Reliability Analysis of MV Electric Distribution Networks Including Distributed Generation and ICT Infrastructure

Miroslaw Parol, Jacek Wasilewski, Tomasz Wojtowicz, Bartlomiej Arendarski and Przemyslaw Komarnicki
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Miroslaw Parol: Institute of Electrical Power Engineering, Faculty of Electrical Engineering, Warsaw University of Technology, Koszykowa 75 Street, 00-662 Warsaw, Poland
Jacek Wasilewski: PSE S.A., Warszawska 165 Street, 05-520 Konstancin-Jeziorna, Poland
Tomasz Wojtowicz: Institute of Electrical Power Engineering, Faculty of Electrical Engineering, Warsaw University of Technology, Koszykowa 75 Street, 00-662 Warsaw, Poland
Bartlomiej Arendarski: Fraunhofer Institute for Factory Operation and Automation IFF, D-39106 Magdeburg, Germany
Przemyslaw Komarnicki: Department of Engineering and Industrial Design, University of Applied Sciences Magdeburg-Stendal, D-39114 Magdeburg, Germany

Energies, 2022, vol. 15, issue 14, 1-34

Abstract: In recent years, the increased distributed generation (DG) capacity in electric distribution systems has been observed. Therefore, it is necessary to research existing structures of distribution networks as well as to develop new (future) system structures. There are many works on the reliability of distribution systems with installed DG sources. This paper deals with a reliability analysis for both present and future medium voltage (MV) electric distribution system structures. The impact of DG technology used and energy source location on the power supply reliability has been analyzed. The reliability models of electrical power devices, conventional and renewable energy sources as well as information and communications technology (ICT) components have been proposed. Main contribution of this paper are the results of performed calculations, which have been analyzed for specific system structures (two typical present network structures and two future network structures), using detailed information on DG types, their locations and power capacities, as well as distribution system automation applied (automatic stand-by switching on—ASS and automatic power restoration—APR). The reliability of the smart grid consisting of the distribution network and the coupled communications network was simulated and assessed. The observations and conclusions based on calculation results have been made. More detailed modeling and consideration of system automation of distribution grids with DG units coupled with the communication systems allows the design and application of more reliable MV network structures.

Keywords: distribution of electric power; distributed storage and generation; smart grids; power distribution reliability; information and communication technology (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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