Design And Rotor Geometry Analysis Of Permanent Magnet–Assisted Synchronous Reluctance Machines Using Ferrite Magnet

Zhang, Zhiwei; Zhou, Libing

doi:10.2478/jee-2015-0051

Cited by 25 publications

(5 citation statements)

References 17 publications

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“…The windings inductance is so high that removal energy saved is needed restricting the maximum current to a low range. The Block diagram operation of SRM is represented in Figure 2 of the rotor is sensed by a sensor represented by angle, 'ɵ 'when ɵ=0 starting point phase A position is un aligned to midpoint of inter polar rotor-gap faces the stator pole.at this position there is no torque and the current is passing in phase A [4][5][6][7]. A torque is required to bring rotor position from unaligned to aligned where the stator and rotor pole centres coincide if the rotor position is ectopic to other side of the unaligned position, unstable equilibrium characterises the mis-aligned situation, since the rotor is in apposition of ace value of inductance when current is passing in an aligned position there is zero torque [12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Curtailing of Torque Ripples in Switched Reluctance Motor using Nano Soft Ferrite Rotor

Kudupudi Nagesh,

D. Lenine,

P. Sujatha

2024

ARMNE

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Switched Reluctance motors (SRM) enthralled many researchers due to their coherent structure and sturdy design switched reluctance motors are, robust, reliable, fault tolerated, efficient, and maximum temperature resistant when compared to other conventional motors. The drift in the power electronic converters enhances the usage of SRM, stator and rotor consisting of projected inward and outward poles the gap between the stator and rotor causes harmonics which cause torque ripples which are deteriorating SRM drives. In this paper, a ferrite rotor is considered which is composed by the different material like nickel, manganese, copper, ferric, and aluminium by manoeuvring combustion of solution and gel method. By availing ferrite material magnetizing and demagnetizing can be done quickly which is essential for SRM rotor.

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Section: Introductionmentioning

confidence: 99%

Curtailing of Torque Ripples in Switched Reluctance Motor using Nano Soft Ferrite Rotor

Kudupudi Nagesh,

D. Lenine,

P. Sujatha

2024

ARMNE

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“…The absence of winding and magnet on the rotor of Syn-RMs leads to simplicity, robustness, low maintenance, lower rotor losses, better thermal management, and efficiency with respect to permanent magnet synchronous and induction machines (IM). Other advantages of SynRMs are less torque ripple, vibration, and noise compared to the switch reluctance machines (SRM), the high dynamic response, and widespeed range [1]- [3]. However, the challenges of poor power factor and high torque ripple have limited the widespread development of SynRMs in industrial applications [1], [4].…”

Section: Introductionmentioning

confidence: 99%

Optimized Design of Rotor Barriers in PM-Assisted Synchronous Reluctance Machines With Taguchi Method

et al. 2022

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In recent years, PM-assisted synchronous reluctance machines simplicity, robustness, efficiency, and temperature capacity (SynRMs) make them a viable alternative in various applications. The poor power factor (PF) and high torque ripple are the main challenges of SynRMs, which necessitate robust optimization improving the mentioned demerits. However, the optimization algorithms usually rely on complex analytical models; in this paper, in order to optimize, the design of experiments with the Taguchi method has been used. Taguchi is a simple and effective optimization method and requires a small number of experiments and experience. Also, to select the best combination in multi-objective optimization, the TOPSIS method has been utilized to prioritize the optimal solutions. The proposed method is evaluated by finite element analysis (FEA).INDEX TERMS Permanent magnet (PM)-assisted synchronous reluctance machine (SynRM), multiobjective optimization, Taguchi method, finite element analysis (FEA), torque ripple.

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“…The main constraints of the cage type IM are its limited overload capability, its complex rotor construction especially for the dimensions discussed here, its requirement for small air gap and poor power factor [9]. Similarly reluctance machines suffer from the requirements of small air gaps and comparatively low torque density and higher ripple [10]. In general the simple construction of the Switched Reluctance (SR) machine is attractive for high speed applications, with the potential of the machine being very cheap in a production environment.…”

Section: Electrical Motor Selectionmentioning

confidence: 99%

Design and optimization of a high power density machine for flooded industrial pump

Al-Timimy¹,

Degano²,

Giangrande³

et al. 2016

2016 XXII International Conference on Electrical Machines (ICEM)

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A note on versions:The version presented here may differ from the published version or from the version of record. If you wish to cite this item you are advised to consult the publisher's version. Please see the repository url above for details on accessing the published version and note that access may require a subscription.For more information, please contact eprints@nottingham.ac.uk Φ Abstract --This paper presents the design optimization procedure of a high power-density, permanent magnet synchronous machine for industrial pump applications. The designed machine drives an electric, oil flooded pump. In order to achieve higher torque-density, a fractional slot machine (8 poles, 9 slots) with double layer (concentrated) winding has been selected after a preliminary trade-off study, which considered several slot/pole combinations and winding configurations. The developed machine provides low torque ripple and short end windings, which contribute to lower axial length and higher efficiency. The electromagnetic performances have been evaluated by using finite element method and the lamination geometry has been optimized through a genetic. The final results are presented highlighting the achieved design targets.Index Terms-PMSM, high power density machine, finite element method, Genetic Algorithm (GA) optimization.

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Design And Rotor Geometry Analysis Of Permanent Magnet–Assisted Synchronous Reluctance Machines Using Ferrite Magnet

Cited by 25 publications

References 17 publications

Curtailing of Torque Ripples in Switched Reluctance Motor using Nano Soft Ferrite Rotor

Curtailing of Torque Ripples in Switched Reluctance Motor using Nano Soft Ferrite Rotor

Optimized Design of Rotor Barriers in PM-Assisted Synchronous Reluctance Machines With Taguchi Method

Design and optimization of a high power density machine for flooded industrial pump

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