受电弓滑板与接触网导线接触电阻计算模型

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Abstract The characteristics of the contact resistance between pantograph slide and contact wire directly affect the current-carrying performance of the pantograph catenary#x02019;s system. Sliding electrical contact experiment with Cu impregnation carbon strips and Cu-Sn alloy contact wire was conducted and the relationships between different experimental conditions and contact resistance are researched. The following conclusions are obtained by analyzing the experimental results. Under zero contact current conditions,if pantograph slide and contact wire keeps in relative static state,contact resistance will decrease with the increase of contact pressure. And if the pantograph slide and contact wire keeps in relative sliding state with a constant contact pressure,contact resistance will increase with the increase of sliding speed. But under strong current sliding contact state conditions,contact resistance will decrease with the increase of contact current with a constant contact pressure and sliding speed. Then,a calculation model of the contact resistance is built by analyzing the influence of contact pressure,sliding speed and contact current on contact resistance. The model parameters are solved by the improved Gauss-Newton iterative algorithm and the validity of the calculation model is proved.

Key words： Pantograph slide contact wire contact resistance calculation model Gauss-Newton iterative algorithm

Received: 04 May 2012 Published: 11 December 2013

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TM501

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	Chen Zhonghua
	Shi Yinglong
	Shi Guang
	Wang Zhiyong
	Kang Liqian

Cite this article:

Chen Zhonghua,Shi Yinglong,Shi Guang等. Calculation Model of the Contact Resistance between Pantograph Slide and Contact Wire[J]. Transactions of China Electrotechnical Society, 2013, 28(5): 188-195.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2013/V28/I5/188

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