Design of Outer-Rotor Permanent-Magnet-Assisted Synchronous Reluctance Motor for Electric Vehicles

Bozkurt, Armagan; Baba, Ahmet Fevzi; Öner, Yusuf

doi:10.3390/en14133739

Cited by 14 publications

(6 citation statements)

References 23 publications

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“…The peak power produced by the SynRM is 285 kW at 6000 rpm. Compared with the motors designed for electric vehicles presented in the literature [19,20,21], it can be said that the designed SynRM produces high torque and high power at a wide speed range successfully.…”

Section: Fig 18 Torque -Speed -Power Graph Of Synrmmentioning

confidence: 95%

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Design and Double-Stage Optimization of Synchronous Reluctance Motor for Electric Vehicles

Bekiroğlu

Esmer

2023

Electric Power Components and Systems

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In this study, a high-power synchronous reluctance motor (SynRM) was designed for the traction motor of electric vehicle (EV) and its double-stage optimization was performed. Genetic algorithm and sensitivity analysis methods were used to obtain the best design parameters of the SynRM. Double-stage optimization was carried out to minimize the torque ripple and obtain the targeted torque, speed, and power values of the SynRM. In the first stage, the genetic algorithm method was used to improve the design parameters of the stator and rotor. With the improved stator and rotor design parameters obtained using this optimization technique, it was observed that the torque ripple decreased. In the second stage, the sensitivity analysis method was used. In this method, the effect of changing the skew angle of the stator on the torque ripple was investigated. The magnetic and performance analyses of the designed motor were examined in the optimization process. Analyses were made by ANSYS Maxwell using the finite element method (FEM). It has been observed that the targeted torque, power, speed, efficiency, and torque ripple minimization values are successfully achieved when the performance analysis of the motor is performed using the best stator and rotor parameters obtained through optimization. The results showed that SynRM produces high torque and high power with high efficiency and low torque ripple over a wide speed range. It has been revealed that it is quite proper to use the designed SynRM as a traction motor of new generation electric vehicles.

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Section: Fig 18 Torque -Speed -Power Graph Of Synrmmentioning

confidence: 95%

“…The designed 1 kW PMaSynRM produced 12.87 Nm of torque at an operating speed of 750 rpm. Torque ripple was calculated as 6.96% and efficiency as 91.30% [21]. The motor torque characteristics of some commercialized new generation electric vehicles are given as follows.…”

Section: Introductionmentioning

confidence: 99%

Design and Double-Stage Optimization of Synchronous Reluctance Motor for Electric Vehicles

Bekiroğlu

Esmer

2023

Electric Power Components and Systems

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“…The study took into account the structural analysis to ensure the rotor with flux barriers can withstand the stress at higher speeds. A PM-assisted OR-SynRM is presented in [35] for IWM applications. A novel dual-rotor SynRM [36] is designed and compared with a single rotor counterpart.…”

Section: Synchronous Reluctance Motormentioning

confidence: 99%

In-Wheel Motor Drive Systems for Electric Vehicles: State of the Art, Challenges, and Future Trends

et al. 2023

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Recently, there has been significant attention given to the electrification of transportation due to concerns about fossil fuel depletion and environmental pollution. Conventional drive systems typically include a clutch, reduction gear, and mechanical differential, which results in power loss, noise, vibration, and additional maintenance. However, in-wheel motor drive technology eliminates the need for these components, providing benefits such as higher system efficiency, improved wheel control, and increased passenger comfort. This article offers a comprehensive review of the technology and development of in-wheel motor drives. It begins with an overview of in-wheel motor drives in electric vehicles, followed by an exploration of the types of electric motors suitable for in-wheel motor drives. The paper then presents an industrial state of the art of in-wheel motors, comparing them with conventional motor drives, and reviews the implemented power electronics, control system, and cooling systems. Finally, the paper concludes by providing an outlook on the challenges and future trends of in-wheel drive systems.

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“…Through this practice, optimal efficiency can be achieved at all stages. Nonetheless, the major limitation of PMS motors is that they can get demagnetized due to the heat produced during the operations [23].…”

Section: B Permanent Magnet Motormentioning

confidence: 99%

A Comparative Study on Different Motors used in Electric Vehicles

Ahmed¹,

Zaidi²,

Khan³

2022

JISR-C

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Motors are the main part of the drivetrain of electric vehicles (EVs) as they transfer the power of batteries to the axle and tires. Therefore, the performance of batteries is a great concern as loss of energy, or lower torque/speed can cause a negative impact on the performance of EVs. In this regard, this study aimed to study different motors that are used in EVs. These motors include DC motors (brushed and brushless), permanent magnet motor motors(BLDCs), switched reluctance motors (SRMs), induction motors(IMs), and outer rotor motors. This study has performed a rigorous review of past literature to examine different factors (speed, torque, efficiency, flux linkage) that affect the performance of motors in EVs. The results of the study have found that SRMs are the most efficient and reliable motors for use in EVs as they can perform in different conditions and offer benefits of low cost and high efficiency. The study has noted the performance rating of SRM to be the highest (87), while BLDCs, PMSMs, and IMs, showed a performance rating of 75, 85, and 82 out of 100. However, more research is needed in this area to enhance the performance of the motors through the development of a novel motor design to enhance efficiency and reduce cost.

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Design of Outer-Rotor Permanent-Magnet-Assisted Synchronous Reluctance Motor for Electric Vehicles

Cited by 14 publications

References 23 publications

Design and Double-Stage Optimization of Synchronous Reluctance Motor for Electric Vehicles

Design and Double-Stage Optimization of Synchronous Reluctance Motor for Electric Vehicles

In-Wheel Motor Drive Systems for Electric Vehicles: State of the Art, Challenges, and Future Trends

A Comparative Study on Different Motors used in Electric Vehicles

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