Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 43, Issue 10, Pages 3884-3890Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2007.903275
Keywords
eccentricity; finite-element method; magnetic pull force; saturation; synchronous generator
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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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