Exploració per tema "Voltage regulators"
Ara es mostren els items 35-54 de 57
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Negative-sequence voltage elimination for distributed generators in grid-feeding operation mode
(2020-07-24)
Article
Accés obertA major concern of the power quality in distributed systems is related to the mitigation of voltage imbalances. This function can be implemented directly in the control system of the distributed generation power converters ... -
On single-input dual-output (SIDO) DC/DC multi-port converters for DC microgrid applications
(2023-07-01)
Article
Accés obertThis paper proposes the use of linear-assisted switching power converters in the context of single-inductor dual-output (SIDO) for microgrids (MG) applications. By combining a DC/DC ripple-controlled switching power converter ... -
On single-input dual-output (SIDO) DC/DC multi-port converters for DC microgrid applications
(AEDERMACP (European Association for the Development of Renewable Energies and Power Quality), 2023)
Comunicació de congrés
Accés obertThis paper proposes the use of linear-assisted switching power converters in the context of single-inductor dual-output (SIDO) for microgrids (MG) applications. By combining a DC/DC ripple-controlled switching power converter ... -
Optimizing voltage support using electric vehicles in an islanded microgrid under voltage sags
(2022)
Text en actes de congrés
Accés restringit per política de l'editorialThe number of electric vehicles connected to the grid is growing constantly due to environmental and regulatory issues. Using these connected vehicles as distributed generators is a promising future functionality, known ... -
Pairing grid-forming VSC filter topologies with voltage control structures
(Elsevier, 2024-01)
Article
Accés obertThis paper focuses on the voltage control of grid-forming Voltage Source Converters (VSCs) connected to AC networks. The work aims to identify the best pairing between voltage control structures and usual ac filter topologies. ... -
Parameter-independent battery control based on series and parallel impedance emulation
(Institute of Electrical and Electronics Engineers (IEEE), 2019-05-29)
Article
Accés obertAppropriate voltage control is essential in order to extend the useful life of a battery. However, when universal chargers are used, the design of this control becomes more complicated, given the fact that the battery ... -
Performance analysis of frequency restoration for parallel voltage source inverters connected with a realistic communication channel
(2015)
Comunicació de congrés
Accés restringit per política de l'editorialA topic of interest within the microgrid (MG) community is to achieve accurate sharing of active and reactive power among voltage source inverters (VSI) working in parallel while keeping the voltage frequency and amplitude ... -
Posicast control: a novel approach to mitigate multi-machine power system oscillations in presence of wind farm
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, application of Posicast control method to generator excitation system is presented. The method is one of the simplest possible control design methods that can be applied to damp the oscillations caused by ... -
Positive sequence voltage control, full negative sequence cancellation and current limitation for static compensators
(Institute of Electrical and Electronics Engineers (IEEE), 2021-12)
Article
Accés obertThis paper presents a control scheme in the stationary reference frame for Static Synchronous Compensators that provides three features: 1) regulation of the positive sequence voltage to the nominal value, 2) full cancellation ... -
Prospects of voltage regulators for next generation computer microprocessors
(Universitat Politècnica de Catalunya, 2010-06-18)
Tesi
Accés obertSynchronous buck converter based multiphase architectures are evaluated to determine whether or not the most widespread voltage regulator topology can meet the power delivery requirements of next generation computer m ... -
Reactive current injection protocol for low-power rating distributed generation sources under voltage sags
(2015-06-01)
Article
Accés obertVoltage sags are one of the main problems in transmission and distribution networks. This study proposes a voltage support control scheme for grid-connected low-power rating inverters under voltage sags. Voltage support ... -
Reactive power control for distributed generation power plants to comply with voltage limits during grid faults
(2014-01-20)
Article
Accés obertGrid faults are one of the most severe problems for network operation. Distributed generation power plants can help to mitigate the adverse effects of these perturbations by injecting reactive power during the sag and the ... -
Reactive power control for loss minimization in low-voltage distributed generation systems
(2016)
Text en actes de congrés
Accés restringit per política de l'editorialDispersed small distributed generation (DG) systems in low-voltage (LV) grids pose diverse challenges for successful grid operation. The main one is to guarantee power quality by ensuring that voltages along all the feeders ... -
Selective harmonic-compensation control for single-phase active power filter with high harmonic rejection
(2009-08-11)
Article
Accés obertThis paper presents a linear current control scheme for single-phase active power filters. The approach is based on an outer voltage loop, an inner current loop, and a resonant selective harmonic compensator. The design ... -
Simple low-cost hysteretic controller for multiphase synchronous buck converters
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011-06)
Article
Accés restringit per política de l'editorialThis paper presents a novel hysteretic controller for a multiphase synchronous buck converter supplying low voltage, high current, and high slew-rate loads. The control scheme implements the main control functions for ... -
SOGI-FLL error-and-hold algorithm for improving the response in face of voltage sags and swells with a small computational burden
(Elsevier, 2023-11-01)
Article
Accés obertThe Second Order Generalized Integrator–Frequency Locked Loop (SOGI-FLL) is a widely used and popular adaptive filter for estimating grid voltage parameters with minimal computational burden. However, it is vulnerable to ... -
The use of output-capacitorless class-AB CMOS low-dropout regulator for power management
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Comunicació de congrés
Accés obert -
Voltage quality improvement of microgrids under islanding mode
(IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Text en actes de congrés
Accés obertThis paper proposes a control strategy to reduce the voltage unbalance in microgrids. The voltage unbalance compensation is achieved by injection of a proper negativesequence current into the microgrid. This task can ... -
Voltage regulation with power curtailment in a single-phase grid-connected PV inverter
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialThis work presents the design guidelines of a control for direct regulation of the voltage amplitude at the connection point of a single-phase grid-connected PV inverter. The parameters of the control are designed for ... -
Voltage sag mitigation in a PV-based industrial microgrid during grid faults
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialThe growing interests in industrial microgrid and its high power rating, have made it as a good candidate for voltage support purposes. The aim of this paper is to present a reactive current injection control strategy for ...
