Browsing by Subject "Electric currents, Direct"
Now showing items 1-19 of 19
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Analysis of the performance of MMC under fault conditions in HVDC-based off-shore wind farms
(Institute of Electrical and Electronics Engineers (IEEE), 2016-04)
Article
Open AccessThis paper analyzes the behavior of a modular multilevel converter-high-voltage direct-current (MMC HVDC)-connected offshore wind power plant (WPP) during dc faults. For that purpose, detailed models of the dc cable, MMC ... -
Anàlisi dinàmica de xarxes multiterminal HVDC-VSC per al transport d'energia elèctrica en corrent continu en parcs eòlics marins
(Universitat Politècnica de Catalunya, 2011-02)
Master thesis (pre-Bologna period)
Open AccessEl projecte presenta un mètode d'anàlisi dinàmica per al disseny del control droop emprat en les xarxes multiterminal d'alta tensió en corrent continu HVDC (High Voltage Direct Current) que interconnecten parcs eòlics ... -
Comparative study of AC and positive and negative DC visual corona for sphere-plane gaps in atmospheric air
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-10-08)
Article
Open AccessDue to the expansion of high-voltage direct current (HVDC) power systems, manufacturers of high-voltage (HV) hardware for alternating current (ac) applications are focusing their efforts towards the HVDC market. Because ... -
Control and simulation of power converters for HVDC grids
(Universitat Politècnica de Catalunya, 2019-07-12)
Master thesis
Open AccessHigh Voltage Direct Current (HVDC) is a growing technology due to the necessities of electric connection between islands, offshore wind farms, oil platforms, the electrification of transports and other future applications ... -
Control Predictivo de Fallos de un Motor DC
(Universitat Politècnica de Catalunya, 2020-09-03)
Tutored research work
Restricted access - author's decision -
Disseny i control d'un convertidor modular multinivell
(Universidad Politecnica de Catalunya, 2015-06)
Master thesis (pre-Bologna period)
Open AccessAquest projecte presenta l’estudi, l’ana`lisi i l’esquema de control d’un convertidor d’estructura modular multinivell (MMC) de tipologia Voltage Source Converter (VSC) per a xarxes d’alta tensio´ en corrent continu ... -
Estació de recàrrega de vehicles elèctrics d'ús personal
(Universitat Politècnica de Catalunya, 2019-10-29)
Bachelor thesis
Restricted access - confidentiality agreement -
Estudi comparatiu de l'efecte corona en corrent altern i corrent continu aplicat a connectors elèctrics d'alta tensió
(Universitat Politècnica de Catalunya, 2018-01-10)
Bachelor thesis
Restricted access - author's decision -
Estudio de la influencia de los parámetros de proceso y de producto en el punto de funcionamiento de un motor de continua.
(Universitat Politècnica de Catalunya, 2018-09-10)
Bachelor thesis
Restricted access - author's decision -
Harmonic interactions in HVAC-connected offshore windfarms
(Universitat Politècnica de Catalunya, 2019-07-12)
Master thesis
Open AccessThe connection of new Offshore Wind Power Plants (OWPP) in the existing Dutch transmission system gives rise to many technical challenges. For example, it is expected that harmonic issues will occur more frequently when ... -
Modelització, control i simulació de xarxes multiterminal de transport d'energia elèctrica en corrent continu (HVDC-VSC)
(Universitat Politècnica de Catalunya, 2010-06)
Master thesis (pre-Bologna period)
Open AccessAquest projecte presenta un estudi de modelització, disseny de controladors i mètodes d'operació d'una xarxa multiterminal en corrent continu. També es realitzen un seguit de simulacions, amb l'eina informàtica MATLAB-SIMULINK ... -
Modelling and simulation of an insular grid with the presence of High Voltage Direct Current
(Universitat Politècnica de Catalunya, 2018-06-21)
Bachelor thesis
Open AccessInsular electrical grids, usually isolated from larger mainland grids, are more prone to having stability issues. These are usually weak and have limited resources in regards to power sources, which adds up with the fact ... -
Multiport interline current flow controller for meshed HVDC grids
(Institute of Electrical and Electronics Engineers (IEEE), 2020-07-01)
Article
Open AccessIn meshed high voltage direct current grids, the current of each line cannot be controlled independently, since it depends on the resistances between nodes. Additional devices, such as current flow controllers (CFCs), may ... -
Obtention de la fonction de transfert d'un moteur à courant continu à travers l'analyse fonctionnelle de la courbe de réaction
(Universitat Politècnica de Catalunya, 2019-06-18)
Bachelor thesis
Restricted access - author's decision
Covenantee: Institut universitaire de technologie d'Aix-Marseille -
On the performance of the energy-controlled MMC: impact of the Internal and the DC capacitances in HVDC applications
(2019)
Conference report
Restricted access - publisher's policyAs the power system is evolving towards a cleaner energy generation framework, the penetration of power electronic devices into the grid has become an evident fact. The number of commissioned VSC-HVDC installations is ... -
Optimal dc voltage and current control of an lcc hvdc system to improve real-time frequency regulation in rectifier-and inverter-side grids
(2020-11-01)
Article
Open AccessHigh-voltage direct-current (HVDC) systems for constant or intermittent power delivery have recently been developed further to support grid frequency regulation (GFR). This paper proposes a new control strategy for a ... -
Optimal sizing and location of reactive power compensation in offshore HVAC transmission systems for loss minimization
(2019)
Conference lecture
Open Access -
Optimització del transport d’energia elèctrica en sistemes multiterminal HVDC per grans parcs eòlics marins
(Universitat Politècnica de Catalunya, 2011-05)
Master thesis (pre-Bologna period)
Open AccessAquest projecte estudia els sistemes multiterminal VSC-HVDC per transmissió submarina. En la primera part del projecte, aplicant tècniques d’optimització, es proposa una metodologia per minimitzar les pèrdues per efecte ... -
Overvoltages in DC urban light railway systems: Regenerative braking characterization
(Universitat Politècnica de Catalunya, 2020-03-31)
Bachelor thesis
Restricted access - author's decision
Covenantee: Politecnico di TorinoDC light railway systems are used for public transportation in many cities worldwide. For these DC tram networks, the Traction Electrification System (TES) is normally fed by power substations, which contain the ...
