H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 7/09 (2006.01) F16C 39/06 (2006.01) H02K 5/16 (2006.01)
Patent
CA 2310191
The present invention relates to an arrangement for the mounting of rotors of generators, in particular hydrogenerators, in a magnetic field. In this case, the mounting is effected via at least one magnetic bearing, which is arranged in the region of the rotor rim and the pole windings. As a result, the force due to the weight of the rotor is picked up directly at the point of origin. The at least one magnetic bearing may consist of either a separate radial bearing and a separate thrust bearing or a combination of radial and thrust bearings. The at least one magnetic bearing may be arranged both above and below the rotor and directs the force due to the weight into the foundation. Due to the use of magnetic bearings, the overall efficiency is increased on account of a reduction in bearing losses. In addition, the rotor may be designed more freely; the compactness required hitherto is no longer absolutely necessary.
Matyscak Kamil
Schafer Daniel
Abb Alstom Power (schweiz) Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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