Collective nonlinear dynamics and self-organization in decentralized power grids

D Witthaut, F Hellmann, J Kurths, S Kettemann… - Reviews of modern …, 2022‏ - APS
The ongoing transition to renewable energy supply comes with a restructuring of power
grids, changing their effective interaction topologies, more and more strongly decentralizing …

Review of dynamic and transient modeling of power electronic converters for converter dominated power systems

C Shah, JD Vasquez-Plaza, DD Campo-Ossa… - IEEE …, 2021‏ - ieeexplore.ieee.org
In response to national and international carbon reduction goals, renewable energy
resources like photovoltaics (PV) and wind, and energy storage technologies like fuel-cells …

Revealing drivers and risks for power grid frequency stability with explainable AI

J Kruse, B Schäfer, D Witthaut - Patterns, 2021‏ - cell.com
Stable operation of an electric power system requires strict operational limits for the grid
frequency. Fluctuations and external impacts can cause large frequency deviations and …

Data-driven modeling of power system dynamics: Challenges, state of the art, and future work

H Huang, Y Lin, Y Zhou, Y Zhao, P Zhang, L Fan - iEnergy, 2023‏ - ieeexplore.ieee.org
With the continual deployment of power-electronics-interfaced renewable energy resources,
increasing privacy concerns due to deregulation of electricity markets, and the diversification …

Open database analysis of scaling and spatio-temporal properties of power grid frequencies

L Rydin Gorjão, R Jumar, H Maass… - Nature …, 2020‏ - nature.com
The electrical energy system has attracted much attention from an increasingly diverse
research community. Many theoretical predictions have been made, from scaling laws of …

Dynamical model for power grid frequency fluctuations: Application to islands with high penetration of wind generation

M Martínez-Barbeito, D Gomila… - IEEE Transactions on …, 2023‏ - ieeexplore.ieee.org
We study the effects of a high share of wind generation on the frequency fluctuations of
power grids on islands. We propose a dynamical model that includes conventional and …

Complexity and persistence of price time series of the European electricity spot market

C Han, H Hilger, E Mix, PC Böttcher, M Reyers, C Beck… - PRX energy, 2022‏ - APS
The large variability of renewable power sources is a central challenge in the transition to a
sustainable energy system. Electricity markets are central for the coordination of electric …

Predictability of power grid frequency

J Kruse, B Schäfer, D Witthaut - IEEE access, 2020‏ - ieeexplore.ieee.org
The power grid frequency is the central observable in power system control, as it measures
the balance of electrical supply and demand. A reliable frequency forecast can facilitate …

Stochastic properties of the frequency dynamics in real and synthetic power grids

M Anvari, LR Gorjão, M Timme, D Witthaut… - Physical review …, 2020‏ - APS
The frequency constitutes a key state variable of electrical power grids. However, as the
frequency is subject to several sources of fluctuations, ranging from renewable volatility to …

Physics-informed machine learning for power grid frequency modeling

J Kruse, E Cramer, B Schäfer, D Witthaut - PRX energy, 2023‏ - APS
The operation of power systems is affected by diverse technical, economic, and social
factors. Social behavior determines load patterns, electricity markets regulate the …