Method for monitoring the electric insulation status of a piece of equipment for MV or HV electric systems

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United States of America Patent

PATENT NO 11693041
APP PUB NO 20210364566A1
SERIAL NO

17320451

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Abstract

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A method for monitoring the electric insulation status of a piece of equipment for a medium-voltage or high-voltage electric system, which includes the following steps: acquiring detection data indicative of the behaviour of said piece of equipment, said detection data including a time sequence of measured discharge values related to partial-discharge events observed at subsequent observation instants in time; basing on said detection data, calculating stochastic data indicative of the electric insulation status of said piece of equipment, said stochastic data including probability values related to the observed partial-discharge events and calculated as a function of one or more characteristic parameters related to said partial-discharge events; basing on said stochastic data, calculating estimated data indicative of said one or more characteristic parameters related to said subsequent observation instants.

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Patent Owner(s)

Patent OwnerAddress
ABB SCHWEIZ AGBROWN BOVERI STRASSE 6 BADEN CH-5400

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hencken, Kai Lörrach, DE 25 67
Lehmann, Joerg Basel, CH 15 44

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