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Mostrando ítems 1-10 de 47
Artículo
Coils and power supplies design for the SMART tokamak
(Elsevier Ltd, 2021)
A new spherical tokamak, the SMall Aspect Ratio Tokamak (SMART), is currently being designed at the University of Seville. The goal of the machine is to achieve a toroidal field of 1 T, a plasma current of 500 kA and a ...
Artículo
Performance Analysis of Direct Torque Controllers in Five-Phase Electrical Drives
(MDPI, 2021-12)
The industrial application of electric machines has grown in the last decades, thanks to the development of microprocessors and power converters, which have permitted their use as variable-speed drives. Although three-phase ...
Artículo
On the Remuneration to Electrical Utilities and Budgetary Allocation for Substation Maintenance Management
(MDPI, 2021-09)
The liberalization of electricity markets has produced a great change in electrical utilities. One of these changes has affected the methodology for setting their remuneration. Depending on the country, these are different. ...
Artículo
Optimal energy bidding for renewable plants: A practical application to an actual wind farm in Spain
(Elsevier, 2021-09)
Finding an optimal bidding strategy for a wind farm in the electricity market is not straightforward due to the wind variability. This issue is becoming more relevant as renewable plants are more exposed to market signals. ...
Artículo
Assessing the decarbonisation effect of household photovoltaic self-consumption
(Elsevier Ltd, 2021)
The combination of falling renewable technology costs, with high and rising electricity prices and non-obstructive national regulations are making distributed generation increasingly attractive. In the case of photovoltaic ...
Artículo
Instantaneous Disturbance Index for Power Distribution Networks
(2021-02)
The stability of power systems is very sensitive to voltage or current variations caused by the discontinuous supply of renewable power feeders. Moreover, the impact of these anomalies varies depending on the sensitivity ...
Artículo
Influence of Population Density on CO2 Emissions Eliminating the Influence of Climate
(MDPI, 2021-09)
More than 50% of the world’s population lives in cities. Its buildings consume more than a third of the energy and generate 40% of the emissions. This makes cities in general and their buildings in particular priority ...
Artículo
Provision of Primary Frequency Response as Ancillary Service From Active Distribution Networks to the Transmission System
(Institute of Electrical and Electronics Engineers (IEEE), 2021-11)
This paper deals with the provision of primary frequency response (PFR) as ancillary service (AS) from active distribution networks (ADNs) to the transmission system (TS). In particular, two methodologies are developed. ...
Artículo
Model predictive control of six-phase electric drives including ARX disturbance estimator
(Institute of Electrical and Electronics Engineers, 2021)
Finite-control-set model predictive control (MPC) including virtual/synthetic voltage vectors (VVs) has been recently proposed for the high-performance regulation of multiphase induction motor drives. However, the performance ...
Artículo
A Thermal Model for Three-Core Armored Submarine Cables Based on Distributed Temperature Sensing
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-06)
This paper presents a procedure for the derivation of an equivalent thermal network-based model applied to three-core armored submarine cables. The heat losses of the different metallic cable parts are represented as a ...