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Dresden 2017 – scientific programme

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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 14: Focus: The Physics of Power-Grids – Fluctuations, Synchronization and Network Structures (joint session DY / SOE)

SOE 14.3: Talk

Wednesday, March 22, 2017, 15:45–16:00, ZEU 160

Scaling of transmission capacities in aggregated renewable electricity networksSimon Bugge Siggaard1, Chris Risager Poulsen1, Jonas Hörsch2, Mirko Schäfer1, and •Martin Greiner11Department of Engineering, Aarhus University, Denmark — 2Frankfurt Institute for Advanced Studies, Germany

Models of the electricity system often feature only a reduced spatial resolution, either due to lack of data or in order to reduce the complexity of the problem with respect to numerical calculations. For the determination of power flows in the respective electricity grid model, this reduced spatial resolution is connected to an aggregation procedure, which concerns both the network topology as well as the pattern of power imports and exports at the network nodes. The resulting flow patterns and transmission capacities of the system thus depend on the spatial resolution of the aggregated network. In this contribution, we investigate the scaling properties of aggregated power flows and transmission capacities on synthetic complex networks and a model of the European power grid, both including a high share of fluctuating renewable generation. The numerical findings are supported by analytical results for the scaling of power flows on aggregated two-dimensional lattices.

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