Dresden 2017 – wissenschaftliches Programm
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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 14.10: Vortrag
Mittwoch, 22. März 2017, 18:00–18:15, ZEU 160
Topology related Instabilities driven by Intermittent Fluctuations in Distribution Grids — •Sabine Auer1,2, Frank Hellmann1, and Jürgen Kurths1,2,3,4 — 1Potsdam Institute for Climate Impact Research, 14412 Potsdam, Germany — 2Department of Physics, Humboldt University Berlin, 12489 Berlin, Germany — 3Institute of Complex Systems and Mathematical Biology, University of Aberdeen, Aberdeen AB24 3FX, UK — 4Department of Control Theory, Nizhny Novgorod State University, 606950 Nizhny Novgorod, Russia
The impact of increased shares in variable renewable energy sources on the power system is subject to a controversial public debate. The question to what extent grid stability is influenced, especially the effect on distribution grids, is not well-understood but has come into focus, recently.
Thus, we investigated the influence of intermittent fluctuations from renewables on frequency stability with respect to network topology. Here, single node fluctuations are exerted onto each node of a typical distribution grid and the reaction in network frequency is quantified studying the frequency tail distributions.
We chose two prominent model cases which stand for today's Mid-Voltage distribution and potential future micro grids. Results and potential balancing measures as decentral smart grid control with the help from electric vehicles will be discussed.