Calculation of Radial Active Magnetic Bearing Electromagnetic Force under Eccentric Rotor

Abstract:

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As for active magnetic bearing, ordinary electromagnetic force formula based on air gap well-distributed. However, radial active magnetic bearing always face the situation that the rotor is eccentric and the air gap doesn’t well-distributed. This paper gives the calculation method of the electromagnetic force at that situation through calculating the air gap and using integrative approach. Then analysis the influence factors---eccentric rotor distance from center and eccentric angle to electromagnetic force. The result can provide the basis for suspension characteristic of active magnetic bearing.

Info:

Periodical:

Advanced Materials Research (Volumes 443-444)

Edited by:

Li Jian

Pages:

649-654

DOI:

10.4028/www.scientific.net/AMR.443-444.649

Citation:

X. J. Liu and Y. F. Hu, "Calculation of Radial Active Magnetic Bearing Electromagnetic Force under Eccentric Rotor", Advanced Materials Research, Vols. 443-444, pp. 649-654, 2012

Online since:

January 2012

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Price:

$35.00

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