Browsing by UPNA Author "Marroyo Palomo, Luis"
Now showing items 1-20 of 53
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Adaptive voltage control of the DC/DC boost stage in PV converters with small input capacitor
Urtasun Erburu, Andoni
; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2013)
Artículo / Artikulua 
In the case of photovoltaic (PV) systems, an adequate PV voltage regulation is fundamental in order to both maximize and limit the power. For this purpose, a large input capacitor has traditionally been used. However, when ... -
Adjustment of the fuzzy logic controller parameters of the energy management strategy of a grid-tied domestic electro-thermal microgrid using the Cuckoo search algorithm
Arcos Avilés, Diego; García Gutiérrez, Gabriel; Guinjoan Gispert, Francesc; Pascual Miqueleiz, Julio María ; Marroyo Palomo, Luis (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
During the last century, population growth, together with economic development, has considerably increased the energy demand and, although renewable energies are becoming an alternative, still total energy supply is mainly ... -
Analysis of a CIS based PV generator versus a multicrystalline generator under outdoor long-term exposure
Parra Laita, Íñigo de la ; Guerra Menjívar, Moisés Roberto; Marcos Álvarez, Javier ; García Solano, Miguel ; Marroyo Palomo, Luis (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
The worldwide growth of the PV market has been almost exponential during the last years. Together with conventional crystalline (c-Si) PV modules, “new” commercially available PV technologies such as copper indium ... -
Analysis of polyamide and fluoropolymer backsheets: Degradation and insulation failure in field-aged photovoltaic modules
Pascual Miqueleiz, Julio María ; García Solano, Miguel ; Marcos Álvarez, Javier ; Marroyo Palomo, Luis (John Wiley & Sons, 2022)
Artículo / Artikulua
Durability of photovoltaic (PV) modules is of great concern not only from the point of view of cost-effectiveness but also from the point of view of safety and sustainability. The backsheet of a PV module is one of the ... -
Analytical design methodology for Litz-wired high-frequency power transformers
Barrios Rípodas, Ernesto ; Ursúa Rubio, Alfredo ; Marroyo Palomo, Luis ; Sanchis Gúrpide, Pablo (IEEE, 2015)
Artículo / Artikulua
In the last quarter of a century, high-frequency (HF) transformer design has been one of the major concerns to power electronics designers in order to increase converter power densities and efficiencies. Conventional design ... -
Boost DC-AC inverter: a new control strategy
Sanchis Gúrpide, Pablo ; Ursúa Rubio, Alfredo ; Gubía Villabona, Eugenio ; Marroyo Palomo, Luis (IEEE, 2005)
Artículo / Artikulua
Boost dc–ac inverter naturally generates in a single stage an ac voltage whose peak value can be lower or greater than the dc input voltage. The main drawback of this structure deals with its control. Boost inverter ... -
A comparative study of degradation and performance of thin film photovoltaic generators versus a multi-crystalline generator
Parra Laita, Íñigo de la ; García Solano, Miguel ; Marcos Álvarez, Javier ; Marroyo Palomo, Luis (2013)
Contribución a congreso / Biltzarrerako ekarpena
Thin film solar cells (TFSC) are supposed to have higher energy yield rates than crystalline silicon (Si-x) mainly possible by some enhancements like lower temperature coefficient and higher absorption of diffuse light. ... -
Comparison of linear and and small-signal models for inverter-based microgrids
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2014)
Contribución a congreso / Biltzarrerako ekarpena
Frequency and voltage regulation in droop-based microgrids is generally modeled using small-signal analysis. In order to ensure accuracy, existing models do not decouple real and reactive power responses. However, the ... -
Compensation of forecast error in large PV plants with battery storage: associated strategies
Marcos Álvarez, Javier ; Parra Laita, Íñigo de la ; Muñoz Escribano, Mikel ; García Solano, Miguel ; Marroyo Palomo, Luis (2017)
Contribución a congreso / Biltzarrerako ekarpena
As penetration rates of utility-scale photovoltaics (PV) increases, large PV plants will participate in the daily wholesale electricity market in the same way that wind farms. Then, PV plant owner can receive some kind of ... -
Conductance-frequency droop control to ensure transient stability of inverter-based stand-alone microgrids
Erdocia Zabala, Ioseba; Urtasun Erburu, Andoni ; Marroyo Palomo, Luis (Elsevier, 2023)
Artículo / Artikulua
Currently, inverter-based stand-alone microgrids are gaining interest due to the advantages of obtaining energy from renewable sources. To manage the operation, these microgrids include storage systems connected in ... -
Control of a photovoltaic array interfacing current-mode-controlled boost converter based on virtual impedance emulation
Urtasun Erburu, Andoni ; Samanes Pascual, Javier ; Barrios Rípodas, Ernesto ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2019)
Artículo / Artikulua
Due to the nonlinear characteristics of a photovoltaic (PV) array, its regulation is highly dependent on the operating point. Focusing on a dc-dc boost converter, this paper first shows how the PV voltage and inductor ... -
Control strategies to smooth short-term power fluctuations in large photovoltaic plants using battery storage systems
Marcos Álvarez, Javier ; Parra Laita, Íñigo de la ; García Solano, Miguel ; Marroyo Palomo, Luis (MDPI, 2014)
Artículo / Artikulua
The variations in irradiance produced by changes in cloud cover can cause rapid fluctuations in the power generated by large photovoltaic (PV) plants. As the PV power share in the grid increases, such fluctuations may ... -
Control strategy for an integrated photovoltaic-battery system
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2017)
Contribución a congreso / Biltzarrerako ekarpena
In photovoltaic-battery systems, more attention is usually paid to the MPPT control while the battery management is put aside. This paper proposes two control strategies for an integrated PV-battery system, both of them ... -
DC capacitance reduction in photovoltaic inverters based on PV voltage feed-forward compensation
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2021)
Contribución a congreso / Biltzarrerako ekarpena
In the case of photovoltaic (PV) inverters, an adequate input voltage regulation is fundamental to maximize or limit the power. When employing the traditional control, the input capacitance requires to be oversized in order ... -
DC capacitance reduction in three-phase photovoltaic inverters by using virtual impedance emulation
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
DC voltage regulation in grid-connected three-phase PV inverters is a fundamental requirement. In order to reduce the influence of the PV non-linear behavior and ensure stability in the whole operating range, the input ... -
Design methodology for the frequency shift method of islanding prevention and analysis of its detection capability
Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis ; Coloma, Javier (Wiley, 2005)
Artículo / Artikulua
Islanding protection is one of the most important sources of discrepancy in gridconnected photovoltaic systems. Even when islanding is not very likely to happen, regulations demand the photovoltaic inverters to implement ... -
Dual voltage-current control to provide grid-forming inverters with current limiting capability
Erdocia Zabala, Ioseba; Urtasun Erburu, Andoni ; Marroyo Palomo, Luis (IEEE, 2021)
Artículo / Artikulua
The rapid uptake of renewable energy sources is causing synchronous generators (SG) to be replaced by power electronic inverters meaning these inverters need to offer the characteristics traditionally associated with SG. ... -
Economic analysis of residential PV self-consumption systems with Li-ion batteries under different billing scenarios
Galilea Gil, Carlos; Pascual Miqueleiz, Julio María ; Berrueta Irigoyen, Alberto ; Ursúa Rubio, Alfredo ; Marroyo Palomo, Luis (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
In this paper, an economic analysis for four houses with a PV self-consumption system with and without Li-ion batteries is carried out. In particular three different ways of sizing PV and batteries are analyzed under three ... -
Effect of the inner current loop on the voltage regulation for three-phase photovoltaic inverters
Urtasun Erburu, Andoni ; Sanchis Gúrpide, Pablo ; Marroyo Palomo, Luis (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In three-phase grid-connected PV inverters, regulating the input voltage is a fundamental requirement. In order to reduce the influence of the PV non-linear behavior and ensure stability in the whole operating range, the ... -
Electronic controlled device for the analysis and design of photovoltaic systems
Sanchis Gúrpide, Pablo ; López Taberna, Jesús ; Ursúa Rubio, Alfredo ; Marroyo Palomo, Luis (IEEE, 2005)
Artículo / Artikulua
The characterization and design of photovoltaic systems is a difficult issue due to the variable operation atmospheric conditions. With this aim, simulators and measurement equipments have been proposed. However, most of ...
