Results 21 to 30 of about 2,725 (186)

Evaluation of V–t characteristics caused by lightning strokes at different locations along transmission lines

open access: yesJournal of King Saud University: Engineering Sciences, 2018
Lightning stroke causes a current injection into transmission lines at the point of contact. The lightning performance can be difficult to understand without using simulation programs.
Mohammed Qais, Usama Khaled
doaj   +1 more source

Mitigation of Lightning Overvoltages Using STATCOM in Grid-Connected PV Systems [PDF]

open access: yesPort Said Engineering Research Journal, 2020
Lightning strike causes a large lightning voltage injection into grid-connected PV systems at the point between inverter and transformer. The overvoltage resulting from the lightning-impulse voltage is a major concern for the multiple expensive ...
ibrahim hamdeen   +2 more
doaj   +1 more source

Research of lightning protection method of direct distribution line of ventilator station of a coal mine

open access: yesGong-kuang zidonghua, 2014
In view of problem that rotary motor of direct distribution line is easy to be damaged by lightning, the paper analyzed status of lightning protection of direct distribution line of ventilator station of a coal mine and its problems, indicated that the ...
ZHOU Yilong   +5 more
doaj   +1 more source

The Testing Of High Voltage Silicon Carbide Lightning Arresters

open access: yesTikrit Journal of Engineering Sciences, 2022
The majority of high voltage gapped silicon carbide lightning arresters on transmission and sub transmission systems have been in service for over 10 years.
Arkan A. Hussein
doaj   +1 more source

Investigation of Diagnostic Techniques for Metal Oxide Surge Arresters [PDF]

open access: yes, 2005
Gapless metal oxide surge arresters(MOSA)have been available in the market for many years since they were first introduced in the 1970's. The aim of this study is to investigate some reliable diagnostic techniques to assess the condition of a metal oxide
Mardira, Karl P.   +2 more
core   +1 more source

STUDY ON SURGE ARRESTER PERFORMANCE DUE TO LIGHTNING STROKE IN 20 KV DISTRIBUTION LINES [PDF]

open access: yes, 2009
Abstrak Electric energy has been transmiting from power station to end user with transmission and distribution lines. Lightning strokes are problems that occure in transmission and distribution lines and make them fault when the electric energy were ...
Liliyana NS, Liliyana NS   +2 more
core  

Connecting methods of location monitoring equipment to overhead power lines

open access: yesИзвестия высших учебных заведений: Проблемы энергетики
THE RELEVANCE of the research lies in expanding the technical capabilities of location monitoring of overhead power lines by developing a method for connecting location equipment to them in the absence of standard high-frequency processing of lines ...
R. G. Minullin   +5 more
doaj   +1 more source

A Field Observation on Lightning Performance Improvement of Overhead Distribution Lines [PDF]

open access: yes, 2009
Two feeders of 20 kV overhead distribution lines which are located in a high lightning density area are chosen to be observed as a field study due to their good lightning performance after improvement of lightning protection system.
Hidayat, S. (Syarif)   +3 more
core  

Analysis of Surge Propagation with Lightning Arrester using FDTD for 25 kV-AC Transmission Line [PDF]

open access: yes, 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
core  

Studi Penempatan Arrester Di PT. Pln (Persero) Area Bintaro [PDF]

open access: yes, 2012
Pada umumnya bila arus gangguan itu sebesar 5A atau lebih kecil busur listrik yang timbul pada kontak-kontak antara kawat yang terganggu dan bumi masih dapat padam sendiri (Self Extinguishing).
Badaruddin, B. (Badaruddin)
core   +2 more sources

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