Regensburg 2025 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 8: Focus Session: Nonlinear Dynamics and Stochastic Processes – Advances in Theory and Applications II

DY 8.7: Vortrag

Montag, 17. März 2025, 17:15–17:30, H43

Stability of power grids concerning strong perturbations - tropical cyclones and increasing resilience — •Jürgen Kurths — Potsdam Institute for Climate Impact Research, Telegraphenberg, 14473 Potsdam

The infrastructure of our modern society is efficient but also sensitive concerning strong perturbations, as terrorist attacks on the cybersystem or extreme climate events. An important part of modern infrastructure are power grids, which are characterized by multistability. For them, the strongly ongoing transition to distributed renewable energy sources leads to a proliferation of dynamical actors. The desynchronization of a few or even one of those would likely result in a substantial blackout. We discuss the concept of basin stability covering strong perturbations and identify most vulnerable motifs in power grids. To consider the vulnerability of power grids against extreme wind loads, we combine a detailed model of of extreme events, and a cascadable model of the transmission network to provide a holistic co-evolution model to consider wind-induced failures of transmission lines in the Texan electrical network.

Keywords: Statistical Physics; Complex Networks; Stability; Power Grids; Extreme Climate Events