The political will to protect the climate and the corresponding targets of the EEG are leading to an increase in installed capacity for electricity generation from renewable energy resources in Germany. In addition, many applications in the mobility and heat sector will be electrified. The distribution grids in particular account for a large part of this development and, due to the new supply task, there is a significant need for grid reinforcement in many regions. Since grid expansion is associated with high investment costs, methods must be developed to determine the necessary and cost-efficient grid expansion measures. At ie³, various simulation environments can be used to simulate the need for grid expansion taking into account current planning principles.
The simulation environment ADiXPlan enables the determination of grid reinforcement measures on the basis of two generated relevant grid study cases. The methodology uses forecasts for the increase of installed capacities of distributed energy resource units in addition to the grid data as an input. A discretisation in individual units is then carried out to determine the future supply task in the grid area. In the next step, the behaviour of flexible units can be taken into account in the creation of the load and feed-in scenarios. For example, peak shaving of wind turbines can be considered using an upstream time series simulation. Power flow calculations can be carried out for both study cases, in which the use of innovative equipment, such as OLTCs, is optimized. In case of constraint violations, efficient grid expansion measures are determined by means of a heuristic. The heuristic enables the rapid calculation of different future scenarios in the investigated grids and provides the grid expansion measures as a result, which is also expressed in monetary terms. Additional information about ADiXPlan can be found in the dissertation "Integration und Bewertung der Spitzenkappung als Planungsgrundsatz zur wirtschaftlichen Netzentwicklung in Mittelspannungsnetzen" by Dr.-Ing. Christian Wagner.
An extension of the expansion simulation tool allows the determination of grid expansion measures based on annual time series and integrates the general flexibility consideration into the planning process. Existing time series, which may originate from a market simulation or SIMONA, are expanded to include information on whether the associated units are fundamentally flexible and can be used to counter congestions. An input parameter is used to determine the extent to which the flexibility of these units can be used for that purpose. On the basis of sensitivity calculations, the schedules of the flexible units are adjusted in such a way that any breaches of grid constraints are eliminated or reduced. Thus, the changed time series of each unit serve as input data for the selection of the grid reinforcement measures. These measures are determined for meshed grid topologies by means of optimisation. The expansion simulation thus generates grid expansion variants which require flexibility management that is beneficial to the grid. These grid expansion variants for example can be used for the economic analysis and evaluation of regional flexibility markets and the associated investment cost savings in grid expansion.
Search & People Search
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.