Effective Temperature on the Electric Breakdown of Transformer Oil

The aim of this work is to investigate the dependence of breakdown voltage on electrode spacing and the effect of temperature on breakdown voltage. As a result of the experimental study, the graphical dependence of the dependence of breakdown voltage and gap length on the temperature difference, the...

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Bibliographic Details
Main Authors: Mohammed, Hassan Jasim, Kaittan, Ali Sachit, Gainullina, Leysan R., Jaber, Ahmed Ibrahim
Format: Conference Proceeding
Language:English
Subjects:
breakdown curve
electric breakdown
hemisphere electrodes
Paschen's law
temperature
transformer oil
uniform-field
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Summary:The aim of this work is to investigate the dependence of breakdown voltage on electrode spacing and the effect of temperature on breakdown voltage. As a result of the experimental study, the graphical dependence of the dependence of breakdown voltage and gap length on the temperature difference, the effect of temperature on the dielectric properties of transformer oil and comparison with Paschen's law for gas were obtained. The specific dependence of E(d) and VB on gap length is influenced by factors such as electrode configuration, material properties and environmental conditions. An increase in the thermal conductivity of the oil contributes to the reduction of hot spots and temperature gradients, resulting in a more balanced distribution of the electric field along the gap length, reducing the risk of thermal breakdown and increasing the breakdown voltage.
ISSN:2376-6565
DOI:10.1109/ElCon61730.2024.10468080