Browsing by Author "Matas Alcalá, José"
Now showing items 1-20 of 48
-
A comprehensive model for the design of a microgrid under regulatory constraints using synthetical data generation and stochastic optimization
Alonso Travesset, Alexandre; Hoz Casas, Jordi de la; Martín Cañadas, María Elena; Coronas Herrero, Sergio; Salas Prat, Josep Maria (Pep); Matas Alcalá, José (2020-10-26)
Article
Open AccessAs renewable energy installation costs decrease and environmentally-friendly policies are progressively applied in many countries, distributed generation has emerged as the new archetype of energy generation and distribution. ... -
A distributed real-time power management scheme for shipboard zonal multi-microgrid system
Xie, Peilin; Tan, Sen; Bazmohammadi, Najmeh; Guerrero, Josep Maria; Vasquez, Juan Carlos; Matas Alcalá, José; El Mariachet Carreño, Jorge (2022-07-01)
Article
Open AccessThe increasing demands of reducing fuel consumption for marine transportation have motivated the use of high fuel efficiency power plants and the development of power management systems (PMS). Current studies on shipboard ... -
A family of gradient descent grid frequency estimators for the SOGI filter
Matas Alcalá, José; Martín Cañadas, María Elena; Hoz Casas, Jordi de la; Abusorrah, A.; Al-Turki, Y.A.; Al-Hindawi, M. (2017-09-04)
Article
Restricted access - publisher's policyThis paper applies the adaptive gradient descent method to the second-order generalized integrator (SOGI) filter in order to find an online estimation algorithm for the grid frequency, which leads to the proposal of three ... -
A new "doctor and patient" optimization algorithm: An application to energy commitment problem
Dehghani, Mohammad; Mardaneh, Mohammad; Guerrero, Josep M.; Parkash Malik, Om; Ramírez Mendoza, Ricardo A.; Matas Alcalá, José; Vasquez Quintero, Juan Carlos (MDPI, 2020-08-21)
Article
Open AccessRegular assessments of events taking place around the globe can be a conduit for the development of new ideas, contributing to the research world. In this study, the authors present a new optimization algorithm named doctor ... -
A new LPF-based grid frequency estimation for the SOGI filter with improved harmonic rejection
Matas Alcalá, José; Martín Cañadas, María Elena; El Mariachet Carreño, Jordi; Abusorrah, A.; Al-Turki, Y.A. (2018)
Conference lecture
Open AccessThis paper proposes a new method for the estimation of the grid voltage frequency using a low-pass filter (LPF) approach. The estimated frequency is used to tune a second order generalized integrator (SOGI) filter commonly ... -
A new THD measurement method with small computational burden using a SOGI-FLL grid monitoring system
Matas Alcalá, José; Martín Cañadas, María Elena; Hoz Casas, Jordi de la; Abusorrah, A.; Al-Turki, Y.A.; Alshaeikh, Hamed (Institute of Electrical and Electronics Engineers (IEEE), 2020-06-01)
Article
Open AccessThis article proposes a new method for obtaining the total harmonic distortion (THD) using few math operations, a low-pass filter (LPF), and a grid monitoring system able to provide the fundamental and harmonics components ... -
A power calculation algorithm for single-phase droop-operated-inverters considering linear and nonlinear loads HIL-assessed
El Mariachet Carreño, Jorge; Matas Alcalá, José; Martín Cañadas, María Elena; Li, Mingshen; Guan, Yajuan; Guerrero, Josep M. (2019-11-01)
Article
Open AccessThe active and reactive powers, P and Q, are crucial variables in the parallel operation of single-phase inverters using the droop method, introducing proportional droops in the inverter output frequency and voltage amplitude ... -
Active damping control for a three phase grid-connected inverter using sliding mode control
Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume (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 ... -
Advanced synchronization control for inverters parallel operation in microgrids using coupled Hopf oscillators
Li, Mingshen; Matas Alcalá, José; Guerrero, Josep M.; Vasquez Quintero, Juan Carlos (2020-09)
Article
Open AccessA simple high-performance decentralized controller based on Hopf oscillator is proposed for three-phase parallel voltage source inverter (VSI) in islanded Microgrid. In aß frame, the oscillators equations corresponding ... -
An adaptive prefiltering method to improve the speed/accuracy tradeoff of voltage sequence detection methods under adverse grid conditions
Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2013-07-23)
Article
Restricted access - publisher's policyThis paper deals with the improvement of the transient response and harmonic, subharmonic, and dc-offset voltage rejection capability of a grid voltage sequence detection scheme based on a second-order generalized integrator ... -
Analysis of the net metering schemes for PV self-consumption in Denmark
Martín Cañadas, María Elena; Hoz Casas, Jordi de la; Aliana, Arnau; Coronas Herrero, Sergio; Matas Alcalá, José (2021-04-03)
Article
Open AccessThe current Danish regulatory framework BEK 999/2016 for hourly net settled new PV facilities is analysed in detail, evaluating the technical and economic differences between the several envisioned schemes. In addition to ... -
Assessing the 2014 retroactive regulatory framework applied to the concentrating solar power systems in Spain
Hoz Casas, Jordi de la; Martín Cañadas, María Elena; Montalà Palau, Montserrat; Matas Alcalá, José; Guzmán Solà, Ramon (2018-02-15)
Article
Open AccessThe RD 413/2014 new economic and regulatory framework applied to the concentrating solar power plants (CSPP) in Spain has been here analysed and its new remuneration scheme has been formulated, becoming evident its high ... -
Assessment of the Royal Decree 244/2019 in the Spanish Electrical Regulatory Framework considering power quality issues related to harmonic distortion associated to nonlinear loads in grid-connected microgrids
El Mariachet Carreño, Jorge; Matas Alcalá, José; Martín Cañadas, María Elena; Anzúrez, Juan; Tinoco, Gerardo; Luna, Israel; Abdalinejad, S. (2020-06)
Article
Open Access -
Control design for multiphase synchronous buck converters based on exact constant resistive output impedance
Borrell Sanz, Angel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013-11)
Article
Restricted access - publisher's policyThis paper describes a control design methodology based on output impedance analysis for multiphase synchronous buck converters. This design leads to an optimal output voltage transient response. Two design alternatives ... -
Control scheme for photovoltaic three-phase inverters to minimize peak currents during unbalanced grid-voltage sags
Miret Tomàs, Jaume; Castilla Fernández, Miguel; Camacho Santiago, Antonio; García de Vicuña Muñoz de la Nava, José Luis; Matas Alcalá, José (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
Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; Guzmán Solà, Ramon; de Sousa Pérez, Óscar; Martí Colom, Pau; García de Vicuña Muñoz de la Nava, José Luis (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 to maximize the power capability of PV three-phase inverters during voltage sags
Sosa, Jorge Luis; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; Al-Turki, Y.A. (2016-04-01)
Article
Open AccessUnder voltage sags, grid-tied photovoltaic inverters should remain connected to the grid according to low-voltage ride-through requirements. During such perturbations, it is interesting to exploit completely the distributed ... -
Coordinated reactive power control for static synchronous compensators under unbalanced voltage sags
Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Matas Alcalá, José; Alarcón Gallo, Eduardo; García de Vicuña Muñoz de la Nava, José Luis (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, ... -
Design and analysis of the droop control method for parallel inverters considering the impact of the complex impedance on the power sharing
Yao, W.; Chen, Min; Matas Alcalá, José; Guerrero Zapata, Josep Maria; Qian, Z.-M. (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-02)
Article
Restricted access - publisher's policyThis paper investigates the characteristics of the active and reactive power sharing in a parallel inverters system under different system impedance conditions. The analyses conclude that the conventional droop method ... -
Design of an analog quasi-steady-state nonlinear current-mode controller for single-phase active power filter
Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Matas Alcalá, José; Guerrero Zapata, Josep Maria (2009-12)
Article
Open AccessThe injection of sinusoidal current to an electrical grid is nowadays possible with the use of active power filters (APFs).With quasi-steady-state (QSS) nonlinear controllers, these power filters provide low ...