João Fernandes

Publications

• Barriers and Challenges Going from Conventional to Cryogenic Superconducting Propulsion for Hybrid and All-Electric Aircrafts
• Optimization of the Guiding Stability of a Horizontal Axis HTS ZFC Radial Levitation Bearing
• La influencia de la máquina eléctrica en la eficiencia de las bombas trabajando como turbinas
• Micro-hídricas de bombas como turbinas na produção de hidroenergia
• A Fuzzy-Based Failure Modes and Effects Analysis (FMEA) in Smart Grids
• Hybrid A-EHS Method for Fast Computation in Superconducting Bulks
• Optimal Design of an Interior Permanent Magnet Synchronous Motor with Cobalt Iron Core
• Effects of the Heat Transfer Fluid Selection on the Efficiency of a Hybrid Concentrated Photovoltaic and Thermal Collector
• Recent Developments in Electrical Machine Design for the Electrification of Industrial and Transportation Systems
• Nanostructures for Solar Energy Harvesting
• Use of Bulk Superconductors in the Excitation System of Low-Speed Synchronous Generators
• 3D Equivalent Space-Varying Permeability Model of HTS Bulks for Computation of Electromagnetic Forces
• Numerical Evaluation of the Frequency-Dependent Impedance of Hemispherical Ground Electrodes through Finite Element Analysis
• Electromagnetic field in superconductor samples using a partitioned E-H finite element scheme
• Optimal energy efficiency of isolated PAT systems by SEIG excitation tuning
• Numerical and Experimental Analysis of the ZFC Heat Release from a YBCO Bulk and Validation of YBCO Thermal Parameters
• Fuzzy-Based Failure Modes, Effects, and Criticality Analysis Applied to Cyber-Power Grids
• A Distributed Equivalent-Permeability Model for the 3-D Design Optimization of Bulk Superconducting Electromechanical Systems
• A New Agreement Coefficients-Based Approach to Compare Improved FMECA Methods
• Use of Bulk Superconductors in the Excitation System of Low-Speed Synchronous Generators
• Reliability Analysis of the Control and Automation Systems in Electrical Substations
• Reliability Analysis of the Control and Automation Systems in Electrical Substations
• Superconducting Electric Power Systems: R&D Advancements
• Experimental Investigation and Modelling of Sediments Effect on the Performance of Cadmium Telluride Photovoltaic Panels
• Superconductivity and its Application in the Field of Electrical Machines
• VIENA: A Multidisciplinary Platform for Education
• Transient study of series-connected pumps working as turbines in off-grid systems
• Experimental Assessment of Cryogenic Cooling Impact on Induction Motors
• Finite-element recipes for HTS-coated conductors and HTS tape topologies
• Multi-Objective Optimization of Electrical Machine Magnetic Core Using a Vanadium–Cobalt–Iron Alloy
• Optimization of a Horizontal Axis HTS ZFC Levitation Bearing Using Genetic Decision Algorithms Over Finite Element Results
• Classical Failure Modes and Effects Analysis in the Context of Smart Grid Cyber-Physical Systems
• Classical Failure Modes and Effects Analysis in the Context of Smart Grid Cyber-Physical Systems
• Comparison of fast computing methods for ZFC High-temperature superconductors bulks
• Design, Multi-Objective Optimization, and Prototyping of a 20 kW 8000 rpm Permanent Magnet Synchronous Motor for a Competition Electric Vehicle
• Electro-Hydraulic Transient Regimes in Isolated Pumps Working as Turbines with Self-Excited Induction Generators
• Spectral Irradiance Influence on Solar Cells Efficiency
• 3D Equivalent Space-Varying Permeability Model of HTS Bulks for Computation of Electromagnetic Forces
• PATs Behavior in Pressurized Irrigation Hydrants towards Sustainability
• A New Concordance Coefficients-Based Approach to Compare Improved FMECA Methods
• A New Agreement Coefficients-Based Approach to Compare Improved FMECA Methods
• Alternative analytical models for HTS tapes considering their AC hysteretic and resistive losses
• Energy Transition in Urban Water Infrastructures towards Sustainable Cities
• Electromechanical Analysis of HTS Cage Rotors for Induction-Synchronous Machines
• Energy Efficiency and Stability of Micro-Hydropower PAT-SEIG Systems for DC Off-Grids
• Axial Stiffness Augmentation by Adding Superconductor Bulks or Limiting Permanent Magnet Rings to a Horizontal Axis Zero-Field Cooled High-Tc Radial Passive Superconducting Bearing
• Frequency-Dependent Grounding Impedance of a Pair of Hemispherical Electrodes: Inductive or Capacitive Behavior?
• Electromagnetic Modeling of the Copper Layers Influence for AC Losses in ReBCO Coated Conductors Based on T-A Formulation
• Driving Profile Optimization for Energy Management in the Formula Student Técnico Prototype
• Mitigation of Superconducting AC Losses in Axial Flux Synchronous Machines With Multifilament Coated Superconductors
• Design, implementation and technical-economic evaluation of an active water-cooling system for a full-scale 20kW PV System
• Fluxball magnetic field analysis using a hybrid analytical/FEM/BEM with equivalent currents
• The Shell-Like Spherical Induction Motor for Low-Speed Traction: Electromagnetic Design, Analysis, and Experimental Tests
• Design Concept, Development and Prototyping of a Shell-like Spherical Induction Electrical Machine
• A Shell-Like Induction Electrical Machine
• Cell string layout in solar photovoltaic collectors
• Magnetic Field Analysis in Shell-Like Spherical Induction Machines with Zenithal Traveling Waves
• Technical and Economic Assessment of a 500W Autonomous Photovoltaic System with LiFePO4 Battery Storage
• From Sweden to Portugal: The effect of very distinct climate zones on energy efficiency of a concentrating photovoltaic/thermal system (CPV/T)
• Electrical behaviour of the pump working as turbine in off grid operation
• Modifying the Pulsed-Field-Magnetization Technique for HTS Bulks in Electrical Machines Without Magnetic Field Sensors
• Demonstration project of a cooling system for existing {PV} power plants in Portugal
• Multi-Objective Optimization of a Shell-like Induction Spherical Motor for Power-Assisted Wheelchair
• Gerador Eólico Polifásico de Fluxo Transverso com Magnetos Permanentes
• Modelling of Electromagnetic and Thermo-Fluid Dynamics Ocurring in ZFC-YBCO bulks under Alternate Magnetic Fields and Immersed in Liquid Nitrogen (LN2)
• Photovoltaic Systems: Learning by Doing, or Doing to Learn
• Modelling of Electromagnetic and Thermo-Fluid Dynamics Ocurring in ZFC-YBCO bulks under Alternate Magnetic Fields and Immersed in Liquid Nitrogen
• Technical and Economic Assessment of a 500W Autonomous Photovoltaic System with LiFePO4 Battery Storage”
• Electromagnetic Lumped Parameter Model of High-Temperature Superconductors (HTS) Bulks in Magnetic circuits
• Effect of the Collector Geometry in the Concentrator Photovoltaic-Thermal Solar Collector Performance
• Energy efficiency of a PV/T collector for domestic water heating installed in Sweden or in Portugal: The impact of heat pipe cross-section geometry and water flowing speed
• Modifying the Pulsed-Field-Magnetization Technique for HTS Bulks in Electrical machines and Without Magnetic Field Sensors
• Design, implementation and technical-economic evaluation of an active water-cooling system for a full-scale 20kW PV System