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Increasing the Renewables’ Hosting Capacity by Topology Optimization of Neighbouring Medium Voltage Grids

Kharrat, Achraf ; Böhringer, Marcel ; Hanson, Jutta ; Weispfenning, Lars ; Krontiris, Athanasios ; Jeromin, Ingo ; Petermann, D. ; Büchau, N. (2023)
Increasing the Renewables’ Hosting Capacity by Topology Optimization of Neighbouring Medium Voltage Grids.
27th International Conference & Exhibition on Electricity Distribution (CIRED 2023). Rome, Italy (12.-15.06.2023)
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

In this work, a method is presented to ensure more regional use of the generated electric power in neighboring medium voltage grids, thus increasing their capacity to host renewable energy sources. The method consists of a grid topology optimization during operation, where load segments between two neighboring medium voltage grids are switched over. The considered grids should have different load and generation characteristics as well as an existing coupling possibility between them. The results of this concept applied to two real medium voltage grids in a southwestern region in Germany show that the yearly fed-up energy to the high voltage grid could be reduced by up to 19 %. In addition, a guaranteed free hosting capacity could be added to a grid depending on the base load of the switchable segment. It is also shown that loop-flow currents can occur during switching and can be critical to the grid if not well calculated.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2023
Autor(en): Kharrat, Achraf ; Böhringer, Marcel ; Hanson, Jutta ; Weispfenning, Lars ; Krontiris, Athanasios ; Jeromin, Ingo ; Petermann, D. ; Büchau, N.
Art des Eintrags: Bibliographie
Titel: Increasing the Renewables’ Hosting Capacity by Topology Optimization of Neighbouring Medium Voltage Grids
Sprache: Englisch
Publikationsjahr: 12 Juni 2023
Veranstaltungstitel: 27th International Conference & Exhibition on Electricity Distribution (CIRED 2023)
Veranstaltungsort: Rome, Italy
Veranstaltungsdatum: 12.-15.06.2023
Kurzbeschreibung (Abstract):

In this work, a method is presented to ensure more regional use of the generated electric power in neighboring medium voltage grids, thus increasing their capacity to host renewable energy sources. The method consists of a grid topology optimization during operation, where load segments between two neighboring medium voltage grids are switched over. The considered grids should have different load and generation characteristics as well as an existing coupling possibility between them. The results of this concept applied to two real medium voltage grids in a southwestern region in Germany show that the yearly fed-up energy to the high voltage grid could be reduced by up to 19 %. In addition, a guaranteed free hosting capacity could be added to a grid depending on the base load of the switchable segment. It is also shown that loop-flow currents can occur during switching and can be critical to the grid if not well calculated.

Fachbereich(e)/-gebiet(e): 18 Fachbereich Elektrotechnik und Informationstechnik
18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Elektrische Energiesysteme > Elektrische Energieversorgung unter Einsatz Erneuerbarer Energien
18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Elektrische Energiesysteme
Hinterlegungsdatum: 10 Aug 2023 07:24
Letzte Änderung: 10 Aug 2023 07:24
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