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Open AccessArticle

Impact of Recloser on Protecting Blind Areas of Distribution Network in the Presence of Distributed Generation

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Department of Electrical and Computer Engineering, University of Birjand, Birjand 97175, South Khorasan Province, Iran
2
Faculty of Engineering, Sepidan Branch, Islamic Azad University, Sepidan 73611, Iran
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Department of Engineering, University of Ferdowsi, Mashhad 91779, Iran
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UNIDEMI, Department of Mechanical and Industrial Engineering, Faculty of Science and Technology (FCT), Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
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Management and Production Technologies of Northern Aveiro—ESAN, Estrada do Cercal 449, Santiago de Riba-Ul, 3720-509 Oliveira de Azeméis, Portugal
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2019, 9(23), 5092; https://doi.org/10.3390/app9235092
Received: 16 October 2019 / Revised: 16 November 2019 / Accepted: 19 November 2019 / Published: 25 November 2019
(This article belongs to the Special Issue Sustainable Energy Systems: Optimization and Efficiency)
The protection relay issues increase with the penetration of distributed generation (DG) units in distribution networks. Blind protection, sympathetic tripping and failure of reclosing are the frequent problems that are created by adding DG to the distribution networks. This research focuses on the impact of reclosers on overcurrent relay blind protection areas with DGs embedded in the distribution network. The protection blinding in overcurrent relays leads to a delay or non-tripping of the relay. The conventional solution for the blinding issue is to increase the sensitivity in the relay settings. The variation of relay settings may cause problems in the distribution network. This paper investigates the effect of reclosers on eliminating blind areas and improves the reliability in the presence of DG. In this way, possible blind points of the case study are detected, and recloser relays are then installed in appropriate locations. The case study is based on realistic data of a distribution network. The DG consists of two generators with a capacity of 4 MW. The simulation is performed in DIgSILENT software. View Full-Text
Keywords: blind protection areas; protective relay; overcurrent relay; recloser; reliability blind protection areas; protective relay; overcurrent relay; recloser; reliability
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MDPI and ACS Style

Sahebkar Farkhani, J.; Najafi, A.; Zareein, M.; Godina, R.; M. G. Rodrigues, E. Impact of Recloser on Protecting Blind Areas of Distribution Network in the Presence of Distributed Generation. Appl. Sci. 2019, 9, 5092. https://doi.org/10.3390/app9235092

AMA Style

Sahebkar Farkhani J, Najafi A, Zareein M, Godina R, M. G. Rodrigues E. Impact of Recloser on Protecting Blind Areas of Distribution Network in the Presence of Distributed Generation. Applied Sciences. 2019; 9(23):5092. https://doi.org/10.3390/app9235092

Chicago/Turabian Style

Sahebkar Farkhani, Jalal; Najafi, Arsalan; Zareein, Mohammad; Godina, Radu; M. G. Rodrigues, Eduardo. 2019. "Impact of Recloser on Protecting Blind Areas of Distribution Network in the Presence of Distributed Generation" Appl. Sci. 9, no. 23: 5092. https://doi.org/10.3390/app9235092

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