Results 281 to 290 of about 594,474 (325)
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Deep learning–based surface contamination severity prediction of metal oxide surge arrester in power system

IET Science, Measurement & Technology, 2021
This paper presents an advanced technique based on cross-Stockwell transform (XST) and sparse autoencoder to predict the surface contamination severity of metal oxide surge arrester (MOSA) employing leakage current signal.
A. Das, S. Dalai, B. Chatterjee
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   +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

An Efficient Surge Arrester Placement Strategy to Improve the Lightning Performance of Long Transmission Line

IEEE Power & Energy Society General Meeting, 2020
Installing surge arresters would enhance the transmission system reliability but it comes with extra capital expenditure. In order to determine the most efficient and cost-effective surge arrester configuration of the protected transmission line, a novel
Qianxue Xia, G. Karady
semanticscholar   +1 more source

Performance Analysis of HVDC Lines Using Surge Arrester

2020 International Conference on Emerging Frontiers in Electrical and Electronic Technologies (ICEFEET), 2020
The paper shows a comparative harmonic analysis with surge arrester as well as without surge arrester at the inverter side for LCC (Line Commutated Converter) based HVDC system. Harmonic analysis has been done based on both conditions i.e.
S. Agarwal, R. Singh, Vimlesh Verma
semanticscholar   +1 more source

Experimental verification of monitoring techniques for metal‐oxide surge arrester

, 2020
Monitoring and diagnostics of metal-oxide surge arresters (MOSAs) have been a research topic for decades. During these years, many monitoring and diagnostic methods have been developed.
Goran Dobrić   +2 more
semanticscholar   +1 more source

Appropriate Surge Arrester Lead Lengths for Improved Distribution Transformer Protection — Kenyan Case Study

2020 IEEE PES/IAS PowerAfrica, 2020
Medium voltage power networks are frequently exposed to overvoltages caused by lightning strikes and other external events. In the Kenyan distribution system, metal oxide surge arresters are widely used for surge protection of secondary distribution ...
Julius Ndirangu   +4 more
semanticscholar   +1 more source

Electroquasistatic quasi‐3D finite element simulation of a graded surge arrester

International journal of numerical modelling, 2019
Surge arresters of station class are equipped with field grading elements that break the rotational symmetry of the arrester body. To avoid a computationally expensive full three‐dimensional (3D) simulation, a quasi‐3D simulation procedure is presented ...
Laura A. M. D’Angelo   +2 more
semanticscholar   +1 more source

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