摘要
金属氧化物避雷器特性数据表明,对于上升时间小于8μs的快速前沿浪涌,电流波峰值出现在电压波峰值之后,避雷器上的残余电压随着电流波峰值的增加而增加,而其放电电流的峰值时间则减少。采用文献中提出的几种模型,使用备选瞬态程序(ATP)版本的电磁暂态程序(EMTP)进行模拟,研究了电力系统在快速电磁瞬态过程时金属氧化物避雷器(MOA)的动态特性,用来评估一些金属氧化物避雷器模型并验证其准确性。
The characteristic data of metal oxide arrester shows that for fast frontal surges with rise time less than 8μs,the peak value of current wave appears after the peak value of voltage wave,and the residual voltage on the arrester increases with the increase of peak value of current wave,and the peak time of its discharge current is reduced.In this paper,several models proposed in the literature are used to simulate the transient program(ATP)version of the electromagnetic transient program(EMTP),and the metal oxide arrester(MOA)of the power system during rapid electromagnetic transient process is studied.Dynamic characteristics are used to evaluate some metal oxide arrester models and verify their accuracy.
作者
丛日立
阎欣欣
赵理
董丹丹
赵明宇
CONG Rili;YAN Xinxin;ZHAO Li;DONG Dandan;ZHAO Mingyu(State Grid East Inner Mongolia Economic Research Institute,Hohhot 010020,China;Inner Mongolia University of Technology,Hohhot 010051,China)
出处
《电瓷避雷器》
CAS
北大核心
2020年第3期191-196,共6页
Insulators and Surge Arresters
基金
国网内蒙古东部电力有限公司科技项目(编号:NMGDD2018)。
