Zerrendatu Artikuluak-Ingeniaritza honen arabera: egilea "fe5405ff8f4f0246cef4d912db192070"
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Analysis and Design Guidelines for Current Control Loops of Grid-Connected Converters Based on Mathematical Models
Abad, Gonzalo; Milikua, Aritz (MDPI AG, 2020)Having a method for analyzing and designing regulators of controls that contain many current loops such as active filters is not a trivial task. There can be many parameters of regulators and filters that must be carefully ... -
Analytical Modeling Approach to Study Harmonic Mitigation in AC Grids with Active Impedance at Selective Frequencies
Abad, Gonzalo; Barrena, Jon Andoni (MDPI AG, 2018)This paper presents an analytical model, oriented to study harmonic mitigation aspects in AC grids. As it is well known, the presence of non-desired harmonics in AC grids can be palliated in several manners. However, in ... -
Control of PWM rectifier under grid voltage dips
Abad, Gonzalo (PAN, 2009)This paper investigates control structure for grid connected three-phase two-level Voltage Source Converter (VSC) under distorted grid voltage conditions. Grid voltage is distorted by balanced and unbalanced voltage dips ... -
Current References Limitation Method Considering Voltage and Current Maximums for STATCOMs Providing Simultaneously Reactive Power and Current Harmonics
Abad, Gonzalo; Unamuno, Eneko (IEEE, 2022)This article focuses the analysis on a static synchronous compensator (STATCOM) that operates simultaneously providing reactive power and several current harmonics of different frequencies (active power filter or active ... -
Design of a Solid-State Circuit Breaker for a DC Grid-Based Vessel Power System
Tapia, Lukas; Baraia-Etxaburu, Igor; Abad, Gonzalo (MDPI, 2019)Electric propulsion and integrated hybrid power systems can improve the energy efficiency and fuel consumption of different kinds of vessels. If the vessel power system is based on DC grid distribution, some benefits ... -
Design Space Analysis of the Dual-Active-Bridge Converter for More Electric Aircraft
Abad, Gonzalo (MDPI, 2022)In the literature, different DC/DC power electronic converters (PECs) have been found to interconnect high-voltage DC and low-voltage DC grids in the electric power distribution networks of aircraft. In this scenario, the ... -
Electric Technology in Wind Turbines from a Dialectic Perspective
Abad, Gonzalo; Milikua, Aritz; Baraia-Etxaburu, Igor (Philosophy Documentation Center, 2019)Wind turbines have been used by many groups of humans for many centu-ries. Wind turbines have allowed groups of humans to perform many different tasks in the past (grinding grain, pumping water, etc.). However, ... -
Experimental characterization of the Ayanz vertical axis windmill in mini wind applications and contributions in the simplification of the associated electronics
Agirre, Aitor; Costa Pérez de Iriarte, Juan José; Ezkurdia, Mikel; gezala, haitz; Askasibar Laboa, Orkatz; AGIRRE, XABIER; CABEZUELO ROMERO, DAVID; Abad, Gonzalo (Dyna, 2023)Within the current energy revolution, wind energy is playing an increasing role. However, small-scale generation technologies, such as mini-wind turbines, are less developed. In this paper, firstly, the feasibility of the ... -
Experimental comparative study between MPPT, hybrid P&O and fuzzy control for a small wind turbine application
Muguruza Fernández de Valderrama, Ignacio; Mola Sanz, Eneko; GALLO TORRES, MARLON MIGUEL; Ugartemendia Iturrizar, Aitzol; Abad, Gonzalo; CABEZUELO ROMERO, DAVID (Federacion de Asociaciones de Ingenieros Industriales de Espana, 2021)This study focuses on a comparison between different maximum power extraction controls for a small wind turbine application. In this case, a vertical axis wind turbine (VAWT) coupled to a permanent magnet synchronous ... -
Frequency-Dependent Pi Model of a Three-Core Submarine Cable for Time and Frequency Domain Analysis
Ruiz, Carlos; Abad, Gonzalo (MDPI AG, 2018-10-16)In this paper, a Frequency-Dependent Pi Model (FDPi) of a three-core submarine cable is presented. The model is intended to be used for the representation of submarine cables in an Offshore Wind Power Plant (OWPP) scenario ... -
Low-Cost Maximum Power Point Tracking Strategy and Protection Circuit Applied to an Ayanz Wind Turbine with Screw Blades
Arzuaga Corrales, Aitor; Estivariz Sanchez, Asier; Fernández Mateos, Oihan; Gubia Espina, Kristian; Plaza Lafuente, Ander; CABEZUELO ROMERO, DAVID; Abad, Gonzalo (MDPI, 2023)This paper provides three different research contributions applied to a Wind Turbine patented in 1606 by the inventor Jerónimo de Ayanz y Beaumont. The windmill under study is the Ayanz Wind Turbine with screw blades. The ... -
Medium voltage-high power converter topologies comparison procedure for a 6.6kV Drive Application using 4.5kV IGBT Modules
Abad, Gonzalo; Mazuela, Mikel; Baraia-Etxaburu, Igor; Sanchez-Ruiz, Alain (IEEE, 2012)This paper presents a general comparison procedure for medium voltage - high power multilevel converter topologies and semiconductors, which is mainly based on analyzing the performance limits of the converters output ... -
Performance Evaluation of Small Wind Turbines Under Variable Winds of Cities: Case Study Applied to an Ayanz Wind Turbine with Screw Blades
Abad, Gonzalo; Plaza Lafuente, Ander; Kerejeta Luengo, Gorka (MDPI, 2024)Small wind turbines placed at city locations are affected by variable-speed winds that frequently change direction. Architectural constructions, buildings of different heights and abrupt orography of Cities make the winds ... -
Power Balancing in Cascaded H-Bridge and Modular Multilevel Converters Under Unbalanced Operation: A Review
Marzo Elguero, Iosu; Barrena, Jon Andoni; Abad, Gonzalo; Muguruza Fernández de Valderrama, Ignacio (IEEE, 2021)Multilevel Voltage-Source Converters (VSC) based on modular structures are envisioned as a prominent alternative for grid and industry applications. Foremost among these are the Cascaded H-Bridge (CHB) and the Modular ... -
Power-Electronic-Based DC Distribution Systems for Electrically Propelled Vessels: A multivariable Modeling Approach for Design and Analysis
Alacano, Argiñe; Abad, Gonzalo (IEEE, 2017)The benefits of using power-electronic-based dc distribution systems in electrically propelled vessels are well known. However, some aspects must be deeply analyzed to guarantee a safe, robust, and stable system by design. ... -
Reactive power limits of Cascaded H-Bridge STATCOMs in star and delta configuration under negative-sequence current withstanding
Marzo Elguero, Iosu; Barrena, Jon Andoni; Abad, Gonzalo (Elsevier Ltd., 2022)Flexible AC Transmission System devices (FATCS) and in particular Static Synchronous Compensators (STATCOM) play a key role in the evolution of the modern power grids to the future smart grids. The STATCOM is used in an ... -
State of the art of small wind energy analysing different controls
Abad, Gonzalo; CABEZUELO ROMERO, DAVID (Dyna, 2022)Existen dos topologías de aerogeneradores según el eje de giro: eje horizontal, "Horizontal Axis Wind turbines" (HAWT) y de eje vertical, "Vertical Axis Wind Turbines" (VAWT) [2]. Las turbinas HAWT son empleadas para ... -
Wind Turbine Oriented Solutions to Improve Power Quality and Harmonic Compliance of AC Offshore Wind Power Plants
Ruiz Miguel, Carlos; Abad, Gonzalo (IEEE, 2021)The operation of offshore wind power plants with respect to power quality and grid code compliance must be verified for different conditions in the design phase using harmonic analysis methods. This paper addresses this ... -
Zero-sequence controller requirements and comparison for a delta-CHB STATCOM under unbalanced operation
Marzo Elguero, Iosu; Abad, Gonzalo; Costa Pérez de Iriarte, Juan José; Barrena, Jon Andoni (Elsevier, 2024)Delta-configured Cascaded H-Bridge (DCHB) topology is a suitable alternative for Static Synchronous Compensator (STATCOM) applications. However, under unbalanced voltage and/or current conditions, zero-sequence current ...
