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Active distribution network fault location methodology: A minimum fault reactance and Fibonacci search approach
Affiliation:1. Department of Electrical Engineering, Federal University of Rio Grande do Sul, Porto Alegre, Brazil;2. Department of Electrical and Computer Engineering, University of Florida, Gainesville, United States;3. Department of Electrical Engineering, Technological University of Pereira, Pereira, Colombia;4. Department of Engineering and Design, Technological Foundation of Antonio de Arévalo, Calle 49A 31-45, Cartagena, Colombia;1. Federal University of Juiz de Fora, Juiz de Fora, MG, Brazil;2. Department of Electrical Energy, Federal University of Juiz de Fora, Juiz de Fora, MG, Brazil;1. Center of Excellence for Power System Automation and Operation, School of Electrical Engineering, Iran University of Science and Technology, P.O. Box: 16846-13114, Tehran, Iran;2. Dipartimento Energia, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129 Torino, Italy;1. Department of Automation and Energy, Federal University of Rio Grande do Sul, Av. Osvaldo Aranha 103 - 90035-190, Porto Alegre, RS, Brazil;2. Department of Electrical and Computer Engineering, University of Florida, P.O. Box 116200 216 Larson Hall, Gainesville, FL, USA;3. Department of Electrical and Electronic Engineering, Universidad del Norte, Barranquilla, Colombia;4. Department Engineering and Computer Science, Integrated Regional University of the Alto Uruguai and Missões, Av. Assis Brasil 709, 98400-000 Frederico Westphalen, RS, Brazil;5. Department of Electrical Engineering, Technological University of Pereira, Carrera 27 #10- 02, Pereira, Colombia;1. Department of Electrical and Electronic Engineering, Universidad del Norte, Barranquilla, Colombia;2. Department of Engineering and Computer Science, Universidade Regional Integrada do Alto Uruguai e das Missões, Frederico Westphalen, Brazil;1. Federal University of Itajubá, CP 50, Itajubá, MG 37500-903, Brazil;2. Parque Tecnológico Itaipu—Brasil, Av. Tancredo Neves 6731, Foz do Iguaçu, PR 85867-900, Brazil;1. College of Information Science and Engineering, Northeastern University, Shenyang 110819, China;2. State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110812, China;3. University of Chinese Academy of Sciences, Beijing 100049, China
Abstract:Active Distribution Networks (ADN) are defined as distribution networks with presence of Distributed Energy Resources (DER). In this paper, a Fault Location (FL) analytical methodology for active distribution networks is presented. The proposed technique combines the minimum fault reactance concept and a Fibonacci search method to estimate the fault location. Synchronized current phasors provided by Intelligent Electronic Devices (IED) located at the DER units are considered. A ladder-based technique is proposed and used to estimate the current contribution of each DER to the fault point. Proposed analytical methodology is applicable for all DER types without need to know its individual parameters and model. Validation is made using the IEEE 34-nodes test feeder. Test feeder is modeled using ATP/EMTP software and modified with the addition of several DER. Test results show the robustness of the methodology, indicating its potential for real-life applications.
Keywords:Fault location  Fibonacci search method  Distribution networks  Distributed Energy Resources
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