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Mostrando ítems 1-10 de 12
Artículo
Analysis of the power balance In the cells of a multilevel cascaded H-Bridge converter
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
Multilevel cascaded H-Bridge converters (CHB) have been presented as a good solution for high power applications. In this way, several control and modulation techniques have been proposed for this power converter topology. ...
Ponencia
A 800 kW wind-diesel test bench based on the MADE AE-52 variable speed wind turbine
(IEEE Xplore, 2003)
A field work have been made about the practical installation of a wind-diesel autonomous power system. A remarkable innovation on the control of the latter wind-diesel system is the ability of taking advantage of the kinetic ...
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 ...
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
Conventional Space-Vector Modulation Techniques versus the Single-Phase Modulator for Multilevel Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
Space-vector modulation is a well-suited technique to be applied to multilevel converters and is an important research focus in the last 25 years. Recently, a single-phase multilevel modulator has been introduced showing ...
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 ...
Artículo
Multi-dimensional modulation technique for cascaded multilevel converters
(Institute of Electrical and Electronics Engineers (IEEE), 2009)
Multilevel cascaded H-bridge converters have found industrial application in the medium voltage high power range. In this paper, a generalized modulation technique for this type of converters based on a multi-dimensional ...
Artículo
A Model-Based Direct Power Control for Three-Phase Power Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2008)
Direct Power Control (DPC) technique has been widely used as control strategy for three-phase power rectifiers due to its simplicity and good performance. The DPC uses the instantaneous active and reactive power to ...
Artículo
Adaptive Vectorial Filter for Grid Synchronization of Power Converters Under Unbalanced and/or Distorted Grid Conditions
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
This paper presents a new synchronization scheme for detecting multiple positive-/negative-sequence frequency harmonics in three-phase systems for grid-connected power converters. The proposed technique is called MAVF-FLL ...
Artículo
Unidimensional modulation technique for cascaded multilevel converters
(Institute of Electrical and Electronics Engineers (IEEE), 2009)
This paper presents a simple and low computational cost modulation technique for multilevel cascaded H-bridge converters. The technique is based on geometrical considerations considering an unidimensional control region ...