Prediction of open-circuit airgap field distribution in brushless machines having an inset permanent magnet rotor topology
- 1 January 1994
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Magnetics
- Vol. 30 (1) , 98-107
- https://doi.org/10.1109/20.272521
Abstract
A 2-dimensional analytical model for predicting the open-circuit airgap field distribution in radial-field brushless machines having an inset permanent magnet rotor is developed. It accounts for flux focusing and inter-pole leakage effects and arbitrary pole-arc/pole-pitch ratios, and is also applicable to machines having a surface mounted magnet rotor. Predicted results are compared with finite element analyses, and are shown to be in good agreement.Keywords
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