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Mostrando ítems 11-20 de 22
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
Optimization-Based Capacitor Balancing Method with Customizable Switching Reduction for CHB Converters
(MDPI, 2022-03)
This paper presents a method for switching reduction in cascaded H-bridge converters. Given the wide applicability of this topology, it would be especially desirable to increase its efficiency with switching losses reduction ...
Artículo
Novel control system based in DSPs for 800 KW wind power station
(European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ), 2004)
Wind energy conversion is a very mature technology. Its applications are widely accepted all over the world. Consequently, a tendency to erect more wind turbines can be observed. Therefore, wind turbines may gradually ...
Artículo
Optimal sizing and operation of hybrid renewable power plants participating in coupled power markets with different execution times
(MDPI, 2023)
The increasing limitations in the use of fossil fuels due to their limited availability and pollution have increased the use of renewable energies and storage systems for electricity generation. To achieve the goals of ...
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
A New Fast Peak Current Controller for Transient Voltage Faults for Power Converters
(MDPI, 2015-12-22)
Power converters are the basic unit for the transient voltage fault ride through capability for most renewable distributed generators (DGs). When a transient fault happens, the grid voltage will drop suddenly and probably ...
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 ...
Artículo
Feed-forward Space Vector Modulation for Single-Phase Multilevel Cascade Converters with any DC voltage ratio
(Institute of Electrical and Electronics Engineers (IEEE), 2009)
Modulation techniques for multilevel converters can create distorted output voltages and currents if the DC link voltages are unbalanced. This situation can be avoided if the instantaneous DC voltage error is not taken ...
Artículo
New space vector modulation algorithms applied to multilevel converters with balanced DC-link voltage
(Holon Academic Institute of Technology, 2005)
This work presents a survey of new space vector modulation algorithms for high power voltage source multilevel converters. These techniques provide the nearest switching vectors sequence to the reference vector and calculates ...