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Optimal power flow operation of an interline current flow controller in an hybrid AC/DC meshed grid
(2019-12-01)
Article
Restricted access - publisher's policyThis paper is meant to show that an interline Current Flow Controller (CFC) is able to reduce the operating costs of hybrid AC/DC meshed grids by alleviating the congestion within the DC lines. The work considers a ... -
A modified partial power structure for quasi Z-source converter to improve voltage gain and power rating
(2019-06-01)
Article
Open AccessEmploying partial power processing (PPP) technique for quasi Z-source converter (QZSC) a new structure of the converter is presented. Using PPP technique although eliminates electrical insolation, but permits reducing ... -
Grafeno: el material del presente con mucho futuro
(Grupo Tecnipublicaciones, 2019-02-14)
Article
Restricted access - publisher's policy -
Extending 2-D space vector PWM for three-phase four-leg inverters
(2019-05-07)
Article
Restricted access - publisher's policyThis paper proposes a novel Space Vector Pulse Width Modulation strategy extending conventional 2-D SVPWM strategies for its use in three-phase four-leg inverters. The methodology is based on the segregation of the zero ... -
Engineering education for sustainable development: The European Project Semester approach
(2019-07-16)
Article
Restricted access - publisher's policyContribution: An analysis of the extent to which sustainability is present in the syllabi, project briefs, report templates, and student final reports of the three Iberian European project semester (EPS) providers, over a ... -
Valoración de los accidentes graves y mortales en las minas españolas entre los años 2013 y 2017
(2019-06-25)
Article
Open AccessLa industria minera es considerada como una de las industrias más peligrosas. Hay la necesidad de una gestión eficaz de la salud y de la seguridad en el trabajo para salvaguardar a los trabajadores. El objetivo de este ... -
Feasibility analysis of reduced-scale visual corona tests in high-voltage laboratories
(2019-06-18)
Article
Open AccessCorona is a critical effect that must be considered during the design and optimization stages of high-voltage hardware such as substation connectors, since due to the harmful effects, corona threats power systems reliability. ... -
Analysis and mitigation of stray capacitance effects in resistive high-voltage dividers
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-06-14)
Article
Open AccessThis work analyzes the effects of the parasitic or stray distributed capacitance to ground in high-voltage environments and assesses the effectiveness of different corrective actions to minimize such effects. To this ... -
Polarimetric radar characteristics of lightning initiation and propagating channels
(2019-05-27)
Article
Open AccessIn this paper we present an analysis of a large dataset of lightning and polarimetric weather radar data collected in the course of a lightning measurement campaign that took place in the summer of 2017 in the area surrounding ... -
On the TGF/lightning ratio asymmetry
(2019-05-14)
Article
Open AccessAfrica is one of the most productive lightning regions on Earth, yet it has a lower TGF-to-lightning ratio especially compared with Central America. In this paper we have analyzed the global distribution of different ... -
Optimal feeder flow control for grid connected microgrids
(2019-11-01)
Article
Restricted access - publisher's policyThe optimal management of distributed energy resources is one of theexisting challenges for the deployment of microgrids. When microgrids op-erate under feeder flow control mode, trying to maintain a constant self-consumption, ... -
Five-level T-type cascade converter for rooftop grid-connected photovoltaic systems
(2019-05-08)
Article
Open AccessMultilevel converters are widely considered to be the most suitable configurations for renewable energy sources. Their high-power quality, efficiency and performance make them interesting for PV applications. In low-power ...
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