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Resynchronization strategy for a 200kVA grid- forming power converter
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
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Accés restringit per política de l'editorial
Comunicació de congrés.
Accés restringit per política de l'editorial
During the years, grid connected operation in power systems has been the key factor for renewable energy resource to be able to exchange energy to the electrical grid. However, with the increase of small power systems and ...
Voltage sensorless control scheme based on extended-state estimator for a grid-connected inverter
(Institute of Electrical and Electronics Engineers (IEEE), 2020-06)
Article.
Accés obert
Article.
Accés obert
This article presents a robust voltage sensorless control scheme to eliminate the need of line-voltage sensors in an LCL-filtered grid-connected inverter system. The proposed control scheme is based on an extended-state ...
Quadrature voltage compensation in the isolated multi-modular converter
(2021-02-01)
Article.
Accés obert
Article.
Accés obert
Series connections of modules in cascaded multilevel converters are prone to power imbalances due to voltage differences on their DC side. When modules are connected to direct current (DC) sources, such as photovoltaic ...
Novel analytical method for dynamic design of renewable SSG SPC unit to mitigate low-frequency electromechanical oscillations
(Institute of Electrical and Electronics Engineers (IEEE), 2020-07)
Article.
Accés obert
Article.
Accés obert
Grid operators require grid connected RGUs to provide specific dynamic features. RGUs must support dynamic performance of grid and operate in such a way to ward off new issues in grid. Recently, unfavorable oscillatory ...
Multi-rotor virtual machine for grid-forming converter to damp sub-synchronous resonances
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Article.
Accés obert
Article.
Accés obert
Grid-forming power converters (GFMC) have been widely adopted in power systems as an attractive solution against the challenges imposed by the ever-increasing penetration of renewables. Despite its versatility, GFMC is ...
Grid-forming controller based on virtual admittance for power converters working in weak grids
(Institute of Electrical and Electronics Engineers (IEEE), 2023-07)
Article.
Accés obert
Article.
Accés obert
The high penetration of distributed energy resources, based on power electronics, is giving rise to stability issues in the electrical network, as initially those plants were not required to provide either voltage or ...
Influence of the ICFF decoupling technique on the stability of the current control loop of a grid-tied VSC
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés.
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Text en actes de congrés.
Accés obert
The control scheme of grid-tied converters is often implemented in the dq-frame due to simplicity of design. However, with this transformation, there exists an inherent cross-coupling term between the d-and q-channels which ...
Grid-forming power converters tuned through artificial intelligence to damp subsynchronous interactions in electrical grids
(Institute of Electrical and Electronics Engineers (IEEE), 2020-05-18)
Article.
Accés obert
Article.
Accés obert
The integration of non-synchronous generation units and energy storage through power electronics is introducing new challenges in power system dynamics. Specifically, the rotor angle stability has been identified as one ...
AI-based damping of electromechanical oscillations by using grid-connected converter
(2021-03-05)
Article.
Accés obert
Article.
Accés obert
The proliferation of grid-connected converter interfaced energy sources in Smart Grids, enhance sustainability and efficiency as well as minimizing power losses and costs. However, concerns arise regarding the stability ...
Design of controller for virtual synchronous power plant
(2021-01-01)
Article.
Accés obert
Article.
Accés obert
The increasing participation of renewables in power systems has forced system operators to strengthen grid codes requiring renewable power plants (RPPs) to provide fast frequency support such as inertia response and power ...