Winding configurations and optimal stator and rotor pole combination of flux-switching PM brushless AC machines / Chen, J. T. in IEEE transactions on energy conversion, Vol. 25 N° 2 (Juin 2010)  

Public ISBD [article]  inIEEE transactions on energy conversion > Vol. 25 N° 2 (Juin 2010) . - pp. 293 - 302 Titre : Winding configurations and optimal stator and rotor pole combination of flux-switching PM brushless AC machines Type de document : texte imprimé Auteurs : Chen, J. T., Auteur ; Zhu, Z.Q., Auteur Année de publication : 2010 Article en page(s) : pp. 293 - 302 Note générale : energy conversion Langues : Anglais (eng) Mots-clés : AC machines  electric potential  finite element analysis  permanent magnet rotors  stators  torque Résumé : A simple analytical method is developed to compare the combinations of stator and rotor pole numbers in flux-switching permanent magnet (PM) machines in terms of back electromotive force (EMF) and electromagnetic torque. The winding connections and winding factors of machines having all poles and alternate poles wound, and different numbers of phases, from two to six, are determined by the coil-EMF vectors. Their differences from analyzing the conventional fractional-slot PM machines with concentrated nonoverlapping windings are highlighted. The general conditions are established for balanced symmetrical back-EMF waveform. It shows that the optimized rotor pole number should be close to the number of stator poles, whereas larger torque can be obtained by the machine with relatively higher rotor pole number. The analysis is validated by finite-element analyses and experiment. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5340616&sortType%3Das [...] [article] Winding configurations and optimal stator and rotor pole combination of flux-switching PM brushless AC machines [texte imprimé] / Chen, J. T., Auteur ; Zhu, Z.Q., Auteur . - 2010 . - pp. 293 - 302. energy conversion Langues : Anglais (eng) in IEEE transactions on energy conversion > Vol. 25 N° 2 (Juin 2010) . - pp. 293 - 302 Mots-clés : AC machines  electric potential  finite element analysis  permanent magnet rotors  stators  torque Résumé : A simple analytical method is developed to compare the combinations of stator and rotor pole numbers in flux-switching permanent magnet (PM) machines in terms of back electromotive force (EMF) and electromagnetic torque. The winding connections and winding factors of machines having all poles and alternate poles wound, and different numbers of phases, from two to six, are determined by the coil-EMF vectors. Their differences from analyzing the conventional fractional-slot PM machines with concentrated nonoverlapping windings are highlighted. The general conditions are established for balanced symmetrical back-EMF waveform. It shows that the optimized rotor pole number should be close to the number of stator poles, whereas larger torque can be obtained by the machine with relatively higher rotor pole number. The analysis is validated by finite-element analyses and experiment. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5340616&sortType%3Das [...]

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