A New Switched Flux Machine Employing Alternate Circumferential and Radial Flux (AlCiRaF) Permanent Magnet for Light Weight EV

Jenal, Mahyuzie; Sulaiman, Erwan; Kumar, Rajesh

doi:10.4283/jmag.2016.21.4.537

Cited by 9 publications

(5 citation statements)

References 15 publications

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“…For this reason, the design procedures for the proposed PMFSM has chosen to work on the rotor pole associated with magnetic loading so as to increase its flux profile while every other parameter is kept constant with electrical loading. The effect of pole shaping enhances an increase in torque which will also boost the performance [3][4][5][6][7]. Similarly, consideration was taken to design appropriate rotor segment.…”

Section: Design Specifications and Electrical Supply Restrictions Of mentioning

confidence: 99%

“…Along the line, cost of fuel started to rise up and the need for fuel economy became necessary for everyone. For this reason, hybrid electric scooter was developed [6][7][8][9]. Hybrid electric vehicles are automobiles using equipped with combustion engine using fossil oil and electric motor together, for propulsion drive [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

“…In the same mode, outer rotor PMFSM motor had been proposed for in-wheel [31]. Meanwhile, all the designs mentioned above have so far been in salient rotor pole [1][2][3][4][5][6][7][8][9][10][11][12][13]. In this paper, PMFSM employing an unconventional segmented rotor (Segor-PMFSM) is presented for in-wheel application.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Performance of Flux Switching Motor in Segmented Rotor Using Permanent Magnet For Direct Drive

Mbadiwe¹,

Sulaiman²

2018

IJET

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The torque action provided by combustion engine in conventional vehicles has been boosted by added electric motor, a device which also provide torque, for fuel economy in hybrid electric vehicle. Meanwhile, the complicated nature of combustion engine still poses economic imperatives as petroleum resources are getting depleted. Interestingly, vehicles propelled by electric motor powered by electricity, will completely eliminate combustion engine using fossil oil and also provide clean and reliable vehicles for personal transportation. Since electric motor is a core component, high torque motors are necessary for direct drive application. This papers presents a feasible 24 stator - 10 rotor segments flux switching motor (FSM) using 1 kg weight of PM. FSM is advance form of synchronous machine with double frequency that locates all active materials on the stator only. Permanent magnet (PM) flux source is chosen because it offers loss free excitation without external circuit connection. The JMAG® Studio tool version 14.1 was employed for 2D- FEA design and performance investigation of motor in terms of cogging torque and average torque. Finally, simulation result of proposed motor successfully achieved 352Nm and constant power of 36kW projecting it as viable candidate for high torque necessary for direct drive application.

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Section: Design Specifications and Electrical Supply Restrictions Of mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Evaluation of Performance of Flux Switching Motor in Segmented Rotor Using Permanent Magnet For Direct Drive

Mbadiwe¹,

Sulaiman²

2018

IJET

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“…Instead of PMs, field winding has been engaged in these types of motors to create flux linkage in the armature coil, henceforth, it decreases the cost and volume of PMs. Nevertheless, these machines face the problems of low torque density and efficiency because of less magnetic flux strengthening and high copper losses [28–30].…”

Section: Introductionmentioning

confidence: 99%

Design and performance analysis of various high torque segmented rotor HE‐FSM topologies for aircraft applications

Ali

Sulaiman

Kosaka³

2020

IET Electric Power Applications

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Electrical machines for aircraft applications require basic characteristics such as lightweight, high reliability, fault tolerance ability, and torque power and higher densities. Correspondingly, hybrid excitation flux switching machines (HE‐FSMs) are capable of producing significant characteristics of high torque and power by improving flux strengthening in the iron core. However, magnetic flux cancellation and leakage in HE‐FSMs cause the reduction of flux linkage created by permanent magnet (PM) and field excitation (FE), which leads to deterioration of electromagnetic torque. This study presents magnetic flux performance and comparison of various topologies of HE‐FSMs by employing different positions of PMs and FE coils on the stator core. The purpose of a segmented rotor is to deliver a well‐defined electromagnetic flux pathway for carrying magnetic flux to nearby armature coil on stator with rotor rotation to improve the flux strengthening. Moreover, magnetic performances of various proposed HE‐FSMs at different positions of PMs are investigated and compared based on 2D finite element analysis. Subsequently, the enhanced HE‐FSM III has successfully achieved flux strengthening of 22%, torque of 54% and power of 61% more than initial design of HE FSM I, respectively. In conclusion, the proposed HE‐FSM structures show the capability to match high torque and power for aircraft applications.

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“…However, investigation on the PMFSM has, for the most part, centered on the electromagnetic examination and optimization of the inward rotor type machines with scarcely gave careful consideration to the external rotor PMFSM [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Parametric Optimization and Performance Analysis of Outer Rotor Permanent Magnet Flux Switching Machine for Downhole Application

Kumar¹,

Sulaiman²,

Jenal³

et al. 2017

Journal of Magnetics

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To empower safe, economical and eco-friendly sustainable solution for enhancing oil and gas productivity from deep water reservoirs, new downhole technologies are recommended. Since electric machine plays leading role in the downhole application, it is a squeezing requirement for researchers to design and develop advanced electric machine. The Recent improvement in technology and uses of high-temperature magnets, permanent magnet flux switching machine (PMFSM) has become one of the appropriate contenders for offshore drilling but fewer designed for downhole due to ambient temperature. Therefore this comprehensive study deals with the design optimization and performance analysis of outer rotor PMFSM for the downhole application. Preliminary, the basic design parameters needed for machine design are calculated mathematically. Then the design refinement technique is implemented through deterministic method. Finally, initial and optimized performance of the machine is compared and as a result the output torque is increase from 16.39 Nm to 33.57 Nm while diminishing the cogging torque and PM weight up to 1.77 Nm and 0.79 kg, respectively. Therefore, it is concluded that purposed optimized design is suitable for the downhole application.

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A New Switched Flux Machine Employing Alternate Circumferential and Radial Flux (AlCiRaF) Permanent Magnet for Light Weight EV

Cited by 9 publications

References 15 publications

Evaluation of Performance of Flux Switching Motor in Segmented Rotor Using Permanent Magnet For Direct Drive

Evaluation of Performance of Flux Switching Motor in Segmented Rotor Using Permanent Magnet For Direct Drive

Design and performance analysis of various high torque segmented rotor HE‐FSM topologies for aircraft applications

Parametric Optimization and Performance Analysis of Outer Rotor Permanent Magnet Flux Switching Machine for Downhole Application

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