NDLI: Natural Frequency-Based Line Fault Location in HVDC Lines

Content Provider	IEEE Xplore Digital Library
Author	Zheng-you He Kai Liao Xiao-peng Li Sheng Lin Jian-wei Yang Rui-kun Mai
Copyright Year	1986
Abstract	To predict the location of dc line-faults in an HVDC system, a novel algorithm based on traveling-wave natural frequency using 10-ms current data from the single end is proposed in this paper. The relationship among the natural frequency of traveling wave, fault distance, and reflect coefficient at the terminal of the transmission line is presented. The multiple signal classification method is employed to extract the dominant natural frequency through the spectrum analysis of the traveling wave. The traveling-wave velocity and reflect coefficient under the dominant natural frequency are calculated to identify the fault location. Performance of the proposed fault-location algorithm is studied through detailed simulations carried out by using the electromagnetic transient simulation software PSCAD/EMTDC. The method does not need to identify the surge arrival time and it is more robust compared to the traditional traveling-wave-based fault-location methods. The simulation results have shown that the proposed method is valid and can locate the faults occurring on HVDC transmission lines accurately.
Sponsorship	IEEE Power Engineering Society
Starting Page	851
Ending Page	859
Page Count	9
File Size	1225691
File Format	PDF
ISSN	08858977
Volume Number	29
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuit faults HVDC transmission Power transmission lines Fault location Impedance Surges Mathematical model PSCAD/EMTDC HVDC natural frequency
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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