Magnetic bearings

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Magnetic bearings
Posting date : Oct 27, 2011
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72-
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Detailed Description
-Description Faces of bearing are kept separate by magnets (electromagnets or eddy currents) -Friction Zero friction at zero speed, but constant power for levitation, eddy currents are often induced when movement occurs, but may be negligible if magnetic field is quasi-static -Stiffness Low -Speed No practical limit -Life Indefinite. Maintenance free. (with electromagnets) -Cautions Active magnetic bearings (AMB) need considerable power. Electrodynamic bearings (EDB) do not require external power.

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