Browsing by Author "507130dfa2fdcfe1a23eb5cb269d4ea9"
Now showing items 1-19 of 19
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Analytical Modeling Approach to Study Harmonic Mitigation in AC Grids with Active Impedance at Selective Frequencies
Abad Biain, 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 ... -
Comparative small-signal evaluation of advanced grid-forming control techniques
Unamuno, Eneko; Barrena, Jon Andoni (Elsevier B.V., 2022)This paper presents the small-signal modelling and analysis of the most recent grid-forming control techniques, namely the matching control (MC) and the dispatchable virtual oscillator (dVOC). These are compared to more ... -
Droop control operation strategy for advanced DC converter-based electrical railway power supply systems for high-speed lines
Unamuno, Eneko; Barrena, Jon Andoni (Elsevier Ltd., 2022)Advanced DC converter-based electrical railway power supply systems are very promising power supply configurations for the electrification of high-speed lines. Their full controllable converter-based traction substations ... -
Dual Inertia-Emulation Control for Interlinking Converters in Grid-Tying Applications
Paniagua Amillano, Julen; Unamuno, Eneko; Barrena, Jon Andoni (IEEE, 2021)Electric grids are undergoing several changes, mostly driven by the replacement of classical highly-inertial generators by converter-interfaced generation and storage systems. This entails the reduction of inherent inertia ... -
A Dynamic Frequency-and-Voltage Power Flow Simulation Tool for Hybrid AC/DC Power Systems based on Simulink
Paniagua Amillano, Julen; gezala, haitz; Unamuno, Eneko; Barrena, Jon Andoni (IEEE, 2022)A more renewable energy generation model entails the replacement of synchronous generator-based power plants by converter-interfaced renewable sources, resulting in more susceptible power systems in terms of frequency and ... -
Equivalence of primary control strategies for AC and DC microgrids
Unamuno, Eneko; Barrena, Jon Andoni (MDPI, 2017)Microgrid frequency and voltage regulation is a challenging task, as classical generators with rotational inertia are usually replaced by converter-interfaced systems that inherently do not provide any inertial response. ... -
Evaluation of the frequency response of AC transmission based offshore wind farms
Abad Biain, Gonzalo; Barrena, Jon Andoni (InTech Europe, 2011) -
Experimental test bench for testing DC microgrid control strategies
Paniagua Amillano, Julen; Unamuno, Eneko; Barrena, Jon Andoni (IEEE, 2017)During the last decades the number of microgrids and their research have increased notably, as they offer a high versatility for the integration of distributed generation (DG) units and renewable energies. Among the different ... -
Hybrid AC/DC microgrid mode-adaptive controls
Unamuno, Eneko; Barrena, Jon Andoni (InTech, 2017)The lack of inertial response at microgrids is usually compensated by configuring primary controllers of converter‐interfaced devices to contribute in the transient response under power disturbances. The main purpose of ... -
Hybrid ac/dc microgrids. Part I : Review and classification of topologies
Unamuno, Eneko; Barrena, Jon Andoni (Elsevier, 2015)Microgrids have been widely studied in the literature as a possible approach for the integration of distributed energy sources with energy storage systems in the electric network. Until now the most used configuration has ... -
Hybrid ac/dc microgrids. Part II : Review and classification of control strategies
Unamuno, Eneko; Barrena, Jon Andoni (Elsevier, 2015)Microgrids are envisioned as one of the most suitable alternatives for the integration of distributed generation units in the utility grid, as they efficiently combine generation, energy storage and loads in the same ... -
Impedance-Based Stability Evaluation of Virtual Synchronous Machine Implementations in Converter Controllers
Unamuno, Eneko; Barrena, Jon Andoni (IEEE, 2018)This paper presents a stability evaluation of two Virtual Synchronous Machine (VSM) implementations in the control of Voltage Source Converters (VSCs): a current-controlled (CCVSM) and a voltage-controlled (VCVSM) version ... -
Medium-Voltage AC Static Switch Solution to Feed Neutral Section in a High-Speed Railway System
Canales, Jose Maria; Aizpuru, Iosu; IRAOLA, UNAI; Barrena, Jon Andoni; Barrenetxea, Manex (MDPI AG, 2018) -
Power Balancing in Cascaded H-Bridge and Modular Multilevel Converters Under Unbalanced Operation: A Review
Marzo Elguero, Iosu; Barrena, Jon Andoni; Abad Biain, 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 ... -
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 Biain, 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 ... -
Reactive Power Limits of Single-Phase and Three-Phase DC-Link VSC STATCOMs under Negative-Sequence Voltage and Current
Marzo Elguero, Iosu; Barrena, Jon Andoni; Abad Biain, Gonzalo (IEEE, 2021)This paper analyzes and compares the reactive power limits of single- and three-phase configured dc-link Voltage Source Converter (VSC) structures for Static Synchronous Compensator (STATCOM) to operate with negative-sequence ... -
Second-order Filter-based Inertia Emulation (SOFIE) for Low Inertia Power Systems
Unamuno, Eneko; Barrena, Jon Andoni (IEEE, 2024)The massive integration of power electronic converters into the power grid has led to a decrease in the mechanical inertia of power systems, causing an increase in the rate of change of frequency (RoCoF) that may lead to ... -
Stability tool for electric power systems with a high penetration of electronic power converters
Serrano Jimenez, Daniel; Unamuno, Eneko; Barrena, Jon Andoni (Elsevier B.V., 2022)The increasing use of electronic converters is making possible the development of more sustainable, efficient, and reliable electric power systems, but it is also introducing new challenges that need to be addressed. Power ... -
Zero-sequence controller requirements and comparison for a delta-CHB STATCOM under unbalanced operation
Marzo Elguero, Iosu; Abad Biain, 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 ...
