Eigen frequency and damping in a passive magnetic bearing system

A complete passive magnetic bearing system, consisting in a Permanent Magnet radial bearing and a Superconductive Magnetic Bearing has been simulated and constructed. The forces in both types of magnetic bearings are not linear. The non-linear behavior has been implemented in a FEM model and compare...

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Bibliographische Detailangaben
Hauptverfasser:	Hedlund, Magnus, Stephan, Richard. M, de Santiago, Juan, Goncalves de Oliveira, Janaína, Rodriguez, Elkin, Sotelo, Guilherme G
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Annan elektroteknik och elektronik Eigen frequencies FEM Flywheel Numerical Analysis Other Electrical Engineering, Electronic Engineering, Information Engineering Passive Bearings Permanent Magnet Bearing Superconductive Magnetic Bearing
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Beschreibung
Zusammenfassung:	A complete passive magnetic bearing system, consisting in a Permanent Magnet radial bearing and a Superconductive Magnetic Bearing has been simulated and constructed. The forces in both types of magnetic bearings are not linear. The non-linear behavior has been implemented in a FEM model and compared with linear models. A spin down test has been conducted to the built system and the Eigen frequencies have been recorded. The Eigen frequencies calculated with and without the non-linear behavior implemented in the model are very similar.