NDLI: A Practical Fault Location Approach for Double Circuit Transmission Lines Using Single End Data

Content Provider	IEEE Xplore Digital Library
Author	Kawady, T. A. Stenzel, J.
Copyright Year	1981
Abstract	Double circuit transmission lines are frequently subjected to a variety of technical problems from the perspective of protection engineering. These problems are mainly due to the mutual coupling effects between adjacent circuits of the line. A new fault location approach for double circuit transmission lines is introduced. It depends only on the data extracted from one end of the line. This practically facilitates implementing and developing this approach, as it needs no information from the other end. The approach is based on modifying the apparent impedance method using modal transformation. Depending on modal transformation the coupled equations of the transmission line are converted into decoupled ones. This greatly eliminates the mutual effects resulting in an accurate estimation for the fault distance in a straightforward manner. Also, the effects of prefault currents, charging currents, and the unknown fault resistance on the estimation accuracy are compensated. The proposed approach was tested via digital simulation using ATP-EMTP in conjunction with MATLAB. Applied test results corroborate the superior performance of the proposed approach.
Starting Page	62
Ending Page	63
Page Count	2
File Size	703694
File Format	PDF
ISSN	02721724
Volume Number	22
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-12-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault location Distributed parameter circuits Circuit faults Testing Protection Mutual coupling Data mining Impedance measurement Equations Transmission lines parallel transmission lines ATP digital protection fault location modal transformation mutual coupling
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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