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Berlin 2018 – scientific programme

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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 7: Poster

SOE 7.3: Poster

Monday, March 12, 2018, 17:00–20:00, Poster E

Large-deviation properties of oscillator models of energy grids — •Yannick Feld and Alexander K. Hartmann — Institute of Physics, University of Oldenburg, Germany

The exit from nuclear and fossil-fuel energy is resulting in the need for extensive installation of renewable energy generators. Therefore maintaining a stable energy grid becomes more challenging. To find very stable and very unstable grid topologies we apply Markov Chain Monte Carlo simulations of random networks. With large-deviation techniques, specifically by using an artifical finite-temperature (Boltzmann) ensemble, one can access a broad range of the network probability distribution up to very small probability densities (e.g. 10−50)[1]. In the past large-deviation properties of static power grids were investigated [2]. Here we apply the same approach to a dynamic model of power grids, specifically a Kuramoto-like model [3].

[1] A.K. Hartmann, Eur. Phys. J. B 84, 627-634 (2011)

[2] T. Dewenter and A.K. Hartmann, New J. Phys. 17 015005 (2015)

[3] G. Filatrella, A.H. Nielsen, and N.F. Pedersen, Eur. Phys. J. B 61 485-491 (2008)

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