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

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

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.