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Intégration massive d'électronique de puissance : synchronisation et stabilité des grands systèmes électriques

Debry, Marie-Sophie; Denis, Guillaume; Panciatici, Patrick; Prevost, Thibault; Xavier, Florent; Guillaud, Xavier; Kestelyn, Xavier; Menze, Andreas

Renewable generation is mainly connected through converters. It can provide more and more services to the grid such as voltage support or frequency control. However, these services may not be sufficient for extremely high penetrations. As the share of such generating units is growing rapidly, some synchronous areas could in the future be occasionally operated without synchronous machines. In such conditions, system stability will have to be ensured with the same level of reliability as today. Today, operation of power systems is based on the presence of synchronous machines. Frequency is linked to the balance between consumption and generation of electricity via the rotating masses equation. This will not be inherently valid for grids without synchronous machines. The issue of operating a network with 100 % power electronics is quite well solved for small isolated systems. The same doesn’t apply for large transmission systems where grid topology and power injections are highly variable and are not known at any time by all system components or even by a centralized entity. This paper describes the research that needs to be achieved to remove barriers to high penetrations of converters.

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  • [1] Wind and Solar Plant Collector Design Working Group, «Technical Paper Compendium PES-TPC3,» IEEE Power & Enerfy Society, Boston, US, August 2016.

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  • [3] G. Denis, T. Prevost, P. Panciatici, X. Kestelyn, F. Colas et X. Guillaud, «Review on potential strategies for transmission grid operations based on power electronics interfaced voltage sources,» chez IEEE Power & Energy General Meeting, Denver, 2015.

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