摘要
采用ATP/EMTP软件对猇亭地区220 k V输电线路建模,通过软件仿真,分析了避雷器安装方式及工频相位角对线路反击耐雷性能的影响。利用两者对线路反击耐雷性能的影响,提出了两种新方案,并针对雷击杆塔这种情况,仿真分析了原方案及两种新方案的反击耐雷性能及高电位转移后对相邻杆塔的影响。结果表明:方案二的反击耐雷性能好,而且高电位转移现象轻微,不威胁相邻杆塔的安全运行。
A model of 220 kV transmission line in Xiaoting is established with ATP/EMTP and through simulation,the impact of arrester installation methods and power frequency phase angle on line back-flash lightning withstand performance are analyzed. Two new programs are proposed by using this influence, and for the condition of the tower, the influence of back-flash lightning performance on adjacent towers after high potential transfer phenomenon for the two new programs and the original one are simulated. The results show that the second program has not only good back-flash lightning performance, but also the high potential transfer phenomenon is so slighter that does not threat the safe operation of adjacent towers.
出处
《电瓷避雷器》
CAS
北大核心
2015年第4期43-47,54,共6页
Insulators and Surge Arresters
关键词
反击耐雷性能
高电位转移
ATP/EMTP
back-flash lightning performance
high potential transfer phenomenon
ATP/EMTP