以振荡回路为电流源的非对称开断合成试验方法研究  

Synthetic Testing Method Study of Asymmetrical Breaking Using Oscillation Circuit for Current Source

作　　者：吴盛刚[1] 王学军[1] 成俊奇[1] 杨海芳[1] 

机构地区：[1]中国电力科学研究院开关所,北京100192

出　　处：《电气技术》2009年第12期17-22,共6页Electrical Engineering

摘　　要：在合成试验标准中,对非对称开断(T100a)的额定操作顺序规定为三个"Os",但熄弧半波有大小之分,且开断时的瞬态及工频恢复电压是变化的,针对这些特征,作仔细分析后,笔者提出了一种新颖的模拟非对称电流开断合成试验方法,它的特别之处是以振荡回路为电流源,并在电压回路中加有串联补偿功能,以对开断后的工频恢复电压进行恰当的补偿,使试验与实际工况相接近,从而提高了试验的等价性,使得对断路器的非对称开断能力的考核更为合理。该试验方法特别适用于超高压且要求直流分量较大的断路器。In synthetic testing standard,the operating sequence of asymmetrical breaking (T100a) is three "Os" ,but the length of a loop with clearance is different,the transient and power frequency recovery voltage varies when the breaking current is occurring. For these features,after careful analysis,the author presents a novel synthetic testing method imitating asymmetrical current breaking,it is special because oscillation circuit is for current source and series compensation function is used in voltage circuit t...

关 键 词：非对称电流开断 振荡回路合成试验 串联补偿 试验等价性 

分 类 号：TM561[电气工程—电器]