Practical technique of pulsed field magnetization for bulk HTS application

Y. Kimura, K. Yamaguchi, T. Sano, D. Sugyo, M. Izumi, T. Ida, S. Nariki, N. Sakai, I. Hirabayashi, M. Miki

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Abstract

We studied a pulsed field magnetization (PFM) of bulk HTS assembled into a synchronous motor as a field-pole. The PFM is essential to apply bulk HTS inside the machine as a practical technique. In the present study, we developed a PFM technique that is a usage of Controlled Magnetic density Distribution Coil (CMDC). The coil is composed of inner vortex coil and outer solenoid. We successfully obtained the trapped flux density with 1.3 T by the step-wise cooling method with CMDC at 38 K in the motor. The bulk was cooled by a condensed neon. In addition, we studied the PFM for Gd-bulk of 140 mm diameter. By using the CMDC, we obtained the trapped flux density distribution with regular shape. In this paper we report these advanced PFM techniques for a practical machinery applications.

Original languageEnglish
Article number012295
JournalJournal of Physics: Conference Series
Volume97
Issue number1
DOIs
Publication statusPublished - 2008 Feb 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Kimura, Y., Yamaguchi, K., Sano, T., Sugyo, D., Izumi, M., Ida, T., Nariki, S., Sakai, N., Hirabayashi, I., & Miki, M. (2008). Practical technique of pulsed field magnetization for bulk HTS application. Journal of Physics: Conference Series, 97(1), [012295]. https://doi.org/10.1088/1742-6596/97/1/012295