Browsing by Subject "High voltages"
Now showing items 1-20 of 74
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A difícil inserção territorial das linhas elétricas de alta tensão: ferrovias, eletricidade e sistema de cidades no corredor fluvial do Noguera Pallaresa (Lleida)
(2013)
Conference lecture
Open AccessO processo de eletrificação do território catalão supôs ao igual que em muitas outras regiões, um salto quantitativo nas expectativas de progresso e desenvolvimento. O processo de industrialização e de aproveitamento de ... -
Advanced control of a high power converter connected to a weak grid
(2016)
Conference report
Open AccessThis paper addresses the stability problems of a high power converter connected to a weak grid. The wide range values that grid impedance can take, challenges the stability and the performance of the controllers, which are ... -
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 ... -
Analysis of capacitance to ground formulas for different high-voltage electrodes
(2018-01-01)
Article
Open AccessStray capacitance can seriously affect the behavior of high-voltage devices, including voltage dividers, insulator strings, modular power supplies, or measuring instruments, among others. Therefore its effects must be ... -
Analysis of derivative control based virtual inertia in multi-area high-voltage direct current interconnected power systems
(2016-05-12)
Article
Open AccessDue to increasing level of power converter-based component and consequently the lack of inertia, automatic generation control (AGC) of interconnected systems is experiencing different challenges. To cope with this challenging ... -
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 ... -
Aplicación del modelo Reliability-Centred Maintenance (RCM) en líneas de distribución de Alta Tensión
(Universitat Politècnica de Catalunya / Escola Tècnica Superior d’Enginyeria Industrial de Barcelona, 2009-03)
Master thesis (pre-Bologna period)
Open AccessEl objetivo de este proyecto es definir gamas de mantenimiento para cables subterráneos de Alta Tensión, basándose en la metodología RCM (Mantenimiento Basado en la Fiabilidad); establecer niveles iniciales de alerta, ... -
Application of image sensors to detect and locate electrical discharges: a review
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-08-06)
Article
Open AccessToday, there are many attempts to introduce the Internet of Things (IoT) in high-voltage systems, where partial discharges are a focus of concern since they degrade the insulation. The idea is to detect such discharges at ... -
Caracterització i estudi d’enllaços HVDC
(Universitat Politècnica de Catalunya, 2021-07-05)
Bachelor thesis
Open AccessEl present document es presenta com: caracterització i estudi sobre la tecnologia d’enllaços HVDC, d’acord al seu títol. Primerament s’estudien els enllaços d’una manera genèrica a través d’una introducció històrica que ... -
Càlcul d'una línia a 400 kV i 1812 MVA entre Guillena i Puebla de Guzmán
(Universitat Politècnica de Catalunya, 2015-01)
Bachelor thesis
Open Access -
Comparative analysis of fault detection and classification techniques for HVDC grids protection
(The Institution of Engineering and Technology (IET), 2020)
Conference report
Restricted access - publisher's policyDealing with high short-circuit currents with a fast rise rate in Voltage Source Converters (VSCs) still poses as a challenge for High Voltage Direct Current (HVDC) multiterminal system (MTDC) reliability. Several fault ... -
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 DC/DC-Interconnected Multiterminal VSC-HVDC Grids
(Universitat Politècnica de Catalunya, 2020-07-16)
Bachelor thesis
Open AccessThis thesis addresses the control of multiterminal HVDC grids based on voltage-source converters interconnected via high-voltage DC/DC converters. In particular, it presents a new methodology to conceive a linear model of ... -
Control of VSC-HVDC with electromechanical characteristics and unified primary strategy
(2016)
Conference report
Open AccessHigh voltage dc (HVDC) systems act as the prevailed solution for transmitting offshore wind energy to onshore main grids. Control of the voltage source converters (VSC) in HVDC systems is decisive for the performance. This ... -
Coordinación de sistemas de protección en redes de alta tensión
(Universitat Politècnica de Catalunya, 2021-01)
Bachelor thesis
Open AccessTrabajo centrado en las protecciones de sistemas eléctricos en líneas de alta tensión. Mención a los tipos más comunes de faltas en alta tensión, explicación de los principales tipos de protección, aplicación de las ... -
Desarrollo de un módulo de alta tensión para el microtrón de la UPC
(Universitat Politècnica de Catalunya, 2014-06)
Bachelor thesis
Open AccessEl objetivo del presente trabajo es el diseño, ensamblaje y pruebas del funcionamiento de un módulo de alimentación de alta tensión del cañón de electrones que forma parte del microtrón de pista que se está construyendo ... -
Descripción y estudio de los enlaces HVDC en los sistemas eléctricos.
(Universitat Politècnica de Catalunya, 2020-02-03)
Bachelor thesis
Open AccessEl proyecto estudia los enlaces de alta tensión en corriente continua (High Voltage Direct Current, HVDC). Dichos enlaces son utilizados para optimizar la distribución de energía eléctrica desde las fuentes de energía hasta ... -
Design of a low-cost high voltage rectifier for experiments with DC arcs
(Universitat Politècnica de Catalunya, 2024-02-05)
Bachelor thesis
Open AccessThis project involves the evaluation and comparison of various methods for high voltage DC generation, within the context of DC arc experimentation. A method will be selected and subsequently implemented into a functional ... -
Detección en Línea de Descargas Parciales en Accesorios de Cables de Media y Alta Tensión mediante Emisiones Acústicas
(2009-11)
Conference report
Restricted access - publisher's policy