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Berlin 2018 – scientific programme

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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 5: Energy Systems / Power Grids (joint session DY/SOE)

SOE 5.3: Talk

Monday, March 12, 2018, 12:30–12:45, BH-N 128

Frequency fluctuations and dynamically induced cascading failures in power grids — •Benjamin Schäfer1,2, Dirk Witthaut3,4, Christian Beck5, Kazuyuki Aihara6, Marc Timme1,2, and Vito Latora5,71Chair for Network Dynamics, Center for Advancing Electronics Dresden (cfaed) and Institute for Theoretical Physics, Technical University of Dresden, 01062 Dresden, Germany — 2Network Dynamics, Max Planck Institute for Dynamics and Self-Organization (MPIDS), 37077 Göttingen, Germany — 3Forschungszentrum Jülich, Institute for Energy and Climate Research - Systems Analysis and Technology Evaluation (IEK-STE), 52428 Jülich, Germany — 4Institute for Theoretical Physics, University of Cologne, 50937 Köln, Germany — 5School of Mathematical Sciences, Queen Mary University of London, London E1 4NS, United Kingdom — 6Institute of Industrial Science, The University of Tokyo, Meguro-ku, Tokyo, Japan — 7Dipartimento di Fisica ed Astronomia, Università di Catania and INFN, I-95123 Catania, Italy

Reliable functioning of infrastructure networks is essential for our modern society. Cascading failures are the cause of most large-scale network outages while small fluctuations dominate the grid on a daily basis. In this talk, we demonstrate the importance of transient dynamics when investigating cascades in power grids. Furthermore, we analyze power grid frequency fluctuations based on measurements from several continents, explaining heavy tails and revealing the impact of trading.

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