NDLI: An Adaptive Fault Location Technique Based on PMU for Transmission Line

Content Provider	IEEE Xplore Digital Library
Author	Fan Chunju Du Xiuhua Li Shengfang Yu Weiyong
Copyright Year	2007
Description	Author affiliation: Dep. of Electr. Eng., Shanghai JiaoTong Univ., Shanghai (Fan Chunju; Du Xiuhua; Li Shengfang; Yu Weiyong)
Abstract	A new adaptive fault location technique based on Phasor Measurement Unit (PMU) for transmission line is presented in this paper. Voltage and current phasors of both terminals of the transmission line are obtained through PMU. The online parameter-calculation algorithm is adopted to obtain the practical operating parameters when fault occurs, solving the problems that parameters provided by electric power company is different from the practical parameters because of the running environment and the operation history. The suddenly changed voltage and current are utilized to obtain suddenly changed positive voltage and current components to solve the system's impedance at the fault time. The on-line calculated system's impedance and parameters of the line are employed in the fault location equation and the fault location accuracy is high. The proposed fault location method is applied in single transmission line, parallel transmission line as well as teed transmission line. Extensive EMTP simulations as well as practical system data testing results have shown that the proposed technique accurately locate the fault point adaptively, not influenced by factors such as operation mode, fault resistance at fault point, fault type, prefault load and fault distance.
Starting Page	1
Ending Page	6
File Size	235422
Page Count	6
File Format	PDF
ISBN	142441296X
ISSN	19325517
DOI	10.1109/PES.2007.385545
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault location Phasor measurement units Transmission lines Power transmission lines Voltage Impedance History Equations EMTP System testing Teed line Fault Location Phasor Measurement Unit (PMU) Line Parameters Transmission line
Content Type	Text
Resource Type	Article

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