Proceedings ArticleDOI
Switched flux permanent magnet machines — Innovation continues
Zi-Qiang Zhu
- pp 1-10
TLDR
In this paper, various switched flux permanent magnet machines and their design and performance features are discussed, with particular emphasis on machine topologies with reduced magnet usage or without using magnet, as well as with variable flux capability.Abstract:
This paper overviews various switched flux permanent magnet machines and their design and performance features, with particular emphasis on machine topologies with reduced magnet usage or without using magnet, as well as with variable flux capability. In addition, this paper also describes their relationships with doubly-salient permanent magnet machines and flux reversal permanent magnet machines.read more
Citations
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Journal ArticleDOI
Analysis of the Torque Production Mechanism for Flux-Switching Permanent-Magnet Machines
TL;DR: In this article, the authors investigated the principles underlying torque production in a flux-switching permanent-magnet (FSPM) machine and found that the primary torque-producing harmonics in the air-gap flux density waveform are the heterodyned harmonics of the magnetomotive force produced by the stator magnets and the air gap permeance seen by the rotor.
Journal ArticleDOI
Novel Electrical Machines Having Separate PM Excitation Stator
TL;DR: In this article, the authors proposed a partitioned stator (PS) flux reversal (FR) PM (FRPM) machine with two stators with PMs surface mounted in one stator and the armature windings located in another stator.
Journal ArticleDOI
Comparison of Wound-Field Switched-Flux Machines
Y. J. Zhou,Zi-Qiang Zhu +1 more
TL;DR: In this paper, a three-phase wound-field switched-flux (WFSF) machine was proposed and compared with the conventional 12-slot/8-pole WFSF machine with a segmented rotor.
Journal ArticleDOI
Analysis and Suppression of Zero Sequence Circulating Current in Open Winding PMSM Drives With Common DC Bus
TL;DR: In this paper, the zero-sequence circulating current in open winding permanent magnet synchronous machine (OW-PMSM) drives with common dc bus is systematically analyzed for the first time.
Journal ArticleDOI
High-Torque-Density High-Efficiency Flux-Switching PM Machine for Aerospace Applications
TL;DR: In this paper, the authors proposed a new topology called Halbach-FSPM capable of achieving an electromagnetic torque 20% higher than the C-core FSPM machine, while maintaining machine volume and phase current constant and using no more magnet material than a conventional FFPM machine.
References
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Journal ArticleDOI
Electrical Machines and Drives for Electric, Hybrid, and Fuel Cell Vehicles
Zi-Qiang Zhu,David Howe +1 more
TL;DR: In this article, the relative merits of induction, switched reluctance, and permanent-magnet (PM) brushless machines and drives for application in electric, hybrid, and fuel cell vehicles are reviewed.
Electrical Machines and Drives for Electric, Hybrid, and Fuel Cell Vehicles Induction and switched-reluctance machines can provide the needed characteristics, but permanent magnet brushless machines offer a higher efficiency and torque density.
Zi-Qiang Zhu,David Howe +1 more
TL;DR: This paper reviews the relative merits of induction, switched reluctance, and permanent-magnet brushesless machines and drives for application in electric, hybrid, and fuel cell vehicles, with particular emphasis on PM brushless machines.
Journal ArticleDOI
Analysis of electromagnetic performance of flux-switching permanent-magnet Machines by nonlinear adaptive lumped parameter magnetic circuit model
TL;DR: In this paper, a nonlinear adaptive lumped parameter magnetic circuit model is developed to predict the electromagnetic performance of a flux-switching permanent-magnet machine, which enables the air-gap field distribution, the back-electromotive force (back-EMF) waveform, the winding inductances, and the electromagnetic torque to be calculated.
Journal ArticleDOI
Advanced Flux-Switching Permanent Magnet Brushless Machines
Zi-Qiang Zhu,J.T. Chen +1 more
TL;DR: In this article, the recent development and new topologies of flux-switching machines, with particularly emphasis on the permanent magnet (PM) type, have been discussed, including winding configurations, combinations of stator and rotor pole numbers, rotor pole width, split ratio, etc.
Proceedings ArticleDOI
A novel permanent magnet motor with doubly salient structure
TL;DR: In this article, a doubly salient permanent magnet (DSPM) motor was proposed for DC induction motors, which can offer superior performance over existing DC motors in terms of efficiency, torque density, torque to current ratio, and torque to inertia ratio.