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Mostrando ítems 11-19 de 19
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
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
Magnetic field shielding of underground cable duct banks
(2013)
In this paper an in-depth parametric analysis of shielding effectiveness obtained when using ferromagnetic or conductive screens to mitigate the field generated by duct banks is presented. Due to the need of a case-by-case ...
Artículo
Internet en las prácticas de laboratorio
(Universidad de Sevilla, 1999)
Se describe un trabajo de innovación educativa basado en la utilización de la red Internet como recurso en la gestión y realización de las prácticas de laboratorio. El sistema informático se ha diseñado para que resulte ...
Artículo
Novel conductor design to increase the thermal rating of overhead lines
(International Conference on Renewable Energies and Power Quality (ICREPQ), 2016)
In this paper the performance of existing and novel designs of overhead bare conductors with regard to their capacity to evacuate the heat generated by ohmic losses is compared. The effect of both the diameter of strands ...
Artículo
Impact of electromagnetic losses in closed two-component magnetic shields on the ampacity of underground power cables
(2013)
In this paper two typical arrangements of underground single-core high voltage three-phase power cables (flat and trefoil protected by PVC pipes) inside a closed shield of three different materials (low-carbon steel, ...
Artículo
Loss Allocation in Submarine Armored Three-core HVAC Power Cables
(Institute of Electrical and Electronics Engineers, 2021-09)
Loss allocation of the three different components (conductor, sheaths and armor) of solidly bonded three-core separated lead-sheathed armored cables, frequently employed in offshore wind farms, is challenging due to the ...
Artículo
Experimental validation of ultra-shortened 3D finite element models for frequency-domain analyses of three-core armored cables
(Institute of Electrical and Electronics Engineers, 2022-03)
Recently, large offshore wind power plants have been installed far from the shore, using long HVAC three-core armored cables to export power. Its high capacitance may contribute to the appearance of unwanted phenomena, ...
Artículo