Results 21 to 30 of about 583,507 (329)

Effects of volume and surface conductivity on the surface charge and electric field characteristics of the tri‐post insulator in SF6‐filled ± 500 kV DC‐GIL

IET Generation, Transmission & Distribution, 2023
Herein, the surface charge characteristics of a tri‐post insulator in a ± 500 kV direct current gas‐insulated transmission lines (DC‐GIL) filled with SF6 are thoroughly studied.
Xiaolong Li, Guangkuo Zhang, Chen Cao, Yan Shi, Jie Li, Wenzhi Chang   +5 more
doaj   +1 more source

Effect of graphene modified semi‐conductive shielding layer on space charge accumulation in insulation layer for high‐voltage direct current cable

High Voltage, 2022
Space charge accumulation in the insulation layer of high‐voltage direct current (HVDC) cable is one of the key factors restricting the development of HVDC cable.
Guochang Li, Xuejing Li, Fan Zhang, Xiaojian Liang, Mingyue Liu, Yanhui Wei, Shengtao Li, Chuncheng Hao, Qingquan Lei   +8 more
doaj   +1 more source

Surface charge accumulation characteristics on DC GIL three-post insulators considering the influence of temperature gradient [PDF]

, 2023
Surface charge accumulation is considered to be a critical factor in flashover failure of three-post insulators. However, surface charge accumulation characteristics on three-post insulators with complex structures and uneven electric fields are still ...
Li, Qingmin, Wang, Jian, Xue, Naifan, Liu, Zhipeng, Hu, Qi, Haddad, Manu   +5 more
core   +1 more source

Mechanisms for surface potential decay on fluorinated epoxy in high voltage DC applications [PDF]

, 2014
Epoxy resin has been extensively used for decades as an insulation material in high voltage transmission systems. However, this insulation material does suffer from bulk and surface charging when used as insulating spacer, mainly in high voltage DC ...
Z. An, Mohamad, A., Y. Zhang, An, Z., A. Mohamad, Chen, G., G. Chen, Zhang, Y.   +7 more
core   +1 more source

Review of Streamer Dynamics and Surface Charge Accumulation on Ice Surfaces

Electrical and Electronic Engineering, 2013
This paper rev iews the main contributions of the CIGELE research team to the dynamics of streamer d ischarges along ice surfaces. These investigations were main ly performed under lightning impulse voltage, in at mospheric air. High-speed streak photography techniques were used to observe the streamers propagating between a rod-plane configuration ...
Farzaneh, Masoud, Fofana, Issouf
openaire   +3 more sources

Surface charge accumulation and pre‐flashover characteristics induced by metal particles on the insulator surfaces of 1100 kV GILs under AC voltage

, 2020
With the increase in the voltage and capacitance of gas-insulated transmission lines (GILs), the insulation failure of GIL has attracted more and more attention.
L. Xing, L. Weidong, Xuan Yuan, C. Weijiang, Bi Jian-gang   +4 more
semanticscholar   +1 more source

Surface charge pattern analysis based on the field-dependent charging theory: A review

, 2020
Surface charge pattern analysis on HVDC insulators is a difficult task, which requires a comprehensive understanding of the physical mechanisms of surface charging.
Naderiallaf, Hadi, Lei, Zhipeng, Zhang, Zhousheng, Li, Qiuye, Wang, Ya, Liu, Peng, Wang, Zheming, Zhang, Lei   +7 more
core   +1 more source

Probing the surface charge of condensates using microelectrophoresis

, 2023
Biomolecular condensates play an important role in cellular organization. Coacervates are commonly used as model systems that mimic the physiochemical properties of biomolecular condensates, and are simultaneously studied as protocell models. The surface
Evan, Spruijt, Brent, Visser, Merlijn, van Haren   +2 more
core   +1 more source

Charge accumulation and dissipation characteristics of rGO / CNTs / EP composite coating

Journal of Aeronautical Materials, 2022
The process of charge accumulation and dissipation on the surface of rGO / CNTs / EP composite coating was analyzed theoretically, and the fitting analysis was carried out according to the experimental data.
ZHAO Xin, XING Yilong, LI Meng, HUANG Chengchao, ZHAO Haodong, YANG Huarong   +5 more
doaj   +1 more source

Surface-Charge-Switchable and Size-Transformable Thermosensitive Nanocomposites for Chemo-Photothermal Eradication of Bacterial Biofilms in Vitro and in Vivo

, 2022
The appearance of multidrug-resistant bacteria and their biofilms presents a serious threat to modern medical systems. Herein, we fabricated a novel gold-nanorod-based chemo-photothermal-integrated antimicrobial platform with surface-charge-switchable ...
Lijiao Yang (1967509), Xiaohui Wan (11425496), Min Yang, Jianbin Luo (1782397), Yongchao Yao (673065), Daoping Yan, Meihui Yin (7483241), Jipeng Xiao, Daoping Yan (11425499), Jipeng Xiao (12066554), Meihui Yin, Xiaohui Wan, Jianbin Luo, Yongchao Yao, Min Yang (146229), Lijiao Yang   +15 more
core   +1 more source