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Jia, Ke, Bi, Tianshu, Ren, Zhefeng, Thomas, David W.P. and Sumner, M. (2018) High frequency impedance based fault location in distribution system with DGs. IEEE Transactions on Smart Grid, 9 (2). pp. 807-816. ISSN 1949-3061

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Abstract

Distributed Generations (DGs) with power electronic devices and their control loops will cause distortion to the fault currents and result in errors for power frequency measurement based fault locations. This might jeopardize the distribution system fault restoration and reduce the grid resilience. The proposed method uses high frequency (up to 3kHz) fault information and short window measurement to avoid the influence of DG control loops. Applying the DG high frequency impedance model, faults can be accurately located by measuring the system high frequency line reactance. Assisted with the DG side recorded unsynchronized data, this method can be employed to distribution systems with multiple branches and laterals. 

Item Type:	Article
Additional Information:	c2016 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.
Keywords:	Fault location; High frequency transient; Distribution systems
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number:	https://doi.org/10.1109/TSG.2016.2566673
Depositing User:	Burns, Rebecca
Date Deposited:	06 Mar 2018 13:16
Last Modified:	08 May 2020 12:00
URI:	https://eprints.nottingham.ac.uk/id/eprint/50207

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