s)
Kimoulakis, N.M. ; Fac. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Athens ; Kladas, A.G. ; Tegopoulos, J.A.

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.

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Magnetics, IEEE Transactions on  (Volume:45 ,  Issue: 3 )