System and method for performing transformer diagnostics
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United States of America Patent
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Jun 6, 2017
Grant Date -
Sep 24, 2015
app pub date -
Mar 13, 2015
filing date -
Mar 21, 2014
priority date (Note) -
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Abstract
A method for performing diagnostics on a transformer includes generating, by a voltage generator, an AC voltage and applying the AC voltage to a winding or phase of the transformer. Current flowing from the generator to the winding or phase is decomposed into a plurality of harmonic components. Respective magnitudes of the plurality of harmonic components are compared with corresponding magnitudes of harmonic components associated with one or more benchmark transformers of a known condition to determine whether the condition of the transformer matches the condition of one or more benchmark transformers.
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