Optical high voltage breakdown prediction using thermal lensing effect in transformer oil

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Struebig, Robin and Glesk, Ivan (2016) Optical high voltage breakdown prediction using thermal lensing effect in transformer oil. In: International Conference on Renewable Energies (ICREPQ 2016), 2016-05-04 - 2016-05-06, Universidad Pontificia de Comillas.

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Abstract

We describe an optical system to monitor microscopic pre-breakdown events in liquid insulation. The system has successfully demonstrated its ability to predict high voltage breakdown in transformer oil. A simple theory based on a thermal lens build up between electrodes as a result of applied voltage is presented to explain the system operation and obtained measured results.

ORCID iDs

Struebig, Robin and Glesk, Ivan ORCID logoORCID: https://orcid.org/0000-0002-3176-8069;
CORE (COnnecting REpositories)