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Title: DC marine power system : transient behavior and fault management aspects
Authors: Satpathi, Kuntal
Ukil, Abhisek
Nag, Soumya Shubhra
Pou, Josep
Zagrodnik, Michael Adam
Keywords: Directional Protection
Fault Studies
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Satpathi, K., Ukil, A., Nag, S. S., Pou, J., & Zagrodnik, M. A. (2019). DC marine power system : transient behavior and fault management aspects. IEEE Transactions on Industrial Informatics, 15(4), 1911-1925. doi:10.1109/TII.2018.2864598
Abstract: DC marine vessels with medium-voltage compact dc power systems are dominated by a significant amount of active loads and a finite number of generation sources. In such scenarios, the network configuration of the dc power system is expected to get dynamically altered to fulfill the required generation and load demands for the desired marine mission. Such varying network configurations make the transient responses significantly different from the conventional ac grids and the prospective dc grids. In this regard, this paper performs systematic transient studies to devise fault management strategies for the dc marine vessels. A platform supply vessel (PSV) is taken as an example of the marine vessel, due to its complex operating scenarios and wider applicability in the marine industry. Pole-to-pole short-circuit faults are considered owing to its severity. A novel current-only directional protection for the dc PSV is proposed based on the directional zonal interlocking and short-time Fourier transform. The efficacy of the proposed method is substantiated by confirming against a range of fault impedances initiated at the generator terminals, load terminals, lines, and buses of the dc PSV. All the analyses are conducted in the real-time simulation model of the dc PSV.
ISSN: 1551-3203
DOI: 10.1109/TII.2018.2864598
Schools: School of Electrical and Electronic Engineering 
Organisations: Rolls-Royce@NTU Corporate Lab
Rights: © 2018 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. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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