Comparison Study of Various Motors for EVs and the Potentiality of a Ferrite Magnet Motor

Matsuhashi, Daiki; Matsuo, Keisuke; Okitsu, Takashi; Ashikaga, Tadashi; Mizuno, Takayuki

doi:10.1541/ieejjia.4.174

Cited by 17 publications

(6 citation statements)

References 2 publications

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“…In Ref. [13], the author confirmed that combination both radial flux and axial flux was effective in increasing the flux density. In order to achieve high torque per volume, the transverse-flux motor was proposed in Ref.…”

Section: 1mentioning

confidence: 86%

“…Some authors apply a ferrite magnet to the electric machine as an approach to be free from rare-earth materials [11][12][13]. In Ref.…”

Section: 1mentioning

confidence: 99%

“…These achievements have been highlighted by many researchers who have proposed novel approaches to improve motor performance. Three groups of topics will be introduced in this paper: optimal design methods [1][2][3][4][5][6][7][8][9], novel motor structures [10][11][12][13][14][15][16], and novel control methods [17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

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A research trend of electric machines with development of finite element analysis

Hijikata

Akatsu

2017

IEEJ Transactions Elec Engng

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Finite element analysis (FEA) has rapidly developed in the past three decades. In case of the magnetic field analysis, many researchers have proposed different electric machines by using FEA in order to achieve high efficiency, high torque density, low torque ripple, and so on. For further development of electric machines, this paper presents a literature survey on the state‐of‐the‐art research trends of the electric machine related to FEA in the last 3 years. © 2017 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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Section: 1mentioning

confidence: 86%

“…Some authors apply a ferrite magnet to the electric machine as an approach to be free from rare-earth materials [11][12][13]. In Ref.…”

Section: 1mentioning

confidence: 99%

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A research trend of electric machines with development of finite element analysis

Hijikata

Akatsu

2017

IEEJ Transactions Elec Engng

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“…In the literature, EVs with several types of three-phase electric motors have been proposed, such as permanent magnet synchronous motors (PMSMs), switched-reluctance motors (SRMs), and induction motors (IMs) [14][15][16]. PMSM offers high efficiency [14]. SRMs give cost-effective, but poor efficiency and high ripple torque [15,16].…”

Section: Introductionmentioning

confidence: 99%

Integrated Charger-Inverter for High-Performance Electric Motorcycles

Tuan

Phattanasak

Kreuawan³

2021

WEVJ

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A high-performance electric motorcycle (HPEM) integrated charger-inverter (ICI) with an induction motor (IM) is proposed in this article. Typical components are shared in drive and charge modes, resulting in savings of weight, volume, and cost. A two-stage ICI for AC induction motor powertrain with power factor correction (PFC) and battery charger functions is considered. Despite high voltage ripple on the DC link, a high bandwidth nonlinear controller can reject such a drawback and adequately provide a constant current or constant voltage charging process. The simulation results of 7 kW ICI are provided to validate the effectiveness and feasibility of the proposed system. Finite element analysis (FEA) determines the torque and losses of IM in charging mode.

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“…Between the two types is the inset permanent magnet rotor with higher mechanical resistance and lower eddy current loss than the surface-mounted type but lower manufacturing costs compared to interior permanent magnet structures [12][13]. The most applied type as a traction motor for electric vehicles is the interior PMM [14].…”

Section: Introductionmentioning

confidence: 99%

Characteristics analysis of interior and inset type permanent magnet motors for electric vehicle applications

Irasari¹,

Wirtayasa²,

Widiyanto³

et al. 2021

J. Mechatron. Electr. Power Veh. Technol.

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Permanent magnet motors (PMMs) are widely used in electric vehicles because of their benefits. Based on the permanent magnet topologies on the rotor, PMMs are classified into three types: surface mounted PMM, inset PMM, and interior PMM. This paper discusses a comparison of the characteristics of interior and inset types of PMMs for electric vehicle applications. The study aims to find out the effect of the rotor construction on the magnetic characteristics, torque-speed characteristics, and cogging torque. Simulations were carried out analytically and numerically using the FEMM 4.2 software. The simulation results at the base speed show that the interior PMM generates a higher torque but with a lower rotation, namely 56.47 Nm and 3162 rpm, respectively, while the inset PMM produces higher rotation 4200 rpm but lower output torque of 46.01 Nm. However, with a higher saliency ratio, the interior PMM produces higher maximum torque and speed at both constant torque and field weakening regions than the PMM inset, which is 92.87 Nm and 6310 rpm, consecutively. In terms of cogging torque, the interior PMM raises it slightly higher (2.90 Nm) than the inset PMM (1.93 Nm). The results conclude that, in general, the interior PMM shows better performance in all studied regions and is preferable for electric vehicle applications.

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Comparison Study of Various Motors for EVs and the Potentiality of a Ferrite Magnet Motor

Cited by 17 publications

References 2 publications

A research trend of electric machines with development of finite element analysis

A research trend of electric machines with development of finite element analysis

Integrated Charger-Inverter for High-Performance Electric Motorcycles

Characteristics analysis of interior and inset type permanent magnet motors for electric vehicle applications

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