DEVICE AND METHOD FOR ASSESSING THE DEGRADATION OF THE INSULATION OF AN OIL-INSULATED TRANSFORMER

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United States of America Patent

APP PUB NO 20140347071A1
SERIAL NO

14355992

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Abstract

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A device (1) for assessing the corrosion of the transformer windings in an oil-insulated transformer comprising a copper conductor (2) immersed in the oil. The change of the resistance of the copper conductor (2) over time is measured, e.g. using a Wheatstone bridge (2, 12a, 12b, 12c), and used to assess the degradation of the copper exposed to the insulation oil. The temperature of the copper conductor can be controlled by an heating element and a temperature sensor.

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TECHIMP HQ S R L40069 ZOLA PREDOSA (BO)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fattori, Matteo Cesena (FC), IT 1 2
Montanari, Gian Carlo Casalecchio Di Reno (BO), IT 19 123
Serra, Stefano San Vittore Olona (MI), IT 49 479

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