Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61534
Title: Synchrophasor measurement-based fault location technique for multi-terminal multisection non-homogeneous transmission lines
Authors: Wu, T
Chung, CY
Kamwa, I
Li, J
Qin, M
Issue Date: 2016
Source: IET generation, transmission & distribution, 2016, v. 10, no. 8, p. 1815-1824
Abstract: This study presents a fault-location technique for multi-terminal multi-section non-homogeneous transmission lines which combine overhead lines with underground power cables, by using voltage and current synchrophasors obtained from phasor measurement units. First, a faulty line branch is selected to narrow down the suspected faulty area. Then, the faulty section and the exact fault location can be identified by calculating the normalised fault distance for each section on the selected faulty branch. Computational burden of the proposed analytical scheme is very low because it avoids iterative computations. Promising simulation results show that the proposed fault location technique can accurately locate the fault regardless of the fault type, fault resistance, fault location, pre-fault loading and line parameters inaccuracies.
Publisher: Institution of Engineering and Technology
Journal: IET generation, transmission & distribution 
ISSN: 1751-8687
EISSN: 1751-8695
DOI: 10.1049/iet-gtd.2015.0927
Appears in Collections:Journal/Magazine Article

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