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Power inverters based on wide bandgap (WBG) switching devices are being increasingly applied in new-generation adjustable speed drives (ASDs), due to their benefits of high efficiency and high power density. However, the high change rate of the output voltage (dv/dt) generated from the fast switching operation of the WBG devices in ASDs, such as Silicon Carbide (SiC) MOSFETs, could cause significant...
Stator winding short-circuit faults are among the most common faults that could occur in permanent magnet synchronous machines (PMSM). Therefore, on-line diagnosis of incipient stator winding short-circuit faults plays an important role contributing to the safe operation of PMSMs. However, the efficacy of known diagnostic methods varies with the types of stator winding configurations in PMSMs. This...
Permanent magnet synchronous machines (PMSM) have been widely used in various applications due to their characteristics of high power density, high efficiency, and high torque to current ratio. However, PMSMs are not immune to electrical faults, which requires an efficient and reliable condition monitoring method to avoid downtime or even catastrophic failures. This paper introduces a novel diagnostic...
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