• Generalized Envelope-Based Modeling of Single-Phase Grid-Connected Power Converters 

      Azcondo, Francisco J.; Pigazo, Alberto; Brañas, Christian; Lamo, Paula; Díaz, F. Javier; Casanueva, Rosario (IEEE Transactions on Industrial Electronics, 2024)
      In-depth models of single-phase grid-tied power converters facilitate the examination of low-frequency (LF) interactions among loads, distributed energy resources (DERs), and synchronous generators by operators and designers. ...
    • Improving the Dynamic Performance of Bridgeless PFC Controllers with Zero Crossing Detector and Root-Mean-Square Calculation Blocks 

      Pigazo, Alberto; Azcondo, Francisco J.; Brañas, C.; Lamo-Anuarbe, Paula; Casanueva, Rosario; Díaz, Francisco J. (IEEE, 2023)
      Bridgeless Power Factor Correctors (PFC) with a controller utilizing rectified ac variables can benefit from well-established strategies and circuits employed in PFCs with diode-bridge front-end. The grid voltage polarity ...
    • Self-balanced Two-output Battery Charger 

      Branas, Christian; Azcondo, Francisco J.; Pigazo, Alberto; Casanueva, Rosario; Díaz, Francisco J.; Lamo-Anuarbe, Paula (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, 2023)
      The design and modeling of a self-balanced two-output battery charger capable to charge two high-power LiFePO4 battery packs is presented. The proposal is based on a four-phase resonant converter, which is designed as a ...