基于多物理场耦合的高压SF<sub>6</sub>断路器混沌电弧模型

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Abstract Based on the arc mathematical model for the SF₆ circuit breaker (CB), the equations describing the arc chaotic behavior are deduced by considering the velocity and temperature effect in the model as the chaotic characteristics and expending in 2D form using the convergence of Fourier series. The time series and Lyapunov exponents diagram reflecting the chaotic behavior of arc are obtained based on the numerical analyses, which proves that the arc behavior exist chaos during the arc quenching. In order to reflect the interactions of the coupling of the electric field, magnetic field and gas flow field, the arc instability in SF₆ CB was analyzed and the third-order nonlinear differential equations with constant coefficient for the arc in SF₆ CB has been obtained by introducing Maxwell and current density equations in the arc mathematical model. By adjusting the parameters for SF₆ CB, the system exhibits significant chaotic behavior.

Key words： SF₆ CB chaos arc plasma Fourier series shock wave

Received: 28 September 2011 Published: 27 November 2013

PACS:

TM561.3

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	Articles by authors
	Liu Xiaoming
	Han Ying
	Wang Erzhi
	Cao Yundong
	An Yuejun
	Xie Lijun
	Leng Xue

Cite this article:

Liu Xiaoming,Han Ying,Wang Erzhi等. Chaos of Arc Model for SF6 Circuit Breaker Based on Coupled Multiple-Physical Field Simulation[J]. Transactions of China Electrotechnical Society, 2013, 28(1): 165-172.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I1/165

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