Research On Optimization Of Lightning Protection System For LNG Receiving Station

With the rapid development of modern industrial technology and the needs of the national energy security strategy,various oil storage technologies have been rapidly developed to meet the country’s energy demand and safety requirements.LNG receiving terminals require high lightning protection design and requirements due to their unique physical properties and safety levels.In recent years,lightning strikes at LNG receiving terminals have occurred frequently,making it imminent to upgrade the lightning protection of LNG receiving terminals.This paper mainly studies the optimization of the lightning protection system of LNG receiving terminal,and simulates the lightning protection of the transmission line of the LNG receiving terminal,and focus on lightning protection design of LNG storage tank and simulates the resistance reduction measures of the grounding resistance.First,it mainly discusses the development status and research significance of LNG receiving terminals,and introduces some lightning protection designs and principles of LNG receiving terminals.The lightning protection of transmission lines,soil protection and resistance reduction measures are the research content of this article.Secondly,starting from the formation mechanism of lightning current,the electrical parameters of lightning current and its hazards are analyzed in detail,and the research on lightning protection measures is put forward for its hazards.Through these measures for transmission lines and substations,we have an in-depth understanding of traditional lightning protection.Furthermore,the lightning protection design and principles of the LNG receiving terminal are clarified based on the basic situations.For the specific LNG receiving terminal design,the selection of grounding materials and the grounding requirements of process equipment and electrical equipment are clarified.Finally,the impact of grounding resistance and lightning arresters on the lightning protection of transmission lines and how to reduce the resistance of the grounding grid of LNG receiving terminals are discussed.The double-layer horizontal grounding resistance reduction method is analyzed in detail.Aiming at the lightning protection design of LNG storage tank,proposes and verifies the optimization scheme of lightning protection grounding system,so as to improve the overall lightning protection effect.