An Analysis of Conical Homopolar Electrodynamic Bearing

Rúra, D.; Bárta, J.

An Analysis of Conical Homopolar Electrodynamic Bearing

Files

eeict-general-336-340.pdf(782.29 KB)

Date

2022

Authors

Rúra, D.

Bárta, J.

Publisher

Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií

Abstract

The electrodynamic bearings (EDB) have a great perspective to substitute the traditional reluctance type electromagnetic bearings (EMB) used for supporting the rotor and keep it stable during the whole range of operation. Hybridization plays an important role in the development of magnetic bearing (MB) because combining for example axial and radial bearings into one single device results in a cost-effective solution usually smaller in size that has advantages when implemented in the motor design. In this paper, a hybrid arrangement that combines radial and axial EDB into a single device is presented. The most perspective low-loss design called homopolar EDB adopted with the traditional magnet-pole shoe arrangement is studied in the conical arrangement of rotor and stator. The results show great progress in the performance of MB as well as an easy way to balance between radial and axial load capacity.

Keywords

EDB, eddy current, electrodynamic bearing, induced currents

Citation

Proceedings I of the 28st Conference STUDENT EEICT 2022: General papers. s. 336-340. ISBN 978-80-214-6029-4
https://conf.feec.vutbr.cz/eeict/index/pages/view/ke_stazeni

Document type

Peer-reviewed

Document version

Published version

Language of document

en

Document licence