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Method for assessing motor insulation on operating motors

Patent ·
OSTI ID:458586

A method for monitoring the condition of electrical-motor-driven devices is disclosed. The method is achieved by monitoring electrical variables associated with the functioning of an operating motor, applying these electrical variables to a three phase equivalent circuit and determining non-symmetrical faults in the operating motor based upon symmetrical components analysis techniques. 15 figs.

Research Organization:
Lockheed Martin Energy Syst Inc
DOE Contract Number:
AC05-84OR21400
Assignee:
Martin Marietta Energy Systems, Inc., Oak Ridge, TN (United States)
Patent Number(s):
US 5,612,601/A/
Application Number:
PAN: 8-568,550
OSTI ID:
458586
Country of Publication:
United States
Language:
English

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