A design procedure for axial field switched reluctance motors

Krishnan, R.; Abouzeid, M.; Mang, X.

doi:10.1109/ias.1990.152193

Cited by 34 publications

(22 citation statements)

References 4 publications

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“…The rotor segments need to be magnetically insulated from one another in AFSSRMs and that these different parts have to be tightened in their specific positions, a nonmagnetic frame is needed. In [35,75,77,83,94], Aluminium is utilised to achieve this objective, but in [36], compact plastic is used. The important issue in selecting these materials is the very low magnetic conductance coefficient and a very low weight density but high thermal conductance.…”

Section: Design and Construction Considerations In Afsrmmentioning

confidence: 99%

Axial flux switched reluctance machines: a comprehensive review of design and topologies

Torkaman

Ghaheri

Keyhani

2019

IET Electric Power Applications

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Axial flux switched reluctance machines (AFSRMs) exhibit unique characteristics that specify their superiority over other topologies in specific applications. A number of researchers have studied the efficient design and constructed structures in different types of AFSRMs. Each of such studies seeks to produce a motor with improved characteristics. Here, a comprehensive study is performed in AFSRMs, including their design considerations, sizing equations and the structural changes. The sensitivity of parameters for efficient operation is investigated. Also, the comparisons among topologies are provided for each of the identified metrics. This study ends with a comparison summary, which shows the performance indices evaluation of different topologies to utilise in various applications.

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Section: Design and Construction Considerations In Afsrmmentioning

confidence: 99%

Axial flux switched reluctance machines: a comprehensive review of design and topologies

Torkaman

Ghaheri

Keyhani

2019

IET Electric Power Applications

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“…Therefore, the length of each air-gap is fixed at 0.5mm. Axial flux SRM with air-gap of 0.3mm has been fabricated in [7].…”

Section: Geometry Detailsmentioning

confidence: 99%

A novel technique for minimizing torque ripple in axial flux segmented rotor SRM

Madhavan

Fernandes

2011

2011 IEEE Energy Conversion Congress and Exposition

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Axial flux machine is an attractive option for inwheel electric vehicle (EV) application, which requires high ratio of outer diameter to axial length. Further, utilization of lamination material in axial flux machines is better than that of radial flux machines. In order to reduce cost, magnet-less machines are desirable. In view of all these factors a singlestator, dual-rotor, three-phase axial flux segmented rotor switched reluctance motor (AFSSRM) with toroidal windings was recently proposed [1]. It was observed that torque ripple is high in this machine. In this paper, a simple and effective technique to reduce torque ripple in AFSSRM is proposed. Two rotors of AFSSRM are circumferentially displaced with respect to each other. It is analytically proved that torque ripple can be reduced using this technique. This is also verified by finite element method (FEM) analysis based simulation studies. It is observed that the torque ripple is reduced by 54.6%. Effect of rotor displacement on axial attraction forces is also discussed.

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“…Output torque of AFSSRM is calculated using the sizing equations [6]. Average torque developed by double sided AFSSRM is given by,…”

Section: A Sizing Equations For Afssrmmentioning

confidence: 99%

A novel axial flux segmented SRM for electric vehicle application

Madhavan

Fernandes

2010

The XIX International Conference on Electrical Machines - ICEM 2010

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Φ Abstract -A novel electric machine is proposed for electric vehicles (EV) to circumvent permanent magnet (PM) machine and to achieve the same performance by using the advantages of both axial flux topology and radial flux segmented switched reluctance motor (SRM). A 3-phase, 12/8 pole toroidal wound axial flux segmented SRM (AFSSRM) for EV application is proposed. Outer diameter and axial length of the motor are decided based on the wheel rim size of a typical scooter. Sizing equation is derived for AFSSRM. Linearized 2-D model is developed to evaluate the performance of the machine. Aligned phase inductance is calculated analytically and compared with that obtained from finite element analysis (FEA) based simulation.Index Terms-Topology, reluctance motors and road vehicle electric propulsion.

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A design procedure for axial field switched reluctance motors

Cited by 34 publications

References 4 publications

Axial flux switched reluctance machines: a comprehensive review of design and topologies

Axial flux switched reluctance machines: a comprehensive review of design and topologies

A novel technique for minimizing torque ripple in axial flux segmented rotor SRM

A novel axial flux segmented SRM for electric vehicle application

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