NDLI: Accurate Noniterative Fault-Location Algorithm Utilizing Two-End Unsynchronized Measurements

Content Provider	IEEE Xplore Digital Library
Author	Izykowski, J. Rosolowski, E. Balcerek, P. Fulczyk, M. Saha, M.M.
Copyright Year	1986
Abstract	This paper presents a new two-terminal impedance-based fault-location algorithm, which takes into account the distributed parameter line model. The algorithm utilizes unsynchronized measurements of voltages and currents from two ends of a line and is formulated in terms of the fundamental frequency phasors of symmetrical components of the measured signals. First, an analytical synchronization of the unsynchronized measurements is performed with use of the determined synchronization operator. Then, the distance to fault is calculated as for the synchronized measurements. Simultaneous usage of two kinds of symmetrical components for determining the synchronization operator makes that the calculations are simple, noniterative, and at the same time highly accurate. The developed fault-location algorithm has been thoroughly tested using signals of Alternate Transients Program-Electromagnetic Transients Program versatile simulations of faults on a transmission line. The presented evaluation shows the validity of the developed fault-location algorithm and its high accuracy.
Sponsorship	IEEE Power Engineering Society
Starting Page	547
Ending Page	555
Page Count	9
File Size	685661
File Format	PDF
ISSN	08858977
Volume Number	26
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency synchronization Current measurement Frequency measurement Power system transients Impedance measurement Voltage Performance analysis Performance evaluation Transmission line measurements Testing simulation Algorithms digital measurements fault location power transmission lines
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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