Óscar Lopez

25 papers C 7Journal 17Unranked 1
YearRankTypeTitle / Venue / Authors
2024 J jnl
Postfault Operation Strategy for Cascaded H-Bridge Inverters Driving a Multiphase Motor.
IEEE Trans. Ind. Electron.
Óscar Lopez, Tomás Komrska, Jacobo Álvarez, Lukás Adam, Alejandro G. Yepes, Martín Medina-Sánchez, Jesús Doval-Gandoy
2020 J jnl
Carrier-Based PWM Equivalent to Multilevel Multiphase Space Vector PWM Techniques.
IEEE Trans. Ind. Electron.
Óscar Lopez, Jacobo Álvarez, Alejandro G. Yepes, Fernando Baneira, Diego Pérez-Estévez, Francisco D. Freijedo, Jesús Doval-Gandoy
2016 J jnl
Selection Criteria of Multiphase Induction Machines for Speed-Sensorless Drives Based on Rotor Slot Harmonics.
IEEE Trans. Ind. Electron.
Alejandro G. Yepes, Fernando Baneira, Jano Malvar, Ana Vidal, Diego Pérez-Estévez, Óscar Lopez, Jesús Doval-Gandoy
2015 J jnl
Current Harmonics Compensation Based on Multiresonant Control in Synchronous Frames for Symmetrical n-Phase Machines.
IEEE Trans. Ind. Electron.
Alejandro G. Yepes, Jano Malvar, Ana Vidal, Óscar Lopez, Jesús Doval-Gandoy
2015 J jnl
Tuning of Synchronous-Frame PI Current Controllers in Grid-Connected Converters Operating at a Low Sampling Rate by MIMO Root Locus.
IEEE Trans. Ind. Electron.
Francisco D. Freijedo, Ana Vidal, Alejandro G. Yepes, Josep M. Guerrero, Óscar Lopez, Jano Malvar, Jesús Doval-Gandoy
2014 J jnl
Evaluation of Techniques for Cross-Coupling Decoupling Between Orthogonal Axes in Double Synchronous Reference Frame Current Control.
IEEE Trans. Ind. Electron.
Alejandro G. Yepes, Ana Vidal, Óscar Lopez, Jesús Doval-Gandoy
2014 J jnl
Graphical Diagram for Subspace and Sequence Identification of Time Harmonics in Symmetrical Multiphase Machines.
IEEE Trans. Ind. Electron.
Jano Malvar, Óscar Lopez, Alejandro G. Yepes, Ana Vidal, Francisco D. Freijedo, Pablo Fernandez-Comesana, Jesús Doval-Gandoy
2013 J jnl
Assessment and Optimization of the Transient Response of Proportional-Resonant Current Controllers for Distributed Power Generation Systems.
IEEE Trans. Ind. Electron.
Ana Vidal, Francisco D. Freijedo, Alejandro G. Yepes, Pablo Fernandez-Comesana, Jano Malvar, Óscar Lopez, Jesús Doval-Gandoy
2013 C conf
Current harmonic compensation in symmetrical multiphase machines by resonant controllers in synchronous reference frames - Part 1: Extension to any phase number.
IECON
Alejandro G. Yepes, Jano Malvar, Ana Vidal, Óscar Lopez, Jesús Doval-Gandoy
2013 C conf
Current harmonic compensation in symmetrical multiphase machines by resonant controllers in synchronous reference frames - Part 2: Computational load.
IECON
Alejandro G. Yepes, Jano Malvar, Ana Vidal, Óscar Lopez, Jesús Doval-Gandoy
2013 C conf
Interactions between time and spatial harmonics in a series-connected five-phase two-motor drive.
IECON
Jano Malvar, Óscar Lopez, Alejandro G. Yepes, Ana Vidal, Jesús Doval-Gandoy
2012 C conf
Harmonic subspace and sequence mapping in a series-connected six-phase two-motor drive.
IECON
Jano Malvar, Alejandro G. Yepes, Ana Vidal, Pablo Fernandez-Comesana, Francisco D. Freijedo, Óscar Lopez, Jesús Doval-Gandoy
2012 C conf
Multiphase space vector control modulation technique for voltage source converters.
IECON
Óscar Lopez, Jacobo Álvarez, Jano Malvar, Alejandro G. Yepes, Ana Vidal, Pablo Fernandez-Comesana, Francisco D. Freijedo, Jesús Doval-Gandoy
2012 C conf
Transient response assessment of vector PI current controllers in renewable energy applications.
IECON
Ana Vidal, Francisco D. Freijedo, Alejandro G. Yepes, Jano Malvar, Óscar Lopez, Jesús Doval-Gandoy
2011 J jnl
An Optimized Implementation of Phase Locked Loops for Grid Applications.
IEEE Trans. Instrum. Meas.
Francisco D. Freijedo, Alejandro G. Yepes, Óscar Lopez, Pablo Fernandez-Comesana, Jesús Doval-Gandoy
2011 J jnl
Analysis and Design of Resonant Current Controllers for Voltage-Source Converters by Means of Nyquist Diagrams and Sensitivity Function.
IEEE Trans. Ind. Electron.
Alejandro G. Yepes, Francisco D. Freijedo, Óscar Lopez, Jesús Doval-Gandoy
2011 J jnl
Digital Parameterizable VHDL Module for Multilevel Multiphase Space Vector PWM.
IEEE Trans. Ind. Electron.
Jacobo Álvarez, Óscar Lopez, Francisco D. Freijedo, Jesús Doval-Gandoy
2011 J jnl
Multidimensional Two-Level Multiphase Space Vector PWM Algorithm and Its Comparison With Multifrequency Space Vector PWM Method.
IEEE Trans. Ind. Electron.
Óscar Lopez, Drazen Dujic, Martin Jones, Francisco D. Freijedo, Jesús Doval-Gandoy, Emil Levi
2010 J jnl
Multilevel Multiphase Feedforward Space-Vector Modulation Technique.
IEEE Trans. Ind. Electron.
Jose Ignacio León Galván, Óscar Lopez, Leopoldo García Franquelo, Jesús Doval-Gandoy, Sergio Vazquez, Jacobo Álvarez, Francisco D. Freijedo
2009 J jnl
A Signal-Processing Adaptive Algorithm for Selective Current Harmonic Cancellation in Active Power Filters.
IEEE Trans. Ind. Electron.
Francisco D. Freijedo, Jesús Doval-Gandoy, Óscar Lopez, Pablo Fernandez-Comesana, Carlos Martinez-Peñalver
2009 J jnl
Multilevel Multiphase Space Vector PWM Algorithm With Switching State Redundancy.
IEEE Trans. Ind. Electron.
Óscar Lopez, Jacobo Álvarez, Jesús Doval-Gandoy, Francisco D. Freijedo
2008 J jnl
Comparison of the FPGA Implementation of Two Multilevel Space Vector PWM Algorithms.
IEEE Trans. Ind. Electron.
Óscar Lopez, Jacobo Álvarez, Jesús Doval-Gandoy, Francisco D. Freijedo, Andres Nogueiras, Alfonso Lago, Carlos Martinez-Peñalver
2008 C conf
Harmonic Identification Methods Based on Moving Average Filters for Active Power Filters.
IAS
Francisco D. Freijedo, Jesús Doval-Gandoy, Óscar Lopez, Jacobo Cabaleiro
2008 J jnl
Multilevel Multiphase Space Vector PWM Algorithm.
IEEE Trans. Ind. Electron.
Óscar Lopez, Jacobo Álvarez, Jesús Doval-Gandoy, Francisco D. Freijedo
2006 — conf
FPGA implementation of a fuzzy controller for automobile DC-DC converters.
FPT
Jacobo Álvarez, Alfonso Lago, Andres Nogueiras, Carlos Martinez-Peñalver, Jorge Marcos, Jesús Doval-Gandoy, Óscar Lopez