Analysis of Surge Propagation with Lightning Arrester using FDTD for 25 kV-AC Transmission Line [PDF]
, 2017 This paper analyzes lightning surge propagation and reflection as the surge arrives at a lightning arrester. Telegraphist equations have been used to characterize the voltage and current of a travelling wave in a lossless power transmission line and ...
Aodsup, K. (Kokiat) +1 more
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Нелинейные ограничители перенапряжений 220…400 кВ модульного исполнения [PDF]
, 2011 В статье приведен обзор конструкции и технических характеристик ограничителей перенапряжений классов 220; 330 и 400 кВ модульного исполнения в полимерных корпусах, разработанных предприятием НИИВН.An overview of design and technical specifications of ...
Задерехин, А. А. +3 more
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The Effects of Electrical Degradation on the Microstructure of Metal Oxide Varistor [PDF]
, 2001 In this paper, the findings from systematic experiments with the purpose to determine the degradation effect of single and multiple current pulses on the microstructure of the Metal Oxide (MO) varistor are described. Six distribution class varistors from
Mardira, K. P. +2 more
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Development of High Gradient ZnO Arrester Material for High Voltage Applications
IEEE Access, 2020 The presence of stray capacitance in ZnO (Zinc Oxide) surge arresters causes hurdles in arrester operation and non-uniform voltage distribution along the arrester column, especially for High Voltage (HV) and Extra high voltage (EHV) applications.
Kannadasan Raju +4 more
doaj +1 more source
Consideration of surge arresters for low voltage mains applications [PDF]
, 2012 The work presented in this report details the background to surge arresters and surge protective device components, viz., spark gaps, gas discharge tubes and metal oxide varistors.
Michalopoulos, Aristidis
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Modelling of Metal Oxide Surge Arresters in Simulation Software DYNAST
, 2017 This paper describes the possibilities for mathematical modelling of gap-less surge arresters in the simulation software DYNAST. This tool does not belong to standard modelling softwares in the field of electric power engineering. However, it may provide
Vladislav Síťař, Jan Veleba
semanticscholar +1 more source
Enhanced earthing performance by improved design and grounding material properties [PDF]
, 2018 An enhance ground electrode (E.G.E.) is a portable grounding system that acts as an additional grounding system, designed for zero potential reference points. The E.G.E could eliminate the increasing of resistance in grounding conductor as it placed next
Mohd Hasni, Nur Alyaa
core
Hybrid HVDC circuit breaker with self-powered gate drives [PDF]
, 2016 The ever increasing electric power demand and the advent of renewable energy sources have revived the interest in high-voltage direct current (HVDC) multi-terminal networks.
Alan J. Watson +16 more
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Surge Arrester Monitoring under Different Operating Conditions Using Bees-ANFIS
Iranian Journal of Electrical and Electronic Engineering, 2019 The essential role of surge arresters is equipment protection against over-voltages to increase system reliability. Different monitoring techniques have been used to diagnose surge arrester condition.
M. Khodsuz, S. Seyyedbarzegar
doaj
High current pulse transducer for metal-oxide surge arresters [PDF]
, 2007 High-voltage arresters of 160 kV and higher voltage types based on zinc-oxide varistors are important and expensive devices. The main imperfection of existing devices for the varistors monitoring is necessity of human intervention to work with them.
Gurevich, Vladimir
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