Journal
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
Volume 17, Issue 3, Pages 1712-1720Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2020.2995997
Keywords
Fault location; Estimation; Meters; Voltage measurement; Impedance; Informatics; Resource management; Distribution networks; fault location; sparse-measurement based; voltage magnitude
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Funding
- National Key Research and Development Program of China [2018YFB0904104]
- Science and Technology Project of State Grid [SGHB0000KXJS1800685]
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This article proposes a sparse-measurement-based fault location method for all fault types in distribution networks, requiring voltage samplings at a few buses before and during the fault. The theoretical deduction of the sparse meter allocation principles contributes to the good performance and feasibility of the method.
In this article, a sparse-measurement-based fault location method for all fault types in the distribution networks with/without the distributed generators access is proposed. The pre- and during-fault voltage samplings at a few buses are needful to estimate the fault position via a compressed sensing algorithm. Besides, the principles of the sparse meter allocation are theoretically deduced, which are of directive significance for the practical implementation of the proposed method. Furthermore, the method possesses feasibility for the fault resistance of smaller than 50 omega and metering noise of lower than 1%. The performance of the method is tested on a 12.66 kV, 69-bus distribution network model established in the real-time digital simulator. Simulation results verified that the proposed method is of a good performance for various scenarios.
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