LAPSE:2023.32692
Published Article
LAPSE:2023.32692
Real Fault Location in a Distribution Network Using Smart Feeder Meter Data
Hamid Mirshekali, Rahman Dashti, Karsten Handrup, Hamid Reza Shaker
April 20, 2023
Distribution networks transmit electrical energy from an upstream network to customers. Undesirable circumstances such as faults in the distribution networks can cause hazardous conditions, equipment failure, and power outages. Therefore, to avoid financial loss, to maintain customer satisfaction, and network reliability, it is vital to restore the network as fast as possible. In this paper, a new fault location (FL) algorithm that uses the recorded data of smart meters (SMs) and smart feeder meters (SFMs) to locate the actual point of fault, is introduced. The method does not require high-resolution measurements, which is among the main advantages of the method. An impedance-based technique is utilized to detect all possible FL candidates in the distribution network. After the fault occurrence, the protection relay sends a signal to all SFMs, to collect the recorded active power of all connected lines after the fault. The higher value of active power represents the real faulty section due to the high-fault current. The effectiveness of the proposed method was investigated on an IEEE 11-node test feeder in MATLAB SIMULINK 2020b, under several situations, such as different fault resistances, distances, inception angles, and types. In some cases, the algorithm found two or three candidates for FL. In these cases, the section estimation helped to identify the real fault among all candidates. Section estimation method performs well for all simulated cases. The results showed that the proposed method was accurate and was able to precisely detect the real faulty section. To experimentally evaluate the proposed method’s powerfulness, a laboratory test and its simulation were carried out. The algorithm was precisely able to distinguish the real faulty section among all candidates in the experiment. The results revealed the robustness and effectiveness of the proposed method.
Keywords
distribution network, fault location, grounded faults, impedance-based method, section estimation, smart feeder meter
Suggested Citation
Mirshekali H, Dashti R, Handrup K, Shaker HR. Real Fault Location in a Distribution Network Using Smart Feeder Meter Data. (2023). LAPSE:2023.32692
Author Affiliations
Mirshekali H: Clinical-Laboratory Center of Power System & Protection, Faculty of Intelligent Systems Engineering and Data Science, Persian Gulf University, Bushehr 75169113817, Iran
Dashti R: Clinical-Laboratory Center of Power System & Protection, Faculty of Intelligent Systems Engineering and Data Science, Persian Gulf University, Bushehr 75169113817, Iran [ORCID]
Handrup K: Kamstrup A/S, Industrivej 28, DK-8660 Stilling, Skanderborg, Denmark
Shaker HR: Center for Energy Informatics, University of Southern Denmark, DK-5230 Odense, Denmark [ORCID]
Journal Name
Energies
Volume
14
Issue
11
First Page
3242
Year
2021
Publication Date
2021-06-01
Published Version
ISSN
1996-1073
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Original Submission
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PII: en14113242, Publication Type: Journal Article
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LAPSE:2023.32692
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doi:10.3390/en14113242
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Apr 20, 2023
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