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Titolo:
HYBRID HIGH T-C SUPERCONDUCTING MAGNETIC BEARINGS FOR FLYWHEEL ENERGY-STORAGE SYSTEMS
Autore:
CHEN QY; XIA Z; MA KB; MCMICHAEL CK; LAMB M; COOLEY RS; FOWLER PC; CHU WK;
Indirizzi:
UNIV HOUSTON,TEXAS CTR SUPERCONDUCT HOUSTON TX 77204
Titolo Testata:
Applied superconductivity
fascicolo: 7-8, volume: 2, anno: 1994,
pagine: 457 - 464
SICI:
0964-1807(1994)2:7-8<457:HHTSMB>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
LEVITATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
12
Recensione:
Indirizzi per estratti:
Citazione:
Q.Y. Chen et al., "HYBRID HIGH T-C SUPERCONDUCTING MAGNETIC BEARINGS FOR FLYWHEEL ENERGY-STORAGE SYSTEMS", Applied superconductivity, 2(7-8), 1994, pp. 457-464

Abstract

Low energy-loss hybrid superconducting magnetic bearing using YBCO (123) high temperature superconductors (HTS) coupled with permanent magnets have been designed and employed to construct a prototype flywheel energy storage system. The rotor weights about 19 kg. The hybrid HTS magnetic bearing uses permanent magnets to provide the levitating forceand superconductors to stabilize the inherently unstable magnet-magnet interactions. The hybrid bearings are brought into action under convenient zero-cooled conditions. This work aimed at explicating the concepts and illustrating the feasibility of such hybrid HTS bearing for low energy-loss flywheel energy storage applications. Measured results for various bearing characteristics and a preliminary spin-down test in a crude vacuum of 7 x 10(-3) Torr are presented.

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Documento generato il 02/12/20 alle ore 04:27:22