Hiromitsu Itabashi

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An axial-gap permanent-magnet motor that utilized tape wound amorphous cores was designed, manufactured and tested. The motor employs two 8-pole rotors and one 12-slot amorphous cores stator. In order to reduce iron loss, the magnetic and iron loss properties of ring-shaped amorphous cores with different lamination direction are investigated determine a(More)
This paper presents a novel motor design concept that utilizes amorphous cut cores in the stator and ferrite magnets in the rotor to obtain a high-efficiency motor. This motor employs a six-pole nine-slot axial gap construction and aims to provide 90% efficiency with decreased size and low cogging torque for fan motor applications. Amorphous cut cores are(More)
This paper presents the results of experimental trials carried out on a permanent magnet synchronous motor (PMSM) that uses a stator core made of a nanocrystalline magnetic material (FINEMET). It is demonstrated that the manufactured stator can reduce the PMSM total iron loss by 64% to 75% compared with an equivalent motor using a stator made(More)
This paper presents the development of a 10kr/min motor that utilizes the amorphous toroidal core. This motor employs a non-slotted axial gap structure with two ferrite magnet rotors and one amorphous toroidal stator. The goal of the motor is to produce a 400W output, at 90% high efficiency with a size of Φ100×L30. The low core loss design is(More)
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