Browsing by Author "Camacho Santiago, Antonio"
Now showing items 1-20 of 59
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A distributed control for accurate active-power sharing in islanded microgrids subject to clock drifts
(2021-01-28)
Article
Open AccessInverters-based islanded microgrids are operated by local digital signal processors, driven by their own local clocks. These local clocks have drifts affecting the clock signals which are used to control the inverters in ... -
A flexible experimental laboratory for distributed generation networks based on power inverters
(2017-10-13)
Article
Open AccessIn the recently deregulated electricity market, distributed generation based on renewable sources is becoming more and more relevant. In this area, two main distributed scenarios are focusing the attention of recent research: ... -
Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults
(Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
Article
Open AccessDistributed generation inverters have become a key element to improve grid efficiency and reliability, particularly during grid faults. Under these severe perturbations, inverter-based power sources should accomplish ... -
Active damping control for a three phase grid-connected inverter using sliding mode control
(2013)
Conference report
Restricted access - publisher's policyThis paper proposes a ne w active damping method based on virtual resistors for three-phase grid connected voltage source inverters (VSI) with LCL filter. The use of this filters is a standard solution to provide the ... -
Active power sharing and frequency regulation in droop-free control for islanded microgrids under electrical and communication failures
(Institute of Electrical and Electronics Engineers (IEEE), 2020-08-01)
Article
Open AccessThe droop-free control for ac microgrids achieves active power sharing and frequency regulation by replacing the centralized secondary control and the primary-level droop mechanism by a cooperative distributed control ... -
Adaptive slope voltage control for distributed generation inverters with improved transient performance
(2019-04-09)
Article
Open AccessReactive power injection in distributed generation inverters is an useful ancillary service for grid supporting purposes. For grid-feeding converters, the slope control method is the most common voltage regulation strategy ... -
Analysis of consensus-based islanded microgrids subject to unexpected electrical and communication partitions
(Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
Article
Open AccessMicrogrids are power systems consisting of an electrical network composed by distributed loads and generation units that may include a communication network for improved operation. The considered microgrid in islanded mode ... -
Análisis, diseño e implementación de sistemas de control en red mediante un uso eficiente del ancho de banda
(Universitat Politècnica de Catalunya, 2009-12)
Master thesis (pre-Bologna period)
Open AccessExiste una tendencia creciente a interconectar sistemas a través de redes en las que se intercambia información. La conexión en red permite aumentar las funcionalidades y mejorar las prestaciones del sistema. Desde hace ... -
Avoiding overvoltage problems in three-phase distributed-generation systems during unbalanced voltage sags
(2020-02-01)
Article
Open AccessDuring voltage sags, distributed generation systems must fulfil specific grid-code requirements for reactive current injection. This ancillary service can produce overvoltage problems in networks operating in unbalanced ... -
Collaborative voltage unbalance elimination in grid-connected AC microgrids with grid-feeding inverters
(Institute of Electrical and Electronics Engineers (IEEE), 2021-06-01)
Article
Open AccessThe control flexibility of the power inverters that interface distributed generation can be exploited to incorporate power quality enhancement features in addition to the usual power management control. This article presents ... -
Communication-aware consensus for frequency restoration in islanded microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Conference report
Restricted access - publisher's policyMicroGrids (MGs) include spatially distributed generation (DG) systems and loads that may require operating autonomously in islanded mode. The operation of islanded MGs can benefit from consensus theory and practice, ... -
Consensus for active power sharing and frequency restoration in islanded microgrids subject to drifting clocks
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThe application of consensus theory in the control of islanded microgrids (MG) is gaining increased attention because it facilitates the development of distributed control solutions. In particular, its application to active ... -
Control scheme for photovoltaic three-phase inverters to minimize peak currents during unbalanced grid-voltage sags
(2012)
Article
Restricted access - publisher's policyNowadays, the majority of the photovoltaic (PV) power sources are connected to the public grid. One of the main connection problems occurs when voltage sags appear in the grid due to short circuits, lightning, etc. ... -
Control strategies based on effective power factor for distributed generation power plants during unbalanced grid voltage
(2013)
Conference report
Restricted access - publisher's policyUnbalanced voltages in three-phase power systems is a common perturbation propagated along the grid. Distributed Generation plants have gained widespread attention due to their capability to improve power quality in a ... -
Control strategy for distribution generation inverters to maximize the voltage support in the lowest phase during voltage sags
(Institute of Electrical and Electronics Engineers (IEEE), 2017-08-07)
Article
Open AccessIEEE Voltage sags are considered one of the worst perturbations in power systems. Distributed generation power facilities are allowed to disconnect from the grid during grid faults whenever the voltage is below a certain ... -
Coordinated reactive power control for static synchronous compensators under unbalanced voltage sags
(2012)
Conference report
Restricted access - publisher's policyUnbalanced voltage sags strongly deteriorate the performance of power converters and electrical machines connected to the distribution network. In particular, a reduction of the power quality is noticed in these equipments, ... -
Decoupled simultaneous complex power sharing and voltage regulation in islanded AC microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2023-04)
Article
Restricted access - publisher's policyIn 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 ... -
Design of an embedded control system laboratory experiment
(2010-02-08)
Article
Open Access -
Design of an embedded control system laboratory experiment
(IEEE Press. Institute of Electrical and Electronics Engineers, 2010-10-01)
Article
Restricted access - publisher's policyThis paper presents a prototype laboratory experiment to be integrated in the education of embedded control system engineers. The experiment, a real-time control of a dynamical system, is designed to drive students to a ... -
Distributed reactive power control methods to avoid voltage rise in grid-connected photovoltaic power generation systems
(2013)
Conference report
Restricted access - publisher's policyA high density of grid-connected photovoltaic (PV) power generation systems is expected to occur in urban areas. The connection of distributed generation (DG) may cause serious problems in the distribution system such ...
