Volume 8 Number 3 (Mar. 2013)
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JCP 2013 Vol.8(3): 725-732 ISSN: 1796-203X
doi: 10.4304/jcp.8.3.725-732

Calculation on the Winding Factor and Armature Reaction MMF of a PMSM with 5-phase Fractional-slot Winding

Xuanfeng Shangguan, Jiaolong Zhang, and Wenli Zhang
School of Electrical Engineering and Automatization, Henan Polytechnic University, Jiaozuo, China

Abstract—In this paper, a permanent magnet synchronous machine with fractional-slot and 5-phase winding is studied. By superposing of the back EMF (electro-motive force) phasors of all coil-sides in a phase winding, the winding factor of the machine is calculated. The idea of this calculation method is a clear, and operation is easy and fast. In normal working, one-phase open-circuit fault, opencircuit fault of two adjacent phases, and open-circuit fault of two non adjacent phases states, the armature MMFs (electro-motive forces) are calculated, and the contents of their harmonics are analyzed, the forward and reverse rotating MMFs are discussed. The drawn results can be applied to analyze the running states of the machines, guide machine design and control.

Index Terms—winding factor, magnetic-motive force, fractional-slot, 5-phase winding, fault state

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Cite: Xuanfeng Shangguan, Jiaolong Zhang, and Wenli Zhang, " Calculation on the Winding Factor and Armature Reaction MMF of a PMSM with 5-phase Fractional-slot Winding," Journal of Computers vol. 8, no. 3, pp. 725-732, 2013.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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