Online High Frequency Impedance Identification Method of Inverter-Fed Electrical Machines for Stator Health Monitoring
Jérémy Creux,
Najla Haje Obeid,
Thierry Boileau
et al.
Abstract:In electric powertrain traction applications, the adopted trend to improve the performance and efficiency of electromechanical power conversion systems is to increase supply voltages and inverter switching frequencies. As a result, electrical machine conductors are subjected to ever-increasing electrical stresses, leading to premature insulation degradation and eventual short-circuits. Winding condition monitoring is crucial to prevent such critical failures. Based on the scientific literature, several methods… Show more
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