Development of High Power-Density Motors for Electric Axles using Nd-Based Bonded Magnets
In recent years, a demand has arisen for smaller traction motors with higher power. This study focused on high-speed rotation for miniaturization and developed a prototype motor using Nd-based bonded magnets. It had a maximum rotational speed of 34,000rpm, which is twice that of existing 50kW-class...
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| Veröffentlicht in: | Denki Gakkai ronbunshi. D, Sangyō ōyō bumonshi 2024/10/01, Vol.144(10), pp.732-738 |
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| container_title | Denki Gakkai ronbunshi. D, Sangyō ōyō bumonshi |
| container_volume | 144 |
| creator | Naruse, Kenya Kim, Choongsik Kayano, Masahiro Watarai, Aki Mitarai, Hironari Nakamura, Kenji |
| description | In recent years, a demand has arisen for smaller traction motors with higher power. This study focused on high-speed rotation for miniaturization and developed a prototype motor using Nd-based bonded magnets. It had a maximum rotational speed of 34,000rpm, which is twice that of existing 50kW-class motors. The motor achieved the desired performance in the test in combination with a reducer. As a result, the weight of the prototype motor was reduced by 54%, and a power density of 6.7kW/kg was achieved. |
| doi_str_mv | 10.1541/ieejias.144.732 |
| format | Article |
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| ispartof | IEEJ Transactions on Industry Applications, 2024/10/01, Vol.144(10), pp.732-738 |
| issn | 0913-6339 2187-1094 1348-8163 2187-1108 |
| language | eng ; jpn |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese |
| subjects | bonded magnet high speed motor IPMSM Magnets Motors Neodymium power weight ratio (PWR) Prototypes |
| title | Development of High Power-Density Motors for Electric Axles using Nd-Based Bonded Magnets |
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