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Mr. Javier Ballestín-Fuertes
Fundación CIRCE

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0 Power electronic
0 Power electronic control
0 power electronic systems
0 Power electronics applications
0 Power electronics and power systems

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Journal article
Published: 12 July 2021 in Energies
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In low-voltage grids with a wide spread of domestic and/or small commercial consumers, mostly single-phase, problems can appear due to unbalanced power consumption between the different phases. These problems are mainly caused due to voltage unbalances between phases and the increase in distribution losses. This phenomenon occurs more frequently at the end of highly radial grids and can be stressed by the installation of renewable generators next to the consumers. Amongst the various techniques that have been proposed to solve this problem, this article explores the use of a D-STATCOM, presenting and testing a new method for the optimal location of this type of D-FACT. The developed method starts from a detailed analysis of the existing voltage unbalances in a distribution network and identifies the optimal location of the D-STATCOM (i.e., the one that reduces these unbalances while reducing energy losses). The developed method has been successfully tested for one year at four real European locations with different characteristics and different kinds of users.

ACS Style

Gregorio Fernández; Alejandro Martínez; Noemí Galán; Javier Ballestín-Fuertes; Jesús Muñoz-Cruzado-Alba; Pablo López; Simon Stukelj; Eleni Daridou; Alessio Rezzonico; Dimosthenis Ioannidis. Optimal D-STATCOM Placement Tool for Low Voltage Grids. Energies 2021, 14, 4212 .

AMA Style

Gregorio Fernández, Alejandro Martínez, Noemí Galán, Javier Ballestín-Fuertes, Jesús Muñoz-Cruzado-Alba, Pablo López, Simon Stukelj, Eleni Daridou, Alessio Rezzonico, Dimosthenis Ioannidis. Optimal D-STATCOM Placement Tool for Low Voltage Grids. Energies. 2021; 14 (14):4212.

Chicago/Turabian Style

Gregorio Fernández; Alejandro Martínez; Noemí Galán; Javier Ballestín-Fuertes; Jesús Muñoz-Cruzado-Alba; Pablo López; Simon Stukelj; Eleni Daridou; Alessio Rezzonico; Dimosthenis Ioannidis. 2021. "Optimal D-STATCOM Placement Tool for Low Voltage Grids." Energies 14, no. 14: 4212.

Journal article
Published: 28 May 2021 in Sustainability
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There are many different types of energy storage systems (ESS) available and the functionality that they can provide is extensive. However, each of these solutions come with their own set of drawbacks. The acid-base flow battery (ABFB) technology aims to provide a route to a cheap, clean and safe ESS by means of providing a new kind of energy storage technology based on reversible dissociation of water via bipolar electrodialysis. First, the main characteristics of the ABFB technology are described briefly to highlight its main advantages and drawbacks and define the most-competitive use-case scenarios in which the technology could be applied, as well as analyze the particular characteristics which must be considered in the process of designing the power converter to be used for the interface with the electrical network. As a result, based on the use-cases defined, the ESS main specifications are going to be identified, pointing out the best power converter configuration alternatives. Finally, an application example is presented, showing an installation in the electrical network of Pantelleria (Italy) where a real pilot-scale prototype has been installed.

ACS Style

Jesús Muñoz-Cruzado-Alba; Rossano Musca; Javier Ballestín-Fuertes; José Sanz-Osorio; David Rivas-Ascaso; Michael Jones; Angelo Catania; Emil Goosen. Power Grid Integration and Use-Case Study of Acid-Base Flow Battery Technology. Sustainability 2021, 13, 6089 .

AMA Style

Jesús Muñoz-Cruzado-Alba, Rossano Musca, Javier Ballestín-Fuertes, José Sanz-Osorio, David Rivas-Ascaso, Michael Jones, Angelo Catania, Emil Goosen. Power Grid Integration and Use-Case Study of Acid-Base Flow Battery Technology. Sustainability. 2021; 13 (11):6089.

Chicago/Turabian Style

Jesús Muñoz-Cruzado-Alba; Rossano Musca; Javier Ballestín-Fuertes; José Sanz-Osorio; David Rivas-Ascaso; Michael Jones; Angelo Catania; Emil Goosen. 2021. "Power Grid Integration and Use-Case Study of Acid-Base Flow Battery Technology." Sustainability 13, no. 11: 6089.

Journal article
Published: 13 March 2021 in Electronics
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At present, the energy transition is leading to the replacement of large thermal power plants by distributed renewable generation and the introduction of different assets. Consequently, a massive deployment of power electronics is expected. A particular case will be the devices destined for urban environments and smart grids. Indeed, such applications have some features that make wide bandgap (WBG) materials particularly relevant. This paper analyzes the most important features expected by future smart applications from which the characteristics that their power semiconductors must perform can be deduced. Following, not only the characteristics and theoretical limits of wide bandgap materials already available on the market (SiC and GaN) have been analyzed, but also those currently being researched as promising future alternatives (Ga2O3, AlN, etc.). Finally, wide bandgap materials are compared under the needs determined by the smart applications, determining the best suited to them. We conclude that, although SiC and GaN are currently the only WBG materials available on the semiconductor portfolio, they may be displaced by others such as Ga2O3 in the near future.

ACS Style

Javier Ballestín-Fuertes; Jesús Muñoz-Cruzado-Alba; José Sanz-Osorio; Erika Laporta-Puyal. Role of Wide Bandgap Materials in Power Electronics for Smart Grids Applications. Electronics 2021, 10, 677 .

AMA Style

Javier Ballestín-Fuertes, Jesús Muñoz-Cruzado-Alba, José Sanz-Osorio, Erika Laporta-Puyal. Role of Wide Bandgap Materials in Power Electronics for Smart Grids Applications. Electronics. 2021; 10 (6):677.

Chicago/Turabian Style

Javier Ballestín-Fuertes; Jesús Muñoz-Cruzado-Alba; José Sanz-Osorio; Erika Laporta-Puyal. 2021. "Role of Wide Bandgap Materials in Power Electronics for Smart Grids Applications." Electronics 10, no. 6: 677.

Journal article
Published: 06 August 2020 in Sensors
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Newly installed renewable power capacity has been increasing incredibly in recent years. For example, in 2018, 181 GW were installed worldwide. In this scenario, in which photovoltaic (PV) energy plays a leading role, it is essential for main players involved in PV plants to be able to identify the failure modes in PV modules in order to reduce investment risk, to focus their maintenance efforts on preventing those failures and to improve longevity and performance of PV plants. Among the different systems for defects detection, conventional infrared thermography (IRT) is the fastest and least expensive technique. It can be applied in illumination and in dark conditions, both indoor and outdoor. These two methods can provide complementary results for the same kind of defects, which is analyzed and characterized in this research. Novel investigation in PV systems propose the use of a power inverter with bidirectional power flow capability for PV plants maintenance, which extremely facilitates the electroluminescence (EL) inspections, as well as the outdoor IRT in the fourth quadrant.

ACS Style

Sara Gallardo-Saavedra; Luis Hernández-Callejo; María Del Carmen Alonso-García; Jesús Muñoz-Cruzado-Alba; Javier Ballestín-Fuertes. Infrared Thermography for the Detection and Characterization of Photovoltaic Defects: Comparison Between Illumination and Dark Conditions. Sensors 2020, 20, 4395 .

AMA Style

Sara Gallardo-Saavedra, Luis Hernández-Callejo, María Del Carmen Alonso-García, Jesús Muñoz-Cruzado-Alba, Javier Ballestín-Fuertes. Infrared Thermography for the Detection and Characterization of Photovoltaic Defects: Comparison Between Illumination and Dark Conditions. Sensors. 2020; 20 (16):4395.

Chicago/Turabian Style

Sara Gallardo-Saavedra; Luis Hernández-Callejo; María Del Carmen Alonso-García; Jesús Muñoz-Cruzado-Alba; Javier Ballestín-Fuertes. 2020. "Infrared Thermography for the Detection and Characterization of Photovoltaic Defects: Comparison Between Illumination and Dark Conditions." Sensors 20, no. 16: 4395.

Journal article
Published: 28 April 2020 in Applied Sciences
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Nowadays, photovoltaic (PV) silicon plants dominate the growth in renewable energies generation. Utility-scale photovoltaic plants (USPVPs) have increased exponentially in size and power in the last decade and, therefore, it is crucial to develop optimum maintenance techniques. One of the most promising maintenance techniques is the study of electroluminescence (EL) images as a complement of infrared thermography (IRT) analysis. However, its high cost has prevented its use regularly up to date. This paper proposes a maintenance methodology to perform on-site EL inspections as efficiently as possible. First, current USPVP characteristics and the requirements to apply EL on them are studied. Next, an increase over the automation level by means of adding automatic elements in the current PV plant design is studied. The new elements and their configuration are explained, and a control strategy for applying this technique on large photovoltaic plants is developed. With the aim of getting on-site EL images on a real plant, a PV inverter has been developed to validate the proposed methodology on a small-scale solar plant. Both the electrical parameters measured during the tests and the images taken have been analysed. Finally, the implementation cost of the solution has been calculated and optimised. The results conclude the technical viability to perform on-site EL inspections on PV plants without the need to measure and analyse the panel defects out of the PV installation.

ACS Style

Javier Ballestín-Fuertes; Jesús Muñoz-Cruzado-Alba; José F. Sanz-Osorio; Luis Hernández-Callejo; Victor Alonso-Gómez; José Ignacio Morales-Aragones; Sara Gallardo-Saavedra; Oscar Martínez-Sacristan; Ángel Moretón-Fernández. Novel Utility-Scale Photovoltaic Plant Electroluminescence Maintenance Technique by Means of Bidirectional Power Inverter Controller. Applied Sciences 2020, 10, 3084 .

AMA Style

Javier Ballestín-Fuertes, Jesús Muñoz-Cruzado-Alba, José F. Sanz-Osorio, Luis Hernández-Callejo, Victor Alonso-Gómez, José Ignacio Morales-Aragones, Sara Gallardo-Saavedra, Oscar Martínez-Sacristan, Ángel Moretón-Fernández. Novel Utility-Scale Photovoltaic Plant Electroluminescence Maintenance Technique by Means of Bidirectional Power Inverter Controller. Applied Sciences. 2020; 10 (9):3084.

Chicago/Turabian Style

Javier Ballestín-Fuertes; Jesús Muñoz-Cruzado-Alba; José F. Sanz-Osorio; Luis Hernández-Callejo; Victor Alonso-Gómez; José Ignacio Morales-Aragones; Sara Gallardo-Saavedra; Oscar Martínez-Sacristan; Ángel Moretón-Fernández. 2020. "Novel Utility-Scale Photovoltaic Plant Electroluminescence Maintenance Technique by Means of Bidirectional Power Inverter Controller." Applied Sciences 10, no. 9: 3084.