Journal ArticleDOI
Fractional-Slot Concentrated-Windings Synchronous Permanent Magnet Machines: Opportunities and Challenges
TLDR
This paper will cover the theory and design of FSCW synchronous PM machines, achieving high-power density, flux-weakening capability, comparison of single- versus double-layer windings, fault-tolerance rotor losses, parasitic effects, compared of interior versus surface PM machine, and various types of machines.Abstract:
Fractional-slot concentrated-winding (FSCW) synchronous permanent magnet (PM) machines have been gaining interest over the last few years. This is mainly due to the several advantages that this type of windings provides. These include high-power density, high efficiency, short end turns, high slot fill factor particularly when coupled with segmented stator structures, low cogging torque, flux-weakening capability, and fault tolerance. This paper is going to provide a thorough analysis of FSCW synchronous PM machines in terms of opportunities and challenges. This paper will cover the theory and design of FSCW synchronous PM machines, achieving high-power density, flux-weakening capability, comparison of single- versus double-layer windings, fault-tolerance rotor losses, parasitic effects, comparison of interior versus surface PM machines, and various types of machines. This paper will also provide a summary of the commercial applications that involve FSCW synchronous PM machines.read more
Citations
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Journal ArticleDOI
Modular Permanent Magnet Synchronous Machine with Low Space Harmonic Content
Keyi Wang,Heyun Lin +1 more
TL;DR: The FEM results demonstrate that the proposed PMSM with a special dual three-phase (DTP) TSPW can realize low space harmonic content while retaining stator modularity.
Journal ArticleDOI
A Novel 24-Slot/10-Pole Dual Three-Phase Fractional-Slot Overlapped Winding for Low Non-Working Space Harmonics and Stator Modularization
Keyi Wang,Heyun Lin +1 more
TL;DR: This paper proposes a novel 24-slot/10-pole dual three-phase (DTP) fractional-slot overlapped winding, which can simultaneously achieve the goals of low non-working space harmonics and stator modularization and inherits the majority of the merits of conventional fractiona-slot concentrated winding (FSCW).
Proceedings ArticleDOI
Advancements in Electrical Machines Design Brought by the Modular Construction
TL;DR: In the paper a survey is made on the progresses brought by the modular construction of the electrical machines and some typical examples of the modularConstruction possibilities of some electrical machines are included.
Journal ArticleDOI
Multilayer Fractional Slot Pole-Phase Modulated Induction Motor Drives for Traction Applications
TL;DR: The generalization of PPM is revised and a fractional-slot multilayer winding (FSMLW) is proposed, which is capable to run at three different pole-phase combinations, i.e., 1:3:5 speed ratios that make it suitable for electric vehicles and locomotive applications.
Journal ArticleDOI
Consequent Pole Permanent Magnet Machine With Modular Stator
TL;DR: The elimination principle of even-order back-EMF harmonics in the modular stator (MS) is explained by the star of slots, and the MS with auxiliary winding (AW) and auxiliary teeth (AT) are proposed to improve the electromagnetic performance of the MS CP (MSCP) PM machine.
References
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Journal ArticleDOI
Synthesis of high performance PM motors with concentrated windings
Jerome Cros,Philippe Viarouge +1 more
TL;DR: In this article, the authors present a synthesis of the structures of three-phase machines with concentrated windings, and a comparative analysis of the performances of the original and traditional structures is performed by using a field calculation software.
Journal ArticleDOI
Field-weakening performance of brushless synchronous AC motor drives
Wen L. Soong,T.J.E. Miller +1 more
TL;DR: In this article, the theoretical and practical limitations to the field-weakening performance of surface permanent magnet, synchronous reluctance and interior permanent magnet motors when driven from an inverter with a limited volt-ampere rating were examined.
Journal ArticleDOI
Design considerations for fractional-slot winding configurations of synchronous machines
TL;DR: In this article, the authors presented some design considerations for synchronous machines characterized by a fractional number of slots per pole per phase, which is a smooth torque, due to the elimination of periodicity between slots and poles.
Proceedings ArticleDOI
Winding factors and Joule losses of permanent magnet machines with concentrated windings
F. Magnussen,Chandur Sadarangani +1 more
TL;DR: In this article, the authors describe methods for designing high performance permanent magnet machines with concentrated windings, including both single and double-layer configurations of concentric windings and verify their theory using FEM analysis.
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Synthesis of high performance PM motors with concentrated windings
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Winding factors and Joule losses of permanent magnet machines with concentrated windings
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