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  1. Bidirectional Onboard Chargers for Electric Vehicles: State-of-the-Art and Future Trends

    Article • IEEE Transactions on Power Electronics, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  2. Analysis of electro-thermal homogenisation for the fast and accurate modelling of windings in power electronics magnetic components

    Article • IEEE Transactions on Magnetics, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  3. Magnetically Controlled Transformer With Variable Turns Ratio and Low Series Inductance: Analysis and Implementation Toward Its Application in SMPS

    Article • IEEE Transactions on Power Electronics, November 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  4. Current development of electricity generation systems in the Galapagos Islands – Ecuador

    Article • Renewable Energy Focus, September 2023, Elsevier

    Prof. Wilmar Martinez

  5. Photovoltaic Power Forecast Using Deep Learning Techniques with Hyperparameters Based on Bayesian Optimization: A Case Study in the Galapagos Islands

    Article • Sustainability, August 2023, MDPI AG

    Prof. Wilmar Martinez

  6. Fuzzy logic-based energy management for isolated microgrid using meta-heuristic optimization algorithms

    Article • Applied Energy, April 2023, Elsevier

    Prof. Wilmar Martinez

  7. Assessing the Limits of Equivalent Circuit Models and Kalman Filters for Estimating the State of Charge: Case of Agricultural Robots

    Article • Energies, March 2023, MDPI AG

    Prof. Wilmar Martinez

  8. Future workplace EV charging architectures: DC and AC charging choices

    Article • March 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  9. A self-oscillating series-none inductive power transfer system using a matrix converter

    Article • Electrical Engineering, January 2023, Springer Science + Business Media

    Prof. Wilmar Martinez

  10. Average Current Control with Internal Model Control and Real-time Frequency Decoupling for Hybrid Energy Storage Systems in Microgrids

    Article • Journal of Modern Power Systems and Clean Energy, January 2023, Journal of Modern Power Systems and Clean Energy

    Prof. Wilmar Martinez

  11. Dual Active Bridge Converter With Variable Transformer for Wide Voltage and Wide Load Range Operation

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  12. Analysis of Wide Voltage Variation in LLC Converters Using Variable Transformers

    Article • November 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  13. Parameter Design Optimization for DC-DC Power Converters with Deep Reinforcement Learning

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  14. Parameter Extraction Technique for Evaluation of Inductive and Capacitive Elements of Three-Winding Coupled Inductor

    Article • IEEE Journal of Emerging and Selected Topics in Industrial Electronics, July 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  15. Analysis of two Equivalent Circuit Models for State of Charge Estimation using Kalman Filters

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  16. Deep Reinforcement Learning for DC-DC Converter Parameters Optimization

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  17. Energy management system for an isolated microgrid based on Fuzzy logic control and meta-heuristic algorithms

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  18. Linear Control Compensator for a Variable-Transformer in Wide-Voltage Power Converters

    Article • June 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  19. Information Length Quantification and Forecasting of Power Systems Kinetic Energy

    Article • IEEE Transactions on Power Systems, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof Eun-jin Kim, Prof. Wilmar Martinez

  20. Practical Framework for Optimal Planning of Isolated Rural Microgrids

    Article • January 2022, Springer Science + Business Media

    Prof. Wilmar Martinez

  21. Constrained Modulated Model Predictive Control for a Three-Phase Three-Level Voltage Source Inverter

    Article • IEEE Access, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  22. Comparative Analysis of the Performance of Maximum Power Point Tracking Algorithms in Photovoltaic Systems

    Article • January 2022, Springer Science + Business Media

    Prof. Wilmar Martinez

  23. Generalized predictive control strategy applied to a single-phase T-type voltage source inverter in stand-alone operation mode

    Article • November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  24. A hybrid generation system modeling for residential use in isolated areas of Ecuador

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  25. An energy management system for power exchange between multiple residential neighborhood microgrids

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  26. Comparison of two modulated model predictive control strategies applied to a three-level three-phase voltage source inverter

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  27. SoC Estimation Techniques for Efficient Agricultural Robots

    Article • October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  28. EV Overnight Charging Strategy in Residential Sector: Case of Winter Season in Quebec

    Article • Vehicles, September 2021, MDPI AG

    Prof. Wilmar Martinez

  29. Analysis and Validation of Variable Transformers

    Article • June 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  30. Dynamic matrix control for a single-phase inverter

    Article • June 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  31. Grid Frequency Estimation based on Extended Kalman Filter in Connected AC Microgrids

    Article • June 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  32. Impact of advanced inverter functions on low‐voltage power grids

    Article • IET Energy Systems Integration, April 2021, the Institution of Engineering and Technology (the IET)

    Prof. Wilmar Martinez

  33. On the perspective of grid architecture model with high TSO‐DSO interaction

    Article • IET Energy Systems Integration, March 2021, the Institution of Engineering and Technology (the IET)

    Prof. Wilmar Martinez

  34. A Comparison of Fuzzy-Based Energy Management Systems Adjusted by Nature-Inspired Algorithms

    Article • Applied Sciences, February 2021, MDPI AG

    Prof. Wilmar Martinez

  35. Data-Driven Trajectory Prediction of Grid Power Frequency Based on Neural Models

    Article • Electronics, January 2021, MDPI AG

    Prof. Wilmar Martinez

  36. Impact of the Photovoltaic Integration on the Hydrothermal Dispatch on Power Systems

    Article • January 2021, Springer Science + Business Media

    Prof. Wilmar Martinez

  37. Renewable Energy and Economic Dispatch Integration Within the Honduras Electricity Market

    Article • January 2021, Springer Science + Business Media

    Prof. Wilmar Martinez

  38. A Brief Approach of Microgrids Implementation in Ecuador: A Review

    Article • January 2021, Springer Science + Business Media

    Prof. Wilmar Martinez

  39. Analysis and Simulation of Double Resonant Path Converter with Variable Conversion Ratio

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  40. Non-synchronous Generation Impact on Frequency Response – A case from Albania

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  41. Optimal Value-based Prices Placement of DER and V2G using Planet Search Algorithm

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  42. Design of PCB Winding Based Integrated Magnetic Component for Interleaved DC-DC Converter

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  43. Design of a Bipolar DC Grid Fault Emulator

    Article • November 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  44. An Overview of Power Conversion Techniques and Topologies for DC-DC Voltage Regulation

    Article • October 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  45. Frequency Splitting in an LCLC Capacitive Wireless Power Transfer System for Electric Vehicle Charging

    Article • October 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  46. Multi-Objective Approach for Hydro Governors Control Tuning

    Article • October 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  47. Improvements on signal-to-noise ratio in feedback measurement in DC/DC converters

    Article • September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  48. Iron Loss Characteristics of MnZn Ferrites under GaN Inverter excitation in the MHz Order

    Article • September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  49. Gate Drivers Techniques and Solutions for GaN HEMTs in High Frequency Applications

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Kazuhiro Umetani, Prof. Wilmar Martinez

  50. Secondary-Side Center-Tapped Transformer Structure with One-Turn Secondary Coils Integrating Rectifier for Reducing Copper Loss of Forward Converter

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Kazuhiro Umetani, Prof. Wilmar Martinez

  51. Analysis of the Gradual Synthetic Inertia Control on Low-Inertia Power Systems

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  52. Iron Loss Evaluation of GaN PWM-Supplied Magnetic Cores for MHz Converters in More Electric Aircrafts - 400Hz case

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  53. Multi-agent Control Strategy for Microgrids using Petri Nets

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  54. Nadir Frequency Estimation in Low-Inertia Power Systems

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  55. Online Dynamic Assessment of System Stability using Unscented Kalman Filter

    Article • June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  56. Practical Considerations for Designing Reliable DC/DC Converters, Applied to a BIPV Case

    Article • Energies, February 2020, MDPI AG

    Prof. Wilmar Martinez

  57. Conversion Efficiency of the Buck Three-level DC-DC Converter in Unbalanced Bipolar DC Microgrids

    Article • IEEE Transactions on Power Electronics, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  58. Coupled Inductor Optimization of a High Step-up Interleaved Boost Converter

    Article • IEEJ Journal of Industry Applications, November 2019, Institute of Electrical Engineers of Japan (IEE Japan)

    Prof. Wilmar Martinez

  59. EMI Standard Compliance of Three-Phase Buck Type PFC Rectifier For Application in Aircraft

    Article • October 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  60. FEA based Model for High-Frequency Design Optimization of a Three-Winding Coupled Inductor for HSU Converters

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  61. Fast and Ultra-Fast Charging for Battery Electric Vehicles – A Review

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  62. Total Harmonic Distortion Analysis in Magnetic Characterization using High Frequency GaN Inverter in the MHz Order

    Article • September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  63. Current Measurement Issues of a High Frequency GaN Inverter in the MHz Order for Magnetic Characterization

    Article • March 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  64. Simulink Model for PWM-Supplied Laminated Magnetic Cores Including Hysteresis, Eddy-Current, and Excess Losses

    Article • IEEE Transactions on Power Electronics, February 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  65. Efficiency optimisation of an interleaved high step-up converter

    Article • The Journal of Engineering, January 2019, the Institution of Engineering and Technology (the IET)

    Prof. Wilmar Martinez

  66. Magnetic Design and Experimental Evaluation of a Commercially Available Single Integrated Transformer in Three-Phase LLC Resonant Converter

    Article • IEEE Transactions on Industry Applications, November 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  67. Common Mode Noise Analysis for a High Step-Up Converter with GaN Devices

    Article • September 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  68. Finite Element Methods for Multi-objective optimization of a High Step-up Interleaved Boost Converter

    Article • May 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  69. A Magnetic Design Method Considering DC-Biased Magnetization for Integrated Magnetic Components Used in Multiphase Boost Converters

    Article • IEEE Transactions on Power Electronics, April 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  70. Effect of Inductor Parasitic Resistances on the Voltage-Gain of High Step-Up DC-DC Converters for Electric Vehicle Applications

    Article • IET Power Electronics, January 2018, the Institution of Engineering and Technology (the IET)

    Prof. Wilmar Martinez

  71. Performance analysis of a transformerless solar inverter with modified PWM

    Article • November 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  72. Magnetic structure of close-coupled inductors to improve the thermal handling capability in interleaved DC-DC converter

    Article • October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  73. Total volume evaluation of high-power density non-isolated DC–DC converters with integrated magnetics for electric vehicles

    Article • IET Power Electronics, July 2017, the Institution of Engineering and Technology (the IET)

    Prof. Kazuhiro Umetani, jun imaoka, Prof. Wilmar Martinez

  74. Sampling frequency influence on magnetic characteristic evaluation under high frequency GaN inverter excitation

    Article • June 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  75. Current ripple modeling of an interleaved high step-up converter with coupled inductor

    Article • June 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  76. Design of an embedded hardware for motor control of a high performance electric vehicle

    Article • May 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  77. Control techniques for interleaved DC/DC converters with magnetic coupling

    Article • May 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  78. Iron-loss characteristics using a 1MHz GaNFET PWM inverter

    Article • April 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  79. A novel three-phase LLC resonant converter with integrated magnetics for lower turn-off losses and higher power density

    Article • March 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  80. Iron Loss Characteristics Evaluation Using a High Frequency GaN Inverter Excitation

    Article • IEEE Transactions on Magnetics, January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  81. Design of a 200kW electric powertrain for a high performance electric vehicle

    Article • Ingeniería e Investigación, December 2016, Universidad Nacional de Colombia

    Prof. Wilmar Martinez

  82. Reverse-recovery current reduction in a ZCS boost converter with saturable inductors using nanocrystalline core materials

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  83. Three-phase LLC resonant converter with integrated magnetics

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  84. Design of a four-phase interleaved boost circuit with closed-coupled inductors

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  85. Power loss analysis of multi-phase and modular interleaved boost DC-DC converters with coupled inductor for electric vehicles

    Article • September 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  86. Downsizing Effects of Integrated Magnetic Components in High Power Density DC–DC Converters for EV and HEV Applications

    Article • IEEE Transactions on Industry Applications, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  87. Efficiency optimization of a two-phase interleaved boost DC-DC converter for Electric Vehicle applications

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  88. Coupling Coefficient Improvement and Electromagnetic Induced Noise Reduction using Short-Circuited Winding for Loosely Coupled Inductor

    Article • IEEJ Journal of Industry Applications, January 2016, Institute of Electrical Engineers of Japan (IEE Japan)

    Prof. Wilmar Martinez

  89. Magnetic Analysis, Design, and Experimental Evaluations of Integrated Winding Coupled Inductors in Interleaved Converters

    Article • IEEJ Journal of Industry Applications, January 2016, Institute of Electrical Engineers of Japan (IEE Japan)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  90. High Step-Up Interleaved Converter for Renewable Energy and Automotive Applications

    Article • November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  91. A novel high step-down interleaved converter with coupled inductor

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  92. Analysis of output capacitor voltage ripple of the three-phase transformer-linked boost converter

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  93. An analysis of false turn-on mechanism on high-frequency power devices

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  94. Analysis and design of passive components for interleaved flyback converter with integrated transformer

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  95. Analysis of coupled-inductor configuration for an interleaved high step-up converter

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  96. ZCS interleaved boost converter with saturable inductors for reverse-recovery reduction

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  97. Volume comparison of DC-DC converters for electric vehicles

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  98. Feasible Evaluations of Coupled Multilayered Chip Inductor for POL Converters

    Article • IEEJ Journal of Industry Applications, January 2015, Institute of Electrical Engineers of Japan (IEE Japan)

    Prof. Wilmar Martinez

  99. Recovery-Less Boost Converter with Saturable Inductor for Electric Vehicle Applications

    Article • IEEJ Transactions on Industry Applications, January 2015, Institute of Electrical Engineers of Japan (IEE Japan)

    Prof. Wilmar Martinez

  100. Efficiency optimization of a single-phase boost DC-DC converter for electric vehicle applications

    Article • October 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  101. An analysis of false turn-on mechanism on power devices

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  102. High power density DC-DC converter for home energy management systems

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Kazuhiro Umetani, Prof. Wilmar Martinez

  103. A Novel Integrated Magnetic Core Structure Suitable for Transformer-Linked Interleaved Boost Chopper Circuit

    Article • IEEJ Journal of Industry Applications, January 2014, Institute of Electrical Engineers of Japan (IEE Japan)

    Prof. Wilmar Martinez

  104. Parasitic Resistance Analysis in a Novel High Step-Up Interleaved Converter for Hybrid Electric Vehicles

    Article • Journal of the Japan Institute of Power Electronics, January 2014, The Japan Institute of Power Electronics

    Prof. Wilmar Martinez, Prof. Kazuhiro Umetani

  105. High power density interleaved DC-DC converter for a high performance electric vehicle

    Article • July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  106. Design a DC-DC Converter for a High Performance Electric Vehicle

    Article • December 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez

  107. Sizing of ultracapacitors and batteries for a high performance electric vehicle

    Article • March 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Prof. Wilmar Martinez