Analysis of multiphase induction machines with winding faults |
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Authors: | Apsley J. Williamson S. |
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Affiliation: | Sch. of Electr. & Electron. Eng., Univ. of Manchester, UK; |
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Abstract: | The paper shows how the techniques of generalized harmonic analysis may be used to simulate the steady-state behavior of a multiphase cage induction motor with any form of open-circuit or short-circuit fault in the stator winding. The analytical model is verified using a four-pole machine with a 48-slot stator. Each coil of the stator winding of this machine is brought out to a patchboard that enables the stator to be configured for single-phase, two-phase, three-phase, four-phase, six-phase, or 12-phase excitation. Experimental results are compared with computer predictions for a six-phase machine with both open-circuit and short-circuit faults. |
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