| Issue |
EPJ Web of Conferences
Volume 40, 2013
JEMS 2012 – Joint European Magnetic Symposia
|
|
|---|---|---|
| Article Number | 17009 | |
| Number of page(s) | 4 | |
| Section | Soft magnetic materials and related applications | |
| DOI | https://doi.org/10.1051/epjconf/20134017009 | |
| Published online | 14 January 2013 | |
https://doi.org/10.1051/epjconf/20134017009
Optimization of active magnetic bearings for automotive flywheel energy storage systems based on soft magnetic materials
1
Institute of Electrical Measurement and Measurement
Signal Processing, Graz University of Technology,
Graz,
Austria
2
Institute of Sensor and Actuator Systems,Vienna
University of Technology, Vienna,
Austria
For active magnetically suspended rotors in mobile flywheel energy storage systems the lowest possible weight, smallest size and a low price is required. Since the flywheel is operated in vacuum and very little heat can be dissipated from the rotor, the bearing’s magnetic losses have to be as minimal as well. This paper compares the design and optimization of homopolar radial active magnetic bearings with 3 different types of laminated steel. The first type is a standard transformer steel, the second one is high flux cobalt steel and the third one is high flux cobalt steel with high tensile strength.
© Owned by the authors, published by EDP Sciences, 2013
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