Browsing by Subject "Electric current rectifiers"
Now showing items 1-19 of 19
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Adaptación de dos erctificadores de 6 pulsos en un rectificador de 12 pulsos y el estudio de su mantenimiento
(Universitat Politècnica de Catalunya, 2019-09-29)
Bachelor thesis
Restricted access - author's decisionEn este trabajo se realizará el diseño de una herramienta que permite el funcionamiento de dos Rectificadores de 6 pulsos pudiendo interconectarlos entre sí para crear un Rectificador de 12 pulsos y así realizar ensayos ... -
Comparación entre rectificador trifásico con conmutación simétrica y convertidor AC/AC para la mejora del factor de potencia en microcentrales hidroeléctricas
(Elsevier, 2017)
Article
Open AccessMuchas de las microcentrales hidroeléctricas, útiles por la producción de electricidad en regiones de difícil acceso, operan en régimen autónomo, por lo que es necesario realizar la regulación de frecuencia de la tensión ... -
Corrector del factor de potencia mediante convertidor boost multifase
(Universitat Politècnica de Catalunya, 2009-06)
Master thesis (pre-Bologna period)
Restricted access - author's decisionLas fuentes de alimentación tradicionales provocan una clara disminución del factor de potencia. Es necesario encontrar un circuito que pase la corr iente alterna a corriente continua, con un ... -
Disseny mecànic dels subracks per a mòduls rectificadors en sistemes DC
(Universitat Politècnica de Catalunya, 2014-06)
Bachelor thesis
Open AccessEl present projecte de fi de grau presenta el disseny i la validació dels subracks per a mòduls rectificadors en un equip sistema DC de l’empresa Salicru. Com a punt de partida, s’introdueix la continuïtat en el ... -
Estudi del sistema de recuperació d’energia AFE (Active Front End)
(Universitat Politècnica de Catalunya, 2014-01)
Master thesis (pre-Bologna period)
Open AccessEn aquest projecte es farà l’estudi del sistema AFE (Active Front End), treballant en mode regeneratiu. En primer lloc, es descriuran els elements que conformen el sistema AFE i les seves funcions. Després es determinaran ... -
Estudio de detección de faltas en transformadores rectificadores de 12 pulsos de aeronaves
(Universitat Politècnica de Catalunya, 2019-01-10)
Bachelor thesis
Restricted access - author's decision -
Estudio del cálculo del valor medio de la tensión de salida en el enlace DC de rectificadores en puente no controlados multifásicos
(Universitat Politècnica de Catalunya, 2023-05-22)
Bachelor thesis
Open AccessL'objectiu del present Treball Final de Grau és examinar diferents metodologies que permeten el càlcul del valor mitjà de la tensió de sortida en enllaç DC de rectificadors en pont no controlats multifàsics quan aquests ... -
Estudio y diseño de trasformadores para rectificadores multipulso para aplicaciones de gran potencia
(Universitat Politècnica de Catalunya, 2023-07-11)
Bachelor thesis
Open AccessEn aquest treball sobre l'estudi i disseny d'un transformador desfasador per a rectificadors multipulsos, s'investiguen i s'expliquen els tipus de convertidors utilitzats i el transformador desfasador. L'objectiu principal ... -
Harmonic reduction in three-phase grid-connected converters
(Universitat Politècnica de Catalunya, 2020-09)
Master thesis
Restricted access - author's decision -
Impact of converter losses on the optimal power flow solution of hybrid networks based on VSC-MTDC
(2017-10)
Article
Open AccessThis paper studies the impact of voltage source converter (VSC) losses on the solution of the optimal power flow (OPF) of hybrid AC/DC systems with a multi-terminal configuration. The motivation of this analysis is that ... -
Multibattery-fed neutral-point-clamped DC-AC converter with SoC balancing control to maximize capacity utilization
(Institute of Electrical and Electronics Engineers (IEEE), 2020-01-01)
Article
Open AccessThis paper studies a multilevel multiphase dc-ac conversion system configured by a neutral-point-clamped converter fed by multiple battery packs connected in series. A virtual-vector modulation is selected and a state-of-charge ... -
New methodology to calculate DC voltage signature in n-phases TRUs under supply voltage sags
(Institute of Electrical and Electronics Engineers (IEEE), 2022-02-28)
Article
Open AccessA new methodology based on the shadow projection has been developed to study any multipulse rectifier's dynamic behavior under balanced and unbalanced conditions. The proposed methodology calculates the DC average voltage ... -
Open-circuit fault diagnosis and maintenance in multi-pulse parallel and series TRU topologies
(Institute of Electrical and Electronics Engineers (IEEE), 2020-02-27)
Article
Open AccessTransformer Rectifier Units (TRUs) are a reliable way for DC generation in several electric applications. These units are formed by multiple three-phase uncontrolled bridge rectifiers connected according to two main ... -
PI-based controller for low-power distributed inverters to maximise reactive current injection while avoiding over voltage during voltage sags
(2018-10-25)
Article
Open AccessIn the recently deregulated power system scenario, the growing number of distributed generation sources should be considered as an opportunity to improve stability and power quality along the grid. To make progress in this ... -
Simulación con Pspice de circuitos rectificadores
(Universitat Politècnica de Catalunya, 2006-07)
Master thesis (pre-Bologna period)
Restricted access - author's decisionLa gran mayoría de los equipamientos de alimentación eléctrica funcionan con corriente continua. Se plantea entonces la necesidad de convertir la corriente alterna en continua, lo cual se logra por medio de la ... -
Sistema Back-to-Back (B2B) per l'assaig regeneratiu de convertidors estàtics
(Universitat Politècnica de Catalunya, 2021-11-01)
Master thesis
Restricted access - confidentiality agreement -
Sliding mode control of a three-phase three-wire LCL rectifier
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyThis paper presents a dynamic analysis and the control design for a three-phase three-wire unity power factor rectifier with a LCL filter. The control algorithm is based on the sliding mode control techniques that provides ... -
Steady-state and dynamic performance of front-end diode rectifier loads as predicted by dynamic average-value models
(2013-07)
Article
Restricted access - publisher's policyThe detailed switch-level models of front-end diode recti fi er loads can be readily implemented using a number of transient simulation programs, such as PSCAD/EMTDC, and the toolboxes in Matlab/Simulink. To improve ... -
Validation & optimization of a method to design rectifier transformer for green hydrogen production
(Universitat Politècnica de Catalunya, 2023-11-14)
Master thesis
Restricted access - author's decisionThe significant advancements in energy transition, particularly in the integration of renewable energy sources, have compelled energy engineers to devise sustainable stor-age solutions for the long term. Green hydrogen has ...
