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Shaeboub, Abdulkarim; Lane, Mark; Haba, Usama; Gu, Fengshou; Ball, Andrew (2016)
Publisher: IEEE
Languages: English
Types: Part of book or chapter of book
Subjects: TJ, T1, TA

Classified by OpenAIRE into

mesheuropmc: human activities
As a primer driver, induction motors are the most electric energy consuming component in industry. The exposure of the motor to stator winding asymmetry, combined with broken rotor bar fault significantly increases the temperature and reduces the efficiency and life of the motor. Accurate and timely diagnosis of these faults will help to maintain motors operating under optimal statues and avoid excessive energy consumption and severe damage to systems. This paper examines the performance of diagnosing the effect of asymmetry stator winding on broken rotor bar faults under closed loop operation modes. It examines the effectiveness of conventional diagnosis features in both motor current and voltage signals using spectrum and modulation signal bispectrum analysis (MSBA). Evaluation results show that the combined faults cause an additional increase in the sideband amplitude and this increase in sideband can be observed in both the current and voltage signals under the sensorless control mode. MSB analysis has a good noise reduction capability and produces a more accurate and reliable diagnosis in that it gives more correct indication of the fault severity and location for all operating conditions.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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