Signal Based Fault Detection for Stator Insulation in Electric Motors

Ayaz E., Ucar M., Seker S., Upadhyaya B. R.

43rd International-Universities-Power-Engineering Conference, Padova, Italy, 1 - 04 September 2008, pp.1296-1297 identifier

  • Publication Type: Conference Paper / Full Text
  • City: Padova
  • Country: Italy
  • Page Numbers: pp.1296-1297
  • Istanbul Technical University Affiliated: Yes


Stator winding insulation damage in induction motors is considered in this research and fault features developed during the artificial aging process of the stator insulation are extracted from the collected data by the spectral analysis methods. Even harmonic effects are determined as a common feature between the phase currents and vibration signals using the coherence analysis and hence this feature is interpreted as an indicator of the stator insulation fault.