Abstract
The weak lighning protection performance of transmission lines should be improved in complicate climate and complex topography as well as frequent lightning activities in Sichuan Area. In order to improve stability of power system, it is very important to improve the assessment and rebuilding abilitiy of lightning protection for transmission lines. In this paper, we researched the lightning protection of transmission lines by the technology and strategy of differentiated lightning protection. We analyzed the distribution law of lightning flashovers for tower span, landform, lightning protection measures and so on. The analysis results can provide a macroscopic guidance for differentiated lightning protection work.
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