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Title: ASSESSMENT OF PROSUMER PHOTOVOLTAIC INSTALLATION IMPACT ON VOLTAGE VARIATIONS IN LOW-VOLTAGE NETWORKS
ASSESSMENT OF PROSUMER PHOTOVOLTAIC INSTALLATION IMPACT ON VOLTAGE VARIATIONS IN LOW-VOLTAGE NETWORKS

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Denisa Rusinaru; Paul Mihai Mircea; Gabriel Cosmin Buzatu; Leonardo Geo Manescu; Miron Alba
10.5593/sgem2022V/4.2/s17.63
10.5593/sgem2022V/4.2
1314-2704
978-619-7603-50-7
English
22
4.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Renewable Energy Sources & Clean Technologies
This paper addresses the impact of the increasing penetration of renewable solar photovoltaic (PV) in the power distribution grids. A collaborative project between the university and the local power distribution grid’s operator (PDO) led to this assessment, which addressed the operator’s specific concerns about how renewable energy-based generators might affect the power quality (PQ) in its grid system. There was evaluated the interaction between PV prosumers' installations and the hosting low voltage (LV) network, specifically the variations in voltage produced or amplified by prosumers, as well as the events experienced by these ones. For the purpose of the analysis, one-weekinterval PQ measurement have been processed at the outputs of real PV prosumers located in the LV network, as well as at the LV buses of the supplying substations. The behavior of different solar inverter technologies in the power grid is also examined. The bi-directional prosumer-grid influence is analyzed and the origin of PQ events are estimated. Measurements-based observations revealed a shared responsibility between PV generation conditions, solar inverter operation, and the hosting power grid. Lastly, general conclusions about measurement, analysis, and mitigation are provided.
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[7] D. Rusinaru, L. G. Manescu, A. Cojoaca, M. Alba, C. Bulac, and D. Rosca, Grid Integration of the Small Generation Units in LV Distribution Networks, 2018 International Conference on Applied and Theoretical Electricity (ICATE), 2018, 1-6.
[8] ANRE Order 228/2018, Technical conditions for connection to electrical networks of public interest for prosumers with active power injection in the network, Bucharest, 2018.
[9] EN 50549-1:2019, Requirements for generating plants to be connected in parallel with distribution networks – Part 1: Connection to a LV distribution network – Generating plants up to and including Type B.
[10] EN 50160:2010/A2:2019 Voltage Characteristics of Public Distribution Systems.
[11] ANRE, Performance Standard for Power Distribution Service (ANRE Order 64/2022), 2022, www.anre.ro.
[12] IEC 61000-3-2:2018 Electromagnetic compatibility (EMC) – Part 3-2: Limits – Limits for harmonic current emissions (equipment input current ? 16 A per phase).
[13] IEC 61000-3-12:2011+A1:2021, Electromagnetic compatibility (EMC) - Part 3-12: Limits-Limits for harmonic currents produced by equipment connected to public LV systems with input current >16 A and ? 75 A per phase.
conference
https://doi.org/10.5593/sgem2022V/4.2/s17.63
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Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 06-08 December, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
511-518
06-08 December, 2022
website
8880
photovoltaics, inverter, power distribution grid, voltage variation, power quality