基于VMD和TEO的高压输电线路雷击故障测距研究

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Abstract In view of high requirements for the basis function and the decomposition scale of the wavelet modulus maxima method and the modal aliasing phenomenon existed in empirical mode decomposition of Hilbert Huang transform method in traditional traveling-wave detection approaches,a new detection method based on the variational mode decomposition (VMD) and the Teager energy operator (TEO) for high voltage transmission line lightning fault locating is proposed.To eliminate the impact of the uncertainty of the wave velocity and the actual line length on distance measurement,a novel double-terminal traveling wave distance measuring algorithm combined with the propagation route of the fault traveling wave in the transmission line is deduced,which will not be affected by the wave velocity.This method can solve the fault locating problem successfully when the lightning strike point and the fault point are inconsistent.Abundant EMTDC simulation results verify the correctness and the effectiveness of the proposed method.

Key words： Traveling-wave detection variational mode decomposition Teager energy operator double-terminal traveling wave distance measurement lighting fault locating

Received: 17 March 2015 Published: 21 January 2016

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TM726

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	Gao Yanfeng
	Zhu Yongli
	Yan Hongyan
	Wu Yingjie

Cite this article:

Gao Yanfeng,Zhu Yongli,Yan Hongyan等. Study on Lighting Fault Locating of High-voltage Transmission Lines Based on VMD and TEO[J]. Transactions of China Electrotechnical Society, 2016, 31(1): 24-33.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I1/24

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