Exploració per tema "multilevel"
Ara es mostren els items 1-8 de 8
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A modulation strategy to operate multilevel multiphase diode-clamped and active-clamped DC-AC converters at low frequency modulation indices with DC-link capacitor voltage balance
(2017-10-01)
Article
Accés obertThis paper proposes a modulation strategy for multilevel multiphase diode-clamped dc–ac converters (also applicable to other functionally equivalent topologies) able to keep the dc-link capacitor voltages balanced under ... -
Análisis del contenido espectral de modulaciones de ancho de pulso para inversores fotovoltaicos multinivel conectados a red
(Universitat Politècnica de Catalunya, 2012-05-30)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] Study of the harmonic spectrum on various pulse width modulation strategies for multilevel converters, and how it affects the distortion on the converters. -
Decoupled DC-Link capacitor voltage control of DC-AC multilevel multileg converters
(Institute of Electrical and Electronics Engineers (IEEE), 2015-10-27)
Article
Accés obertThis paper studies the coupling between the capacitor voltage control loops of diode-clamped (or functionally equivalent) multilevel multileg (multiphase) dc-ac converters. From a complete model of the plant revealing the ... -
Disseny d'amplificador d'àudio DCI-NPC de 5 nivells i estudi d'errors en el modulador
(Universitat Politècnica de Catalunya, 2012-06-28)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] Implementation of a prototype and modellating of the errors in the modulator. -
Enhanced DC-Link Capacitor Voltage Balancing Control of DC-AC Multilevel Multileg Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2015-05-01)
Article
Accés restringit per política de l'editorialThis paper presents a capacitor voltage balancing control applicable to any multilevel dc-ac converter formed by a single set of series-connected capacitors implementing the dc link and semiconductor devices, such as the ... -
Experimental efficiency comparison between a four-level active-clamped and a two-level topology
(2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents an efficiency analysis of a recently-published topology, the multilevel-active-clamped (MAC) topology. In order to assess the MAC topology, an efficiency comparison between a four-level MAC leg and a ... -
Self-powered bipolar gate-driver power supply circuit for neutral-point-clamped converters
(2018)
Text en actes de congrés
Accés obertThe design of gate-driver power supply (GDPS) circuits for multilevel neutral-point-clamped converters is a challenge due to the large number of power switches required and the fact that each device presents a different ... -
Switching-Cell Arrays - An Alternative Design Approach in Power Conversion
(Institute of Electrical and Electronics Engineers (IEEE), 2018-03-14)
Article
Accés obertThe conventional design of voltage-source power converters is based on a two-level half-bridge configuration and the selection of power devices designed to meet the full application specifications (voltage, current, etc.). ...