All Stories

  1. Advancements in Photovoltaic Cell and System Technologies

    Article • International Journal of Photoenergy, December 2019, Hindawi Publishing Corporation

    Prof. dr. Daniel Tudor Cotfas

  2. Multiconcept Methods to Enhance Photovoltaic System Efficiency

    Article • International Journal of Photoenergy, November 2019, Hindawi Publishing Corporation

    Prof. dr. Daniel Tudor Cotfas

  3. Comparative Study of Two Commercial Photovoltaic Panels under Natural Sunlight Conditions

    Article • International Journal of Photoenergy, November 2019, Hindawi Publishing Corporation

    Prof. dr. Daniel Tudor Cotfas

  4. Determination of Technological Features of a Solar Photovoltaic Cell Made of Monocrystalline Silicon P+PNN+

    Article • International Journal of Photoenergy, November 2019, Hindawi Publishing Corporation

    Prof. dr. Daniel Tudor Cotfas

  5. Solar Cell Capacitance Determination Based on an RLC Resonant Circuit

    Article • Energies, March 2018, MDPI AG

    Prof. dr. Daniel Tudor Cotfas

  6. Study of Temperature Coefficients for Parameters of Photovoltaic Cells

    Article • International Journal of Photoenergy, January 2018, Hindawi Publishing Corporation

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  7. Characterization of Photovoltaic–Thermoelectric–Solar Collector Hybrid Systems in Natural Sunlight Conditions

    Article • Journal of Energy Engineering, December 2017, American Society of Civil Engineers (ASCE)

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  8. Study of combined photovoltaic cell/thermoelectric element/solar collector in medium concentrated light

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

    Prof. dr. Daniel Tudor Cotfas

  9. System design to study hybrid systems in concentrated light using Fresnel lens

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

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  10. Design and implementation of RELab system to study the solar and wind energy

    Article • Measurement, November 2016, Elsevier

    Prof. dr. Daniel Tudor Cotfas

  11. FPGA-enabled hardware multitasking applications in energy harvesting laboratories

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

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  12. Modelling and PSPICE simulation oi a photovoltaic/thermoelectric system

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

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  13. Methods and techniques to determine the dynamic parameters of solar cells: Review

    Article • Renewable and Sustainable Energy Reviews, August 2016, Elsevier

    Prof. dr. Daniel Tudor Cotfas

  14. Investigation of the photovoltaic cell/ thermoelectric element hybrid system performance

    Article • IOP Conference Series Materials Science and Engineering, June 2016, Institute of Physics Publishing

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  15. Accelerated Life Test for Photovoltaic Cells Using Concentrated Light

    Article • International Journal of Photoenergy, January 2016, Hindawi Publishing Corporation

    Prof. dr. Daniel Tudor Cotfas

  16. Graphical System Design approach in photovoltaic energy laboratories

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

    Prof. dr. Daniel Tudor Cotfas

  17. Ageing of photovoltaic cells under Concentrated Light

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

    Prof. dr. Daniel Tudor Cotfas

  18. Simulated, hands-on and remote laboratories for studying the solar cells

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

    Prof. dr. Daniel Tudor Cotfas

  19. Design and deployment of reconfigurable hardware using Web Services

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

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  20. Monthly average daily global and diffuse solar radiation based on sunshine duration and clearness index for Brasov, Romania

    Article • Journal of Renewable and Sustainable Energy, September 2014, American Institute of Physics

    Prof. dr. Daniel Tudor Cotfas

  21. Remote SoC/FPGA platform configuration for cloud applications

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

    Prof. dr. Daniel Tudor Cotfas, Octavian Machidon

  22. The study of the photovoltaic cells parameters in concentrated sunlight

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

    Prof. dr. Daniel Tudor Cotfas

  23. General physics remote laboratory based on the NI ELVIS platform and Moodle

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

    Prof. dr. Daniel Tudor Cotfas

  24. A Simple Method to Increase the Amount of Energy Produced by the Photovoltaic Panels

    Article • International Journal of Photoenergy, January 2014, Hindawi Publishing Corporation

    Prof. dr. Daniel Tudor Cotfas

  25. New Tools in Hardware and Software Design Applied for Remote Photovoltaic Laboratory

    Article • January 2014, IGI Global

    Prof. dr. Daniel Tudor Cotfas

  26. Methods to determine the dc parameters of solar cells: A critical review

    Article • Renewable and Sustainable Energy Reviews, December 2013, Elsevier

    Prof. dr. Daniel Tudor Cotfas

  27. Measurements in Concentrated Sun using a Remote Controlled Robot

    Article • International Journal of Online Engineering (iJOE), April 2013, International Association of Online Engineering (IAOE)

    Prof. dr. Daniel Tudor Cotfas

  28. TRIZ method and remote engineering approach

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

    Prof. dr. Daniel Tudor Cotfas

  29. Mobile virtual laboratory for renewable energy

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

    Prof. dr. Daniel Tudor Cotfas

  30. RELab - virtual laboratory of the renewable energy

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

    Prof. dr. Daniel Tudor Cotfas

  31. Remote controlled robot for automatic measurements in concentrated sun

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

    Prof. dr. Daniel Tudor Cotfas

  32. Remote experiment and correlation with innovation process

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

    Prof. dr. Daniel Tudor Cotfas

  33. Energy balance for different positions of photovoltaic panels

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

    Prof. dr. Daniel Tudor Cotfas

  34. Quantitative approaches in remote experiment design

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

    Prof. dr. Daniel Tudor Cotfas

  35. Tensile testing machine based on virtual instrumentation

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

    Prof. dr. Daniel Tudor Cotfas

  36. Tester for photovoltaic charger using NI cRIO

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

    Prof. dr. Daniel Tudor Cotfas

  37. PV cells test bench system with remote access trough Internet

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

    Prof. dr. Daniel Tudor Cotfas

  38. The methods to determine the series resistance and the ideality factor of diode for solar cells-review

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

    Prof. dr. Daniel Tudor Cotfas

  39. New Tools in Hardware and Software Design Applied for Remote Photovoltaic Laboratory

    Article • January 2012, IGI Global

    Prof. dr. Daniel Tudor Cotfas

  40. Multifunction iLab implemented laboratory

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

    Prof. dr. Daniel Tudor Cotfas

  41. Current-voltage characteristic raising techniques for solar cells. comparisons and applications

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

    Prof. dr. Daniel Tudor Cotfas

  42. WEB Instruments

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

    Prof. dr. Daniel Tudor Cotfas

  43. Methods of the quality assurance applied at the remote laboratory selection

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

    Prof. dr. Daniel Tudor Cotfas

  44. Web Development Techniques and Remote Laboratories

    Article • International Journal of Online Engineering (iJOE), August 2009, International Association of Online Engineering (IAOE)

    Prof. dr. Daniel Tudor Cotfas

  45. Remote Laboratory in Photovoltaics

    Article • International Journal of Online Engineering (iJOE), August 2009, International Association of Online Engineering (IAOE)

    Prof. dr. Daniel Tudor Cotfas