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Mostrando ítems 11-20 de 28
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 ...
Ponencia
Fuzzy logic application for improving speed control and captured energy using the wind speed information for wind turbines
(2001)
This paper describes a fuzzy logic application for improving the variable speed and blade pitch wind turbine performance. The simulated model is going to be implemented using a programmable logic controller as the fuzzy ...
Ponencia
DSP and FPGA based system to control a wind turbine generator implementing a variable speed vectorial control method
(1997)
The purpose of this paper is to describe a DSP and FPGA control system to implement a variable speed vectorial control. Two semi-systems, both of them consisting on a DSP, a FPGA and A/D, D/A & digital I/O’s are used. Each ...
Ponencia
New controllability criteria for 3-phase 4-wire inverters applied to shunt active power filters
(IEEE, 2002)
In shunt active filter applications, the 3-phase 4-wire topology is frequently used when dealing with unbalanced loads containing zero sequence components. A new design criteria for this topology is presented, based on the ...
Ponencia
A test-rig to evaluate a wind turbine generation control system based on DSP
(EPE Association, 1997-09)
Ponencia
A new fuzzy logic controller to improve the captured wind energy in a real 800 kW variable speed-variable pitch wind turbine
(2002)
This paper presents an application of fuzzy controllers for improving the captured wind energy and the performance of variable speed wind turbines using fuzzy controllers. The simulated fuzzy model has been satisfactorily ...
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 ...
Ponencia
Ponencia
Predictive middle point modulation: a new modulation method for parallel active filters
(2001)
When designing an Active filter, using a current-controlled voltage source inverter, there are two main tasks : to generate an appropiate reference, for nulling harmonic current and reactive power, ant, on the other side, ...