FIELD: machine building.
SUBSTANCE: procedure consists in determining spectral characteristic of sample on border of range of leak zone and in successive calculation of characteristic slope and length of wave of leak cut-off used as quantitative evaluation of degree of transformer oil ageing.
EFFECT: efficient registration of slightest changes in oil condition.
1 dwg
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Authors
Dates
2010-10-27—Published
2009-07-21—Filed