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In the last decades, fault diagnosis of voltage source inverters has received a lot attention since their application to variable speed drives has become an industrial standard. Recently, some methods have been suggested for open-circuit faults in the switching devices of voltage source inverters. However, most of these methods might not work properly for different working conditions of the motor...
Analysis of six-phase induction motor drive system is presented with emphasis on the electrical faults of the inverter. A simple model has been described to analyses the dynamic behavior of the multi-phase machine under fault condition. Simulation and experimental results are presented to verify predicted behavior for different kinds of faults.
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