Calculation of UHV transformer insulation risk by extended Monte Carlo method

F Safaei, M Niasati - Electric Power Systems Research, 2023 - Elsevier
This study aims at proposing a criterion for transformer insulation risk (IR) due to lightning
overvoltages (LOVs) generated by back-flashover (BF) in ultra-high voltage substations …

Effects of high frequency modeling & grounding system parameters on transient recovery voltage across vacuum circuit breakers for capacitor switching in wind power …

NA Kafshgari, N Ramezani, H Nouri - … Journal of Electrical Power & Energy …, 2019 - Elsevier
This paper investigates the transient recovery voltages across vacuum circuit breakers used
for the switching shunt capacitor bank in wind power plants, which are connected to the …

A new method for surge arrester placement in high‐voltage substations considering environmental effects

F Safaei, M Niasati - IET Science, Measurement & Technology, 2024 - Wiley Online Library
Conventional approaches for determining the optimal locations of surge arresters (SAs) can
result in an unnecessary increase in the number of these devices in high‐voltage …

Estimation of parameters of metal-oxide surge arrester models using Big Bang-Big Crunch and Hybrid Big Bang-Big Crunch algorithms

MM Abravesh, A Sheikholeslami… - Journal of AI and …, 2016 - jad.shahroodut.ac.ir
Metal oxide surge arrester accurate modeling and its parameter identification are very
important for insulation coordination studies, arrester allocation and system reliability. Since …

[HTML][HTML] Desempeño de modelos de pararrayos de óxido metálico frente a impulsos de corriente

B Alba Valle, O Hernández Areu - Ingeniería Energética, 2018 - scielo.sld.cu
Los pararrayos de óxido de zinc (MOSA) son dispositivos utilizados en la protección contra
sobretensiones. Actualmente se han desarrollado modelos matemáticos como herramientas …

[PDF][PDF] Adjustment of the MATLAB surge arrester model parameters

O Shpolianskyi - Технічна електродинаміка, 2020 - jnas.nbuv.gov.ua
This article proposes a method for the parameters adjustment of the Matlab Simscape library
Surge Arrester block. It is based on building of nonlinear VI characteristic by approximation …

Electrical Surge Phenomenon in Power Distribution Network

AO Osahenvenmwen, OC Iroh… - Advances in Electrical …, 2019 - sciengtexopen.org
This study presents the electrical surge phenomenon in Power distribution network, focused
on electrical surge which affects the power quality being distributed to customers. Three …

[PDF][PDF] Convert the Amplitudes of Different Surge Waves Based on Equivalent Energy

MVN Hoang - gmsarnjournal.com
Damaged medium voltage lighting arresters (MVLA) are often caused by the energy
dissipation generated by the surge current exceeding the allowable absorbed energy …

[PDF][PDF] Mitigation of Flashover from Multiple Lightning strokes in Overhead Catenary System by using ATPDraw

KM Minja, PV Chombo, N Promvichai… - 2017 IEEJ PE&S–IEEE … - researchgate.net
This paper studies significance of mitigating flashover across insulators used in Overhead
Catenary System. The improvement of lightning performance with surge arrester's …

ADJUSTMENT OF THE MATLAB SURGE ARRESTER MODEL PARAMETERS

ОГ Шполянский - Технiчна електродинамiка, 2020 - elibrary.ru
This article proposes a method for the parameters adjustment of the Matlab Simscape library
Surge Arrester block. It is based on building of nonlinear VI characteristic by approximation …