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About the author
Jean Sanchez
EDFJean Sanchez is a senior transformer engineer at EDF, a French main generation utility, mostly on investigations, tests and their associated diagnosis, FAT, HV bushings, and fleet assessments. He acquired a PhD in power transformer fault diagnosis in 2011, with a French power transformer reparation factory.
David Gopp
David Gopp graduated with a master’s degree in power engineering and energy management from the University of Applied Sciences in Dornbirn in 2019. He started his professional career as a working student at OMICRON electronics in software as well as hardware development.
He then worked for two years as a technical support and applications engineer at OMICRON electronics, where he specialized in the evaluation and diagnosis of power transformers and instrument transformers. Since January 2020, he has been responsible for sweep frequency response analysis in product management.