NDLI: Detection of the transmission line short-circuited fault based on lifting wavelet

Content Provider	IEEE Xplore Digital Library
Author	Zhou Jian-ping Zheng Ying-ping Wang Zhi-ping
Copyright Year	2008
Description	Author affiliation: Sch. of Power & Autom. Eng., Shanghai Univ. of Electr. Power, Shanghai (Zhou Jian-ping; Zheng Ying-ping; Wang Zhi-ping)
Abstract	Short-circuited fault is one of the most dangerous and common faults occurring in power system, which includes three-phase short circuit, two-phase short circuit, two-phase grounding short circuit and single-phase grounding short circuit. Abundant field statistic data demonstrate that over 85% short- circuited faults are single-phase grounding type. According to the actual power system transmission line, the present paper devotes to the simulation regarding A-phase short circuit. The original signal is detected using the lifting wavelet presented by Sweldens(1998). Compared with traditional wavelet, lifting wavelet calculates quickly and easily, since fast calculation is important in power system, especially when a real-time operation is needed. The simulation results show that lifting wavelet can accurately detect the signal singularity of transmission line short- circuited fault. In addition, the detecting speed of lifting wavelet is 3millisecond faster than that of db5 wavelet. The proposed method provides effective support for next fault location.
Starting Page	1663
Ending Page	1666
File Size	767197
Page Count	4
File Format	PDF
ISBN	9787900714138
DOI	10.1109/DRPT.2008.4523672
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	DRPT
Subject Keyword	Fault detection Transmission lines Circuit faults Power system simulation Power transmission lines Distributed parameter circuits Power system faults Grounding Electrical fault detection Circuit simulation wavelet transforms Fault currents fault diagnosis frequency power system simulation power transmission lines real time systems short circuit currents signal detection signal resolution
Content Type	Text
Resource Type	Article

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