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Adaptive Positive-Negative Inertia-Emulation Control for Grid-Connected and Interlinking Converters
Paniagua Amillano, Julen; Iraeta Ayerbe, Itsaso; Unamuno, Eneko; Barrena, Jon Andoni; Ceballos, Salvador (IEEE, 2025)The contribution of virtual inertia through grid-connected converters is essential to tackle the stability issues that arise from the substitution of traditional synchronous generators by converter-interfaced systems. In ... -
Auto elektrikoen baterien etorkizuna
IRAOLA, UNAI; Aizpuru, Iosu; Unamuno, Eneko (ETB - Elhuyar, 2025-03-22)Unai Iraolak hamarkada eta erdi darama bateriak gertutik ikertzen; hain zuzen ere, potentzia handiko aplikazioetan litio-ioizko baterien optimizazio elektrokimikoaren erabilerari buruz egin zuen bere doktore-tesia Mondragon ... -
Comparative Analysis of Second Order and First Order Filter-Based Inertia Emulation Control for Low-Inertia Power Systems
Aragón Sotelo, Diego Alexis; Unamuno, Eneko; Ceballos, Salvador; Barrena, Jon Andoni (IEEE, 2025)This article makes a comparative analysis between the classic first-order filter-based inertia emulation method and the more recent second-order filter-based approach, which manages to emulate the electrodynamic behaviour ... -
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 ... -
Control and stability of Ac/Dc microgrids
Unamuno, Eneko (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2017)The current society is facing several challenges related to the field of energy, such as the high dependency on fossil fuels, the constant increment in the energy consumption and the environmental problems caused by these ... -
Control methods and stability analysis of electricity networks strongly dominated by power electronic converters
Aragón Sotelo, Diego Alexis (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2023)Contemporary society faces significant energy challenges due to the accumulation of greenhouse gases in the atmosphere. This scenario has been driven mainly by the use of fossil fuels for energy generation, population ... -
Control of interlinking converters for hybrid AC/DC power systems
Paniagua Amillano, Julen (Mondragon Unibertsitatea. Goi Eskola Politeknikoa, 2023)Electrical power plays a very important role in today’s society, but the necessity to reduce the greenhouse gas emissions requires to shift the classical fossil fuel-based power generation towards a renewable based model. ... -
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 ... -
Development and Comparison of Rule- and Machine Learning-Based EMS for HESS Providing Grid Services
Unamuno, Eneko; CABEZUELO ROMERO, DAVID (IEEE, 2024)In this paper, a smart machine-learning-based energy management system (MLBEMS) is developed for a hybrid energy storage system (HESS). This HBESS consists of batteries with high-energy (HE) and high-power (HP) characteristics, ... -
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 Rodero, 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. ... -
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 ... -
An Interoperable EMS for the Provision of Grid Services with Hybrid Energy Storage Systems
Unamuno, Eneko; CABEZUELO ROMERO, DAVID; Galarza-Ibarrondo, Josu (IEEE, 2022)This paper proposes an interoperable energy management system (EMS) for grid-connected HESSs, enabling the provision of ancillary services to the grid. Power systems are evolving towards a more renewable and decentralised ... -
Itzalaldia
Barrena, Jon Andoni; Unamuno, Eneko (ETB - Elhuyar, 2022-01-22)Austriako gobernuak ziurtzat ematen du, Txinan bezala, Europan ere itzalaldi masiboak gertatuko direla, eta herritarrei gomendatu die ‘15 eguneko kanpaldi baterako bezala’ prestatzeko. Kezka hori buruan, Mondragon ...
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