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Vanadium redox flow batteries real-time State of Charge and State of Health estimation under electrolyte imbalance condition
(Elsevier, 2023-09-15)
Article.
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Article.
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This paper presents a novel observer architecture capable to estimate online the concentrations of the four vanadium species present in a vanadium redox flow battery (VRFB). The proposed architecture comprises three main ...
Decoupled simultaneous complex power sharing and voltage regulation in islanded AC microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2023-04)
Article.
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Article.
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In islanded AC microgrids, when multiple voltage source inverters (VSIs) operate in parallel, it is challenging to simultaneously obtain both accurate complex (active and reactive) power sharing and voltage regulation (in ...
Automated chlorine dosage in a simulated drinking water treatment plant: a real case study
(Multidisciplinary Digital Publishing Institute, 2020-06-11)
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Article.
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In this paper, we present a simulator of a drinking water treatment plant. The model of the plant was based in hydraulic and matter transportation models. In order to not introduce more inaccuracies in the simulation, the ...
Voltage H8 control of a vanadium redox flow battery
(2020-09-24)
Article.
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Article.
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Redox flow batteries are one of the most relevant emerging large-scale energy storage technologies. Developing control methods for them is an open research topic; optimizing their operation is the main objective to be ...
Nonlinear observer for online concentration estimation in vanadium flow batteries based on half-cell voltage measurements
(Elsevier, 2024-06)
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Article.
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This paper presents a nonlinear observer to estimate the active species concentrations in vanadium flow batteries. To conduct the estimation, the observer relies only on current, flow rate and two half-cell voltage ...
Remote multi-nodal voltage unbalance compensation in islanded AC microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2024-03)
Article.
Accés restringit per política de l'editorial
Article.
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Microgrids (MG) are exposed to voltage quality deterioration due to the presence of voltage unbalance. To deal with this problem, existing solutions based on Distributed Generation (DG) units interfaced by power electronics ...
Analysis of the zero dynamics of three-phase current source inverters using a complex-valued approach
(2023)
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Text en actes de congrés.
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This paper analyzes the zero dynamics of three-phase current source inverters fed from a voltage source and connected to a local resistive load or the electrical power grid. The zero dynamics is the remaining dynamics of ...