Influence of ultra-high-voltage hybrid reactive power compensation on the interrupting characteristics of CB at out-of-phase faults

被引:7
|
作者
Li, Runchang [1 ]
Liu, Hongshun [1 ]
Lou, Jie [1 ]
Wang, Zhen [1 ]
Li, Bin [1 ]
Ji, Liang [2 ]
机构
[1] Shandong Univ, Sch Elect Engn, Jinan 250061, Peoples R China
[2] Shanghai Univ Elect Power, Sch Elect Engn, Shanghai 200090, Peoples R China
基金
中国国家自然科学基金;
关键词
reactive power control; circuit breakers; overvoltage; arresters; resistors; ultra-high-voltage hybrid reactive power compensation; out-of-phase faults; interrupting current; transient recovery voltage; rate of rise of recovery voltage; overvoltages; resistor; metal-oxide arresters; shunt reactors; TAGUCHIS METHODOLOGY; REQUIREMENTS; SCHEME;
D O I
10.1049/iet-gtd.2016.1184
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The influence of hybrid reactive power compensation on the interrupting characteristics of circuit breakers (CBs) after out-of-phase interruptions has been analysed in this study. Comprehensive and accurate computations to compute the interrupting current, the transient recovery voltage (TRV) and the rate of rise of recovery voltage (RRRV) are provided. The computation results match the simulation results well and can provide valuable theoretical reference to evaluate the TRV of CBs at out-of-phase fault conditions. It can be concluded from the test results that the overvoltages can be effectively suppressed by installing opening resistor, but cannot be restrained when metal-oxide arresters are used or the compensation degrees of controlled shunt reactors are rapidly increased.
引用
收藏
页码:1258 / 1264
页数:7
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