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Mostrando ítems 1-10 de 12
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
Continuous harmonic analysis and power quality measurements in three-phase systems
(European Association for the Development of Renewable Energies, Environment and Power Quality, 2003)
A virtual instrument, named Power Quality Meter, is presented for (a) measuring power consumption and harmonics in three-phase systems, under non-sinusoidal and imbalance conditions (b) detecting, classifying and ...
Artículo
A Survey on Optimization Techniques Applied to Magnetic Field Mitigation in Power Systems
(MDPI, 2019)
With the continuous increase in the number and relevance of electric transmission lines and distribution networks, there is a higher exposure to the magnetic fields generated by them, leading to more cases of human ...
Artículo
Hybrid Machine Learning Models for Classifying Power Quality Disturbances: A Comparative Study
(MDPI, 2020-06)
The economic impact associated with power quality (PQ) problems in electrical systems is increasing, so PQ improvement research becomes a key task. In this paper, a Stockwell transform (ST)-based hybrid machine learning ...
Artículo
Diseño de un prototipo Analizador de Señales para la medida de la calidad de la potencia eléctrica de los regímenes no senoidales
(Colegio Oficial de Peritos e Ingenieros Técnicos Industriales de Sevilla, 2012)
Analizar la onda de la red eléctrica en tiempo real mediante algoritmos matemáticos, aplicando distintos regímenes de cargas y observando su comportamiento, creando un patrón, sobre el cual, en futuros estudios, poder ...
Artículo
Evaluation of the power frequency magnetic field generated by three-core armored cables through 3D finite element simulations
(Elsevier, 2022-12)
The great expansion in offshore power plants is raising the concern regarding the cumulative effect of the electromagnetic field emissions caused by submarine power cables. In this sense, owners are required to predict ...
Artículo
Hipertexto y mapas conceptuales para la docencia
(Instituto de Ciencias de la Educación, 2002)
El uso de nuevas herramientas multimedia, como el hipertexto, o hipermedia puede aprovecharse para su utilización con fines didácticos en las Enseñanzas Técnicas. En este artículo se expone una metodología para hacer uso ...
Artículo
Disturbance ratio for optimal multi-event classification in power distribution networks
(Institute of Electrical and Electronics Engineers, 2016-05-25)
This paper presents an effective approach to identify power quality (PQ) events based on IEEE Std 1159-2009 caused by intermittent power sources like those of renewable energy. An efficient characterization of these ...
Artículo
An Approach to the Multivectorial Apparent Power in Terms of a Generalized Poynting Multivector
(EMW Publishing, 2009)
The purpose of this paper is to explain an exact derivation of apparent power in n-sinusoidal operation founded on electromagnetic theory, until now unexplained by simple mathematical models. The aim is to explore a new ...
Artículo
Geometric Objects: A Quality Index to Electromagnetic Energy Transfer Performance in Sustainable Smart Buildings
(MDPI, 2018)
Sustainable smart buildings play an essential role in terms of more efficient energy. However, these buildings as electric loads are affected by an important distortion in the current and voltage waveforms caused by the ...