Basiswissen Energieinformatik

Stuckenholz, Alexander

doi:10.1007/978-3-658-31809-3

2020

DOI: 10.1007/978-3-658-31809-3

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Basiswissen Energieinformatik

Alexander Stuckenholz¹

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“…The duration of energy storage has been categorized based on the definition of system services in the grid starting with momentary reserve in milliseconds as immediate grid services, followed by primary, secondary, and tertiary reserve in minutes until exchange within one balancing group starts. The latter describes the smallest unit of the energy market model and refers to a virtual energy account to balance any number of energy inputs and outputs [59]. The duration is only fixed for system services, e.g., frequency control [45].…”

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Hybrid Energy Storage Systems Based on Redox-Flow Batteries: Recent Developments, Challenges, and Future Perspectives

et al. 2023

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Recently, the appeal of Hybrid Energy Storage Systems (HESSs) has been growing in multiple application fields, such as charging stations, grid services, and microgrids. HESSs consist of an integration of two or more single Energy Storage Systems (ESSs) to combine the benefits of each ESS and improve the overall system performance, e.g., efficiency and lifespan. Most recent studies on HESS mainly focus on power management and coupling between the different ESSs without a particular interest in a specific type of ESS. Over the last decades, Redox-Flow Batteries (RFBs) have received significant attention due to their attractive features, especially for stationary storage applications, and hybridization can improve certain characteristics with respect to short-term duration and peak power availability. Presented in this paper is a comprehensive overview of the main concepts of HESSs based on RFBs. Starting with a brief description and a specification of the Key Performance Indicators (KPIs) of common electrochemical storage technologies suitable for hybridization with RFBs, HESS are classified based on battery-oriented and application-oriented KPIs. Furthermore, an optimal coupling architecture of HESS comprising the combination of an RFB and a Supercapacitor (SC) is proposed and evaluated via numerical simulation. Finally, an in-depth study of Energy Management Systems (EMS) is conducted. The general structure of an EMS as well as possible application scenarios are provided to identify commonly used control and optimization parameters. Therefore, the differentiation in system-oriented and application-oriented parameters is applied to literature data. Afterwards, state-of-the-art EMS optimization techniques are discussed. As an optimal EMS is characterized by the prediction of the system’s future behavior and the use of the suitable control technique, a detailed analysis of the previous implemented EMS prediction algorithms and control techniques is carried out. The study summarizes the key aspects and challenges of the electrical hybridization of RFBs and thus gives future perspectives on newly needed optimization and control algorithms for management systems.

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Hybrid Energy Storage Systems Based on Redox-Flow Batteries: Recent Developments, Challenges, and Future Perspectives

et al. 2023

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IT – Enabler der Energiewende

Hooß,

Knoll,

Welter

2024

HMD

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ZusammenfassungDer Umbau des Energiesystems von einer weitgehend hierarchischen hin zu einer stark dezentralisierten und nachhaltigen Struktur erfordert umfassende Überlegungen zur Entwicklung geeigneter IT-Lösungen. Dabei beeinflussen einerseits der Stand technischer Entwicklungen, andererseits der Stand der Regulatorik und Standardisierung die Verfügbarkeit und die Akzeptanz „passender“ Anwendungssysteme. Es wird zudem deutlich, dass weniger das Fehlen innovativer Ansätze in der IT, als vielmehr geeignete Wege zur „richtigen“ Kombination bereits verfügbarer – und vielfach auch bereits in anderen Bereichen bewährter – Technologien und Komponenten den notwendigen niederschwelligen IT-Einsatz erschweren. Dieser Einführungsbeitrag stellt daher ausgehend von den Besonderheiten des im Umbau befindlichen Energiesystems zentrale Technologien, Konzepte und Elemente im IT-Kontext vor, die notwendig sind, um die Herausforderungen bewältigen zu können. Ein Ausblick rundet den Beitrag ab.

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Basiswissen Energieinformatik

Cited by 2 publications

References 0 publications

Hybrid Energy Storage Systems Based on Redox-Flow Batteries: Recent Developments, Challenges, and Future Perspectives

Hybrid Energy Storage Systems Based on Redox-Flow Batteries: Recent Developments, Challenges, and Future Perspectives

IT – Enabler der Energiewende

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