Marine power distribution system fault location using a portable injection unit

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Jia, Ke, Bi, Tianshu, Liu, Bohan, Christopher, Edward, Thomas, David W.P. and Sumner, M. (2015) Marine power distribution system fault location using a portable injection unit. IEEE Transactions on Power Delivery, 30 (2). pp. 818-826. ISSN 0885-8977

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Abstract

A portable injection unit for Active Impedance Estimation (AIE) is built and tested in a DC zonal marine power distribution system to provide useful information for system protection and restoration. The portable unit generates current “spikes” and injects them into the system once short circuit faults are detected (by measuring the system voltage drop). The faulted system impedance can be estimated by AIE and comparing the estimated impedance with the pre-calibrated value, the fault location can be determined. The proposed method does not rely on system fault transient information or communication from the remote-end measurement and offers fast and accurate fault location in DC marine distribution systems. The proposed method has been tested and validated on a 750V, 2 MW twin bus DC Commercial Test Facility with the system both de-energised and energised.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/984259
Additional Information: c2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.
Keywords: fault location, marine distribution system, injections, active impedance estimation
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: https://doi.org/10.1109/TPWRD.2014.2364259
Depositing User: Burns, Rebecca
Date Deposited: 17 May 2016 13:48
Last Modified: 04 May 2020 20:09
URI: https://eprints.nottingham.ac.uk/id/eprint/33356

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