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Self-excitation problem and countermeasures in online measurement of motor winding resistance

  • 2013-09-19
  • 64.57KB
  • Points it Requires : 2

This article introduces the self-excitation problem of asynchronous motors caused by DC blocking capacitors in online measurement of asynchronous motor winding resistance. The causes are analyzed, and a solution to avoid the self-excitation problem of asynchronous motors and a method for selecting capacitors are proposed. Keywords: winding resistance; self-excitation phenomenon; online measurement; asynchronous motor

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