Experimental and numerical analysis of damage characteristics to opgw strands under first lightning strike and continuous current

•The lightning damage modes of OPGWs due to different damage mechanisms were analyzed.•Damage parameters were defined to quantitatively evaluate lightning damage of OPGWs.•Lightning damage degree and distribution are affected by the electrode material.•Melting damage volume increased with action int...

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Veröffentlicht in:	Electric power systems research 2020-10, Vol.187, p.106515, Article 106515
Hauptverfasser:	Sun, Jinru, Yao, Xueling, Huang, Yang, Jiao, Zijia, Chen, Jingliang
Format:	Artikel
Sprache:	eng
Schlagworte:	Ablation Continuous fibers Current impulses Damage Electric arc melting Electric power lines Electricity distribution Fiber optics Finite element analysis Finite element method Influencing factors, finite element simulation Lightning Lightning damage Lightning strikes Mathematical analysis Melting points Multiple lightning strikes Numerical analysis Optical fiber ground wires Optical fibers Power lines Strands Sweeping Transmission lines
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