High-frequency Arc Fault Detection in Circuit Breaker in Substation AC Filter Branch

被引：0

作者：

Wang B. ^{[1
]}

Wei X. ^{[2
]}

Zhang G. ^{[3
]}

Feng Y. ^{[4
]}

Wen B. ^{[2
]}

Dong X. ^{[1
]}

机构：

[1] State Key Lab of Control and Simulation of Power Systems and Generation Equipments, Department of Electrical Engineering, Tsinghua University, Haidian District, Beijing

[2] College of Information and Electrical Engineering, China Agricultural University, Haidian District, Beijing

[3] State Grid Shandong Electric Power Company Electric Power Research Institute, Jinan, 250000, Shandong Province

[4] State Grid Shandong Electric Power Company Maintenance Company, Jinan, 250118, Shandong Province

来源：

| 1837年 / Chinese Society for Electrical Engineering卷 / 38期

基金：

中国国家自然科学基金;

关键词：

AC filter; Arc fault; Average deviation degree; Circuit breaker;

D O I：

10.13334/j.0258-8013.pcsee.170719

中图分类号：

学科分类号：

摘要：

To keep balance of reactive power in HVDC substation, Circuit Breaker (CB) in filter branch is switched frequently, which is easy to cause arc fault, the insulating ability of CB can be destroyed, even exploded. Considering CB arc fault belongs to high-frequency transient fault, the duration is short, the arc currents don't have fixed steady-state cycles and obvious current zero intervals, the existing arc detection method is not applicable to detect CB arc fault. Aiming at this issue, through analyzing the arc currents of pre-breakdown stage and steady arcing stage, an arc detection method based on first order accumulation and average deviation was proposed in this paper. The correctness and feasibility of simulation results in different situations were analyzed, besides, real recorded data proved the validity of the proposed algorithm. © 2018 Chin. Soc. for Elec. Eng.

引用

页码：1837 / 1845

页数：8

共 22 条

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