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Listar por autor "Pigazo, Alberto"

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    • Academic Use of Rapid Prototyping in Digitally Controlled Power Factor Correctors 

      Lamo-Anuarbe, Paula; Azcondo, Francisco J.; Pigazo, Alberto (Electronics (Switzerland), 2022)
      The growing use of power converters connected to the grid motivates their study in power electronics courses and the prototype development in the degree final project (DFP). However, the practical realization of using ...

    • Envelope-based Modeling for Single-Phase Grid-Following and Forming Converters 

      Azcondo, Francisco J.; Pigazo, Alberto; Lamo-Anuarbe, Paula; Branas, Christian (Proceedings of the IEEE Workshop on Computers in Power Electronics, COMPEL, 2022)
      The study of the interaction with the grid, including synchronization, controller design and stability assessment for 1f grid-following (GFL) and grid-forming (GFM) power converters requires an efficient modeling tool to ...

    • Frequency Estimation in DSOGI cells by means of the Teager Energy Operator 

      Pigazo, Alberto; Azcondo, Francisco J.; Branas, Christian; Lamo-Anuarbe, Paula (Proceedings of the IEEE Workshop on Computers in Power Electronics, COMPEL, 2022)
      Second Order Generalized Integrator (SOGI) cells are used for notch filtering due to their simplicity and harmonic rejection capability. SOGI and Dual SOGI (DSOGI) filter cells, combined with Frequency Locked Loops (FLL) ...

    • 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. ...

    • Hardware-in-the-Loop and Digital Control Techniques Applied to Single-Phase PFC Converters 

      Lamo-Anuarbe, Paula ; de Castro, Ángel; Sanchez, Alberto; Ruiz, Gustavo A.; Azcondo, Francisco J.; Pigazo, Alberto (Electronics, 2021)
      Power electronic converters for power factor correction (PFC) play a key role in single-phase electrical power systems, ensuring that the line current waveform complies with the applicable standards and grid codes while ...

    • Improved Noise Immunity for Two-Sample PLL Applicable to Single-Phase PFCs 

      Lamo-Anuarbe, Paula ; Azcondo, Francisco J.; Pigazo, Alberto (2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics, COMPEL 2021, 2021)
      Synchronization in a single-phase Power Factor Correction (PFC) is deteriorated, among others, by the combination of the noise introduced by the grid voltage sensing, conducted EMI, the ADC resolution and the sampling ...

    • Open AccessArticle Impact of the Noise on the Emulated Grid Voltage Signal in Hardware-in-the-Loop Used in Power Converters 

      Lamo-Anuarbe, Paula; Ruiz, Gustavo A.; Azcondo, Francisco J.; Pigazo, Alberto; Brañas, Christian (Electronics (Switzerland), 2023)
      This work evaluates the impact of the input voltage noise on a Hardware-In-the-Loop (HIL) system used in the emulation of power converters. A poor signal-to-noise ratio (SNR) can compromise the accuracy and precision of ...

    • 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 ...

    • Two-Sample PLL with Harmonic Filtering Capability Applicable to Single-Phase Grid-Connected Converters 

      Lamo-Anuarbe, Paula ; Pigazo, Alberto ; Azcondo, Francisco J. (Institute of Electrical and Electronics Engineers Inc., 2021)
      The two-sample phase locked loop (2S PLL) in single-phase digitally controlled grid-connected power converters provide synchronization with a minimal computational burden. However, the distortion of the grid voltage ...