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D-Index & Metrics

Electronics and Electrical Engineering

D-Index
44
Citations
8207
World Ranking
3722
National Ranking
59

Overview

Oscar Lopez is affiliated with Universidade de Vigo in Spain, focusing on research in engineering, particularly within electrical and electronic engineering, control and systems engineering, and mechanical engineering.

The scientist's main research topics include:

  • Multilevel Inverters and Converters
  • Silicon Carbide Semiconductor Technologies
  • HVDC Systems and Fault Protection
  • Microgrid Control and Optimization
  • Induction Heating and Inverter Technology
  • Electric Motor Design and Analysis
  • Sensorless Control of Electric Motors

Oscar Lopez has published extensively, with 30 publications in the field of engineering. The majority of the research appears in the following venues:

  • IEEE Transactions on Power Electronics
  • Machines
  • IEEE Journal of Emerging and Selected Topics in Power Electronics
  • IEEE Transactions on Industrial Electronics

Several recent papers illustrate the scope of the research activity:

  • "A Comprehensive Survey on Fault Tolerance in Multiphase AC Drives, Part 1: General Overview Considering Multiple Fault Types" (2022) in Machines
  • "A Comprehensive Survey on Fault Tolerance in Multiphase AC Drives, Part 2: Phase and Switch Open-Circuit Faults" (2022) in Machines
  • "Discrimination Between Eccentricity and Interturn Faults Using Current or Voltage-Reference Signature Analysis in Symmetrical Six-Phase Induction Machines" (2022) in IEEE Transactions on Power Electronics
  • "Assessment and Exploitation of the Minimum Current Harmonic Distortion Under Overmodulation in Five-Phase Induction Motor Drives" (2023) in IEEE Transactions on Power Electronics
  • "Postfault Operation Strategy for Cascaded H-Bridge Inverters Driving a Multiphase Motor" (2023) in IEEE Transactions on Industrial Electronics

Frequent coauthors collaborating with Oscar Lopez include:

  • Alejandro G. Yepes
  • Jesús Doval-Gandoy
  • Martín Medina
  • Ignacio González-Prieto
  • Mario J. Durán

The research emphasis on fault tolerance, inverter technologies, power electronics, and multiphase motor drives reflects a comprehensive involvement in electrical engineering challenges related to power conversion and motor control systems.

Best Publications

  • Effects of Discretization Methods on the Performance of Resonant Controllers

    Alejandro G Yepes;Francisco D Freijedo;Jesús Doval-Gandoy;Óscar López

  • Eliminating Ground Current in a Transformerless Photovoltaic Application

    O. Lopez;F.D. Freijedo;A.G. Yepes;P. Fernandez-Comesaa

  • Eliminating ground current in a transformerless photovoltaic application

    O. Lopez;R. Teodorescu;F. Freijedo;J. Doval-Gandoy

  • Analysis and Design of Resonant Current Controllers for Voltage-Source Converters by Means of Nyquist Diagrams and Sensitivity Function

    A. G. Yepes;F. D. Freijedo;O. Lopez;J. Doval-Gandoy

  • High-Performance Digital Resonant Controllers Implemented With Two Integrators

    A G Yepes;F D Freijedo;Óscar Lopez;Jesús Doval-Gandoy

  • Multilevel Multiphase Space Vector PWM Algorithm

    O. Lopez;J. Alvarez;J. Doval-Gandoy;F.D. Freijedo

  • Tuning of Phase-Locked Loops for Power Converters Under Distorted Utility Conditions

    F.D. Freijedo;J. Doval-Gandoy;O. Lopez;E. Acha

  • Assessment and Optimization of the Transient Response of Proportional-Resonant Current Controllers for Distributed Power Generation Systems

    A. Vidal;F. D. Freijedo;A. G. Yepes;P. Fernandez-Comesana

  • Tuning Method Aimed at Optimized Settling Time and Overshoot for Synchronous Proportional-Integral Current Control in Electric Machines

    Alejandro G. Yepes;Ana Vidal;Jano Malvar;Oscar Lopez

  • Leakage current evaluation of a singlephase transformerless PV inverter connected to the grid

    Oscar Lopez;Remus Teodorescu;Francisco Freijedo;Jesus DovalGandoy

  • Comparison of the FPGA Implementation of Two Multilevel Space Vector PWM Algorithms

    O. Lopez;J. Alvarez;J. Doval-Gandoy;F.D. Freijedo

  • Parameter Identification of Multiphase Induction Machines With Distributed Windings—Part 1: Sinusoidal Excitation Methods

    A. G. Yepes;J. A. Riveros;J. Doval-Gandoy;F. Barrero

  • A Signal-Processing Adaptive Algorithm for Selective Current Harmonic Cancellation in Active Power Filters

    F.D. Freijedo;J. Doval-Gandoy;O. Lopez;P. Fernandez-Comesana

  • Multilevel transformerless topologies for single-phase grid-connected converters

    Oscar Lopez;Remus Teodorescu;Jesus Doval-Gandoy

  • Control Strategy for Multiphase Drives With Minimum Losses in the Full Torque Operation Range Under Single Open-Phase Fault

    Fernando Baneira;Jesus Doval-Gandoy;Alejandro G. Yepes;Oscar Lopez

  • A Generic Open-Loop Algorithm for Three-Phase Grid Voltage/Current Synchronization With Particular Reference to Phase, Frequency, and Amplitude Estimation

    F.D. Freijedo;J. Doval-Gandoy;O. Lopez;E. Acha

  • Multilevel Multiphase Space Vector PWM Algorithm With Switching State Redundancy

    O. Lopez;J. Alvarez;J. Doval-Gandoy;F.D. Freijedo

  • A Comprehensive Survey on Fault Tolerance in Multiphase AC Drives, Part 1: General Overview Considering Multiple Fault Types

    Unknown

  • Parameter Identification of Multiphase Induction Machines With Distributed Windings—Part 2: Time-Domain Techniques

    J. A. Riveros;A. G. Yepes;F. Barrero;J. Doval-Gandoy

  • Three-Phase PLLs With Fast Postfault Retracking and Steady-State Rejection of Voltage Unbalance and Harmonics by Means of Lead Compensation

    Francisco D Freijedo;Alejandro G Yepes;Óscar López;A Vidal

  • Current distribution control design for paralleled DC/DC converters using sliding-mode control

    M. Lopez;L.G. de Vicuna;M. Castilla;P. Gaya

Frequent Co-Authors

Jesus Doval-Gandoy
Jesus Doval-Gandoy Universidade de Vigo
Alejandro G. Yepes
Alejandro G. Yepes Universidade de Vigo
Francisco D. Freijedo
Francisco D. Freijedo Huawei Technologies (Germany)
Miguel Castilla
Miguel Castilla Universitat Politècnica de Catalunya
Jose Matas
Jose Matas Universitat Politècnica de Catalunya
Emil Levi
Emil Levi Liverpool John Moores University
Martin Jones
Martin Jones Liverpool John Moores University
Remus Teodorescu
Remus Teodorescu Aalborg University
Enrique Acha
Enrique Acha Tampere University
Jaume Miret
Jaume Miret Universitat Politècnica de Catalunya

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