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A Wideband Single End Fault Location Scheme for Active Untransposed Distribution Systems

Aboshady, F.M.; Thomas, D.W.P.; Sumner, Mark

Authors

F.M. Aboshady

DAVID THOMAS dave.thomas@nottingham.ac.uk
Professor of Electromagnetics Applications

MARK SUMNER mark.sumner@nottingham.ac.uk
Professor of Electrical Energy Systems



Abstract

This paper presents a single end fault location scheme for distribution networks with distributed generation (DG). The high frequency transients generated when a fault occurs are used to locate the fault point. An equivalent circuit at high frequencies is derived for both inverter based and synchronous DGs. The voltages and currents measured only at the main substation are used in conjunction with the proposed DG model to create the fault location scheme. The distributed parameter line model is employed in the derivation to account for the line characteristics e.g. inductive and capacitive mutual coupling and untransposed lines. The inverter based DG model is validated experimentally on a 400 V, three-phase system. The IEEE 34-bus feeder is simulated and used to evaluate the proposed scheme for different operating conditions e.g. fault resistance and DG conditions. The extensive simulation studies show the accuracy of the proposed scheme with 95.3% of the test cases having an absolute error in estimation of less than 200 m.

Citation

Aboshady, F., Thomas, D., & Sumner, M. (2020). A Wideband Single End Fault Location Scheme for Active Untransposed Distribution Systems. IEEE Transactions on Smart Grid, 11(3), 2115 - 2124. https://doi.org/10.1109/TSG.2019.2947870

Journal Article Type Article
Acceptance Date Oct 18, 2019
Online Publication Date Oct 16, 2019
Publication Date May 1, 2020
Deposit Date Oct 22, 2019
Publicly Available Date Oct 28, 2019
Journal IEEE Transactions on Smart Grid
Print ISSN 1949-3053
Electronic ISSN 1949-3061
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 11
Issue 3
Pages 2115 - 2124
DOI https://doi.org/10.1109/TSG.2019.2947870
Keywords Distributed generation; Fault location; Fault transient; Impedance based; Single end
Public URL https://nottingham-repository.worktribe.com/output/2903950
Publisher URL https://ieeexplore.ieee.org/document/8871156
Additional Information © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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