Exploració per autor "Castilla Fernández, Miguel"
Ara es mostren els items 1-20 de 130
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A communication-less control scheme for a variable air-gap wireless energy transfer system using current source resonant converter
Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel; Rey López, Juan Manuel; Torres Martínez, Javier; Garnica López, Miguel Andrés (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a robust control method for wireless energy transfer systems using current source resonant converter without any communication network. The proposed control strategy is valid even for systems with ... -
A distributed control for accurate active-power sharing in islanded microgrids subject to clock drifts
Alfaro Aragón, Carlos Arturo; Castilla Fernández, Miguel; Camacho Santiago, Antonio; Martí Colom, Pau; Velasco García, Manel (2021-01-28)
Article
Accés obertInverters-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 novel electricity price forecasting approach based on dimension reduction strategy and rough artificial neural networks
Jahangir, Hamidreza; Tayarani, Hanif; Baghali, Sina; Ahmadian, Ali; Elkamel, Ali; Golkar, Masoud Aliakbar; Castilla Fernández, Miguel (2020-04-01)
Article
Accés obertAn accurate electricity price forecasting (EPF) plays a vital role in the deregulated energy markets and has a specific effect on optimal management of the power system. Considering all the potent factors in determining ... -
A novel robust sliding mode controller for Half-bridge converter
Hang, Lijun; Liu, Sensen; Lu, Zhengyu; Castilla Fernández, Miguel (2010)
Comunicació de congrés
Accés obertThis paper proposes one novel sliding mode controller for the Half-bridge converter to reduce the line and load disturbance. Based on the bilinear model of the Half-bridge DC/DC converter, the small signal model and the ... -
Active and reactive power strategies with peak current limitation for distributed generation inverters during unbalanced grid faults
Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Borrell Sanz, Angel; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2015-03-01)
Article
Accés obertDistributed 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
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)
Text en actes de congrés
Accés restringit per política de l'editorialThis 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
Rosero Chandi, Carlos Xavier; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-01)
Article
Accés obertThe 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 sliding-mode control for a multiple-user inductive power transfer system without need for communication
Van Der Pijl, Frank F. A; Castilla Fernández, Miguel; Bauer, Pavol T. (IEEE Press. Institute of Electrical and Electronics Engineers, 2012-09-06)
Article
Accés restringit per política de l'editorialA complicating aspect in the control design of resonant inductive power transfer systems is the absence of a direct communication link between primary and (multiple) secondary system sides. This paper introduces a new ... -
Adaptive slope voltage control for distributed generation inverters with improved transient performance
Rey López, Juan Manuel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Guzmán Solà, Ramon (2019-04-09)
Article
Accés obertReactive 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 ... -
Aggregated economic analysis of the brazilian electricity distribution companies using a regulated market economic model
Cortez, Carolina; Bonatto, Benedito Donizeti; Arango, Héctor; Castilla Fernández, Miguel (Springer, 2020-03-29)
Article
Accés obertWhile most of the research work in the field of electrical engineering was aroused by the scientific challenges to be overcome, it is fair to recognize that the practical importance of engineering hinges on its economic ... -
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
Accés restringit per política de l'editorialThis 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 ... -
An experimental approach for secondary consensus control tuning for inverter-based islanded microgrids
de Doile, Gabriel Nasser Doyle; Balestrassi, Pedro Paulo; Castilla Fernández, Miguel; Zambroni de Souza, Antonio Carlos; Miret Tomàs, Jaume (2023-01-03)
Article
Accés obertA microgrid is a group of interconnected loads and distributed energy resources that can fill the gap between the dependence on a bulk power grid and the transition to renewable energies. The islanded mode presents itself ... -
Analysis of consensus-based islanded microgrids subject to unexpected electrical and communication partitions
Rosero Chandi, Carlos Xavier; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
Article
Accés obertMicrogrids 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 ... -
Analysis of the effect of clock drifts on frequency regulation and power sharing in inverter-based islanded microgrids
Martí Colom, Pau; Torres Martínez, Javier; Rosero Chandi, Carlos Xavier; Velasco García, Manel; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2018-02-12)
Article
Accés obertLocal hardware clocks in physically distributed computation devices hardly ever agree because clocks drift apart and the drift can be different for each device. This paper analyses the effect that local clock drifts have ... -
Analysis, design and implementation of a DC/DC boost resonant-inductor converter with sliding-mode control
Moradi Ghahderijani, Mohammad; Castilla Fernández, Miguel; Momeneh, Arash; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2018-03-20)
Article
Accés obertModern DC-DC resonant converters are normally build around a voltage-source series-resonant converter. This study aims to facilitate the practical use of current-source parallel-resonant converters due to their outstanding ... -
Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps
Momeneh, Arash; Castilla Fernández, Miguel; Moradi Ghahderijani, Mohammad; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2017-06-30)
Article
Accés obertThis study presents the analysis, design and implementation of a simple and cost-effective residential inductive contactless energy transfer system with multiple mobile clamps. The topology is based on the cascaded connection ... -
Architecture and design of an inductive contactless energy transfer system with two mobile loads for residential applications
Momeneh, Arash; Castilla Fernández, Miguel; van der Pijl, Fredrik F.A.; Guzmán Solà, Ramon; Morales López, Javier (2015)
Comunicació de congrés
Accés restringit per política de l'editorialInductive contactless energy transfer systems with multiple mobile loads are very complex systems. Main challenges of these systems are to propose a suitable architecture and to design their power components. These ... -
Avoiding overvoltage problems in three-phase distributed-generation systems during unbalanced voltage sags
Castilla Fernández, Miguel; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (2020-02-01)
Article
Accés obertDuring 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 ... -
Circuits electrònics bàsics : problemes resolts
Sánchez García, Antonio Francisco; Castilla Fernández, Miguel; Gayà Suñer, Pedro Francisco (Edicions UPC, 1998)
Llibre
Accés restringit a la comunitat UPCAquest llibre presenta una col·lecció de problemes resolts sobre circuits limitadors, circuits rectificadors, circuits reguladors amb zener, circuits de polarització de transistors, circuits d'amplificadors amb un transistor, ... -
Collaborative voltage unbalance compensation in islanded AC microgrids with grid-forming inverters
Borrell Sanz, Angel; Velasco García, Manel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2022-04-25)
Article
Accés obertThe presence of unbalanced loads in power systems creates voltage imbalances that perturb the operation of sensitive loads like induction motors, power electronics converters and adjustable speed drives. This paper presents ...