Results 291 to 300 of about 572,795 (322)

Infrared Image-Based Condition Assessment of 33kV SIR Housed ZnO Surge Arresters

R. S. Illesinghe, N. N. K. Paranavithana, M.A.R.M. Fernando, Waranatha Abeygunasekara   +3 more
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Monitoring ZnO surge arresters using convolutional neural networks and image processing techniques combined with signal alignment

Bruno Vinícius Silveira Araújo, Gustavo Aragão Rodrigues, Johnny Herbert Paixão de Oliveira, George Victor Rocha Xavier, Ulisses Daniel Enes de Souza Lebre, Charles Antony Cordeiro, Eduardo Oliveira Freire, Estácio Tavares Wanderley Neto, Tarso Vilela Ferreira   +8 more
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Optimal Location of Surge Arrester for Protection of 220kV Transmission Line Against Lightning Over Voltages Using EMTP-RV Software

Sanjeet Dwivedi, Anil S. Khopkar, Hemang Tailor   +2 more
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Analysis of Thermal Effects for Polymer-Housed Metal-Oxide Surge Arrester Under Multiple Strokes

IEEE Transactions on Power Delivery, 2022
Multiple strokes are the main factors affecting the safe and stable operation of power equipment. As the core lightning protection equipment, arresters are also frequently thermally collapsed due to multiple strokes.
Lin Huang, Lijun Zhou, Wei Chen, Renwei Wei, Dong Zhang, Dongyang Wang, Haiquan Zhao, Yutang Ma   +7 more
semanticscholar   +1 more source

Development of a Model for Calculation of Energy Absorbed by a ZnO Surge Arrester During Transients

IEEE Transactions on Power Delivery, 2022
Several models were successfully developed to reproduce the dynamic behavior of ZnO surge arrester, but the accuracy and reliability of these models are only evaluated for residual voltage calculations.
P. B. Vilar, G. Lira, E. Costa, V. Brito, M. Maia   +4 more
semanticscholar   +1 more source

Response of a Surge Arrester With a Series Gap for 6.6-kV Distribution Lines to Steep-Front Transients

IEEE transactions on electromagnetic compatibility (Print), 2022
Surge arresters with a series gap are commonly installed in distribution lines to effectively protect insulators, transformers, and other equipment from lightning threats in Japan.
Ryota Mori, A. Tatematsu
semanticscholar   +1 more source

A Transfer Learning Approach to Sense the Degree of Surface Pollution for Metal Oxide Surge Arrester Employing Infrared Thermal Imaging

IEEE Sensors Journal, 2021
Deposition of environmental pollutants like dust, salt, alkali etc. on the housing of metal oxide surge arrester can induces premature failure of it in long run. Therefore, reliability of an electrical system can be affected.
A. Das, D. Dey, B. Chatterjee, S. Dalai
semanticscholar   +1 more source

Resistive Leakage Current Based Condition Assessment of Zinc Oxide Surge Arrester: A Review

IEEE International Conference on Properties and Applications of Dielectric Materials, 2021
Leakage current based condition assessment is most extensively opted method to monitor the ageing and deterioration of zinc oxide surge arresters. Particularly, the resistive component of leakage current is considered to be directly related with the ...
Abdullah Munir, Z. Abdul-Malek, Rai Naveed Arshad   +2 more
semanticscholar   +1 more source

Sensing Surface Contamination of Metal Oxide Surge Arrester Through Resistive Leakage Current Signal Analysis by Mathematical Morphology

IEEE Sensors Journal, 2020
This paper presents an advanced method of sensing surface contamination of polymeric housed Metal Oxide Surge Arrester through resistive leakage current signal analysis.
A. Das, Banibrata Ghosh, S. Dalai, B. Chatterjee   +3 more
semanticscholar   +1 more source

Limiting surge arrester failure under direct lightning strokes for attaining service continuity of distribution networks

IET Generation, Transmission & Distribution, 2020
This study introduces an arrangement of surge arrester, Rogowski coil, and triac to attain service continuity of distribution networks. This new arrangement is proposed to limit the arrester failure due to lightning flashes striking distribution feeders.
N. Sabiha
semanticscholar   +1 more source