Single pulsed-field magnetization on Gd-Ba-Cu-O Bulk HTS assembled for axial-gap type rotating machines

E. Morita; H. Matsuzaki; Y. Kimura; I. Ohtani; M. Izumi; Y. Nonaka; M. Murakami; T. Ida; H. Sugimoto; M. Miki; M. Kitano

doi:10.1088/1742-6596/43/1/194

Single pulsed-field magnetization on Gd-Ba-Cu-O Bulk HTS assembled for axial-gap type rotating machines

E. Morita, H. Matsuzaki, Y. Kimura, I. Ohtani, M. Izumi, Y. Nonaka, M. Murakami, T. Ida, H. Sugimoto, M. Miki, M. Kitano

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We employed Gd-bulk HTS magnets as rotating poles for a smaller and lighter axial-gap type rotating machine. The bulk was placed between two vortex-type armature coils and cooled down to 77 K under zero-field. Pulsed current was applied to the vortex-type magnetizing coils. The trapped field distribution and transient flux behaviour strongly depend on the radial dimension of the armature vortex-type coil. In the present study, we show that there is an optimal radial dimension of magnetizing coils to the given bulk disk size to give a homogeneously conical distribution of the trapped flux.

Original language	English
Article number	194
Pages (from-to)	796-799
Number of pages	4
Journal	Journal of Physics: Conference Series
Volume	43
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/43/1/194
Publication status	Published - 2006 Jun 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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Single pulsed-field magnetization on Gd-Ba-Cu-O Bulk HTS assembled for axial-gap type rotating machines. / Morita, E.; Matsuzaki, H.; Kimura, Y.; Ohtani, I.; Izumi, M.; Nonaka, Y.; Murakami, M.; Ida, T.; Sugimoto, H.; Miki, M.; Kitano, M.

In: Journal of Physics: Conference Series, Vol. 43, No. 1, 194, 01.06.2006, p. 796-799.

Research output: Contribution to journal › Article › peer-review

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AU - Morita, E.

AU - Matsuzaki, H.

AU - Kimura, Y.

AU - Ohtani, I.

AU - Izumi, M.

AU - Nonaka, Y.

AU - Murakami, M.

AU - Ida, T.

AU - Sugimoto, H.

AU - Miki, M.

AU - Kitano, M.

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AB - We employed Gd-bulk HTS magnets as rotating poles for a smaller and lighter axial-gap type rotating machine. The bulk was placed between two vortex-type armature coils and cooled down to 77 K under zero-field. Pulsed current was applied to the vortex-type magnetizing coils. The trapped field distribution and transient flux behaviour strongly depend on the radial dimension of the armature vortex-type coil. In the present study, we show that there is an optimal radial dimension of magnetizing coils to the given bulk disk size to give a homogeneously conical distribution of the trapped flux.

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Single pulsed-field magnetization on Gd-Ba-Cu-O Bulk HTS assembled for axial-gap type rotating machines

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