All Stories

  1. Distributed control based on the consensus algorithm for the efficient charging of electric vehicles

    Article • Electric Power Systems Research, May 2023, Elsevier

    Dr Fernando Lessa Tofoli

  2. Three‐phase bidirectional isolated LLC resonant DC‐DC converter for DC microgrid applications

    Article • International Journal of Circuit Theory and Applications, April 2023, Wiley

    Dr Fernando Lessa Tofoli

  3. Novel Isolated Multiple-Input, Multiple-Output Multidirectional Converter for Modern Low-Voltage DC Power Distribution Architectures

    Article • Sustainability, March 2023, MDPI AG

    Dr Fernando Lessa Tofoli

  4. Smart Protection System for Microgrids Based on an Adaptive Algorithm

    Article • Energies, February 2023, MDPI AG

    Dr Fernando Lessa Tofoli, Professor Giovanni Cordeiro Barroso

  5. Synchronverter-based frequency control technique applied in wind energy conversion systems based on the doubly-fed induction generator

    Article • Electric Power Systems Research, January 2023, Elsevier

    Dr Fernando Lessa Tofoli

  6. Adaptive fuzzy directional bat algorithm for the optimal coordination of protection systems based on directional overcurrent relays

    Article • Electric Power Systems Research, October 2022, Elsevier

    Dr Fernando Lessa Tofoli

  7. Family of Non-Isolated High Step-Up DC–DC Converters Based on the Multi-State Switching Cell

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

    Dr Fernando Lessa Tofoli

  8. Family of single‐phase high‐frequency isolated AC–AC converters

    Article • International Journal of Circuit Theory and Applications, September 2022, Wiley

    Dr Fernando Lessa Tofoli

  9. Wheel Slip Control Applied to an Electric Tractor for Improving Tractive Efficiency and Reducing Energy Consumption

    Article • Sensors, June 2022, MDPI AG

    Dr Fernando Lessa Tofoli

  10. Single-Phase Isolated AC-AC Converters Based on the Dual Active Bridge Converter

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

    Dr Fernando Lessa Tofoli

  11. Four-Port, Single-Stage, Multidirectional AC–AC Converter for Solid-State Transformer Applications

    Article • IEEE Transactions on Industrial Electronics, May 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  12. Nonisolated high step‐up DC‐DC interleaved SEPIC converter based on voltage multiplier cells

    Article • International Journal of Circuit Theory and Applications, April 2022, Wiley

    Dr Fernando Lessa Tofoli

  13. Thermal Analysis of Power Converters for DFIG-Based Wind Energy Conversion Systems during Voltage Sags

    Article • Energies, April 2022, MDPI AG

    Dr Fernando Lessa Tofoli

  14. Modified Artificial Potential Field for the Path Planning of Aircraft Swarms in Three-Dimensional Environments

    Article • Sensors, February 2022, MDPI AG

    Dr Fernando Lessa Tofoli

  15. Single-Phase Isolated AC–AC Symmetrical Full-Bridge Converter

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

    Dr Fernando Lessa Tofoli

  16. Maximum power point tracking technique based on sweeping the characteristic curve of the photovoltaic module

    Article • Sustainable Computing Informatics and Systems, January 2022, Elsevier

    Dr Fernando Lessa Tofoli

  17. Magnetic Integration in High-Frequency-Isolated AC-AC Interleaved Converters

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

    Dr Fernando Lessa Tofoli

  18. Bidirectional Isolated Asymmetrical Multilevel Inverter

    Article • IEEE Transactions on Circuits & Systems II Express Briefs, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  19. Non‐isolated high step‐up DC–DC converter based on coupled inductors, diode‐capacitor networks, and voltage multiplier cells

    Article • International Journal of Circuit Theory and Applications, November 2021, Wiley

    Dr Fernando Lessa Tofoli

  20. Novel differential power processing topology for the mitigation of mismatch in photovoltaic systems

    Article • Electronics Letters, November 2021, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli

  21. General Evaluation of Rectifier Arrangements for the Three-Phase DC/DC Converter

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

    Dr Fernando Lessa Tofoli

  22. Non‐isolated high step‐up / step‐down DC–DC quadratic Ćuk converter

    Article • International Transactions on Electrical Energy Systems, October 2021, Wiley

    Dr Fernando Lessa Tofoli

  23. Non‐isolated high step‐up/step‐down quadratic converter for light‐emitting diode driving

    Article • International Journal of Circuit Theory and Applications, April 2021, Wiley

    Dr Fernando Lessa Tofoli

  24. Switched Capacitor DC-DC Converters: A Survey on the Main Topologies, Design Characteristics, and Applications

    Article • Energies, April 2021, MDPI AG

    Dr Fernando Lessa Tofoli

  25. Non‐isolated single‐phase inverter based on an autotransformer for low‐power applications

    Article • International Journal of Circuit Theory and Applications, April 2021, Wiley

    Dr Fernando Lessa Tofoli

  26. Plotting Characteristic Curves of Photovoltaic Modules: A Simple and Portable Approach

    Article • IEEE Industry Applications Magazine, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  27. Improved and accurate low‐frequency average modelling and control of a conventional power factor correction boost converter in continuous conduction mode

    Article • IET Power Electronics, December 2020, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli

  28. In‐depth analysis of an RCD snubber applied to a DC‐DC boost converter

    Article • International Journal of Circuit Theory and Applications, December 2020, Wiley

    Dr Fernando Lessa Tofoli

  29. Reduced-order modeling approach for wind energy conversion systems based on the doubly-fed induction generator

    Article • Electric Power Systems Research, November 2020, Elsevier

    Dr Fernando Lessa Tofoli

  30. Three-phase phase-locked loop algorithm and application to a static synchronous compensator

    Article • Electric Power Systems Research, November 2020, Elsevier

    Dr Fernando Lessa Tofoli

  31. An integrated design approach of LCL filters based on nonlinear inductors for grid-connected inverter applications

    Article • Electric Power Systems Research, September 2020, Elsevier

    Dr Fernando Lessa Tofoli

  32. Household induction cooking system based on a grid-connected photovoltaic system

    Article • IET Circuits Devices & Systems, August 2020, the Institution of Engineering and Technology (the IET)

    Fernando Lessa Tofoli, Dr Fernando Lessa Tofoli

  33. Efficient two-stage offline driver for extra-high-current COB LED applications

    Article • Electrical Engineering, May 2020, Springer Science + Business Media

    Dr Fernando Lessa Tofoli

  34. Interleaved bidirectional DC–DC converter for electric vehicle applications based on multiple energy storage devices

    Article • Electrical Engineering, May 2020, Springer Science + Business Media

    Dr Fernando Lessa Tofoli

  35. Nonisolated DC–DC Converters With Wide Conversion Range for High-Power Applications

    Article • IEEE Journal of Emerging and Selected Topics in Power Electronics, March 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  36. Bidirectional Three-Level Stacked Neutral-Point-Clamped Converter for Electric Vehicle Charging Stations

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

    Dr Fernando Lessa Tofoli

  37. A Phase-Locked Loop Algorithm for Single-Phase Systems With Inherent Disturbance Rejection

    Article • IEEE Transactions on Industrial Electronics, December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  38. Novel conception of an electric propulsion system for a 9-kW electric tractor suitable to family farming

    Article • IET Electric Power Applications, July 2019, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli, Professor Fernando L. M. Antunes, Rodnei Melo

  39. Experimental evaluation of active power factor correction techniques in a single‐phase AC‐DC boost converter

    Article • International Journal of Circuit Theory and Applications, July 2019, Wiley

    Dr Fernando Lessa Tofoli

  40. Single‐switch, integrated DC–DC converter for high‐voltage step‐down applications

    Article • IET Power Electronics, June 2019, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli

  41. Development of A Small-Signal Model for The DC-DC Buck Converter Based on The Three-State Switching Cell

    Article • IEEE Latin America Transactions, April 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  42. A Survey on Topologies Based on The Three-State and Multi-State Switching Cells

    Article • IET Power Electronics, January 2019, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli, Douglas Tavares

  43. Modeling and Experimental Validation of a Single-Phase Series Active Power Filter for Harmonic Voltage Reduction

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

    Dr Fernando Lessa Tofoli

  44. Analysis of a static model for DC microgrids based on droop and MPPT control

    Article • International Transactions on Electrical Energy Systems, November 2018, Wiley

    Dr Fernando Lessa Tofoli

  45. A step-up/step-down direct current to direct current converter for high-power, high-current applications

    Article • International Journal of Circuit Theory and Applications, October 2018, Wiley

    Dr Fernando Lessa Tofoli

  46. Three-Phase Grid-Connected WECS With Mechanical Power Control

    Article • IEEE Transactions on Sustainable Energy, October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  47. Assessment of the ideality factor on the performance of photovoltaic modules

    Article • Energy Conversion and Management, July 2018, Elsevier

    Dr Fernando Lessa Tofoli

  48. A 3SSC-Based Nonisolated DC-DC Boost-Type Converter with Balanced Output Voltage and Wide Voltage Conversion Range

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

    Dr Fernando Lessa Tofoli

  49. A DC-DC buck-boost converter based on the three-state switching cell

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

    Dr Fernando Lessa Tofoli

  50. Analysis of a high power COB led light source driven by offline double-stage PFC converter

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

    Dr Fernando Lessa Tofoli

  51. Comparative analysis of basic single-stage non-isolated AC-DC topologies employed as high-current COB LED drivers

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

    Dr Fernando Lessa Tofoli

  52. Current multilevel pfc buck rectifier applied to a high-power COB LED driver

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

    Dr Fernando Lessa Tofoli

  53. Detailed design procedure of a DC-DC buck-boost converter employing a passive snubber

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

    Dr Fernando Lessa Tofoli

  54. Portable and low cost photovoltaic curve tracer

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

    Dr Fernando Lessa Tofoli

  55. Practical design of a DC-DC buck converter using an RCD snubber

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

    Dr Fernando Lessa Tofoli

  56. Small-signal model validation of a SEPIC converter based on the three-state switching cell in CCM using the PWM switch model

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

    Dr Fernando Lessa Tofoli

  57. A soft switching ZCS–ZVS double two-switch forward converter

    Article • Archiv für Elektrotechnik, June 2017, Springer Science + Business Media

    Dr Fernando Lessa Tofoli

  58. Application of ADALINE-based ARX model to control the DC-link voltage in resonant inverters used in induction cookers

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

    Dr Fernando Lessa Tofoli

  59. Evaluation of IGBT modules in ASDs submitted to overvoltage

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

    Dr Fernando Lessa Tofoli

  60. Comparison among mathematical models of the photovoltaic cell for computer simulation purposes

    Article • International Journal of Electronics, March 2017, Taylor & Francis

    Dr Fernando Lessa Tofoli

  61. Influence of series and shunt resistances in the ideality factor of photovoltaic modules

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

    Dr Fernando Lessa Tofoli

  62. Modeling, Digital Control, and Implementation of a Three-Phase Four-Wire Power Converter Used as a Power Redistribution Device

    Article • IEEE Transactions on Industrial Informatics, June 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  63. Analysis of the low-frequency output current ripple in a buck-based LED driver under distinct control techniques

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

    Dr Fernando Lessa Tofoli

  64. Analysis, design, and implementation of soft-switching cells applied to the single-phase full-bridge inverter

    Article • IET Power Electronics, May 2016, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli

  65. Analysis and small-signal modeling of a nonisolated high voltage step-up dc-dc boost converter

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

    Dr Fernando Lessa Tofoli

  66. Application of the commutated power concept to the classical isolated dc-dc converters

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

    Dr Fernando Lessa Tofoli

  67. Comparison of control techniques used in power factor correction rectifiers

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

    Dr Fernando Lessa Tofoli

  68. High-voltage gain dc–dc boost converter with coupled inductors for photovoltaic systems

    Article • IET Power Electronics, October 2015, the Institution of Engineering and Technology (the IET)

    Professor Fernando L. M. Antunes, Dr Fernando Lessa Tofoli

  69. Survey on non-isolated high-voltage step-up dc–dc topologies based on the boost converter

    Article • IET Power Electronics, October 2015, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli

  70. Novel bidirectional DC–DC converters based on the three-state switching cell

    Article • International Journal of Electronics, August 2015, Taylor & Francis

    Dr Fernando Lessa Tofoli

  71. Analysis of high voltage step-up nonisolated DC–DC boost converters

    Article • International Journal of Electronics, August 2015, Taylor & Francis

    Dr Fernando Lessa Tofoli

  72. Low cost wind energy conversion system based on the discontinuous conduction mode three-phase semi-controlled rectifier

    Article • IET Power Electronics, June 2015, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli

  73. Soft switching high-voltage gain dc–dc interleaved boost converter

    Article • IET Power Electronics, January 2015, the Institution of Engineering and Technology (the IET)

    Dr Fernando Lessa Tofoli

  74. Comparative Study of Maximum Power Point Tracking Techniques for Photovoltaic Systems

    Article • International Journal of Photoenergy, January 2015, Hindawi Publishing Corporation

    Dr Fernando Lessa Tofoli

  75. Comparative study of high power factor boost rectifiers in continuous conduction mode

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

    Dr Fernando Lessa Tofoli

  76. An extensive review of nonisolated DC-DC boost-based converters

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

    Dr Fernando Lessa Tofoli

  77. A Nonisolated DC–DC Boost Converter With High Voltage Gain and Balanced Output Voltage

    Article • IEEE Transactions on Industrial Electronics, December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  78. Comprehensive review of high power factor ac-dc boost converters for PFC applications

    Article • International Journal of Electronics, November 2014, Taylor & Francis

    Dr Fernando Lessa Tofoli

  79. DC–DC Nonisolated Boost Converter Based on the Three-State Switching Cell and Voltage Multiplier Cells

    Article • IEEE Transactions on Industrial Electronics, October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  80. DC-DC nonisolated boost converter with high voltage gain adequate for split-capacitor inverter applications

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

    Dr Fernando Lessa Tofoli

  81. Modelling of nonisolated high-voltage gain boost converters using the PWM switch model

    Article • International Journal of Electronics, July 2013, Taylor & Francis

    Dr Fernando Lessa Tofoli

  82. Comparative analysis between overlapping and non-overlapping operation modes for the PWM buck converter using the three-state switching cell

    Article • International Journal of Electronics, May 2013, Taylor & Francis

    Dr Fernando Lessa Tofoli

  83. A DC–DC Converter Based on the Three-State Switching Cell for High Current and Voltage Step-Down Applications

    Article • IEEE Transactions on Power Electronics, January 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  84. ZVS bidirectional isolated three-phase DC-DC converter with dual phase-shift and variable duty cycle

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

    Dr Fernando Lessa Tofoli

  85. Novel Nonisolated High-Voltage Gain DC–DC Converters Based on 3SSC and VMC

    Article • IEEE Transactions on Power Electronics, September 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  86. Power Factor Correction Boost Converter Based on the Three-State Switching Cell

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

    Dr Fernando Lessa Tofoli

  87. Piezoelectric actuators applied to neutralize mechanical vibrations

    Article • Journal of Vibration and Control, October 2011, SAGE Publications

    Dr Fernando Lessa Tofoli

  88. Comparison of nonisolated dc-dc converters from the efficiency point of view

    Article • September 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  89. Analysis, Design, and Experimentation of a Double Forward Converter With Soft Switching Characteristics for All Switches

    Article • IEEE Transactions on Power Electronics, August 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  90. Two-stage single-phase grid-connected photovoltaic system with reduced complexity

    Article • International Journal of Electronics, June 2011, Taylor & Francis

    Dr Fernando Lessa Tofoli

  91. An efficient switch-mode power supply using an AC-DC interleaved boost converter and a DC-DC full-bridge topology

    Article • International Journal of Electronics, April 2011, Taylor & Francis

    Dr Fernando Lessa Tofoli

  92. Study, Design and Implementation of a High Efficiency AC-DC-AC SMPS with Soft Switching Characteristics

    Article • January 2011, ACTA Press

    Dr Fernando Lessa Tofoli

  93. Case Study: Hydroelectric Generation Employing the Water Distribution Network in Pato Branco, Brazil

    Article • January 2011, ACTA Press

    Dr Fernando Lessa Tofoli

  94. A Grid-Connected PV System based on the Buck Converter

    Article • January 2011, ACTA Press

    Dr Fernando Lessa Tofoli

  95. Two-Stage Isolated Switch-Mode Power Supply With High Efficiency and High Input Power Factor

    Article • IEEE Transactions on Industrial Electronics, November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli, Professor Antonio Carlos Lessa

  96. A review of single-phase PFC topologies based on the boost converter

    Article • November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  97. A high power factor rectifier associated with a ZCZVS PWM full-bridge inverter in a rectifier/inverter system

    Article • June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  98. A Passive Lossless Snubber Applied to the AC–DC Interleaved Boost Converter

    Article • IEEE Transactions on Power Electronics, March 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  99. Non-isolated DC-DC converters with wide conversion range used to drive high-brightness LEDs

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  100. A low cost single-phase grid-connected photovoltaic system with reduced complexity

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  101. A switched-mode power supply using a boost-flyback converter and an interleaved soft-switching forward topology

    Article • June 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  102. Proposal of a Soft-Switching Single-Phase Three-Level Rectifier

    Article • IEEE Transactions on Industrial Electronics, January 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  103. Analysis and Evaluation of Residential Air Conditioners for Power System Studies

    Article • IEEE Transactions on Power Systems, May 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  104. On the Study of Losses in Cables and Transformers in Nonsinusoidal Conditions

    Article • IEEE Transactions on Power Delivery, April 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  105. A High-Power-Factor Half-Bridge Doubler Boost Converter Without Commutation Losses

    Article • IEEE Transactions on Industrial Electronics, October 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  106. A unity power factor single-phase three-level rectifier associated with a passive nondissipative snubber

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  107. Proposal of a SMPS with AC output voltage employing a quadratic boost converter, a new topology of soft-switched two-switch forward converter and a new topology of PWM three-level half-bridge inverter

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  108. A ZCZVT PWM three-level full-bridge McMurray inverter

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  109. A switched-mode power supply employing a quadratic boost converter and a soft-switched two-switch forward converter

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  110. A novel high power factor switched-mode power supply employing an interleaved boost-flyback converter and a ZCZVS PWM full-bridge McMurray inverter

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  111. A new topology of three-level half bridge inverter

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  112. A new topology of soft-switched two-gwd'itch forward converter and a new topology of PWM three-level half-bridge inverter

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  113. Association of a ZCZVS PWM three-level full-bridge McMurray inverter and an auxiliary power supply

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli

  114. A high power factor power supply employing a self-oscillating converter to supply control circuitry

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fernando Lessa Tofoli