Study on Intermediate-Frequency Vacuum Arc Recovery Characteristics of Curved Contact With Different Bending Amplitudes

被引：0

作者：

Tong, Ziang ^{[1
]}

Wu, Jianwen ^{[2
]}

Jiang, Xiwei ^{[3
]}

Shi, Shengsheng ^{[4
]}

Wu, Shengxiu ^{[5
]}

Zhang, Jintao ^{[2
]}

Xia, Shangwen ^{[2
]}

Lin, Jingyi

机构：

[1] Univ Sci & Technol Beijing, Sch Automat & Elect Engn, Minist Educ, Key Lab Knowledge Automat Ind Proc, Beijing 100083, Peoples R China

[2] Beihang Univ, Sch Automat Sci & Elect Engn, Beijing 100083, Peoples R China

[3] Inner Mongolia Power Grp Co Ltd, Branch Power Dispatching Control, Hohhot 010020, Peoples R China

[4] Kushan Guoli Elect Technol, Chief Engineer Off, Kushan 215333, Peoples R China

[5] Guizhou Tianyi Elect Co Ltd, Zhunyi 563002, Peoples R China

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2024年 / 52卷 / 09期

基金：

北京市自然科学基金; 中国博士后科学基金; 中国国家自然科学基金;

关键词：

Current measurement; Vacuum arcs; Bending; Magnetic hysteresis; Resistors; Inductance; Frequency measurement; Voltage measurement; Time measurement; Plasmas; Bending amplitude; continuous transition model (CTM); curved contact; intermediate frequency; post-arc; vacuum arc; CURRENT-ZERO;

D O I：

10.1109/TPS.2024.3487347

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Modern aircraft use 360-800 Hz variable-frequency power systems, and the increased frequency makes it more difficult to interrupt the arc. Traditional contacts are difficult to apply due to magnetic hysteresis effects. Curved contacts utilize the curved electrode shape to exhibit advantages in interrupting intermediate-frequency vacuum arcs but lack a design basis for the bending amplitude. This article develops a new type of measurement device for post-arc of intermediate-frequency current and uses it to measure the post-arc of curved contacts with a bending amplitude of 2-4 mm, a diameter of 30 mm, and a contact material of CuCr25. It analyzes the changes in gap conductance under different bending amplitudes and analyzes the mechanism of different bending amplitudes on the post-arc dielectric characteristics of vacuum arcs using a continuous transition model (CTM).

引用

页码：4506 / 4513

页数：8

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