Environmental effects on HV dielectric materials and related sensing technologies

A Bojovschi, TV Quoc, HN Trung, DT Quang, TC Le - Applied Sciences, 2019 - mdpi.com
The increase in recent power failures, with negative impacts on humans and the economy,
has been largely attributed to environmental effects and the aging of the power network …

Influence of humidity and contamination on the leakage current of 230-kV composite insulator

S Mohammadnabi, KH Rahmani - Electric Power Systems Research, 2021 - Elsevier
In high-voltage transmission lines, the insulator is one of the most important components.
One of the important factors which could increase the electrical conductivity is the …

The synergistic effect of micro structure/nanofiller/superhydrophobicity on the surface flashover

Q Xie, G Ma, P Wang, X Zhang, J Yan, Z Liu… - High …, 2022 - Wiley Online Library
The surface flashover is affected by many factors, such as surface roughness, nanofillers
and chemical functional groups. In this research study, polyamide mesh was utilised as a …

Monitoring of dry bands and discharge activities at the surface of textured insulators with AC clean fog test conditions

MEA Slama, M Albano, AM Haddad, RT Waters… - Energies, 2021 - mdpi.com
The aim of this study is the presentation of the results of an in-lab comparative study of
electrical and thermal monitoring of artificially polluted, HTV-textured silicone rubber …

Dynamic modeling of flashover of polymer insulators under polluted conditions based on HGA-PSO algorithm

N Fahimi, HR Sezavar, AAS Akmal - Electric Power Systems Research, 2022 - Elsevier
This paper investigates the pre-flashover conditions of polymer insulators under polluted
condition. This investigation is done by combination of analytical mathematical formulations …

An improved dynamic multi-arcs modeling approach for pollution flashover of silicone rubber insulator

HR Sezavar, N Fahimi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article presents a dynamic modeling approach to analyze pollution flashover of silicone
rubber insulators. Pre-flashover conditions can be used to represent analytical formulations …

Synthesis, characterization and thermoelectric properties of new non-conjugated nitroxide radical-containing metallopolymers

MT Lau, Z Li, Z Sun, WY Wong - Polymer, 2022 - Elsevier
In the last decade, there is an intense interest in the study of conjugated organic polymers
for thermoelectric (TE) application. Non-conjugated polymers are usually considered as the …

Flashover prediction of polymer insulators based on dynamic modeling of pollution layer resistance using ANN

N Fahimi, HR Sezavar… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, a novel dynamic approach is proposed to analyze pollution layer resistance of
polymer insulators. One of the main challenges in dynamic modeling of pollution layer …

Risk assessment of contaminated composite insulators in pre-flashover conditions

HR Sezavar, N Fahimi, S Hasanzadeh… - Electric Power Systems …, 2024 - Elsevier
In this paper, a novel approach for risk assessment of the outdoor polluted insulators is
presented to predict dry band-arcing and flashover. Risk evaluation of the dry-band arcing …

Crosslinked poly (2-oxazoline) s as “green” materials for electronic applications

M Fimberger, IA Tsekmes, R Kochetov, JJ Smit… - Polymers, 2015 - mdpi.com
Poly (2-nonyl-2-oxazoline) 80-stat-poly (2-dec-9′-enyl-2-oxazoline) 20 and poly (2-dec-9′-
enyl-2-oxazoline) 100 can be synthesized from the cationic ring-opening polymerization of …