弓网离线接触电流总谐波畸变率的实验研究

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Abstract The pantograph-catenary system is an important component of the electrified railway traction power supply system. The off-line phenomenon often occurs during the operation of pantograph-catenary system. The off-line phenomenon will lead to serious electromagnetic noise problem. Some off-line experiments were carried out with self-developed experimental platform under different experimental conditions. The frequency domain characteristics of contact current in off-line state were analyzed. The total current harmonic distortion rate (THD) was used to represent the characteristic of conductive electromagnetic noise caused by off-line phenomenon. The relationships between THD and loop current, contact pressure and sliding speed were obtained. The mathematic model of THD was established. It can provide experimental and theoretical basis for further study on conductive electromagnetic noise of pantograph-catenary system.

Key words： Pantograph-catenary off-line conductive electromagnetic noise total harmonic distortion rate electromagnetic compatibility

Received: 10 September 2014 Published: 14 September 2015

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TM501

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	Articles by authors
	Guo Fengyi
	Wang Xili
	Wang Zhiyong
	Wang Dan
	Wang Baowei

Cite this article:

Guo Fengyi,Wang Xili,Wang Zhiyong等. Experimental Research on Total Harmonic Distortion of Contact Current Caused by Pantograph-Catenary Off-Line[J]. Transactions of China Electrotechnical Society, 2015, 30(12): 261-266.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I12/261

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