A Travelling Wave-Based Fault Location Strategy Using the Concepts of Metric Dimension and Vertex Covers in a Graph

This paper presents a novel travelling wave-based placement strategy and fault detection scheme to locate faults on complex power grids. A fault occurring on a power grid results in travelling waves propagating from the fault location towards detectors. In this paper, the power grid is transformed t...

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Bibliographic Details
Published in:IEEE access 2021, Vol.9, p.155815-155825
Main Authors: Maritz, Elizabeth C. M., Maritz, Jacques M., Salehi, Moslem
Format: Article
Language:English
Subjects:
Algorithms
Detectors
Electric power grids
Fault detection
Fault location
Image edge detection
locating set
Metric dimension
Power grids
Power transmission lines
resolving set
Sensors
Shortest-path problems
Synchronization
Traveling waves
travelling wave fault location and grid protection
vertex cover
Wave propagation
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Summary:This paper presents a novel travelling wave-based placement strategy and fault detection scheme to locate faults on complex power grids. A fault occurring on a power grid results in travelling waves propagating from the fault location towards detectors. In this paper, the power grid is transformed to a simple, weighted, undirected graph and the shortest path information is leveraged using two well-known graph invariants to place detectors and detect and locate faults accurately. An offline algorithm is presented to determine the number and position of detectors, while an online algorithm is proposed for locating the fault. The proposed fault detection algorithm is benchmarked using the IEEE 30-bus distribution system.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2021.3129736