TSUKUBA POWER ELECTRONICS LABORATORY

Dr. René Alexander Barrera Cárdenas

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René A. Barrera-Cárdenas

General Information

René A. Barrera Cárdenas

René A. Barrera Cárdenas

René A. Barrera Cárdenas was born in El Socorro, Santander, Colombia, in 1982. (Here  is a video about El Socorro).

Office: Venture Business Laboratory Bulding 4F; Tennoudai 1-1-1 (305-8573) Tsukuba-shi; Ibaraki-ken; Japan

Email: barrera.rene.fm@u.tsukuba.ac.jp

Phone number: +81 029-853-5398

 


 

Education

2006 - BSc. degree in Electronic Engineering from Industrial University of Santander (UIS: Universidad Industrial de Santander), Bucaramanga, Colombia.

  • Thesis Title: Implementation of a Computational Cluster for the Parallel Simulation of the Sinusal Node Math Model
  • Advisor: Carlos Angulo Julio
  • Professional Card SN206-52479. Colombian Association of Engineers (ACIEM), Colombia.

2010 – MSc. in Electrical Engineering from Industrial University of Santander (UIS: Universidad Industrial de Santander), Bucaramanga, Colombia.

  • Thesis title: Synchronous Machine Modelling Using Neural Networks
  • Advisor: Hernan Raul Vargas

2015 – PhD. in Electrical Power Engineering from Department of Electrical Power Engineering, Norwegian University

of Science and Technology (NTNU), Trondheim, Norway.

 

 Experience

2016 → Current:  Researcher

Power Electronics Laboratory, University of Tsukuba, Tsukuba, Japan

2015 → 2016: JSPS Postdoctoral Researcher

Power Electronics Laboratory, University of Tsukuba, Tsukuba, Japan

Postdoctoral research funded by Japan Society for the Promotion of Science (JSPS) and conducting in the Power Electronics Laboratory at University of Tsukuba, Japan.

The purpose of the proposed research is to quantify the impact on efficiency and power density Pareto-frontier of a power conversion system, when new semiconductor technologies/materials are used, like silicon carbide (SiC) and gallium nitride (GaNi), on the state of the art topologies in automotive electric conversion systems and renewable energy systems where power converters and solid state transformers are used.

2011→2015:  Research Fellow

Department of Electrical Power Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.

PhD project funded by the Norwegian Research Centre for Offshore Wind Technology (NOWITECH). The developing of a

multi-domain design methodology to optimize the power density and efficiency of the wind energy conversion system in offshore wind farms was done as part of this project.

2014→2015:  Scientific Assistant

Department of Electrical Power Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.

Power Electronics for Renewable Energy course and Power System Analysis Course.

The main task as scientific Assistant of the course were: to help in the organization of course material, to give lectures, to review and bring guidance for course projects and assignments.

2013→2014:  Scientific Assistant

Department of Electrical Power Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.

Laboratory of Electrical Machines course.

The main task as scientific Assistant of the course were: to help in the organization of course material, to give lectures, to review and bring guidance for course projects and assignments.

2007→2010:  Lecturer

Industrial University of Santander (UIS: Universidad Industrial de Santander), El Socorro, Colombia.

Lecturer at UIS sede Socorro. Courses taught: Physics (Electromagnetism), Physics (Introductory), Numerical methods,

Probability and statistics.

2007:  Project Advisor

Universitaria de Desarrollo e Investigación (UDI), Bucaramanga, Colombia.

Project title: Recognition of spoken words by an artificial intelligence tool

Thesis to qualify for the title of Electronic Engineering

2004: Honorary Assistant Professor

Department of Electrical, Electronics and Telecomunications Engineering (E3T), Universidad Industrial de Santander (UIS), Bucaramanga, Colombia.

Computer Architecture course

The main task as assistant professor were: to help in the organization of course material, to review assignments and bring

guidance for course project.

Relevant Publications

Book Chapters

R. Barrera-Cárdenas and M. Molinas; “Chapter: Modeling of power electronic components for evaluation of efficiency and power density of offshore wind power converters”, in the book “Offshore wind farms: Technologies, design and operation”; Elsevier, Woodhead Publishing, pp.193-261, March 2016. DOI: 10.1016/B978-0-08-100779-2.00009-X.

Articles in Journals

  • R. Barrera-Cardenas and M. Molinas, “Comparative study of wind turbine power converters based on medium frequency AC-link for offshore DC-Grids,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 3, Issue 2, pp. 525 - 541, June 2015. [Online]
  • R. Barrera-Cardenas and M. Molinas, “Multi-objective design of a modular power converter based on medium frequency AC-link for offshore DC wind park,” Energy Procedia, vol. 35, pp. 265–273, 2013. [Online].
  • R. Barrera-Cardenas and M. Molinas, “Optimal LQG controller for variable speed wind turbine based on genetic algorithms,” Energy Procedia, vol. 20, pp. 207–216, 2012. [Online].
  • R. Barrera-Cardenas and M. Molinas, “A simple procedure to evaluate the efficiency and power density of power conversion topologies for offshore wind turbines,” Energy Procedia, vol. 24, pp. 202–211, 2012. [Online].
  • G. Morales, R. Barrera, and G. Ordonez, “R-x axis analysis to locate high impedance faults,” INGENIARE, Revista Chilena de Ingenieria (ISSN 0718-3305 Electronic version, ISSN 0718-3291 print version), vol. 17, pp. 213–222, August 2009. [Online].
  • R. Barrera, J. Mora, and S. Perez, “Neural estimator of the rotor angle of synchronous generators from the measurement of voltage and current at terminals,” Revista Ingenieria y competitividad (ISSN 0123-3033), vol. 11,pp. 9–20, June 2009. [Online].
  • G. Morales, R. Barrera, and H. Vargas, “Unique localization of faults in distribution systems by means of zones with svm,” Revista Facultad de Ingenierias (ISSN 0120-6230), vol. 47, pp. 187–196, March 2009. [Online].
  • J. Mora, G. Morales, and R. Barrera, “Evaluating a k-nearest neighboursbased classifier for locating faulty areas in power systems,” Revista Ingenieria e Investigacion (ISSN 0120-5609), vol. 38, pp. 79–84, December 2008. [Online].
  • J. Mora, R. Barrera, and S. Perez, “Analysis of the return path impedance effect during single phase faults in conventional distance relays,” Revista Scientia et Tecnica (ISSN 0122-1701), vol. 38, June 2008. [Online].
  • R. Barrera, G. Morales, and J. Mora, “Voice commands recognizing using support vector machines and spectral bands,” Revista Scientia et Tecnica (ISSN 0122-1701), vol. 37, pp. 79–84, December 2007. [Online].

Articles presented in Conferences

  • Rene Barrera-Cardenas, Jiantao Zhang, Takanori Isobe, Hiroshi Tadano, “Influence of CCM and DCM Operation on Converter Efficieny and Power Density of a Single-Phase Grid-Tied Inverter” in Proceedings of International Future Energy Electronics Conference 2017 (IFEEC 2017), June 3-7 2017, Kaohsiung, Taiwan.
  • R. Barrera-Cardenas, T. Isobe, M. Molinas, “Meta-parameterisation of Power Semiconductor Devices for Studies of Efficiency and Power Density in High Power Converters”, in EPE2016 ECCE Europe, Karlsluhe, Germany, 5-9 September, 2016.
  • T. Isobe, R. Barrera-Cardenas, H. Tadano, “Capacitor size reduction of MMC-based STATCOM for medium voltage power distribution network”, in EPE2016 ECCE Europe, Karlsluhe, Germany, 5-9 September, 2016.
  • R. Barrera-Cardenas, T. Isobe, M. Molinas, “Optimal Design of Air-Core Inductor for Medium/High Power DC-DC Converters” in COMPEL 2016, Trondheim, Norway, 27-30 June 2016.
  • R. Barrera-Cardenas, T. Isobe, M. Molinas, “Quantifying the Benefits of SiC MOSFET on Efficiency and Power Density of EV Power Converter Unit”, in EVTeC2016, Yokohama, Japan, 25-27 May 2016
  • R. Barrera-Cardenas, T. Isobe, M. Molinas, “Comparative Study of Semiconductor Devices Based on a Meta-parameterised Approach: SiC MOSFET vs Si IGBT Technologies”, in IPEMC 2016 ECCE Asia, Hefei, China, 22-25 May 2016
  • R. Barrera-Cardenas, T. Isobe, M. Molinas, “A Meta-parameterized Approach for the Evaluation of Semiconductor Technologies: a comparison between SiC MOSFET vs Si IGBT”, in IEEJ Workshop 2016, Kita Kyushu, Japan, 08-09 March 2016
  • R. Barrera-Cardenas and M. Molinas, “A comparison of WECS based on medium frequency AC-link for offshore DC wind park,” in PowerTech (POWERTECH), 2013 IEEE Grenoble, 2013, pp. 1–7.
  • A. Garces, R. Barrera-Cardenas, and M. Molinas, “Optimal control for an HVDC system with series connected offshore wind turbines,” in 2013 IEEE Energy Conversion Congress and Exposition (ECCE), 2013, pp. 3918–3925.
  • R. Barrera-Cardenas and M. Molinas, “Comparative study of the converter efficiency and power density in offshore wind energy conversion system with single-phase transformer,” in 2012 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), Jun. 2012, pp. 1085 –1090.
  • R. Barrera-Cardenas, N. Holtsmark, and M. Molinas, “Comparative study of the efficiency and power density of offshore WECS with three-phase AC-link,” in 2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG), Jun. 2012, pp. 717 –724.
  • R. Barrera-Cardenas and M. Molinas, “Comparison of wind energy conversion systems based on high frequency AC-Link: three-phase vs. single-phase,” in Power Electronics and Motion Control Conference (EPE/PEMC), 2012 15th International, Sep. 2012, pp. LS2c.4–1 –LS2c.4–8.
  • R. Barrera-Cardenas and M. Molinas, “Optimized design of wind energy conversion systems with single phase AC-link,” in 2012 IEEE 13th Workshop on Control and Modeling for Power Electronics (COMPEL), Jun. 2012, pp. 1 –8.
  • G. Morales, R. Barrera-Cardenas, and G. Carrillo-Caicedo, “Application of the method of k-nearest neighbor estimation of the fault in radial distribution systems,” in Proc. International Conference on Electrical Safety CISE 2008, Bogota, Colombia, November 2008
  • G. Morales, R. Barrera-Cardenas, and H. Vargas-Torres, “Location of potential arc distribution systems,” in Proc. International Conference on Electrical Safety CISE 2008, Bogota, Colombia, November 2008.
  • R. Barrera-Cardenas, J. Cely, and G. Morales, “Classification tools applied to voice command recognition,” in Proc. Academic Congress UDI – Third Congress of Systems Engineering and Electronics, Bucaramanga, Colombia, October 2008.
  • G. Morales, R. Barrera-Cardenas, and H. Vargas, “Concept of apparent impedance applied to high impedance fault location,” in Proc. IV International Symposium on Power Quality, SICEL 2007, Manizales, Colombia, November 2007. [Online].
  • G. Morales, R. Barrera-Cardenas, and J. Mora, “Fault distance estimation in radial systems applying the nearest neighbour method,” in Proc. IV International Symposium on Power Quality, SICEL 2007, Manizales, Colombia, November 2007. [Online].

Others

  •  Invited keynote Speaker; “Wide Band Gap devices for the next generation of electric transportation” at Academic Conference UDI 2015, November 2015, Colombia
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