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2620081 
Journal Article 
Design Improvement of a Single-Phase Brushless Permanent Magnet Motor for Small Fan Appliances 
Andriollo, M; De Bortoli, M; Martinelli, G; Morini, A; Tortella, A 
2010 
Yes 
I E E E Transactions on Industrial Electronics
ISSN: 0278-0046 
57 
1 
88-95 
WOS:000272723000011 
In this paper, an adaptation of a shaded pole motor operating as a single-phase brushless PM motor is studied. After properly designing the rotor PM ring to avoid demagnetization problems, a nonlinear mathematical model for performance assessment and design improvement is proposed. The calculation of the model parameters is carried out by 2-D FEM analyses suitably corrected to also take into account 3-D effects, mainly due to different stator and rotor lengths. The procedure implemented in a numerical code makes it possible to investigate significant design aspects and determine the mechanical characteristic related to motor configurations adopted for small fan appliances. 
Brushless (BL) machines; electromagnetic transient analysis; home appliances; permanent magnet (PM) motors; rotating machine transient analysis