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Title: Motor monitoring method and apparatus using high frequency current components

A motor current analysis method and apparatus for monitoring electrical-motor-driven devices. The method and apparatus utilize high frequency portions of the motor current spectra to evaluate the condition of the electric motor and the device driven by the electric motor. The motor current signal produced as a result of an electric motor is monitored and the low frequency components of the signal are removed by a high-pass filter. The signal is then analyzed to determine the condition of the electrical motor and the driven device.
Inventors:
 [1]
  1. (Knoxville, TN)
Issue Date:
OSTI Identifier:
870428
Assignee:
Martin Marietta Energy Systems, Inc. (Oak Ridge, TN) ORNL
Patent Number(s):
US 5519337
Contract Number:
AC05-84OR21400
Research Org:
LOCKHEED MARTIN ENRGY SYST INC
Country of Publication:
United States
Language:
English
Subject:
motor; monitoring; method; apparatus; frequency; current; components; analysis; electrical-motor-driven; devices; utilize; portions; spectra; evaluate; condition; electric; device; driven; signal; produced; result; monitored; removed; high-pass; filter; analyzed; determine; electrical; monitoring method; frequency components; electric motor; motor current; current signal; pass filter; signal produced; analysis method; electrical-motor-driven device; frequency component; monitoring electrical; frequency current; current analysis; driven device; electrical motor; electrical-motor-driven devices; current components; current spectra; /324/

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