对喷射气流灭弧防雷装置中爆轰弹丸的研究  

Study on the Detonation Projectile in the Jet Stream Arc Extinguishing Device

作　　者：王硕 韩力 孔佳琦 WANG Shuo;HAN Li;KONG Jiaqi(State Grid Taugshan of Jibei Electric Power Company Limited,Tangshan 063600,China;College of Electrical Engineering,Guangxi University,Nanning 530004,China)

机构地区：[1]国网冀北电力有限公司唐山供电公司,河北唐山063600 [2]广西大学电气工程学院,南宁530004

出　　处：《电瓷避雷器》2020年第3期115-120,共6页Insulators and Surge Arresters

基　　金：国家自然科学基金资助项目(编号:20140597)。

摘　　要：研究了喷射气流灭弧防雷器的重要部件-爆轰弹丸,探究了爆轰弹丸对灭弧效果的影响。首先简要介绍了喷射气流灭弧防雷装置的原理;其次,应用爆炸物理学理论,对爆轰弹丸的起爆条件进行了理论分析,对爆轰弹丸的装药提出了要求;其次,结合对爆轰弹丸产生的冲击波的分析,对爆轰弹丸动作后产生爆轰产物的发展过程进行了数学建模,分析了冲击波和爆轰产物在灭弧过程中发挥的作用;最后通过挂网运行实际效果证明了用爆轰弹丸灭弧的可行性。通过理论分析和实验证明,可以得到:爆轰弹丸在喷射气流灭弧装置灭弧中发挥了至关重要的作用,其中爆轰弹丸的起爆、爆轰弹丸动作产生的冲击波和爆轰产物都是影响灭弧效果的重要因素。The detonation projectile,as an important component of the jet stream arc extinguishing device,is studied,and the influence of the detonation projectile on the arc extinguishing effect is explored.Firstly,the principle of the jet stream arc extinguishing device is briefly introduced.Secondly,using the theory of explosive physics,the theoretical analysis of the detonation conditions of the detonation projectile is carried out,and the requirements for the charge of the detonation projectile are put forward.Secondly,combined with the analysis of the shock wave generated by the projectile,the development process of the detonation product after the detonation projectile action was simulated.The effect of the shock wave and the detonation product in the arc extinguishing process was analyzed.Finally,the feasibility of using the detonation projectile to extinguish the arc is proved by net running.Through theoretical analysis and experimental proof,it can be obtained that the detonation projectile plays a vital role in the arc extinguishing of the jet stream arc extinguishing device,in which shock waves and detonation products generated by detonation projectiles affect the arc extinguishing effect as important factors.

关 键 词：灭弧 爆轰弹丸 起爆 冲击波 爆轰产物 

分 类 号：TM863[电气工程—高电压与绝缘技术]