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Mostrando ítems 1-7 de 7
Artículo
Direct torque control of multiphase doubly converter-fed asynchronous machines incorporating the harmonic torques
(ASTES Publishers, 2018)
Doubly fed asynchronous machines have an outstanding property: they can be operated up to twice rated speed delivering full rated torque. This paper presents, for the first time in the literature, a control system for ...
Artículo
Critical Review of the Modified Winding Function Theory
(EMW Publishing, 2013)
The Modified Winding Function Theory (MWFTh), regarded as a very powerful and general theory, has been extensively used for the last 15 years. This paper performs an in-depth review of the mathematical and physical ...
Artículo
On Simplified 3D Finite Element Simulations of Three-Core Armored Power Cables
(MDPI, 2018-11)
This paper analyzes different ways to electromagnetically simulate three-core armored cables in 3D by means of the finite element method. Full periodic models, as lengthy as 36 m, are developed to evaluate the accuracy ...
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
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
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, ...