Rising of dynamic polyimide materials: a versatile dielectric for electrical and electronic applications

B Wan, X Dong, X Yang, J Wang, MS Zheng… - Advanced …, 2023 - Wiley Online Library
Polyimides (PIs) are widely used in circuit components, electrical insulators, and power
systems in modern electronic devices and large electrical appliances. Electrical/mechanical …

Self‐healing of electrical damage in polymers

Y Yang, ZM Dang, Q Li, J He - Advanced Science, 2020 - Wiley Online Library
Polymers are widely used as dielectric components and electrical insulations in modern
electronic devices and power systems in the industrial sector, transportation, and large …

Charge cluster triggers unpredictable insulation surface flashover in pressurized SF6

C Li, Y Zhu, J Hu, Q Li, B Zhang… - Journal of Physics D …, 2020 - iopscience.iop.org
This paper reports an unpredictable insulation surface flashover phenomenon triggered by
surface charge clusters under DC electric field, which is experimentally revealed by a donut …

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 …

Understanding surface charge accumulation and surface flashover on spacers in compressed gas insulation

C Li, C Lin, B Zhang, Q Li, W Liu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Surface charges have the effect of changing the electric field over spacers in compressed
gases, which may affect the stable operation of gas insulated equipment and could possibly …

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 …

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 …

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 …

The regulation mechanism of SiC/epoxy coatings on surface charge behavior and flashover performance of epoxy/alumina spacers

JY Xue, JH Chen, JH Dong, H Wang… - Journal of Physics D …, 2019 - iopscience.iop.org
Surface charge accumulation on insulators becomes an important bottleneck to restrain the
development of a DC energy transmission system. This study investigates the effects of …