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Detection of abnormal operation of PV inverters based on regressive prediction models with recursive least squares training
(Institute of Electrical and Electronics Engineers (IEEE), 2024-01-01)
Article
Accés obertThe large scale integration of photovoltaic (PV) power plants has launched the massive deployment of PV inverters. In fact, just a single multi-MW PV plant may have thousands of them, which can be also found isolated in ... -
Control of a three-phase active transformer integrating energy storage
(2023-06-12)
Article
Accés obertThe high penetration of distributed energy sources is changing the paradigm of electrical networks control and management. Nowadays, power conversion systems associated to green energy plants are not only required to deliver ... -
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 obertThe 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 ... -
External inertia emulation controller for grid-following power converter
(2021)
Article
Accés obertThe advent of renewable energy has posed difficulties in the operation of power systems whose net inertia is becoming critically low. To face such challenges, grid-forming power has been one of the potential solutions ... -
Multi-rotor virtual machine for grid-forming converter to damp sub-synchronous resonances
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Article
Accés obertGrid-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 ... -
Enhanced performance controller for high power wind converters connected to weak grids
(2020-04-02)
Article
Accés obertThis study proposes a control scheme for high power grid-connected wind power converters, which is oriented to enhance their performance when connected to weak grids with low short circuit ratio. The proposed controller ... -
Design of controller for virtual synchronous power plant
(2021-01-01)
Article
Accés obertThe 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 ... -
Quadrature voltage compensation in the isolated multi-modular converter
(2021-02-01)
Article
Accés obertSeries 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 ... -
Control and validation of a reinforced power conversion system for upcoming bioelectrochemical power to gas stations
(2021-06-18)
Article
Accés obertThis paper presents a proposal for potential bioelectrochemical power to gas stations. It consists of a two-level voltage source converter interfacing the electrical grid on the AC side and an electromethanogenesis based ... -
AI-based damping of electromechanical oscillations by using grid-connected converter
(2021-03-05)
Article
Accés obertThe 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 ... -
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 obertThis 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 ... -
Active power limiter for static synchronous generators in renewable applications
(Institute of Electrical and Electronics Engineers (IEEE), 2020-08-28)
Article
Accés obertVirtual Synchronous Generators (VSGs) are an interesting control approach for the connection of renewable energies to the electrical grid through power converters. These power devices have shown their ability to enable ...
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