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This paper addresses recent advances in fault diagnosis by Park's Vector Approach, with special emphasis being given to the most recent developments concerning power converter fault diagnosis in variable speed ac drives. With the aim to demonstrate the suitability of such approach for power converters self-diagnostic, a detailed comparison of four algorithms intended for real-time diagnosis is also...
Due to the widespread adoption of variable speed ac drives in many industrial applications, power converters fault diagnosis is becoming more and more important, particularly for the voltage source inverters used in these systems. Accordingly, this paper presents a new diagnostic method that allows the real-time detection and localization of single power switch open-circuit faults in VSI-fed PWM motor...
Practically all the diagnostic methods for open-circuit faults in voltage source inverters (VSI) developed during the last decades, are focused on the occurrence of single faults and do not have the capability to handle and identify multiple failures. This paper presents a new method for real-time diagnostics of multiple open-circuit faults in voltage source inverters feeding ac machines. In contrast...
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