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Active thermal protection techniques have been proposed for the thermal protection of induction motors. By injecting dc signals, the dc model of induction motors can be used to estimate the stator winding resistance, and thus the average stator winding temperature. The injected dc signals may lead to magnetic saturation, which may degrade a motor's performance and increase heat dissipation in the...
Multiple motors connected to a single closed-loop inverter drive is a common type of drive topology which has wide application in steel processing industry, electric railway systems and electric vehicles. But condition monitoring for this type of drive configuration remains largely unexplored. This paper proposes a new method to detect the stator turn-to-turn fault in a multiple-motor drive system...
Mathematical representations of an interior permanent magnet synchronous motor (IPMSM) with stator turn faults are derived in abc-variables. Based on the derived expressions, an IPMSM drive simulation model, which is capable of representing stator turn faults, is implemented in Matlab Simulink. The accuracy and effectiveness of the proposed model is verified by comparing the simulation results with...
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