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This paper introduces a new approach for improving the fault diagnosis in induction motors under time-varying conditions. A significant amount of published approaches in this field rely on representing the stator current in the time-frequency domain, and identifying the characteristic signatures that each type of fault generates in this domain. However, time-frequency transforms produce three-dimensional...
The aim of this paper is to analyze theoretically and experimentally the stator current and the load torque of a three-phase induction machine in a hoisting winch system in order to show the influence of hanging load at different levels in motoring modes. In this paper, the results of hanging load are verified in time and time-frequency domains and it has been observed that in case of fast changing...
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