Results 31 to 40 of about 4,509 (248)
A Review of Current Issues in State-of-Art of Wind Farm Overvoltage Protection
This paper elaborates on several important outstanding issues in the state-of-art of overvoltage protection selection for modern wind farms. The lack of experience with this still-new technology, together with the inherent complexity of wind farm ...
Ranko Goić, Petar Sarajčev
doaj +1 more source
Considering on the ground reflection effect on the electromagnetic fields due to lightning channel [PDF]
Lightning electromagnetic fields are important issues for the evaluation of lightning induced overvoltage on power lines and for setting the appropriate protection level for power networks.
Ab Kadir, Mohd Zainal Abidin +2 more
core +1 more source
To address the problem of winding turn-to-turn breakdown faults in 35 kV dry-type transformers in wind farms under overvoltage conditions, this paper establishes a simulation model based on the structural dimensions and material parameters of the ...
Ziheng Pu +4 more
doaj +1 more source
Analysis of transient overvoltage in 220 kV saturated core HTS FCL [PDF]
Saturated Core High Temperature Superconducting (HTS) Fault Current Limiter (FCL) is one kind of limiters that can work effectively on short-circuit current limitation.
Gong, W +7 more
core +1 more source
Старіння поліетиленової ізоляції у високовольтних кабельних системах та контроль якості із використанням імпульсів високої напруги [PDF]
The wide spreading of energy distribution power cable lines made by means of applying cables with insulation made of cross-linked polyethylene usually is associated with a significant number of advantages in terms of better technical performance that ...
Kostiukov, I. O.
core +1 more source
ABSTRACT Data from five rocket‐triggered lightning flashes are adopted to analyse the correlated transient response of buried cables and lightning channel radiations. These five flashes have the same termination point that is right above the buried cables and involve a total of 32 return strokes.
Mi Zhou +9 more
wiley +1 more source
Impact of Grounding Modeling on Lightning-Induced Voltages Evaluation in Distribution Lines
Lightning-induced voltages are one of the main causes of shutdown in distribution lines. In this work, attention is focused on the effects of wideband modeling of electric grounding in the overvoltage calculation along insulator strings due to indirect ...
Daniele Mestriner +3 more
doaj +1 more source
Electromagnetic radiation of simulated mid-gap streamers [PDF]
Electromagnetic field from simulated double-headed mid-gap streamers is computed. The effect of the applied electric field is studied by considering electric fields higher than the conventional breakdown threshold (‘overvoltage’).
Fabró Tàpia, Ferran +1 more
core +1 more source
Influence of Lightning and Grounding Conditions On Flashover Events in a 150kV Transmission Line
Effect of lightning parameters and grounding system impedance on transient overvoltage that occurs in 150 kV overhead transmission lines during lightning using ATP-EMTP modeling.
Novizon Novizon +3 more
doaj +1 more source
A novel lightning protection technique of wind turbine components
The lightning energy can be very harmful to wind turbine (WT) farm components; therefore an effective lightning protection technique is required. In this study, a novel technique for WT components protection is presented.
M.A. Abd-Allah, A. Said, Mahmoud N. Ali
doaj +1 more source

