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Article

Auxiliary cooling of electric motors (and other equipment)

  • January 2017
  • Number of views: 10809
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Chuck Yung
EASA Senior Technical Support Specialist

Although the earliest practical DC motor was built by Moritz Jacobi in 1834, it was over the next 40 years that men like Thomas Davenport, Emil Stohrer and George Westinghouse brought DC machines into industrial use.

It’s inspiring to realize that working DC motors have been around for over 160 years. For the past century, DC machines over 30 or 40 kW have been cooled in the same manner – by mounting a squirrel cage blower directly over the commutator.

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EASA Technical Manual

More information on this topic can be found in EASA's Technical Manual
  • Section 3: DC Machines

Related Reference and Training Materials

Root Cause Failure Analysis
  • Section 7: DC Motor Failures

Fundamentals of DC Motors & Operation Tips
  • Section 8: Ventilation & Accessories

Tags: Motor temperature Fans Motor cooling Blowers
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