新型石墨间隙电涌保护器的研究  

Research on the New Type of Graphite Gap Surge Protector

作　　者：邓猛[1] 冯桂力[2] 张枨[1] 应达[1] 李祥超[1] 

机构地区：[1]南京信息工程大学雷电科学与技术系,南京210044 [2]山东省气象局,济南250031

出　　处：《电瓷避雷器》2013年第4期122-126,共5页Insulators and Surge Arresters

基　　金：江苏高校优势学科建设工程资助项目(PAPD)

摘　　要：针对传统间隙电涌保护器(SPD)的缺点,结合石墨材料特性和汤逊气体放电理论,利用开路电压波发生器和ICGS冲击系统对新型石墨间隙SPD进行大量试验,得出新型石墨间隙SPD增加了高压触发电容装置后,多间隙逐级触发降低了电压保护水平,同时在时延特性上要优于传统间隙SPD;同时新型石墨间隙SPD能够在工频电压过零前切断续流达到灭弧要求。并且石墨属于非金属材料,不会因为高温产生等离子体,能够增加器件的稳定性延缓老化。Based on the disadvantage of traditional gap surge protector （SPD）, and combined with the material characteristics of graphite and Thompson gas discharge theory, a large scale of experiments on the new type of graphite gap SPD were completed by open circuit voltage wave generator and ICGS impact system. The results show that, after the high voltage trigger capacitance device was added to the new type of graphite gap SPD, every gap was triggered step by step so that the voltage protection level was reduced. At the same time, the graphite gap SPD is better than traditional gap SPD on time delay characteristics, and is able to achieve the arc extinction requirements before the power frequency voltage dropped to zero. In addition, graphite belongs to non-metal materials; it won＇t produce plasma under high temperature, which can improve the stability of device and delay aging.

关 键 词：石墨 间隙 电涌保护器 续流 电压保护水平 

分 类 号：TM862[电气工程—高电压与绝缘技术]