Investigation on Breaking Velocity Characteristics for 252 kV Single-Break Vacuum Interrupters Based on Vacuum Arc Mode

被引：0

作者：

Bo, Xianglai ^{[1
]}

Liu, Siyuan ^{[1
]}

Chen, Jinchao ^{[1
]}

Liu, Zhiyuan ^{[1
]}

Geng, Yingsan ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China

来源：

2024 7TH INTERNATIONAL CONFERENCE ON ELECTRIC POWER EQUIPMENT-SWITCHING TECHNOLOGY, ICEPE-ST 2024 | 2024年

关键词：

ANODE PHENOMENA; OPENING VELOCITY; CIRCUIT-BREAKERS;

D O I：

10.1109/ICEPE-ST61894.2024.10792583

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：

Replacing traditional SF6 circuit breakers with environmentally friendly 252 kV single-break vacuum circuit breakers in transmission-level power systems is an effective method to reduce SF6 greenhouse gas emissions. The investigation of breaking velocity characteristics based on vacuum arc mode is important for the successful interruption of vacuum arc. This paper experimentally investigates the vacuum arc mode in the 252 kV single-break vacuum interrupter under different arc currents and breaking velocities using an adjustable breaking velocity operating mechanism. The arcing process at different breaking velocities is classified, and the effect of arc current and breaking velocity on the vacuum arc mode is obtained. Based on this research, a design scheme for breaking velocity characteristics is proposed, effectively reducing the duration of short-gap intense arc mode, thus facilitating the successful interruption of short-circuit currents, which can optimize 252 kV single-break vacuum interrupters.

引用

页码：203 / 207

页数：5

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