A Multipole Synchronous Machine With Nonoverlapping Concentrated Armature and Field Windings on the Stator

This paper presents a new type of multipole synchronous machine (SM) in which 2 pa -pole armature and 2 pf -pole field windings are centrally wound around individual stator teeth. The proposed machine operates as a (2 pa + 2 pf )-pole SM by providing a magnetic coupling between the armature and fiel...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2012-06, Vol.59 (6), p.2583-2591
Main Authors: Fukami, T., Matsuura, Y., Shima, K., Momiyama, M., Kawamura, M.
Format: Article
Language:English
Subjects:
Brushless machines
Current measurement
electric machines
finite-element methods
generators
Magnetic fields
motors
rotating machines
Rotors
Stator windings
Variable speed drives
Voltage measurement
Windings
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Summary:This paper presents a new type of multipole synchronous machine (SM) in which 2 pa -pole armature and 2 pf -pole field windings are centrally wound around individual stator teeth. The proposed machine operates as a (2 pa + 2 pf )-pole SM by providing a magnetic coupling between the armature and field windings through a 2 pr -pole reluctance rotor. A 4-kVA (32 + 48)-pole prototype machine was designed and built to validate the principle of this structure. Performance characteristics of the prototype machine were simulated using 2-D finite-element analysis (FEA) and were supported by experiments. In addition, the effects of the rotor pole shape on the performance characteristics were studied through 2-D FEA simulations. The results presented provide guidelines for the optimum design of the proposed machine.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2011.2157293