Blar i ODA Open Digital Archive på forfatter "Peinke, Joachim"

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    • Bridging between load-flow and Kuramoto-like power grid models: A flexible approach to integrating electrical storage units 

      Schmietendorf, Katrin; Kamps, Oliver; Wolff, Matthias; Lind, Pedro; Maass, Philipp; Peinke, Joachim (Chaos: An Interdisciplinary Journal of Nonlinear Science ;Volume 29, Issue 10, Journal article; Peer reviewed, 2019-08-16)
      In future power systems, electrical storage will be the key technology for balancing feed-in fluctuations. With increasing share of renewables and reduction of system inertia, the focus of research expands toward short-term ...

    • Disentangling stochastic signals superposed with periodic oscillations 

      Kampers, Gerrit; Waechter, Matthias; Hoelling, Michael; Lind, Pedro; Queiros, Silvio D.A.; Peinke, Joachim (Physics Letters A;Volume 384, Issue 15, 29 May 2020, 126307, Journal article; Peer reviewed, 2020-02-05)
      We introduce a procedure for separating periodic oscillations superposed on a stochastic signal. The procedure combines empirical mode decomposition (EMD) of a signal with tools of data analysis based on stochastic ...

    • Heterogeneities in electricity grids strongly enhance non-Gaussian features of frequency fluctuations under stochastic power input 

      Wolff, Matthias; Schmietendorf, Katrin; Lind, Pedro; Kamps, Oliver; Peinke, Joachim; Maass, Philipp (Chaos;Volume 29, Issue 10, Journal article; Peer reviewed, 2019-10-08)
      Stochastic feed-in of fluctuating renewable energies is steadily increasing in modern electricity grids, and this becomes an important risk factor for maintaining power grid stability. Here, we study the impact of wind ...

    • On the existence and characterization of extreme events in wind data 

      Garcia, Constantino; Lind, Pedro; Wächter, Matthias; Otero, Antonio; Peinke, Joachim (Conference object, 2019)
      We present evidence that quantitative definitions of extreme events in wind, so called gusts, may be flawed and unable to grasp true extreme situations of wind velocity in short time intervals. In particular, we show that ...

    • Small scale structures of turbulence in terms of entropy and fluctuation theorems 

      Fuchs, Andre; Queiros, Silvio D.A.; Lind, Pedro; Girard, Alain; Bouchet, Freddy; Wächter, Matthias; Peinke, Joachim (Physical Review Fluids;5, 034602, Journal article; Peer reviewed, 2020-03-11)
      We present experimental evidence that, together with the integral fluctuation theorem, which is fulfilled with high accuracy, a detailed-like fluctuation theorem holds for large entropy values in cascade processes in ...