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Exhaustive Modal Analysis of Interconnected European Power System: Exhaustive Modal Analysis of Interconnected European Power System

Abstract : The interconnected European power system is evolving due to the new extensions and to the systematic integration of Power Park Modules, i.e., unit or ensemble of units generation electricity (Renewable Energy (RE), Distributed Generation (DG), etc), which is connected to the grid by power electronics and FACTS (STATCOM, HVDC,...). As a consequence, the increase of the size and the emergence of the new oscillatory modes which involve distant dynamic devices, i.e., of coupling modes (modes associated to generator/turbine inertia, and modes associated to Power Park Modules), and of modes related to various regulations. In this paper, a full scan of European power system is given. An exhaustive method that determines all oscillatory modes independently of the system’s order, of the topology and without a priori knowledge about the system, is used. The exhaustive method is fully analytic. Indeed, it is based only on the state-space realisation of any given power system and does not require operator manipulation like dynamic simulations. To this end, we quantify and analyse the interaction between the different inputs/outputs of a given system. This leads to the identification of classes of coupled dynamic devices of the power system. Next, starting from a reduced number of classes, a selective modal analysis method is applied to each class to put into evidence a good approximation of all oscillatory modes. Finally, a complete classification of the oscillatory modes found at the previous stage is provided in terms of the types (interarea, electrical, ...) and their characteristics (oscillation frequency, damping, participation, ...). 2900 oscillatory modes were found for the studied model of the European system
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https://hal.archives-ouvertes.fr/hal-03103860
Contributor : Mohamed Kouki <>
Submitted on : Friday, January 8, 2021 - 2:12:52 PM
Last modification on : Tuesday, February 2, 2021 - 4:03:25 PM

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  • HAL Id : hal-03103860, version 1

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Mohamed Kouki, Bogdan Marinescu, Florent Xavier. Exhaustive Modal Analysis of Interconnected European Power System: Exhaustive Modal Analysis of Interconnected European Power System. 2020 IEEE Electric Power and Energy Conference (EPEC), Nov 2020, Edmonton, AB, Canada. ⟨hal-03103860⟩

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