Exploració per tema "Enginyeria elèctrica"
Ara es mostren els items 21-40 de 120
-
Closed-Loop discontinuous modulation technique for capacitor voltage ripples and switching losses reduction in modular multilevel converters
(2015-04-15)
Article
Accés obert -
Comparison of cell selection methods for modular multilevel converters
(2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe modular multilevel-based power converters (MMC) are very interesting solutions for high power transmission over large distances. The modularity of the converter is achieved by cascading individual and low voltage rated ... -
Comprehensive analogy between conventional AC grids and DC grids characteristics
(2013)
Comunicació de congrés
Accés restringit per política de l'editorialThe high penetration of renewable energy resources, such as wind and photovoltaic, as well as the development of power electronics devices play an important role in the development of DC grids. However, the evolution of ... -
El Conductor de motores de gas y de petróleo
(Bailly-Baillière e Hijos, 1898)
Llibre
Accés obert -
Continuous assessment with self-checking tasks
(Universitat Politècnica de Catalunya, 2022-09)
Text en actes de congrés
Accés obertThis paper discusses the applicability and benefits of self-checking tasks in continuous assessment in an electrical engineering course. The method was implemented in the first-year online graduate course of Advanced Power ... -
Contribución a la validación de certificados en arquitecturas de autenticación y autorización
(Universitat Politècnica de Catalunya, 2007-03-09)
Tesi
Accés obertAuthentication and authorisation architectures based on certificates have not been widely accepted due to their cost, inflexibility and difficult management.<br/>The complexity of the Public Key Infrastructure (PKI) is ... -
Contributions to the modulation and closed-loop control of multilevel dual-active-bridge Dc-Dc converters
(Universitat Politècnica de Catalunya, 2017-07-21)
Tesi
Accés obertGalvanically-isolated bidirectional dc-dc converters (IBDCs) have recently received more attention due to its increasing use in systems requiring energy transfer between two dc networks in both directions, requiring galvanic ... -
Control of Circulating Currents in Modular Multilevel Converters Through Redundant Voltage Levels
(2016-11-01)
Article
Accés obertAmong the main control targets in a modular multilevel converter (MMC) is the control of the circulating currents within the phase legs of the topology. This paper presents a controller for the circulating current of the ... -
Control strategy for distribution generation inverters to maximize the voltage support in the lowest phase during voltage sags
(Institute of Electrical and Electronics Engineers (IEEE), 2017-08-07)
Article
Accés obertIEEE Voltage sags are considered one of the worst perturbations in power systems. Distributed generation power facilities are allowed to disconnect from the grid during grid faults whenever the voltage is below a certain ... -
Dancing sprites: detailed analysis of two case studies
(2017-03-27)
Article
Accés obertOn 29–30 October 2013, a low-light video camera installed at Pic du Midi (2877¿m), recorded transient luminous events above a very active storm over the Mediterranean Sea. The minimum cloud top temperature reached -73°C, ... -
DcDc converter per a la connexió entre diferents fonts d'energia i el bus de potència d'un vehicle elèctric
(Universitat Politècnica de Catalunya, 2018-04-27)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Desarrollo de farolas solares aisladas de red con columnas de madera
(Universitat Politècnica de Catalunya, 2022-07-12)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Descargas parciales: métodos de medida y detección
(Universitat Politècnica de Catalunya, 2015-06)
Treball Final de Grau
Accés restringit per decisió de l'autor -
Design and implementation of an LCL DC/DC converter prototype for DC grids
(2017)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper is focused on the design and implementation of an LCL DC/DC converter prototype. This inductor-capacitor-inductor (LCL) topology offers some promising properties as fault tolerant capability for DC grids, being ... -
Design of modules for a star-triangle starter based on intensity
(Universitat Politècnica de Catalunya, 2014-09)
Projecte/Treball Final de Carrera
Accés obert· Explain why and how affects the starting of an engine to the equipment connected. · Assemble a module for the PLC study and explain all the elements. · Learn how to design a program for a PLC (Language used: Logic ... -
Design, operation, modeling and grid integration of power-to-gas bioelectrochemical systems
(2018-08-01)
Article
Accés obert -
Deterministic and stochastic assessment of the harmonic currents consumed by discharge lamps
(2011-01)
Article
Accés restringit per política de l'editorial -
Diffusion-free valve for preprogrammed immunoassay with capillary microfluidics
(Nature, 2023-12-01)
Article
Accés obertBy manipulating the geometry and surface chemistry of microfluidic channels, capillary-driven microfluidics can move and stop fluids spontaneously without external instrumentation. Furthermore, complex microfluidic circuits ... -
Discontinuous modulation of modular multilevel converters without the need for extra submodules
(2015)
Text en actes de congrés
Accés obert -
Educational Web Application for Electrical Engineering
(Universitat Politècnica de Catalunya, 2022-05-18)
Treball Final de Grau
Accés restringit per decisió de l'autorNowadays, there are a lot of educational web applications that offer tools for resolving all types of problems in just seconds: from basic problems to advanced ones. With these, the process of learning is easier and it ...