Numerical Analysis and Preliminary Experimental Validation of a Heteropolar Electrodynamic Bearing

摘要

In this paper we describe the numericalsimulations of a Heteropolar Electrodynamic Bearing andcompare them with some experimental data taken on aprototype in quasi-static state. The device is composedof a cylindrical permanent magnet rotor and six coilsfixed onto the stator. The system has been simulated bymeans of a dedicated numerical code (“EN4EM” - ElectricNetwork for Electromagnetics), previously developedfor research purposes. The software is based on a 3Dintegral formulation and it is able to numerically simulatecoupled multi-degree of freedom electro/mechanicalproblems. The comparison between computed andmeasured data are fully satisfactory.