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Study on OPGW withstand-lightning performance

QI Li-yan, ZHAO Da-ping, LIU Han-xin, WANG Peng, JIA Mei-jian (Communication Department of China Electric Power Research Institute, Beijing 100192,China)  
At present, the study on OPGW cables resisting lightning strike has been paid more and more attention by manufactures, users and research institutes. But the study only limits to outer wring thread material and diameter based on some lightning tests of OPGW. This paper analyses the impacts on the OPGW withstand-lightning performance coming from the aspects of configuration, material, conductivity, testing strain, raw materials and manufacture techniques. It discusses the OPGW 250 C withstand-lightning performance and makes a comprehensive analysis on the testing results.
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