Listar por autor UPNA "495--0000-0002-8344-8374"
Mostrando ítems 21-40 de 57
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Electronic controlled device for the analysis and design of photovoltaic systems
The characterization and design of photovoltaic systems is a difficult issue due to the variable operation atmospheric conditions. With this aim, simulators and measurement equipments have been proposed. However, most of ... -
Energy management for an electro-thermal renewable based residential microgrid with energy balance forecasting and demand side management
This paper proposes an energy management strategy for a residential microgrid comprising photovoltaic (PV) panels, a small wind turbine and solar thermal collectors. The microgrid can control the power exchanged with the ... -
Energy management strategy for a battery-diesel stand-alone system with distributed PV generation based on grid frequency modulation
A hybrid PV-Battery-Diesel configuration is very attractive for stand-alone systems in terms of cost and reliability. In many applications, the battery and the diesel generator are centralized and generate the AC grid while ... -
An energy management system design using fuzzy logic control: smoothing the grid power profile of a residential electro-thermal microgrid
This work deals with the design of a Fuzzy Logic Control (FLC) based Energy Management System (EMS) for smoothing the grid power prole of a grid-connected electro-thermal microgrid. The case study aims to design an Energy ... -
Enhancement of the voltage control response in three-phase photovoltaic inverters with small dc capacitors
In the case of photovoltaic (PV) inverters, an adequate dc voltage regulation is fundamental to maximize or limit the power injected into the grid. However, the traditional control requires a large dc capacitance to ensure ... -
Estrategias avanzadas de gestión energética basadas en predicción para microrredes electrotérmicas
El primer objetivo concreto de la tesis consiste en estudiar los perfiles de potencia de los diferentes elementos de la microrred y su interacción, ya sea directa, en el caso de flujos de potencia confluyentes, o indirecta, ... -
Estrategias de control para inversores fotovoltaicos de gran potencia en redes muy débiles
La energía fotovoltaica ha experimentado un gran crecimiento en el mundo en los ultimos años, motivado principalmente por el descenso de su precio durante la ultima década. Esta reducción de costes ha hecho que se convierta ... -
Estructuras de conversión para sistemas fotovoltaicos de alta potencia
Dentro de las grandes plantas fotovoltaicas, el inversor es un elemento crítico y debe ayudar a reducir el coste de la misma. Los inversores de alta potencia utilizados utilizan tres tipos de arquitecturas de conversión: ... -
Frequency-based energy management strategy for stand-alone systems with distributed battery storage
Distributed generation is an attractive solution for stand-alone AC supply systems. In such systems, the installation of two or more energy-storage units is recommended for system redundancy and may also be required when ... -
Fuzzy logic-based energy management system design for residential grid-connected microgrids
This paper presents the design of a low complexity fuzzy logic controller of only 25-rules to be embedded in an energy management system for a residential grid-connected microgrid including renewable energy sources and ... -
Fuzzy-based energy management of a residential electro-thermal microgrid based on power forecasting
In this paper, an energy management strategy based on microgrid power forecasting is applied to a residential grid-connected electro-thermal microgrid with the aim of smoothing the power profile exchanged with the grid. ... -
High frequency power transformers with foil windings: maximum interleaving and optimal design
Foil conductors and primary and secondary interleaving are normally used to minimize winding losses in high frequency transformers used for high-current power applications. However, winding interleaving complicates the ... -
Implementation and control of a residential electrothermal microgrid based on renewable energies, a hybrid storage system and demand side management
This paper proposes an energy management strategy for a residential electrothermal microgrid, based on renewable energy sources. While grid connected, it makes use of a hybrid electrothermal storage system, formed by a ... -
Influence of control in cycling degradation when batteries perform PV ramp-rate control
This work studies the importance of the correct selection of control parameters in order to avoid unnecessary cycling in batteries when they perform PV smoothing. The classic ramp-rate control method (CRRC) is studied ... -
Influence of the power supply on the energy efficiency of an alkaline water electrolyser
Electric energy consumption represents the greatest part of the cost of the hydrogen produced by water electrolysis. An effort is being carried out to reduce this electric consumption and improve the global efficiency ... -
Inverter-based PV ramp-rate limitation strategies: minimizing energy losses
This work analyzes the reduction of power generation in strategies that regulate the PV ramp-rate by using inverter limitation. Although the operating principle implies some energy production losses, not all these ... -
Long-term degradation rate of crystalline silicon PV modules at commercial PV plants: an 82-MWp assessment over 10 years
Due to high competitiveness in the PV sector, despite the low degradation rate of crystalline silicon PV modules (below 0.5%/year), it is still important for utilities to know its actual value due to its impact on energy ... -
Low complexity energy management strategy for grid profile smoothing of a residential grid-connected microgrid using generation and demand forecasting
This paper presents the design of an energy management strategy based on a low complexity Fuzzy Logic Control (FLC) for grid power profile smoothing of a residential grid-connected microgrid including Renewable Energy ... -
Modeling and control of stand-alone AC microgrids: centralized and distributed storage, energy management and distributed photovoltaic and wind generation
El aumento de la penetración de energías renovables en la red eléctrica es necesario para el desarrollo de un sistema sostenible. Para hacerlo posible técnicamente, se ha planteado el uso de microrredes, definidas como ... -
Modeling of small wind turbines based on PMSG with diode bridge for sensorless maximum power tracking
The Permanent Magnet Synchronous Generator (PMSG) with diode bridge is frequently used in small Wind Energy Conversion Systems (WECS). This configuration is robust and cheap, and therefore suitable for small WECS. In order ...