Chaotic Characteristic Analysis of the Interaction Between Arc and the Gas Flow of 550kV SF6 Circuit Breaker
Liu Xiaoming1, Leng Xue1, Cao Yundong1, Song Chao2
1. School of Electrical Engineering, Shenyang University of Technology Shenyang 110870 China 2. Henan Ping Gao Electric Co. Ltd Pingdingshan 467000 China
Abstract：The arc is developed in the circuit breaker during the short circuit breaking, and the energy effective dissipation of the arc can directly affect the dielectric recovery characteristics. For qualitatively reflecting the transonic, variable boundary, variable gas flow path, the turbulent flow characteristics and the dynamic behavior of the arc occurring and developing under the short circuit breaking, the equivalent unit cell dynamic arc model was proposed and applied in this paper, and finite volume method was used as the multiple-physical fields simulation tool, the nonlinear arc quenching flow movement behavior of the breaking process was simulated. Moreover, the chaos theory was used to analyze the gas flow parameters of the breaking process, and the existence of arc chaotic characteristics in the arc burning process was identified and obtained.
刘晓明, 冷雪, 曹云东, 宋超. 550kV SF6断路器气流与电弧相互作用混沌研究[J]. 电工技术学报, 2012, 27(6): 46-52.
Liu Xiaoming, Leng Xue, Cao Yundong, Song Chao. Chaotic Characteristic Analysis of the Interaction Between Arc and the Gas Flow of 550kV SF6 Circuit Breaker. Transactions of China Electrotechnical Society, 2012, 27(6): 46-52.
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2012, Vol. 27 
