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The failure rate of rotor bars is high, which causes large area of broken conducting bars, shortening the lifetime of motors. Therefore, the diagnosis of broken rotor fault diagnosis is of great importance. First, the mathematical model of induction motors is presented, and the internal and external magnetic field boundary conditions are defined. Second, frequency domain analysis method is combined...
Promising parameter in the analysis and diagnosis of electrical machines is the external magnetic field that can be measured in the vicinity of the machine. This variable provides an image of the internal magnetic state of the machine and it is sensitive to very small imbalances in the machine. Therefore, information about the presence of an anomaly can be found in the analysis of this field. The...
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