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Articles in Industry Publications

Trade press article

Cool advice on hot motors

  • August 2015
  • Number of views: 11461
  • Article rating:

By Jim Bryan
EASA Technical Support Specialist (retired)

The effects of excessive temperature on motor performance are notorious. After moisture, they are the greatest contributor to bearing and winding failures. Understanding the source of increased temperature is key to correcting the problem and improving the reliability of your facility’s motor fleet.

Topics in this article cover:

  • Overload and service factor
  • Ventilation
  • Voltage variation
  • Electrical steel
  • Current density
  • Circulating currents
  • Harmonics

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