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Analysis of the effect of control bandwidth on inverter interactions using small-signal stability analysis

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IIT-21-082C.pdf (669.2Kb)
Autor
de la Barba Suárez, Luis Ismael
Sigrist, Lukas
Rouco Rodríguez, Luis
Avila Martinez, Regulo Enrique
García Cerrada, Aurelio
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info:eu-repo/semantics/draft
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Resumen
 
 
The penetration of power inverter connected renewable energy sources in the grid and in particular in distribution grids is growing day by day. This paper investigates, the stability of converters interacting in electrical islands through a small-signal model. More precisely, the impact of the bandwidth of the cascaded inverter controls of inverters operating in islanded grids is addressed by using modal analysis. The study relies on a detailed fundamental model of the power inverter and grid dynamics. The study shows that control interactions depend to a large extent on the system configuration, i.e., whether grid-forming andor grid-feeding inverters are present in the islanded grid.
 
URI
http://hdl.handle.net/11531/56378
Analysis of the effect of control bandwidth on inverter interactions using small-signal stability analysis
Palabras Clave

Grid-forming inverter, grid-feeding inverter, pole placement, modal analysis, eigenvalues.
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Repositorio de la Universidad Pontificia Comillas copyright © 2015  Desarrollado con DSpace Software
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