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Factors to Consider When Testing DC Armatures

  • May 2021
  • Number of views: 19506
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Chuck Yung
EASA Senior Technical Support Specialist

When testing DC armatures, whether incoming for repair or after completing a rewind, one question I often hear involves interpreting the surge test (or the high-frequency bar-to-bar test) results. There is a lot to our interpretation of the bar-bar test or surge test.

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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

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