Positive and negative streamers in air and nitrogen in a sharply inhomogeneous electric field under conditions of runaway electron generation

D Beloplotov, V Tarasenko, D Sorokin, C Zhang… - High …, 2023 - Wiley Online Library
The development of positive and negative streamers in a point‐to‐plane gap filled with air
and nitrogen at various pressures (50–200 kPa) and voltages (8–25 kV) was studied. A four …

[HTML][HTML] Imaging and simulations of positive surface and airborne streamers adjacent to dielectric material

M Florkowski - Measurement, 2021 - Elsevier
This paper presents the imaging and simulations of positive airborne and surface streamers
in the air that is adjacent to a dielectric material. The goal of this paper is to investigate the …

On the electrical breakdown of GFRP wind turbine blades due to direct lightning strokes

H He, W Chen, B Luo, K Bian, N Xiang, Y Yin, Z Zhang… - Renewable Energy, 2022 - Elsevier
Lightning puncture damage on the wind turbine blades can pose a severe threat to the safe
operation of large-capacity wind turbines. We investigated its formation by performing long …

Breakdown characteristics of a long air gap containing a floating conductor under positive switching impulse

J Gao, L Wang, S Wu, C Xie, L Liu, E Li… - … on Dielectrics and …, 2022 - ieeexplore.ieee.org
Experiments on the breakdown characteristics of a long air gap containing a floating
conductor under switching impulse are carried out to address issues in live-line work …

Temperature measurements of long sparks in air using time-resolved moiré deflectometry

C Cheng, H He, B Luo, L Liu, W Chen… - Journal of Physics D …, 2022 - iopscience.iop.org
This paper presents an original investigation into time-resolved moiré deflectometry (MD) for
gas temperature measurements of long sparks in air. In order to perform a rigorous …

Research of cycloaliphatic epoxy resin and silicone rubber composite insulator interface based on four‐electrode system and temperature rise model

Y Wang, Y Liu, H Mei, M Xie, L Wang - High Voltage, 2023 - Wiley Online Library
Interface degradation between mandrel and sheath can cause a decrease in insulation
performance and mechanical strength of composite insulators. In this study, the interface …

Simulation on the effect of oxygen concentration on the positive secondary streamer generated in oxygen-rich nitrogen–oxygen mixtures under atmospheric pressure

Z Wei, R Ono, A Komuro - Plasma Sources Science and …, 2024 - iopscience.iop.org
In this study, we investigated the effect of various O2 concentrations, from 20% to 90%, in
nitrogen–oxygen (N2/O2) mixtures on the characteristics of secondary streamers. As oxygen …

Discharge characteristics of leader inception and development under 10 m long air gap—experimental observation and simulation results

C Peng, X Dong, Y Zhao, Z Li, Y Zheng, X Pei… - High …, 2023 - Wiley Online Library
The physical mechanism of leader formation and development is not well understood. In this
study, we present experimental and simulation results obtained with a 10 m long air gap …

Modular Lightning Protection for Wind Turbines

S Pastromas, E Pyrgioti - Wind, 2023 - mdpi.com
Wind energy holds a leading position among other renewable energy sources in electricity
production. The competitive advantage of wind turbines to be connected to every electrical …

Accumulation characteristics of precipitation static on rotating wind turbine blades and its influence on the lightning attachment characteristics

L Jiang, Z Jiang, J Lu, D Hu, P Xie, X Huang - High Voltage, 2024 - Wiley Online Library
The linear velocity at the tip of large wind turbine blades can reach 100 m/s, generating
static electricity through friction with airborne particles. However, the accumulation …