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Convention presentation

Advanced DC Testing Tips

  • June 2012
  • Number of views: 4741
  • Article rating: No rating

Chuck Yung
EASA Senior Technical Support Specialist

This paper covers:

  • Interpreting AC and DC drop test results (Is that coil really shorted?)
  • Differentiating between interpole and armature problems
  • Locating an armature short/ground
  • Locating shorted/open equalizers in an armature
  • Working neutral: Did that motor arc when it left the factory? Let’s cure that problem!

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ANSI/EASA AR100

More information on this topic can be found in ANSI/EASA AR100
  • Section 4: Testing

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

Fundamentals of DC Motors & Operation Tips
  • Section 4: Testing
  • Section 5: Armatures
  • Section 7: Frames
  • Section 9: Motor Assembly & Final Testing

Related articles

Tags: Motor testing
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Recommended Practice for the Repair of Rotating Electrical Apparatus
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EASA Technical Manual

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The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.

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