Superconducting axial bearing for induction machines with active radial magnetic bearings

被引：12
|
作者：
Nicolsky, R
Gorelov, Y
Pereira, AS
David, DFB
Santisteban, A
Stephan, RM
Ripper, A
de Andrade, R
Gawalek, W
Habisreuther, T
Strasser, T
机构：
[1] Univ Fed Rio de Janeiro, Inst Fis, BR-21945970 Rio De Janeiro, Brazil
[2] Univ Fed Rio de Janeiro, COPPE, EE, BR-21945970 Rio De Janeiro, Brazil
[3] Inst Phys Hoch Technol, D-07743 Jena, Germany
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1999年 / 9卷 / 02期
关键词：
D O I：
10.1109/77.783458
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A superconducting passive axial bearing has been developed for an induction machine with vertical rotor and two active radial magnetic bearings, resulting a fully levitating system. This prototype has been designed on the basis of a previous one reported by Salazar-Stephan as 4-pole 2-phase induction machine using windings of a standard motor. Each active radial bearing measures four shaft-positions using eddy-current sensors displaced each 90 degrees. The levitation has been performed using two NdFeB permanent magnets and bulk pieces of seeded-melt-textured YBCO. The YBCO pieces have been characterized measuring the levitation forces and mapping the remanent magnetic field with Hall probes. The radial stability of that system is modeled and discussed.
引用
收藏
页码：964 / 967
页数：4
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