Monitoring of total and Mercaptan sulphur under combined thermal electrical ageing of paper-oil insulation system

Abstract

Corrosion of copper conductors due to Sulphur in transformer oil is a serious problem affecting both Power and converter transformers. The reactive and corrosive sulphur components are of very low order in fresh transformer oils but during service, some sulphur components are converted to reactive and corrosive forms which react with copper forming copper… (More)

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