Browsing by Author "Castilla Fernández, Miguel"
Now showing items 1-20 of 70
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A communication-less control scheme for a variable air-gap wireless energy transfer system using current source resonant converter
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThis 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 ... -
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 ... -
Adaptive sliding-mode control for a multiple-user inductive power transfer system without need for communication
(IEEE Press. Institute of Electrical and Electronics Engineers, 2012-09-06)
Article
Restricted access - publisher's policyA 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
(2019-04-09)
Article
Restricted access - publisher's policyReactive 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 ... -
An adaptive prefiltering method to improve the speed/accuracy tradeoff of voltage sequence detection methods under adverse grid conditions
(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, design and implementation of a DC/DC boost resonant-inductor converter with sliding-mode control
(2018-03-20)
Article
Open AccessModern 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
(2017-06-30)
Article
Open AccessThis 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 ... -
Analysis of the effect of clock drifts on frequency regulation and power sharing in inverter-based islanded microgrids
(2018-02-12)
Article
Open AccessLocal 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 ... -
A novel robust sliding mode controller for Half-bridge converter
(2010)
Conference lecture
Open AccessThis 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 ... -
Architecture and design of an inductive contactless energy transfer system with two mobile loads for residential applications
(2015)
Conference lecture
Restricted access - publisher's policyInductive 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 ... -
Circuits electrònics bàsics : problemes resolts
(Edicions UPC, 1998)
Book
Restricted access to the UPC academic communityAquest 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, ... -
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, ... -
Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids
(2016-03-01)
Article
Open AccessThe increasing installation of photovoltaic panels in low-voltage grids causes an over voltage problem, especially during high production and low consumption periods. Generally the over voltage problem is overcome by ... -
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 design for multiphase synchronous buck converters based on exact constant resistive output impedance
(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 method for wireless inductive energy transfer systems with relatively large air gap
(IEEE Press. Institute of Electrical and Electronics Engineers, 2013)
Article
Restricted access - publisher's policyRecent improvements in semiconductor technology make efficient switching possible at higher frequencies, which benefits the application of wireless inductive energy transfer. However, a higher frequency does not alter ... -
Control scheme for a multiple-output DC/DC current source parallel resonant converter
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThe aim of this paper is to regulate the output voltages of a multiple-output DC/DC class-D current source parallel resonant converter. To this end, a sliding mode control scheme is presented consisting of an outer voltage ... -
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 ...
