Two unbalanced faults (line-to-neutral and line-to-line short-circuits) in a synchronous machine are simulated by the finite element method (FEM). In order to accomplish these tasks, the FEM had to be associated with the moving-airband technique as well as the coupling with electric circuit. Results obtained in the simulations concerning the armature current and torque are compared with analytical curves.
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Nabeta et al. (1996) studied this question.
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