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Design studies on IPMSM with radially oriented arc‐shaped hot‐deformed magnet for automotive traction drives
Author(s) -
Kano Yoshiaki,
Yabumi Takao
Publication year - 2021
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.23292
Subject(s) - traction (geology) , magnet , rotor (electric) , automotive engineering , torque , automotive industry , power (physics) , materials science , mechanical engineering , traction motor , arc (geometry) , engineering , computer science , physics , aerospace engineering , quantum mechanics , thermodynamics
This article presents the design studies of a multi‐layer interior permanent magnet synchronous motor (IPMSM) with a radially oriented arc‐shaped hot‐deformed magnet for automotive traction drives. Specifically, by using the IPMSM on a 2010 Prius as a benchmark, we designed an IPM rotor geometry that simultaneously achieves a 20% improvement in both the maximum power and constant output power line with high efficiency while maintaining maximum torque. A prototype of the designed three‐layer IPMSM was manufactured and evaluated. The results of the tests conducted on the prototype are reported and discussed in this article.

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