Re-synchronisation of a Microgrid to the Main Grid Using Multi-Agent Secondary Control

Andrés Tomás-Martín, Aurelio García-Cerrada, Lukas Sigrist, Sauro Yague, David Rubio Miguel, Fernando David Martín-Utrilla

Producció científica: Capítol de llibreContribució a congrés/conferènciaAvaluat per experts


The idea of having self-powered microgrids has often been proposed to take full advantage of distributed generation resources. These microgrids can work either isolated from or connected to the main grid, which brings a great deal of flexibility to the operation of electric power systems. Disconnection and reconnection of these microgrids to the main system are expected to be frequent operations that need detailed consideration. The connection can be carried out without the same frequency, using back-to-back converters or switching off the microgrid and reenergising it from the larger grid directly, but these approaches have some obvious drawbacks, like the cost of extra back-to-back converters or the loss of service during the blackout. A synchronisation that leads to no voltage difference between both grids at the point of connection solves these issues. However, if the microgrid includes more than one unit imposing the voltage and frequency, those units must be properly communicated and coordinated during the synchronisation. This paper presents a synchronisation control for a microgrid, where energy is fed through electronic power converters, using distributed multiagent secondary control. The control structure presented does not require an electronic power converter at the point of connection, only measurements. The analysis of some ideas to mitigate the synchronisation transients are also included. Detailed nonlinear simulation results are provided to show the control performance in a case study.

Idioma originalAnglès
Títol de la publicació2023 IEEE Belgrade PowerTech, PowerTech 2023
EditorInstitute of Electrical and Electronics Engineers Inc.
Nombre de pàgines6
ISBN (electrònic)9781665487788
Estat de la publicacióPublicada - 2023
Esdeveniment2023 IEEE Belgrade PowerTech, PowerTech 2023 - Belgrade, Serbia
Durada: 25 de juny 202329 de juny 2023

Sèrie de publicacions

Nom2023 IEEE Belgrade PowerTech, PowerTech 2023


Conferència2023 IEEE Belgrade PowerTech, PowerTech 2023


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