• Enhancement of the voltage control response in three-phase photovoltaic inverters with small dc capacitors 

      Urtasun Erburu, Andoni Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2023)   Artículo / Artikulua  OpenAccess
      In the case of photovoltaic (PV) inverters, an adequate dc voltage regulation is fundamental to maximize or limit the power injected into the grid. However, the traditional control requires a large dc capacitance to ensure ...
    • Medium-voltage cascaded sequential topology for large-scale PV plants 

      Lumbreras Magallón, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Balda Belzunegui, Julián; Navarrete, Manuel; González Senosiain, Roberto Upna; Sanchis Gúrpide, Pablo Upna Orcid (Institute of Electrical and Electronics Engineers Inc., 2021)   Artículo / Artikulua  OpenAccess
      Photovoltaic (PV) conversion systems are in continuous development due to their increasingly competitive prices. The traditional configuration of large-scale PV plants is based on high-power central inverters, which have ...
    • Power angle-frequency droop control to enhance transient stability of grid-forming inverters under voltage dips 

      Erdocia Zabala, Ioseba Upna; Urtasun Erburu, Andoni Upna Orcid; Marroyo Palomo, Luis Upna Orcid (IEEE, 2022)   Artículo / Artikulua  OpenAccess
      Due to the replacement of synchronous generators, grid operators are currently demanding to control grid-connected inverters in grid–forming mode to make them participate in the maintenance of the grid. To carry this ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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