NDLI: Lumped parameter magnetic circuit model for fractional-slot concentrated-winding interior permanent magnet machines

Content Provider	IEEE Xplore Digital Library
Author	Tangudu, J.K. Jahns, T.M. EL-Refaie, A. Zhu, Z.Q.
Copyright Year	2009
Description	Author affiliation: GE - Global Research Center, Niskayuna, NY, USA (EL-Refaie, A.) \|\| University of Sheffield, UK (Zhu, Z.Q.) \|\| University of Wisconsin - Madison, USA (Tangudu, J.K.; Jahns, T.M.)
Abstract	This paper presents a simplified lumped-parameter magnetic circuit model (MCM) of a fractional-slot concentrated-winding (FSCW) interior permanent magnet (IPM) machine that provides rapid estimates of machine performance for use in machine design optimization software. This model incorporates several key nonlinear phenomena including (i) magnetic saturation; (ii) cross-saturation effects between the d- and q-axes affecting both flux linkages and inductances; (iii) stator slotting effects; and (iv) localized effects due to rotor bridges. A coupled permeance element is proposed that captures the cross-coupling saturation effects along with airgap modeling that captures both radial and tangential airgap flux densities. The MCM is configured to predict key machine performance variables including airgap flux densities, back-EMF, phase and dq-axis inductances, characteristic current, and torque. Finite element (FE) analysis results are presented that match the MCM results quite closely, building confidence in the MCM model.
Starting Page	2423
Ending Page	2430
File Size	1154739
Page Count	8
File Format	PDF
ISBN	9781424428939
DOI	10.1109/ECCE.2009.5316069
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic flux Software performance Permanent magnets Design optimization Permanent magnet machines Couplings Fractional slot concentrated winding Electric machines Stators Cross-coupled permeances Power capacitors Magnetic circuits Saturation magnetization
Content Type	Text
Resource Type	Article

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