Community Research and Development Information Service - CORDIS

Final Report Summary - MODESTO (Modelling and stability of electric power systems considering stochastic processes and distributed control)

This project stems from the worldwide reconfiguration processes that electric power systems are currently undergoing. On one hand, there is the development and installation of generation plants based on renewable energy resources, e.g., wind and solar plants, whose stochastic nature has to be properly considered in the transient analysis of power systems. On the other hand, there is the generalised trend to transform conventional networks into "smart grids", which involves the intense interaction of energy devices, control schemes and communication systems.

The power system reconfiguration poses new challenges for the dynamic analysis of electric power systems as it forces rethinking device and network models and control schemes. In particular, uncertainties, stochastic processes, time-variant parameters and signal delays are anticipated to play an important role in the overall dynamic response of the grid. This project proposes to reformulate power system models in terms of stochastic and functional, e.g., delayed, differential equations for the modeling, the simulation, the control and the stability assessment of dynamic power systems.

The main theoretical contributions of the project are the following.

- A set of models based on stochastic and delay differential-algebraic equations that allows studying the impact of uncertainties, such as the state of charge or energy storage systems, and stochastic processes, such as wind generation, and communication systems on the dynamic response of large interconnected systems. The preliminary work developed within this project has led the principal investigator to obtain significant funding from Science Foundation Ireland. In particular, the novel models above are being further developed in the framework of the prestigious SFI Investigator Programme awards AMSPAS (

- A novel approach, called "frequency divider" to estimate the frequency in transmission and distribution systems. This new concept is now being further developed by the principal investigator in the framework of H2020 consortium RESERVE (

- A fully-fledged and flexible software package able to simulate large power systems, called Dome ( This software tool is able to simulate large sets of nonlinear stochastic and delay differential-algebraic equations and yields a set of compact quantitative tools, such as stability indices and reliability metrics for power system dynamics that can be straightforwardly applied in the industry.

Overall, the development of the project has contributed, directly or in combination with other projects, to the publication of 1 monograph with title "Advances in power system modelling, control and stability analysis", edited by the principal investigator and published by IET in 2016, 4 book chapters, 29 journal papers, 46 conference papers, and 2 PhD thesis. A monograph on the modelling of converter-based energy storage systems is in preparation and will be published by Cambridge University Press by the end of 2018.

Finally, the project has provided substantial economic support to the principal investigator for the organization of the international conference "PSCC 218," which will be hold in Dublin from 11th to 15th of June 2018 ( PSCC is one of the oldest and most prestigious conferences in power systems. As a part of the organization of the conference, the principal investigator has collaborated with an Irish artist for the creation of a series of artworks inspired on power system technology ( An exhibition of these artworks will take place during the PSCC.

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