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Third Party Projects

DFG Priority Programme 1984

Hybrid and multimodal energy systems: System theoretical methods for the transformation and operation of complex networks


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The electric power system is a complex assemblage of interconnected components of different types, organised in geographically distributed structures of high complexity, which are required to meet highest reliability and security standards to enable a secure, stable and uninterrupted electric power supply. Currently, due to the politically enforced decarbonisation of the energy sector, the electric power system is undergoing a drastic transformation, which will have a fundamental impact on the way the system is organised and operated. In this context, according to current development trends, it can be expected that the system of the fu­ture will become distributed, multimodal, hybrid and smart:

Distributed: Due to the decommissioning of conventional power plants and the large-scale integration of renewables within transmission and distribution networks, the system will be characterised by distributed and mainly converter-dominated gen­era­tion. Further, the large-scale integration of storage devices all over the system is expected.

Multimodal: The grid will be interlinked with other energy networks – such as heat and gas networks – via multimodal interfaces. This will enable multimodal power and energy interactions in a coordinated way transforming the system into a highly interdependent multimodal energy system.

Hybrid: The integration of HVDC links into the AC-grid will enable coordinated power exchange over long distances in a con­trolled way and will transform the system into an AC/DC hybrid electric power system.

Smart: The system will be pervaded by in­for­mation and com­mu­ni­cation technologies over all voltage levels and multimodal domains enabling integrated monitoring, protection and control in real-time.

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This transition towards a Distributed, Multimodal, Hybrid, and Smart (DMHS) system does not only require significant changes in the established infra­structure. In fact, it can be expected that the complexity of the system will substantially increase and its dynamic behaviour will fundamentally change making the development of new planning, control and operation strategies and concepts a matter of urgency.

The Priority Programme targets on new system theories, concepts and methods for the fu­ture DMHS system to guarantee a secure, stable, resilient and efficient operation. The programme’s key objective is the re­search on new operational concepts, system architectures and monitoring and control schemes for fu­ture DMHS power systems. Besides, the programme also targets on re­search topics like suitable modelling, analysis and optimisation approaches which can be applied in the DMHS power system context.

The Priority Programme cov­ers the following areas:

  • systems theory for structuring, planning, de­sign and operation of complex DMHS power systems
  • system architectures for DMHS systems, e.g. cellular structures, multimodal active distribution networks and HVDC super grids
  • strategies and methods for resiliency, security and stability enforcement of DMHS systems, e.g. joint DMHS emergency control and contingency plans, prevention and mitigation of controller conflicts in DMHS systems
  • provision of ancillary services in DMHS systems, e.g. black-start and DMHS system restoration, grid forming converters for frequency enforcement, cross voltage level congestion management and voltage control, flexibility harvesting across DMHS domains
  • control and optimisation methods for DMHS systems, e.g. multi-agent-systems, self-organised distributed controllers, distributed machine-learning-based control, game-theoretic approaches, non-linear multi-objective optimisation
  • modelling and simulation of DMHS systems, e.g. joint modelling of ICT-, multimodal and hybrid energy systems under consideration of multiple voltage levels in the electric domain
  • approaches for deterministic and probabilistic steady-state and dynamic modelling of DMHS systems, e.g. nonlinear and hybrid model order reduction, nonlinear and hybrid system identification, artificial-intelligence-based modelling

For more in­for­mation visit the Website of the priority programme.

Sub-Projects of the ie³ in this Priority Programme

Coordination

Sponsors

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Location & approach

The campus of TU Dort­mund Uni­ver­sity is located close to interstate junction Dort­mund West, where the Sauerlandlinie A 45 (Frankfurt-Dort­mund) crosses the Ruhrschnellweg B 1 / A 40. The best interstate exit to take from A 45 is "Dort­mund-Eichlinghofen" (closer to Cam­pus Süd), and from B 1 / A 40 "Dort­mund-Dorstfeld" (closer to Cam­pus Nord). Signs for the uni­ver­si­ty are located at both exits. Also, there is a new exit before you pass over the B 1-bridge leading into Dort­mund.

To get from Cam­pus Nord to Cam­pus Süd by car, there is the connection via Vo­gel­pothsweg/Baroper Straße. We recommend you leave your car on one of the parking lots at Cam­pus Nord and use the H-Bahn (suspended monorail system), which conveniently connects the two campuses.

TU Dort­mund Uni­ver­sity has its own train station ("Dort­mund Uni­ver­si­tät"). From there, suburban trains (S-Bahn) leave for Dort­mund main station ("Dort­mund Hauptbahnhof") and Düsseldorf main station via the "Düsseldorf Airport Train Station" (take S-Bahn number 1, which leaves every 20 or 30 minutes). The uni­ver­si­ty is easily reached from Bochum, Essen, Mülheim an der Ruhr and Duis­burg.

You can also take the bus or subway train from Dort­mund city to the uni­ver­si­ty: From Dort­mund main station, you can take any train bound for the Station "Stadtgarten", usually lines U41, U45, U 47 and U49. At "Stadtgarten" you switch trains and get on line U42 towards "Hombruch". Look out for the Station "An der Palmweide". From the bus stop just across the road, busses bound for TU Dort­mund Uni­ver­sity leave every ten minutes (445, 447 and 462). Another option is to take the subway routes U41, U45, U47 and U49 from Dort­mund main station to the stop "Dort­mund Kampstraße". From there, take U43 or U44 to the stop "Dort­mund Wittener Straße". Switch to bus line 447 and get off at "Dort­mund Uni­ver­si­tät S".

The AirportExpress is a fast and convenient means of transport from Dort­mund Airport (DTM) to Dort­mund Central Station, taking you there in little more than 20 minutes. From Dort­mund Central Station, you can continue to the uni­ver­si­ty campus by interurban railway (S-Bahn). A larger range of in­ter­na­tio­nal flight connections is offered at Düsseldorf Airport (DUS), which is about 60 kilometres away and can be directly reached by S-Bahn from the uni­ver­si­ty station.

The H-Bahn is one of the hallmarks of TU Dort­mund Uni­ver­sity. There are two stations on Cam­pus Nord. One ("Dort­mund Uni­ver­si­tät S") is directly located at the suburban train stop, which connects the uni­ver­si­ty directly with the city of Dort­mund and the rest of the Ruhr Area. Also from this station, there are connections to the "Technologiepark" and (via Cam­pus Süd) Eichlinghofen. The other station is located at the dining hall at Cam­pus Nord and offers a direct connection to Cam­pus Süd every five minutes.

The facilities of TU Dort­mund Uni­ver­sity are spread over two campuses, the larger Cam­pus North and the smaller Cam­pus South. Additionally, some areas of the uni­ver­si­ty are located in the adjacent "Technologiepark".

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