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Mostrando ítems 1-10 de 21
Ponencia
Cascaded H-bridge multilevel converter multistring topology for large scale photovoltaic systems
(IEEE, 2011)
Large scale grid connected photovoltaic (PV) energy conversion systems have reached the megawatt level. This imposes new challenges on existing grid interface converter topologies and opens new opportunities to be explored. ...
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 ...
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 ...
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 ...
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 ...
Ponencia
Novel modulator for the hybrid two-cell flying-capacitor based ANPC converter
(IEEE, 2011)
Among the multilevel converters present in the industry, the hybrid flying-capacitor based active-neutral-point-clamped converter is very recent. It presents good features such as high quality output voltage, high modularity ...
Ponencia
A SVM-3D generalized algorithm for multilevel converters
(2003)
A novel three dimensional space vector algorithm of multilevel converters for compensating harmonics and homopolar component in system with neutral is presented. This generalized method provides an online computation of ...
Ponencia
Controller design for a single-phase two-cell multilevel cascade H-bridge converter
(IEEE, 2008)
In this paper is studied the single-phase two-cell multilevel cascade H-bridge power converter connected to the grid, acting as a synchronous rectifier. The power exchange process between the cells of the converter and the ...
Ponencia
Implementation of a closed loop SHMPWM technique for three level converters
(IEEE, 2008)
High power converters are built using high-voltage and high-current rated semiconductors. The commutation of these devices imply large amounts of energy per cycle leading to very low switching frequency in order to avoid ...
Ponencia
Guidelines for Weighting Factors Design in Model Predictive Control of Power Converters and Drives
(IEEE, 2009)
Model Predictive Control with a finite control set 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 ...