Investigation on Multiple Reignitions Caused by Vacuum Circuit Breaker Switching Off Shunt Reactor Considering Contact Travel in Offshore Wind Farms

被引：10
|
作者：
Sun, Qiuqin [1 ]
Zheng, Zhi [1 ]
Zhang, Jiahao [1 ]
Li, Xin [2 ]
Wang, Feng [1 ]
Chen, She [1 ]
Zhong, Lipeng [1 ]
机构：
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha 410082, Peoples R China
[2] Elect Power Res Inst State Grid Hunan Elect Power, Changsha 410007, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2023年 / 38卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Multiple reignitions; vacuum circuit breaker; offshore wind farm; travel characteristic; grey relational grade; response surface method; OVERVOLTAGES;
D O I：
10.1109/TPWRD.2023.3241407
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 dielectric recovery strength (DRS) of vacuum circuit breaker (VCB) interrupter is closely related to the travel characteristic of contact, which determines the overvoltage caused by switching off shunt reactor (SR) in offshore wind farm (OWF). Firstly, the travel characteristic of contact is analyzed in detail. A field experiment of 35 kV substation is performed and the relationship between contact travel and DRS in different periods is obtained. Then, a novel VCB model considering the travel characteristic is proposed and used to study the arc behavior of the VCB interrupter. The mechanism of multiple reignitions and the sensitivity analysis for switching overvoltage are discussed. Finally, a hybrid method of grey relational grade (GRG) and response surface method (RSM) is employed to optimize the contact travel in order to suppress arc reignition. A group of optimal travel parameters of VCB contact are obtained for minimizing the overvoltage peak.
引用
收藏
页码：2360 / 2371
页数：12
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