Abstract
For historical reasons, power systems are designed, controlled and operated centrally. A coordination of the rising number of increasingly heterogeneous, small-scale and citizen- or company-owned assets is not possible with this approach, especially not in the distribution system. The goal of the PhD project presented in this extended abstract is to find out how well distributed approaches perform in orchestrating distributed assets in future power systems from a holistic point of view in comparison to centralized approaches. The research questions are defined and the planned methodology of the project is presented. The most promising use cases in this context are identified, the concept of a decentralized virtual power plant is proposed as a new use case for providing flexibility with small-scale assets and the first ideas for an evaluation framework are presented. Next steps in the project are refining the evaluation framework and evolving the yet existing lab setups. Once these are completed, simulation models can be developed and the main research questions can be answered in detail.
Highlights
IntroductionThe electrical power system (EPS) is traditionally planned and operated hierarchically and centrally
Our society depends on a reliable power supply
The aim is to provide a foundation for deciding how to orchestrate distributed assets in a future electrical power system empowered by renewable energies and storages under the hypothesis that a central control is not desirable
Summary
The electrical power system (EPS) is traditionally planned and operated hierarchically and centrally. This does not reflect the increasingly decentralized and volatile energy landscape. According to the cellular concept, locally limited areas consisting of electrical producers, consumers and storages form an energy cell. Many of these cells form a larger cell, in which the individual cells organize themselves and balancing is done at the lowest possible level. In this context many recent studies and publications attribute a high potential to peer-to-peer (P2P) approaches based on distributed ledger technologies (DLTs) (BDEW Bundesverband der Energie und Wasserwirtschaft e.V., Schlund Energy Informatics 2018, 1(Suppl 1):
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