Lightning to earthed structures: Striking distance variation with stroke polarity, structure geometry and altitude based on a theoretical approach

NI Petrov, RT Waters - Journal of Electrostatics, 2021 - Elsevier
The striking distance and attractive radius of grounded structures to downward lightning
strokes depend significantly on the polarity of the stroke. The paper quantifies the reduction …

Protection of distribution overhead power lines against direct lightning strokes by means of underbuilt ground wires

E Stracqualursi, R Araneo, JB Faria… - Electric Power Systems …, 2022 - Elsevier
In the present work we assess the lightning performance against direct strokes of overhead
distribution lines, making use of the theory of multiconductor transmission lines with …

Lightning attachment models and maximum shielding failure current of overhead transmission lines: Implications in insulation coordination of substations

PN Mikropoulos, TE Tsovilis - IET generation, transmission & distribution, 2010 - IET
The maximum shielding failure current of overhead transmission lines is an important
parameter in evaluating the shielding performance of the lines and in insulation coordination …

Investigation and improvement of standard external lightning protection system: Industrial case study

IMY Negara, D Fahmi, DA Asfani, IGNS Hernanda… - Energies, 2021 - mdpi.com
In this study, the lightning protection system and grounding system of one plant of the
petrochemical industry were investigated, evaluated, and improved. The methods used in …

Estimation of the shielding performance of overhead transmission lines: The effects of lightning attachment model and lightning crest current distribution

PN Mikropoulos, TE Tsovilis - IEEE Transactions on Dielectrics …, 2012 - ieeexplore.ieee.org
Shielding failure of overhead transmission lines is a major cause of transmission system
outages, affecting reliability of power supply and resulting in economic losses. In this study …

Estimation of lightning incidence to overhead transmission lines

PN Mikropoulos, TE Tsovilis - IEEE transactions on power …, 2010 - ieeexplore.ieee.org
General expressions for the estimation of lightning incidence to overhead transmission lines
on the basis of electrogeometric and generic models are introduced, which consider …

Modeling of substation shielding against direct lightning strikes

FAM Rizk - IEEE Transactions on Electromagnetic …, 2010 - ieeexplore.ieee.org
The paper comprises the first application of the concept of upward leader inception and
propagation to meet the downward negative leader in a final jump, to assess shielding of …

Parametric x-ray radiation and coherent bremsstrahlung from nonrelativistic electrons in crystals

ID Feranchuk, A Ulyanenkov, J Harada, JCH Spence - Physical Review E, 2000 - APS
A theoretical analysis of radiation spectra produced during the coherent interaction of
nonrelativistic electrons with crystals has been carried out. The output intensity has been …

Application of the transfer matrix approach to direct lightning studies of overhead power lines with underbuilt shield wires—Part I: Theory

E Stracqualursi, R Araneo, JB Faria… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This work is devoted to the analysis of voltages produced on overhead distribution lines hit
by direct lightning. We will consider arbitrary terminations at both line ends and, also …

A 3-D self-organized leader propagation model and its engineering approximation for lightning protection analysis

Y Xu, M Chen - IEEE transactions on power delivery, 2013 - ieeexplore.ieee.org
This paper presents a 3-D self-organized model of a downward stepped leader in negative
cloud-to-ground lightning. In the model, the characteristic features of stepped leaders are …