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Mostrando ítems 11-20 de 58
Ponencia
One dimensional feed-forward modulation of a cascaded H-bridge multi-level converter including capacitor balancing with reduced switching frequency
(IEEE, 2011)
Multi-level converters are well suited to medium and high power applications where the priority is for high quality a.c. currents with low harmonic content and for low switching losses. Suitable modulation schemes must ...
Artículo
Common DC-Link Capacitor Harmonic Current Minimization for Cascaded Converters by Optimized Phase-Shift Modulation
(MDPI, 2023-03)
This paper investigates the influence of a constant carrier phase shift on the DC-link capacitor harmonic current of cascaded converters used in fuel-cell and mild-hybrid electric vehicles. In these applications, a DC-DC ...
Ponencia
Algoritmo de modulación vectorial para convertidores multinivel de cuatro ramas utilizando coordenadas naturales
(2005)
En este trabajo se presenta el primer algoritmo de modulación vectorial tridimensional para convertidores multinivel de cuatro ramas. Este convertidor se puede aplicar en el campo de los filtros activos o a los compensadores ...
Artículo
Selective Harmonic Mitigation Technique for Cascaded H-Bridge Converters With Nonequal DC Link Voltages
(2013-05)
Multilevel converters have received increased interest recently as a result of their ability to generate high quality output waveforms with a low switching frequency. This makes them very attractive for high power ...
Artículo
DC-Voltage-Ratio Control Strategy for Multilevel Cascaded Converters Fed With a Single DC Source
(Institute of Electrical and Electronics Engineers, 2009)
Recently, a multilevel cascaded converter fed with a single DC source has been presented. An analysis of the steady-state working limits of this type of converter is presented in this paper. Limits of the maximum output ...
Artículo
Model based adaptive direct power control for three-level NPC converters
(2013-05)
In this work, a Model Based Adaptive Direct Power Control (MB-ADPC) with constant switching frequency for Three-Phase Three-Level Neutral Point Clamped (3L-NPC) converters is proposed. The rectifier and inverter operation ...
Ponencia
Model predictive control with constant switching frequency using a discrete space vector modulation with virtual state vectors
(2009)
Finite states model predictive control (FS-MPC) appears as a promising control technique to be applied to power converters in the industry. However, the FS-MPC presents some drawbacks as non constant switching frequency ...
Artículo
The Age of Multilevel Converters Arrives
(Institute of Electrical and Electronics Engineers (IEEE), 2008)
This work is devoted to review and analyze the most relevant characteristics of multilevel converters, to motivate possible solutions, and to show that we are in a decisive instant in which energy companies have to bet on ...
Artículo
Common-Mode Voltage Mitigation of Dual Three-Phase Voltage Source Inverters in a Motor Drive Application
(Institute of Electrical and Electronics Engineers IEEE, 2021)
Electric variable speed drives (VSDs) based on two VSDs connected to a multiphase machine are an attractive solution to replace high-power mechanic and hydraulic systems in many sectors of industry and transportation ...
Ponencia
Guidelines for weighting factors design in model predictive control of power converters and drives
(IEEE, 2009)
Finite State Model Predictive Control (FS-MPC) has emerged as a promising control tool for power converters and drives. One of the major advantages is the possibility to control several system variables with a single control ...