山东电力技术2025，Vol.52Issue(12)：102-112,11.DOI:10.20097/j.cnki.issn1007-9904.240414
基于电场等效的±800 kV直流输电线路直线塔无人机灭火安全距离研究
Research on the Safety Distance for UAV Fire Extinguishing on ±800 kV DC Transmission Line Linear Tower Based on Electric Field Equivalence
摘要
Abstract
Unmanned aerial vehicle(UAV)fire extinguishing has gradually become an important means for fire fighting on transmission lines.For ultra high voltage(UHV)transmission lines,due to the high electric field strength around the wires,UAVs are prone to discharging,and the safe distance between the UAV and the wires needs to be controlled.However,there is currently a lack of a basis for setting the safe distance during fire-fighting operations.Based on the principle of electric field equivalence,this paper quantitatively studies and determines the safe distance for UAV fire-fighting operations on the±800 kV direct current(DC)transmission line linear tower by combining simulation and experiment.Firstly,the electric field simulation model for UAV fire extinguishing operation on the linear tower of a±800 kV current transmission line is constructed.Based on the UAV's geometric shape,electrical performance and the surrounding electric field distribution,the spatial electric field distribution of UAV under different fire extinguishing positions and distances is determined using the finite element method.Then,an air gap discharge testing platform is built to simulate the influence of fire extinguishing agents on air gap discharge in fire fighting environment,and the initial induced discharge field strength of the UAV in fire fighting environment is quantitatively analyzed.Finally,by combining with the spatial electric field distribution and the initial induced discharge field strength,the minimum safe distance for UAV fire extinguishing operation on±800 kV DC transmission line linear towers is determined to be 3.0 meters The above research can provide a theoretical basis for the safe distance setting of UAV fire fighting operation of UHV transmission lines,and provide an effective reference for the safe operation of UAV in similar high-voltage environments.关键词
电场等效/电场分布/直流输电线路/无人机灭火/最小安全距离Key words
electric field equivalence/electric field distribution/direct current transmission lines/Unmanned aerial vehicle fire extinguishing/minimum safe distance分类
信息技术与安全科学引用本文复制引用
GUO Yi,HU Shengtao,LIU Yushun,ZHAO Yushun,ZHANG Jiaqing..基于电场等效的±800 kV直流输电线路直线塔无人机灭火安全距离研究[J].山东电力技术,2025,52(12):102-112,11.基金项目
国网安徽省电力公司科技项目(521205220001).Science and Technology Project of State Grid Anhui Electric Power Company(521205220001). （521205220001）
