Search Results - "Amaro, P. S."
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1
X-ray fluorescence as a condition monitoring tool for copper and corrosive sulphur species in insulating oil
Published in IEEE transactions on dielectrics and electrical insulation (01-04-2015)“…Currently there are no standard techniques to detect copper sulphide deposits in transformers to act as an early warning system. This paper develops and tests…”
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Journal Article -
2
Investigation of the electrical and chemical processes causing the failure event in a copper sulfide related transformer failure
Published in 2015 IEEE Electrical Insulation Conference (EIC) (01-08-2015)“…Copper sulfide related failures of oil-filled plants have become more common around most parts of the world over the last couple of decades, which has led the…”
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Conference Proceeding -
3
Tracking copper sulfide formation in corrosive transformer oil
Published in 2013 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (01-10-2013)“…Corrosive sulfur in the last decade has been recognized as a major risk to high voltage transformers. An initial study undertaken by CIGRE on copper sulfide in…”
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Conference Proceeding -
4
SSIMS molecular selective imaging: A new diagnostic tool to investigate metal passivators in scrapped transformers
Published in 2015 IEEE Electrical Insulation Conference (EIC) (01-08-2015)“…In every high voltage grid, the replacement of assets is a slow but steady process that guarantees long-term reliability of the power distribution networks…”
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Conference Proceeding -
5
Corrosive sulphur in large transformers: impact, quantification and detection
Published 01-01-2015“…Several power apparatus use some type of oil insulation system. Transmission level transformers, one of the most expensive components in power networks, use…”
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Dissertation -
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Impact of corrosive sulfur in transformer insulation paper
Published in 2013 IEEE Electrical Insulation Conference (EIC) (01-06-2013)“…In recent years a significant volume of research has been undertaken in order to understand the latest failures in oil insulated power apparatus due to…”
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Conference Proceeding