Buscar
Mostrando ítems 1-10 de 14
Artículo
Power-electronic systems for the grid integration of renewable energy sources: a survey
(Institute of Electrical and Electronics Engineers (IEEE), 2006)
The use of distributed energy resources is increasingly being pursued as a supplement and an alternative to large conventional central power stations. The specification of a powerelectronic interface is subject to ...
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 ...
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
Multilevel Converters: An Enabling Technology for High-Power Applications
(Institute of Electrical and Electronics Engineers, 2009)
| Multilevel converters are considered today as the state-of-the-art power-conversion systems for high-power and power-quality demanding applications. This paper presents a tutorial on this technology, covering the ...
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 ...
Artículo
Voltage balancing in three-level neutral-point-clamped converters via Luenberger observer
(2014)
This paper addresses the problems associated with the dc-link capacitor voltages of the three-level neutral-point-clamped power converter: the imbalance of the capacitor voltages as well as the presence of an ac-voltage ...
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
Common-Mode Voltage Mitigation Technique in Motor Drive Applications by Applying a Sampling-Time Adaptive Multi-Carrier PWM Method
(Institute of Electrical and Electronics Engineers IEEE, 2021)
Common-mode voltage (CMV) in electric drives causes leakage current causing consequently EMI problems, loss and reduction of their components' lifetime. Several solutions have been proposed which usually lead to higher ...
Artículo
Selective Harmonic Mitigation Technique for High-Power Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
In high-power applications, the maximum switching frequency is limited due to thermal losses. This leads to highly distorted output waveforms. In such applications, it is necessary to filter the output waveforms using bulky ...
Artículo
Variable-Angle Phase-Shifted PWM for Multilevel Three-Cell Cascaded H-bridge Converters
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Multilevel cascaded H-bridge converters have become a mature technology for applications where high-power medium ac voltages are required. Normal operation of multilevel cascaded H-bridge converters assumes that all power ...