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Listar por autor "Alfonso Gil, José Carlos"

Mostrando ítems 1-12 de 12

"Aportaciones a la mejora de los sistemas de control electrónico aplicados en la generación minieólica aislada mediante la utilización de técnicas de almacenamiento energético"

Twizere Bakunda, Jackson Daudet (Universitat Politècnica de València, 2018-09-10)

Una instalación de generación minieólica aislada permite realizar un suministro energético de baja potencia a partir de la energía capturada del viento, mediante una turbina y un generador eléctrico. Sin embargo, la ...
Aportaciones a la mejora de los sistemas híbridos de generación y optimización de la calidad del suministro a partir de generadores mini eólicos. Aplicación a sistemas monofásicos

Martínez Navarro, Germán (Universitat Politècnica de València, 2016-03-07)

[EN] The present PhD work falls in the field the power quality and stability improvement applied in single phase electrical grids as microgrids and small smart grids. Distributed integration of different energy sources, ...
Contribución a la mejora de los sistemas de medida basados en el IEEE Std 1459-2000

Alfonso Gil, José Carlos (Universitat Politècnica de València, 2010-05-27)

La presente tesis doctoral abarca el área de los sistemas de medida de la potencia eléctrica basados en la teoría de la potencia eléctrica definida por el IEEE Std. 1459-2000, en sistemas trifásicos a cuatro hilos. Se ...
Discussion on useless active and reactive powers contained in the IEEE standard 1459

Orts-Grau, Salvador; Muñoz Galeano, Nicolás; Alfonso Gil, José Carlos; Gimeno Sales, Francisco José; Segui-Chilet, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2011-04)

This paper deals with the useless active powers and the reactive powers included in the unbalance power (SU1 , and in the nonfundamental effective apparent power (SeN defined in IEEE Standard 1459. Only the fundamental ...
Enhanced Grid Fundamental Positive-Sequence Digital Synchronization Structure

Alfonso Gil, José Carlos; Vague Cardona, José Joaquín; Orts-Grau, Salvador; Gimeno Sales, Francisco José; Segui-Chilet, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2013-01)

The second-order generalized integrator (SOGI) filter and delayed signal cancellation (DSC) structures have been used separately in order to improve the synchronization systems response in adverse grid conditions. Taking ...
Instantaneous approach to IEEE Std. 1459 power terms and quality indices

Muñoz-Galeano, Nicolás; Alfonso Gil, José Carlos; Orts-Grau, Salvador; Segui-Chilet, Salvador; Gimeno Sales, Francisco José (Elsevier, 2015-08)

Based on an instantaneous analysis approach to the IEEE Std. 1459, the authors demonstrated in previous works that the effective apparent power should not be calculated including the rms neutral current and the rms line ...
Meaningful resolution of the IEEE Std. 1459 unbalanced power

Orts-Grau, Salvador; Muñoz Galeano, Nicolás; Alfonso Gil, José Carlos; Segui-Chilet, Salvador; Gimeno Sales, Francisco José (Institute of Electrical and Electronics Engineers (IEEE), 2011-08)

This letter present a new resolution of the IEEE Std. 1459 unbalanced power (SU1). The resolution is intended to achieve a better quantification of the power terms included in SU1. The new definitions improve the quantification ...
Measurement system for a power quality improvement structure based on IEEE Std.1459

Alfonso Gil, José Carlos; Orts-Grau, Salvador; Muñoz Galeano, Nicolás; Gimeno Sales, Francisco José; Segui-Chilet, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2013-12)

[EN] This paper presents an IEEE Std. 1459 power magnitude measurement system working as a part of a power quality improvement structure. It is intended to enhance the performance of selective shunt active power compensators ...
Non-fundamental effective apparent powerdefined through an instantaneous power approach

Muñoz Galeano, Nicolás; Alfonso Gil, José Carlos; Orts-Grau, Salvador; Segui-Chilet, Salvador; Gimeno Sales, Francisco José (Elsevier, 2011-12)

This paper proposes a new definition of non-fundamental effective apparent power based on an analysis of instantaneous power flows. This new instantaneous power approach for the calculation of the non-fundamental effective ...
One-Cycle Zero-Integral-Error Current Control for Shunt Active Power Filters

Orts-Grau, Salvador; Balaguer-Herrero, Pedro; Alfonso-Gil, Jose Carlos; Martínez-Márquez, Camilo I.; Gimeno Sales, Francisco José; Segui-Chilet, Salvador (MDPI AG, 2020-12)

[EN] Current control has, for decades, been one of the more challenging research fields in the development of power converters. Simple and robust nonlinear methods like hysteresis or sigma-delta controllers have been ...
Switching Pattern Improvement for One-Cycle Zero-Integral-Error Current Controller

Orts-Grau, Salvador; Balaguer-Herrero, P.; Alfonso-Gil, J. Carlos; Martínez-Márquez, Camilo I.; Martínez-Navarro, G.; Gimeno Sales, Francisco José; Segui-Chilet, Salvador (Institute of Electrical and Electronics Engineers, 2022)

[EN] The one-cycle current control is a non-linear technique based on the cycle-by-cycle calculation of the ON time of the power converter switches. Its application is not common in tracking fast-changing reference currents, ...
Two-Scale Model Predictive Control for Resource Optimization Problems With Switched Decisions

Balaguer-Herrero, Pedro; Alfonso-Gil, José Carlos; Martínez-Márquez, Camilo Itzame; Martínez-Navarro, German; Orts-Grau, Salvador; Segui-Chilet, Salvador (Institute of Electrical and Electronics Engineers, 2022)

[EN] Model predictive control (MPC) is widely used in resource optimization problems because it naturally deals with bounded controls and states and allows predictive information to be included. However, at each sampling ...