Polymeric insulating materials characteristics for high-voltage applications

TY Wang, J Mao, B Zhang, GX Zhang… - Nature Reviews Electrical …, 2024 - nature.com
Large-scale power system transmission and transformation equipment operates in high-
voltage environments, placing notable requirements on the insulation strength of polymers …

A review on surface flashover phenomena at DC voltage in vacuum and compressed gas

J Sun, S Song, J Zheng, Z Li, J Huo… - … on Dielectrics and …, 2022 - ieeexplore.ieee.org
Surface flashover of insulators at dc voltage is one of the key issues limiting the stable
operation of electric power equipment and electronic components both in pressurized gas …

Field-dependent charging phenomenon of HVDC spacers based on dominant charge behaviors

C Li, C Lin, G Chen, Y Tu, Y Zhou, Q Li… - Applied Physics …, 2019 - pubs.aip.org
Spacers are key components that are used to support high voltage conductors in gas-
insulated substations or gas-insulated lines. The analysis of the surface charge patterns on …

Surface flashover in 50 years: Theoretical models and competing mechanisms

Z Li, J Liu, Y Ohki, G Chen, H Gao, S Li - High Voltage, 2023 - Wiley Online Library
Surface flashover is a devastating electronic avalanche along the gas–solid interface when
a high electric field is applied, which is a potential issue that threatens the safe operations of …

China's 10-year progress in DC gas-insulated equipment: From basic research to industry perspective

C Li, C Zhang, J Lv, F Liang, Z Liang, X Fan… - IEnergy, 2022 - ieeexplore.ieee.org
The construction of the future energy structure of China under the 2050 carbon-neutral
vision requires compact direct current (DC) gas-insulation equipment as important nodes …

Gas–solid interface charge characterisation techniques for HVDC GIS/GIL insulators

L Zhang, C Lin, C Li, SV Suraci, G Chen… - High …, 2020 - Wiley Online Library
Surface charge accumulation on the spacers is one of the key issues restraining the
development of HVDC GIS/GIL. The precise measurement of surface charge properties …

Repetitively pulsed gas discharges: memory effect and discharge mode transition

Z Zhao, J Li - High Voltage, 2020 - Wiley Online Library
Repetitively pulsed gas volume and dielectric surface discharges have gained growing
attention because of peculiar and exciting physics phenomena, high efficiency, high …

Understanding partial discharge behavior from the memory effect induced by residual charges: A review

C Pan, K Wu, G Chen, Y Gao… - … on Dielectrics and …, 2020 - ieeexplore.ieee.org
Residual charges produced in previous partial discharges (PDs) are considered as one
aspect of memory effects that affect subsequent discharge behavior. In this paper, we review …

Superhydrophobic and high-flashover-strength coating for HVDC insulating system

MX Zhu, HG Song, JC Li, JY Xue, QC Yu… - Chemical Engineering …, 2021 - Elsevier
In high voltage power equipment especially those for outdoor applications, the surface of
dielectrics suffers from various problems such as flashover, raining, contamination, and …

Influence mechanism of UVIV on DC surface flashover performances of silicone rubber: from molecule modification to macroscopic characteristics improvement

Z Li, H Gao, L Zhang, P Wang, S Wang, Y Zhu… - Applied Surface …, 2023 - Elsevier
In surface science, surface flashover, which poses a severe danger to the safe operation of
modern silicone rubber (SIR)-based electrical equipment, is a continuous discharge event …