State of Charge Based Characteristic Diagram Control for Energy Storage Systems within Industrial DC Microgrids

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dc.identifier.uri http://dx.doi.org/10.15488/10382
dc.identifier.uri https://www.repo.uni-hannover.de/handle/123456789/10456
dc.contributor.author Männel, Alexander eng
dc.contributor.author Knöchelmann, Elias eng
dc.contributor.author Tappe, Svenja eng
dc.contributor.author Ortmaier, Tobias eng
dc.date.accessioned 2021-02-04T12:04:18Z
dc.date.issued 2019-05-20
dc.identifier.citation Männel, A.; Knöchelmann, E.; Tappe, S.; Ortmaier, T. : State of Charge Based Characteristic Diagram Control for Energy Storage Systems within Industrial DC Microgrids. In: Proceedings of the 2019 IEEE Third International Conference on DC Microgrids (ICDCM). Piscataway, NJ : IEEE, 2019. DOI: https://doi.org/10.1109/ICDCM45535.2019.9232876 eng
dc.description.abstract In this paper, a state of charge (SoC) based characteristic diagram control concept for energy storage systems (ESS) within an industrial direct current (DC) microgrid is proposed. The inputs are the SoC of the ESS and the terminal voltage of the DC microgrid. The output is the charge and discharge current for the converter, which connects the ESS with the DC microgrid. An appropriate design concept for the characteristic diagram is then investigated to achieve a flexible control reacting on changing conditions within the DC microgrid. These could be a temporary overload, due to a changing number of grid participants or an additional feed-in through a photovoltaic (PV) system. The characteristic diagram design concept is even applicable without a deep knowledge of the load profile of the DC microgrid. The concept was analyzed and evaluated based on simulations with load profiles from robot cells. The results show that the SoC depends on the current load of the DC microgrid. If the load returns to average, the SoC of the ESS inclines back to the nominal SoC, which is pre-defined by the grid operator. Furthermore, in case of an appropriate design of the characteristic diagram, it can protect the ESS against overcharging or deep discharging. eng
dc.language.iso eng eng
dc.publisher Piscataway, NJ : IEEE
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden. eng
dc.subject DC Microgrids eng
dc.subject Industrial Production eng
dc.subject Energy Storage System eng
dc.subject Droop Curve Control eng
dc.subject Characteristic Diagram eng
dc.subject.ddc 620 | Ingenieurwissenschaften und Maschinenbau eng
dc.title State of Charge Based Characteristic Diagram Control for Energy Storage Systems within Industrial DC Microgrids eng
dc.type article eng
dc.type conferenceObject eng
dc.type Text
dc.relation.doi 10.1109/ICDCM45535.2019.9232876
dc.description.version acceptedVersion eng
tib.accessRights frei zug�nglich eng


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