On the feasibility of monitoring power transformer's winding vibration and temperature along with moisture in oil using optical sensors

S Akre, I Fofana, Z Yéo, S Brettschneider, P Kung… - Sensors, 2023 - mdpi.com
Despite major progress in the design of power transformers, the Achilles' heel remains the
insulation system, which is affected by various parameters including moisture, heat, and …

[HTML][HTML] Comparative analysis of the impact of dissolved decay products on the dielectric performances of natural monoesters and mineral oil for power transformers

ET Nkouetcha, GM Mengounou, AM Imano - Scientific African, 2021 - Elsevier
The challenge of bio-based insulating oil research is the development of a new alternative
insulating liquid to mineral oil (MO) for power transformers with identical and even better …

Prebreakdown and breakdown phenomena in ester dielectric liquids

P Rozga, T Jayasree, UM Rao… - … Liquid Dielectrics for …, 2021 - Wiley Online Library
This chapter presents the prebreakdown and breakdown phenomena to address the partial
discharge (PD) behavior in various ester based liquids. The basic streamer theories, PD …

THz optical parameters of FR3 natural ester insulating oil after thermal aging

W Liang, Q Zhipeng, L Ze, G Li - Optik, 2021 - Elsevier
In this paper, FR3 natural ester insulating oil has carried out accelerated thermal aging test
at 130℃, and prepared natural ester insulating oil with different aging degrees. First, the …

First‐mode of negative streamers: Inception at liquid/solid interfaces

D Ariza, A Beroual, R Methling, S Gortschakow… - High …, 2021 - Wiley Online Library
An experimental study of the inception of the first‐mode negative streamer at liquid/solid
interfaces is presented in this article. The study is performed with a point‐plane configuration …

[PDF][PDF] Scientific African

ET Nkouetcha, GM Mengounou, AM Imano - 2021 - researchgate.net
abstract The challenge of bio-based insulating oil research is the development of a new
alternative insulating liquid to mineral oil (MO) for power transformers with identical and …