报告详情
Study of the Long-Time Arcing Characteristics of SF6 in a ±800KV High Speed Switch
编号：327
访问权限：仅限参会人
更新：2022-08-29 15:55:38 浏览：126次
张贴报告
摘要
With the growing capacity of DC transmission systems, disconnecting switch with the abilities of interruption have been requested more strictly. High-speed disconnecting switch (HSS) is a new type of switch equipment that has received widespread attention in the world. However, the research on the arc extinguishing chamber of HSS during arcing is still in its infancy in our country. Therefore, the paper carries out the arcing simulation to study the long-time (400ms) arcing characteristics, around the core problem of optimization of extinguishing chamber structure.
In this paper, firstly, based on the magneto-hydro-dynamic (MHD) modeling method, the 2-D model of arc burning process is established for the structure of ±800KV HSS, considering the high-speed dynamic motion process of the contact. Secondly, According to real gas model，the actual gas attributes of SF6 are loaded into the governing equations for calculation. Then, focusing on the dynamic temporal and spatial distribution of long-time arc burning, we can analyze the influence of arc energy on pressure, temperature and voltage under different conditions.
The results about the distribution law of arc energy and temperature, pressure and velocity are calculated for the evaluation of the performance of arc burning. The simulation results are in agree with the experimental results. Some optimization methods for arc extinguishing chamber of HSS are proposed by simulation.
The established model in this thesis is valid and simulation results are expected to enrich the understanding of the long-time arcing characteristics. The work of this paper is significant and can provide a theoretical basis and technical guidance for engineering application in disconnecting Switch.
In this paper, firstly, based on the magneto-hydro-dynamic (MHD) modeling method, the 2-D model of arc burning process is established for the structure of ±800KV HSS, considering the high-speed dynamic motion process of the contact. Secondly, According to real gas model，the actual gas attributes of SF6 are loaded into the governing equations for calculation. Then, focusing on the dynamic temporal and spatial distribution of long-time arc burning, we can analyze the influence of arc energy on pressure, temperature and voltage under different conditions.
The results about the distribution law of arc energy and temperature, pressure and velocity are calculated for the evaluation of the performance of arc burning. The simulation results are in agree with the experimental results. Some optimization methods for arc extinguishing chamber of HSS are proposed by simulation.
The established model in this thesis is valid and simulation results are expected to enrich the understanding of the long-time arcing characteristics. The work of this paper is significant and can provide a theoretical basis and technical guidance for engineering application in disconnecting Switch.
关键词
MHD,arc burning,SF6,high-speed disconnecting switch,arc extinguishing chamber
报告人
Junwei Deng
Xi’an Jiaotong University；State Key Laboratory of Electrical Insulation and Power Equipment稿件作者
全部评论
重要日期
-
会议日期
09月25日
2022
至09月29日
2022
-
08月15日 2022
提前注册日期
-
09月10日 2022
报告提交截止日期
-
11月10日 2022
注册截止日期
-
11月30日 2022
初稿截稿日期
-
11月30日 2022
终稿截稿日期
主办单位
IEEE DEIS
承办单位
Chongqing University
联系方式
- Zhengyong Huang
- 61******@qq.com
历届会议
-
2020年09月06日 中国 Beijing
2020 IEEE International Conference on High Voltage Engineering and Application -
2018年09月10日 希腊
2018 IEEE International Conference on High Voltage Engineering and Application -
2016年09月19日 中国 Chengdu, China
2016 IEEE International Conference on High Voltage Engineering and Application
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