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Introduction
Publications
Publications (22)
In recent years there has been a strong expansion of photovoltaic (PV) distributed generation systems. A high PV penetration level can cause uncertainty in the operation and management processes carried out by electric utilities, since most meters register the net load, i.e., the actual load minus the power generated by the PV systems behind the me...
Power plants based on renewable sources offer environmental, technical and economic advantages. Of particular importance is the reduction in greenhouse gas emissions compared to conventional power plants. Despite the advantages, people are often opposed to the construction of these facilities due to their high visual impact, particularly if they ar...
The integration of renewable energies, specifically solar energy, in electric distribution systems is increasingly common. For an optimal operation, it is very important to forecast the final net demand of the power distribution network, considering the variability of solar energy combined with the variability of the electric energy consumption hab...
This paper presents a new probabilistic forecasting model of the hourly mean power production in a Photovoltaic (PV) plant. It uses the minimal information and it can provide probabilistic forecasts in the form of quantiles for the desired horizon, which ranges from the next hours to any day in the future. The proposed model only needs a time serie...
The construction of new high voltage overhead power lines (HVOPLs) has become a controversial issue for electricity companies due to social opposition. Citizens are concerned about how these power lines may have an impact on their lives, basically caused by their effects on health and safety. Visual impact is one of the most easily perceived. Altho...
Despite the advantages that power plants based on renewable energies offer, there are some restrictions to the social acceptance of these facilities. One of these restrictions is the visual impact that large power plants may generate on people. This paper presents a new methodology for ranking the feasible places in a zone for the construction of n...
This paper presents a multiobjective optimization method, using an enumerative procedure
for determining the optimal number and the optimal locations of sectionalizing switches and
protective devices, in order to achieve the best ENS (Energy Not Supplied) reliability index with
minimal investment cost in distribution network systems with several su...
This paper presents a new statistical short-term forecasting system for a grid-connected photovoltaic (PV) plant. The proposed system comprises three modules composed of two numerical weather prediction models and an artificial neural network based model. The first two modules are used to forecast weather variables used by the third module, which h...
For the power distribution systems planner it is essential to know the best number and in which power network sections, the control and protective devices must be placed. This paper presents a method for determining the optimal number and the optimal locations of sectionalizing switches and protective devices, in order to achieve a reliability impr...
This paper presents planning models for hybrid distributed generation systems, as well as the results corresponding to a distribution system planning problem obtained using a new computational tool based on a Geographic Information System, GIS. This computational tool is a powerful instrument for analyzing energy resources and energy conversion tec...
The important penetration of wind energy into the electric networks over the last years has propelled the development of wind power forecasting tools. The intermittent behaviour of wind and the necessity of supplying the electric demand require knowing in advance the electric power generated by wind farms. This paper describes a new wind power fore...
This paper presents a new method for determining the best number and the ideal locations of switching and protection devices, i.e. circuit breakers, sectionalizers and fuses, in order to achieve the best reliability improvement in power distribution systems at the lowest economical investment cost (feeder reconductoring sizes and/or new feeder inst...
This paper presents a methodology to evaluate and analyze the beneficial effects in electric power distribution networks deriving from the implementation of different energy efficiency DSM programs (Demand Side Management strategies corresponding to the use of the best end-use appliances from the best technological energy efficiency standpoint). Th...
This paper presents planning models for hybrid distributed generation systems, as well as the results corresponding to a distribution systems planning problem obtained using a new computational tool based on a Geographic Information System, GIS. This computational tool is a powerful instrument for analyzing existing energy resources and energy conv...
This paper presents planning models for hydraulic energy systems, as well as the results obtained in the study of their use in electric power production by means of a new computational tool based on a Geographic Information System, GIS. This tool enables good regional planning of energy resources, technologies and energy infrastructures. In this pa...
This paper presents a simple modelling of the power distribution systems and fundamental variables for representing load management strategies in order to simulate effects of such strategies in the electricity distribution networks operation. It has been tested by extensive computer experiments with data from a Spanish electric utility. The compute...
This paper presents the methodology developed within a main research project (supported with funds of the Spanish Government and the European Union) in order to obtain maps of water resources with geographic high resolution, in the region of La Rioja, Spain, and its
utilisation (as renewable source) for electric energy generation from minihydraulic...
The evaluation of high-potential areas for integrating distributed
resources is mainly dependent on the geographical characterization of
resources, consumptions, energy technologies and infrastructures. The
effect of distributed resources on electric distribution could be
studied by a spatial evaluation of incremental costs. This paper
presents a s...
Resumen. El incremento de precios de los combustibles convencionales, las amenazas derivadas del cambio climático, y las políticas energéticas impulsadas en los países desarrollados, han propiciado un fuerte incremento en la potencia instalada en plantas generadoras de energía eléctrica basadas en recursos renovables. Las instalaciones basadas en e...
