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Armature winding termination continuity tester and method

  • US 4,053,830 A
  • Filed: 11/10/1976
  • Issued: 10/11/1977
  • Est. Priority Date: 11/10/1976
  • Status: Expired due to Term
First Claim
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1. Apparatus for testing armature winding termination continuity of an armature having a circular array of commutator bars and a plurality of armature windings each having its opposite ends terminated to a different one of said bars so as to define a plurality of sets of bar-to-bar winding terminations, comprising:

  • means for simultaneously applying test currents of equal value to flow through each said set of bar-to-bar winding terminations to develop respective bar-to-bar voltages;

    means for simultaneously measuring voltage differences between the voltages developed across different selected pairs of all of said sets of bar-to-bar winding terminations;

    means for simultaneously determining whether any of said voltage differences exceeds a reference limit; and

    ,means for providing an output indication dependent upon said determination.

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