The force relaxation in levitating high Tc superconductor

E. Ito, Y. Komano, K. Sawa, M. Murakami, N. Sakai, I. Hirabayashi

研究成果: Conference contribution

抄録

In development of a flywheel energy storage system, electric power loss reduction is expected by using superconducting bearings. However, for realization of superconducting bearing strong levitation force, rotation loss reduction and axial descent reduction are required. It is known with axial descent reduction technology that a preload method is effective, whereas by this method, the levitation force becomes quite small compared with the normal levitation. We confirmed the performance of the preload method by experiment using a YBCO superconducting electromagnet. The preload method is improved and a method, which does not change the rate of the force relaxation and makes the levitation force larger than the existing preload method is proposed.

本文言語English
ホスト出版物のタイトルADVANCES IN CRYOGENIC ENGINEERING
ホスト出版物のサブタイトルTransactions of the International Cryogenic Materials Conference, ICMC, Volume 52B
ページ820-827
ページ数8
DOI
出版ステータスPublished - 2006 3 31
イベントADVANCES IN CRYOGENIC ENGINEERING: Transactions of the International Cryogenic Materials Conference, ICMC - Keystone, CO, United States
継続期間: 2005 8 292005 9 2

出版物シリーズ

名前AIP Conference Proceedings
824 II
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Conference

ConferenceADVANCES IN CRYOGENIC ENGINEERING: Transactions of the International Cryogenic Materials Conference, ICMC
国/地域United States
CityKeystone, CO
Period05/8/2905/9/2

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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