The fundamental transformation of the German energy landscape as part of the energy turnaround is associated with a considerable increase in volatile feed-in from decentralized energy generation units into the distribution grid. This change causes bidirectional load flows at the low and medium voltage levels and new challenges arise in the distribution networks. Normative limits regarding voltage level and voltage quality must be satisfied while integrating the increasing number of decentralized generation units and storage facilities to guarantee a stable grid operation.
The Stadtwerke Bochum Netz GmbH offers a small distribution network section within the project framework for testing new load flow optimization algorisms. This section will be equipped with modern and smart components and thus transferred as a smart grid. An electronically controllable local substation transformer developed by ct.e – Control technology Engineering GmbH will be used. The Institute for Energy Systems, Energy Efficiency and Energy Economics (ie³) of the TU Dortmund University contributes with its experience in researching and designing protection and smart grid automation functions as well as their implementation on standardized hardware platforms. Together, a control strategy will be developed that allows the optimization of the energy flows in the Smart Grid. This implementation requires detailed system analyses, computer-aided simulations, and in particular, highly complex stability considerations. Furthermore, the results collected in the project will be applied to the above-mentioned smart grid and tested concerning their effectiveness.
The energy flow-oriented control of the distribution grid components is intended in particular to increase the degree of utilization of the regenerative producers and thus to increase the proportion of regenerative feed-in energy in the German energy mix. This results of this research have direct and indirect effects on the emission of CO2 and other climate-relevant emissions.
Based on many years of experience in its research areas, ie³ has the necessary know-how to apply suitable methods for determining the grid state, to implement control algorithms, and to integrate them into the planned concept as a superordinate control strategy. Furthermore, the laboratories of the ie³ have the technical means to simulate analogue networks and to perform realistic network simulations in real-time. Thus, the ie³ fulfils the essential requirements for the simulation of the distribution network section, both in hardware and as a digital simulation model, to determine optimal measures for energy flow adjustment.
- Project Duration: 01/2018 - 11/2020
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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.