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In this paper different methods are presented for the calculation of torque as a function of rotation angle in an electrical machine. These methods are integrated in a. calculation code by using the finite element method. The movement is taken into account by means of the technique of the Moving Band, constituted by quadrilateral finite elements in the airgap. The torque is calculated during the displacement of the moving part by using the following methods: Maxwell stress tensor, Coenergie derivation, Coulomb's v'irtual work, Arkkio' s method and the Magnetiz ing current method. The resul ts obtained by the different methods are compared with experimental data and.allow te deduce practical informat, ions concerning the advantages and limitations of each method.

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OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited version published in : http://oatao.univ-toulouse.fr/ Eprints ID : 19544To link to this article :