DC flashover characteristics of a polymeric insulator in presence of surface charges

S Kumara, S Alam, IR Hoque… - … on Dielectrics and …, 2012 - ieeexplore.ieee.org
Effect of surface charges on dc flashover characteristics of a composite polymeric insulator is
studied by means of experiments and theoretical calculations. The considered insulator …

Effects of surface roughness on surface charge accumulation characteristics and surface flashover performance of alumina-filled epoxy resin spacers

J Xue, H Wang, J Chen, K Li, Y Liu, B Song… - Journal of Applied …, 2018 - pubs.aip.org
The accumulated charges on the insulator surface become a key factor to incur surface
flashover. The charge accumulation process is closely related to the surface condition. This …

Review of charge accumulation on spacers of gas insulated equipment at DC stress

H Zhou, G Ma, C Wang, J Wang… - CSEE Journal of …, 2019 - ieeexplore.ieee.org
Charge accumulation on the spacer surface in gas insulated equipment is very severe in the
DC field, leading to easy flashover, which restricts the application of DC GIS/GIL. Therefore …

Review of Surface Charge Accumulation on Insulators in DC Gas-Insulated Power Transmission Lines: Measurement and Suppression Measures

F Liang, H Luo, X Fan, X Li, X Wang - Energies, 2023 - mdpi.com
Gas-insulated power transmission lines (GILs) can replace cables and overhead
transmission lines, playing an important role in DC transmission systems. However, the …

Role of ion sources for spacer charging in SF6 gas insulated HVDC systems

M Schueller, U Straumann… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Stationary DC electric fields are determined by the resistivity distribution of the insulation
materials. In the presence of interfaces between different insulation materials, charge …

Metal particle encouraged surface charge accumulation on epoxy insulator with multi-arc surface profile under DC voltage

Y Gao, Z Li, H Wang, X Yuan - IEEE Transactions on Dielectrics …, 2020 - ieeexplore.ieee.org
Surface charge accumulation on epoxy insulator installed in gas insulated switchgear (GIS)
or gas insulated transmission line (GIL) has been recognized as an important factor for …

Distribution of polymer surface charge under DC voltag and its influence on surface flashover characteristics

Q Xie, S Liang, K Fu, L Liu, H Huang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This study investigates the characteristics of polymer surface charge and their influence on
DC surface flashover, which is significant to the study of surface discharge theories and the …

Surface discharge imaging in presence of deposited space charges in non‐uniform DC electric field

M Florkowski, D Krześniak, M Kuniewski… - High …, 2021 - Wiley Online Library
An investigation is made of the influence of an accumulated charge sprinkled on the surface
of an epoxy resin plate in corona mode on partial discharge inception and its forms as …

Development of a high performance high voltage insulator for power transmission lines from blends of polydimethylsiloxane/ethylene vinyl acetate containing …

D Ghosh, S Bhandari, TK Chaki, D Khastgir - RSC advances, 2015 - pubs.rsc.org
Ceramic materials are commonly used as outdoor insulators for high voltage power
transmission lines. Presently these ceramic insulators are replaced by composite polymeric …

New experimental study on the DC flashover voltage of polymer insulators: combined effect of surface charges and air humidity

M Amer, J Laninga, W McDermid, DR Swatek… - High …, 2019 - Wiley Online Library
This research provides conclusions that can partially cover the lack of knowledge related to
the effects of ambient atmospheric conditions on DC electric power transportation. Two …