NDLI: A novel current travelling wave based single-ended fault location method for locating single-phase-to-ground fault of transmission line

Content Provider	IEEE Xplore Digital Library
Author	Aoyu Lei Xinzhou Dong Shenxing Shi Bin Wang
Copyright Year	2015
Description	Author affiliation: State Key Lab. of Power Syst., Tsinghua Univ., Beijing, China (Aoyu Lei; Xinzhou Dong; Shenxing Shi; Bin Wang)
Abstract	Current travelling wave based single-ended fault location method needs to recognize the travelling waves propagating from the fault direction as well as the travelling wave reflected from the fault point or remote-end bus. This paper firstly compares the current travelling waves of the fault line and the longest health line connected to the local bus based on dyadic wavelet transform to obtain the current travelling waves propagating from the fault direction. Secondly, based on the cross transmission phenomenon of modal travelling waves under the scenario of single-phase-to-ground fault, the arrival sequence relation and the polarity relation of aerial-modal component and zero-to-aerial-modal component (i.e. cross transmission component) of the current travelling waves reflected from the fault point and the remote-end bus are investigated and the source of the second current travelling wave propagating from the fault direction is identified. Thirdly, the first and the second current travelling waves propagating from the fault direction are utilised to locate the single-phase-to-ground fault. Finally, a large number of EMTP based simulation cases are used to test and validate the proposed fault location method.
Starting Page	1
Ending Page	6
File Size	292603
Page Count	6
File Format	PDF
e-ISBN	9781467396820
DOI	10.1109/UPEC.2015.7339950
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-01
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms single-ended fault location Power transmission lines EMTP single-phase-to-ground fault wavelet transform Fault location current travelling wave Reflection Fault currents transmission line
Content Type	Text
Resource Type	Article

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