Simulation of negative and positive corona discharges in air for investigation of electromagnetic waves propagation

V Javandel, A Akbari, M Ardebili… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Corona discharge, as one of the partial discharge (PD) modes, emits electromagnetic (EM)
waves in the ultrahigh frequency (UHF) range. In order to study the behavior of the EM …

The Nanosecond Impulsive Breakdown Characteristics of Air, N2 and CO2 in a Sub-mm Gap

T Liu, I Timoshkin, MP Wilson, MJ Given, SJ MacGregor - Plasma, 2021 - mdpi.com
The present paper investigates the breakdown characteristics—breakdown voltage, with
breakdown occurring on the rising edge of the applied HV impulses, and time to breakdown …

Modelling of Positive Streamers in SF6 Gas under Non-Uniform Electric Field Conditions: Effect of Electronegativity on Streamer Discharges

F Boakye-Mensah, N Bonifaci, R Hanna, I Niyonzima… - J, 2022 - mdpi.com
The use of SF6 in electrical insulation and fast-switching applications cannot be
overemphasized. This is due to its excellent dielectric properties and high breakdown …

Efficient Threshold Evaluation for High-Power Microwave Breakdown With the Discontinuous Galerkin Spectral-Element Time-Domain Method

H Qin, T Zhang, F Liu, H Bao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
As the miniaturization and power of microwave devices increases, there is a growing risk of
high-power microwave (HPM) breakdown, severely impacting the reliable performance of …

Study of the dielectric properties of HFO gas, and its application to reduce the environmental impact of medium-voltage systems

S Soulie - 2021 - theses.hal.science
Replacing SF6 in electrical devices has been a central concern of the electrical industry for
years. Indeed, SF6 is the gas with the highest known global warming power. For many years …

Numerical modelling of streamer discharges for medium voltage electro technical applications

F Boakye-Mensah - 2021 - theses.hal.science
SF6, though its excellent dielectric and physical properties is still a greenhouse gas with
global warming potential, GWP of~ 23900 over a period of 100 years. With an increase in …

Automatic optimization of gas insulated components based on the streamer inception criterion

F Lucchini, N Marconato, P Bettini - Electronics, 2021 - mdpi.com
Gas insulated transmission lines (GILs) are used in electrical systems mainly for power
transmission and High Voltage substation interconnection. In this paper, we focus on the …

Development of HVDC Gas-Insulated Components for the Power Supply of Neutral Beam Injectors

F Lucchini, N Marconato - IEEE Access, 2023 - ieeexplore.ieee.org
The development of High Voltage Direct Current Gas-Insulated components that will be
employed for the power supply of Neutral Beam Injectors, requires specific numerical tools …

Investigation of air breakdown and plasma evolution on microstrip antenna surface using the particle-in-cell method

M Jiang, S **e, L Hu, D Gao, L Zhang, K Zhu… - Physics of Plasmas, 2023 - pubs.aip.org
This paper investigates the breakdown of two microstrip antennas through experiments and
particle-in-cell simulations. The breakdown thresholds of a microstrip dipole antenna and a …

An avalanche-to-streamer transition criterion for overstressed breakdown on a rising slope

T Wong, I Timoshkin, S MacGregor… - … on Plasma Science, 2024 - ieeexplore.ieee.org
The Meek-Raether criterion underpins much of the current physical understanding of gas
breakdown. The classical kinetic approach estimates the moment of transition from …