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Radial force density and vibration characteristics of modular permanent magnet brushless ac machine

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4 Author(s)
J. Wang ; Dept. of Electron. & Electr. Eng., Univ. of Sheffield ; Z. p. Xia ; S. a. Long ; D. Howe

The radial force density harmonics and vibrational characteristics of a three-phase modular permanent magnet brushless AC machine is investigated. It is shown that, owing to the presence of a large number of low- and high-order stator space harmonic magnetomotive forces, modular machines are more likely to exhibit higher low-frequency vibrations than conventional permanent magnet brushless machines. Experimental results support the analysis and its findings

Published in:

IEE Proceedings - Electric Power Applications  (Volume:153 ,  Issue: 6 )