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Saturation Effects on Unbalanced Magnetic Pull in a Hydroelectric Generator With an Eccentric Rotor

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3 Author(s)
Perers, R. ; Uppsala Univ., Uppsala ; Lundin, U. ; Leijon, M.

We report an investigation of saturation effects on the unbalanced magnetic pull in a hydroelectric generator with 20% static eccentricity. We determine the magnetic pull force by the finite-element method in parallel with a simple analytical model for various no-load voltages and loads. Saturation significantly affects the magnitude of the unbalanced magnetic pull for high voltages and large loads.

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Magnetics, IEEE Transactions on  (Volume:43 ,  Issue: 10 )