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- Eduardo E. Espinosa, JosÃ© R. Espinoza, +4 authors Luis A. MorÃ¡n
- IEEE Transactions on Industry Applications
- 2014

An asymmetric inverter features different dc-link voltages for each power cell and depending on the dc voltage ratios, there are binary, trinary, etc., asymmetric topologies. In particular, theâ€¦ (More)

- Roberto O. Ramirez, JosÃ© R. Espinoza, Felipe Villarroel, Eduardo Maurelia, Marcelo E. Reyes
- IEEE Transactions on Industrial Electronics
- 2013

This work presents a new control scheme based on a finite states Model Predictive Control aimed to fix the switching frequency and to reduce the spectrum dispersion on the output variables of pulseâ€¦ (More)

- Roberto O. Ramirez, JosÃ© R. Espinoza, +4 authors Eduardo Maurelia
- IEEE Transactions on Industrial Informatics
- 2014

In the last decades, finite control set-model predictive control (FCS-MPC) has been extensively investigated. This control strategy uses the system model to determine the optimal input that minimizesâ€¦ (More)

- P. E. Melin, J. R. Espinoza, Carlos R. Baier, Jaime A. Rohten, Roberto O. Ramirez, L. A. Moran
- IECON 2012 - 38th Annual Conference on IEEEâ€¦
- 2012

The main drawback of a Multi-Cell topology based on Current Source Converters is the oscillating power drained by the single-phase inverters from the DC link which requires a large DC reactor inâ€¦ (More)

- Eduardo E. Espinosa, JosÃ© R. Espinoza, +4 authors Carlos R. Baier
- IECON 2013 - 39th Annual Conference of the IEEEâ€¦
- 2013

Multi-cell converters allow the use of AC motor drives for medium and high voltage level applications using low voltage semiconductors. This type of converter has a multi-pulse transformer whichâ€¦ (More)

- Roberto O. Ramirez, J. R. Espinoza, P. E. Melin, Felipe Andres Cruz Villarroel, E. E. Espinosa, M. E. Rivera
- IECON 2012 - 38th Annual Conference on IEEEâ€¦
- 2012

Multi-cell topologies based on three-phase input/singlephase output power modules have the drawback of dealing with an important oscillatory power in the DC link. This requires the use of a large DCâ€¦ (More)

- E. E. Espinosa, JosÃ© R. Espinoza, Felipe Andres Cruz Villarroel, Javier A. MuÃ±oz, P. E. Melin, Roberto O. Ramirez
- IECON 2012 - 38th Annual Conference on IEEEâ€¦
- 2012

The asymmetric multi-cell inverters are an alternative to provide an AC voltage with low THD. Considering a voltage DC ratio 1: 3: 9 for three inverters connected in series an AC voltage featuring 27â€¦ (More)

- Eduardo E. Espinosa, JosÃ© R. Espinoza, +4 authors Johan I. Guzman
- IECON 2013 - 39th Annual Conference of the IEEEâ€¦
- 2013

Multilevel inverters are the alternative for medium voltage applications. Within the inverters types there are symmetric and asymmetric topologies. The asymmetric inverters have different DC voltageâ€¦ (More)

- Eduardo E. Espinosa, JosÃ© R. Espinoza, +4 authors Pedro E. Melin
- IECON 2014 - 40th Annual Conference of the IEEEâ€¦
- 2014

Multilevel converters are widely used in medium voltage applications. One of the most popular topologies in this field is the 18 pulses diode rectifier, which uses a muItipuIse transformer thatâ€¦ (More)

- Eduardo Maurelia, JosÃ© R. Espinoza, +4 authors Javier A. MuÃ±oz
- IECON 2013 - 39th Annual Conference of the IEEEâ€¦
- 2013

Nowadays Finite-Control-Set Model Predictive Control (FCS-MPC) is being successfully used in static power converters. The algorithm requires defining a functional in order to optimize it and thusâ€¦ (More)