550kV SF<sub>6</sub>断路器气流与电弧相互作用混沌研究

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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.

Key words： Extra high voltage short circuit SF circuit breaker breaking arc chaos

Received: 30 November 2011 Published: 20 March 2014

PACS:

TM561.3

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	Liu Xiaoming
	Leng Xue
	Cao Yundong
	Song Chao

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Liu Xiaoming,Leng Xue,Cao Yundong等. Chaotic Characteristic Analysis of the Interaction Between Arc and the Gas Flow of 550kV SF₆ Circuit Breaker[J]. Transactions of China Electrotechnical Society, 2012, 27(6): 46-52.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2012/V27/I6/46

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