Motor System Integrated Magnetic Multiple Spur Gear and High Speed Motors for Electric Vehicle

Kohei Aiso; Kan Akatsu; Yasuaki Aoyama

doi:10.1109/ECCE44975.2020.9235657

Motor System Integrated Magnetic Multiple Spur Gear and High Speed Motors for Electric Vehicle

Kohei Aiso, Kan Akatsu, Yasuaki Aoyama

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

Magnetic gears realize the system with maintenance-free, low noise and low vibration characteristics by non-contact power transformation. However, conventional magnetic gears are not suitable for the high speed drive because of the low mechanical strength due to permanent magnets of the high speed rotor. In addition, the gear efficiency is much decreased by increasing the eddy current loss in the magnets and core loss due to the harmonic fluxes. To overcome these problems, in this research, a novel Magnetic Multiple Spur Gear (MMSG) is proposed to achieve the high efficiency and to make downsizing the system. In this paper, the performances of the torque density, the gear efficiency are evaluated by the simulation and the experiment.

Original language	English
Title of host publication	ECCE 2020 - IEEE Energy Conversion Congress and Exposition
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	68-74
Number of pages	7
ISBN (Electronic)	9781728158266
DOIs	https://doi.org/10.1109/ECCE44975.2020.9235657
Publication status	Published - 2020 Oct 11
Event	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020 - Virtual, Detroit, United States Duration: 2020 Oct 11 → 2020 Oct 15

Publication series

Name	ECCE 2020 - IEEE Energy Conversion Congress and Exposition

Conference

Conference	12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020
Country/Territory	United States
City	Virtual, Detroit
Period	20/10/11 → 20/10/15

Keywords

Magnetic gear
high speed drive
multiple motors

ASJC Scopus subject areas

Electrical and Electronic Engineering
Mechanical Engineering
Control and Optimization
Energy Engineering and Power Technology

Access to Document

10.1109/ECCE44975.2020.9235657

Cite this

Aiso, K., Akatsu, K., & Aoyama, Y. (2020). Motor System Integrated Magnetic Multiple Spur Gear and High Speed Motors for Electric Vehicle. In ECCE 2020 - IEEE Energy Conversion Congress and Exposition (pp. 68-74). [9235657] (ECCE 2020 - IEEE Energy Conversion Congress and Exposition). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE44975.2020.9235657

Motor System Integrated Magnetic Multiple Spur Gear and High Speed Motors for Electric Vehicle. / Aiso, Kohei; Akatsu, Kan; Aoyama, Yasuaki.

ECCE 2020 - IEEE Energy Conversion Congress and Exposition. Institute of Electrical and Electronics Engineers Inc., 2020. p. 68-74 9235657 (ECCE 2020 - IEEE Energy Conversion Congress and Exposition).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Aiso, K, Akatsu, K & Aoyama, Y 2020, Motor System Integrated Magnetic Multiple Spur Gear and High Speed Motors for Electric Vehicle. in ECCE 2020 - IEEE Energy Conversion Congress and Exposition., 9235657, ECCE 2020 - IEEE Energy Conversion Congress and Exposition, Institute of Electrical and Electronics Engineers Inc., pp. 68-74, 12th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2020, Virtual, Detroit, United States, 20/10/11. https://doi.org/10.1109/ECCE44975.2020.9235657

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abstract = "Magnetic gears realize the system with maintenance-free, low noise and low vibration characteristics by non-contact power transformation. However, conventional magnetic gears are not suitable for the high speed drive because of the low mechanical strength due to permanent magnets of the high speed rotor. In addition, the gear efficiency is much decreased by increasing the eddy current loss in the magnets and core loss due to the harmonic fluxes. To overcome these problems, in this research, a novel Magnetic Multiple Spur Gear (MMSG) is proposed to achieve the high efficiency and to make downsizing the system. In this paper, the performances of the torque density, the gear efficiency are evaluated by the simulation and the experiment.",

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N2 - Magnetic gears realize the system with maintenance-free, low noise and low vibration characteristics by non-contact power transformation. However, conventional magnetic gears are not suitable for the high speed drive because of the low mechanical strength due to permanent magnets of the high speed rotor. In addition, the gear efficiency is much decreased by increasing the eddy current loss in the magnets and core loss due to the harmonic fluxes. To overcome these problems, in this research, a novel Magnetic Multiple Spur Gear (MMSG) is proposed to achieve the high efficiency and to make downsizing the system. In this paper, the performances of the torque density, the gear efficiency are evaluated by the simulation and the experiment.

AB - Magnetic gears realize the system with maintenance-free, low noise and low vibration characteristics by non-contact power transformation. However, conventional magnetic gears are not suitable for the high speed drive because of the low mechanical strength due to permanent magnets of the high speed rotor. In addition, the gear efficiency is much decreased by increasing the eddy current loss in the magnets and core loss due to the harmonic fluxes. To overcome these problems, in this research, a novel Magnetic Multiple Spur Gear (MMSG) is proposed to achieve the high efficiency and to make downsizing the system. In this paper, the performances of the torque density, the gear efficiency are evaluated by the simulation and the experiment.

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Motor System Integrated Magnetic Multiple Spur Gear and High Speed Motors for Electric Vehicle

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

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