Permanent magnet thrust bearings for flywheel energy storage systems: Analytical, numerical, and experimental comparisons:

@inproceedings{DagnaesHansen2019PermanentMT,
  title={Permanent magnet thrust bearings for flywheel energy storage systems: Analytical, numerical, and experimental comparisons:},
  author={Nikolaj A. Dagnaes-Hansen and I Herrero Santos},
  year={2019}
}
A new type of flywheel energy storage system uses a magnetic suspension where the axial load is provided solely by permanent magnets, whereas active magnetic bearings are only used for radial stabilization. This means that the permanent magnet bearing must provide all the axial damping. Furthermore, it must have as low a negative radial stiffness as possible to reduce the workload on the radial active magnetic bearings. Many different mathematical models for determining force, stiffness, and… CONTINUE READING

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