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Publications

Journal papers

  1. O. López, J. Álvarez, J. Malvar, A. G. Yepes, A. Vidal, F. Baneira, D. Pérez-Estévez, F. D. Freijedo and J. Doval-Gandoy, "Space Vector PWM With Common-Mode Voltage Elimination for Multiphase Drives", IEEE Transactions on Power Electronics, Vol. 31, no. 12, pp. 8151-8161, Dec. 2016.
  2. A. G. Yepes, F. Baneira, J. Malvar, A. Vidal, D. Pérez-Estévez, O. López, and J. Doval-Gandoy, "Selection Criteria of Multiphase Induction Machines for Speed-Sensorless Drives Based on Rotor Slot Harmonics", IEEE Transactions on Industrial Electronics, Vol. 63, no. 8, pp. 4663-4673, Aug. 2016.
  3. Ana Vidal, Alejandro G. Yepes, Francisco D. Freijedo, Oscar López, J. Malvar, Fernando Baneira & Jesús Doval-Gandoy, "A Method for Identification of the Equivalent Inductance and Resistance in the Plant Model of Current-Controlled Grid-Tied Converters", IEEE Transactions on Power Electronics, vol. 30, no. 12, pp. 7245-7261, Dec. 2015.
  4. Francisco D. Freijedo, Ana Vidal, Alejandro G. Yepes, Josep M. Guerrero, Oscar López, J. Malvar & Jesús Doval-Gandoy, "Tuning of Synchronous-Frame PI Current Controllers in Grid-Connected Converters Operating at a Low Sampling Rate by MIMO Root Locus", IEEE Transactions on Industrial Electronics, vol. 62, no. 8, pp. 5006-5017, Aug. 2015. [doi]
  5. Alejandro G. Yepes, J. Malvar, Ana Vidal, Oscar Lopez & Jesus Doval-Gandoy, "Current Harmonics Compensation Based on Multi-Resonant Control in Synchronous Frames for Symmetrical n-Phase Machines", IEEE Transactions on Industrial Electronics, vol. 62, no. 5, pp. 2708-2720, May 2015.
  6. Ana Vidal, Alejandro G. Yepes, Francisco D. Freijedo, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "A Technique to Estimate the Equivalent Loss Resistance of Grid-Tied Converters for Current Control Analysis and Design", IEEE Transactions on Power Electronics, vol. 30, no. 3, pp. 1747-1761, Mar. 2015. [doi]
  7. Ana Vidal, Francisco D. Freijedo, Alejandro G. Yepes, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "Transient Response Evaluation of Stationary-Frame Resonant Current Controllers for Grid-Connected Applications", IET Power Electronics, vol. 7, no. 7, pp. 1714-1724, Jul. 2014. [doi]
  8. Alejandro G. Yepes, Ana Vidal, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "Tuning Method Aimed at Optimized Settling Time and Overshoot for Synchronous Proportional-Integral Current Control in Electric Machines", IEEE Transactions on Power Electronics, vol. 29, no. 6, pp. 3041-3054, Jun. 2014. [doi]
  9. J. Malvar, Oscar Lopez, Alejandro G. Yepes, Ana Vidal, Francisco D. Freijedo, Pablo Fernandez-Comesaña & Jesus Doval-Gandoy, "Graphical diagram for subspace and sequence identification of harmonics in symmetrical multiphase machines", IEEE Transactions on Industrial Electronics, vol. 61, no. 1, pp. 29–42, Jan. 2014. [doi]
  10. A. Vidal, F. D. Freijedo, A. G. Yepes, P. Fernandez-Comesana, J. Malvar, O. Lopez, and J. Doval-Gandoy, "Assessment and Optimization of the Transient Response of Proportional-Resonant Current Controllers for Distributed Power Generation Systems," IEEE Transactions on Industrial Electronics, vol. 60, no. 4, pp. 1367-1383, Apr. 2013.
  11. P. Fernandez-Comesana, F. D. Freijedo, J. Doval-Gandoy, O. Lopez, A. G. Yepes, and J. Malvar, "Mitigation of voltage sags, imbalances and harmonics in sensitive industrial loads by means of a series power line conditioner," Electric Power Systems Research, vol. 84, no. 1, pp. 20-30, Mar. 2012.
  12. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. Lopez, J. Malvar, and P. Fernandez-Comesana, "Correction to 'Effects of Discretization Methods on the Performance of Resonant Controllers' [Jul 10 1692-1712]," IEEE Transactions on Power Electronics, vol. 27, no. 12, pp. 4976-4976, Dec. 2012.
  13. F. D. Freijedo, A. G. Yepes, J. Malvar, O. Lopez, P. Fernandez-Comesana, A. Vidal, and J. Doval-Gandoy, "Frequency tracking of digital resonant filters for control of power converters connected to public distribution systems," IET Power Electronics, vol. 4, no. 4, p. 454, 2011.
  14. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. Lopez, J. Malvar, and P. Fernandez-Comesana, "Effects of Discretization Methods on the Performance of Resonant Controllers," IEEE Transactions on Power Electronics, vol. 25, no. 7, pp. 1692-1712, Jul. 2010.
  15. O. Lopez, F. D. Freijedo, A. G. Yepes, P. Fernandez-Comesana, J. Malvar, R. Teodorescu, and J. Doval-Gandoy, "Eliminating Ground Current in a Transformerless Photovoltaic Application," IEEE Transactions on Energy Conversion, vol. 25, no. 1, pp. 140-147, Mar. 2010.
  16. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. López, P. Fernández-Comesaña and J. Malvar, "Harmonic identification algorithms based on DCT for power quality applications", ETRI Journal, vol. 32, no. 1, pp. 33-43, Feb. 2010.

Conference papers

  1. Ana Vidal, Alejandro G. Yepes, Francisco D. Freijedo, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "Estimation of the Plant Time Constant of Current-Controlled Voltage Source Converters", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Pittsburgh, PA, Sep. 2014.
  2. Alejandro G. Yepes, J. Malvar, Ana Vidal, Oscar Lopez & Jesus Doval-Gandoy, "Current Harmonic Compensation in Symmetrical Multiphase Machines by Resonant Controllers in Synchronous Reference Frames---Part 1: Extension to Any Phase Number", Proc. IEEE Industrial Electronics Conference IECON, Vienna, Austria, pp. 5153-5158, Nov. 2013. [doi]
  3. Alejandro G. Yepes, J. Malvar, Ana Vidal, Oscar Lopez & Jesus Doval-Gandoy, "Current Harmonic Compensation in Symmetrical Multiphase Machines by Resonant Controllers in Synchronous Reference Frames---Part 2: Computational Load", Proc. IEEE Industrial Electronics Conference IECON, Vienna, Austria, pp. 5159-5164, Nov. 2013. [doi]
  4. J. Malvar, Oscar Lopez, Alejandro G. Yepes, Ana Vidal & Jesus Doval-Gandoy, "Interactions Between Time and Spatial Harmonics in a Series-Connected Five-Phase Two-Motor Drive", Proc. IEEE Industrial Electronics Conference IECON, Vienna, Austria, pp. 5195-5200, Nov. 2013. [doi]
  5. Francisco D. Freijedo, Ana Vidal, Alejandro G. Yepes, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "Assessment of Synchronous-Frame PI Current Control Dynamics by Means of Multivariable Analysis with Time-Delays Consideration", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Denver, CO, pp. 4104-4111, Sep. 2013. [doi]
  6. Ana Vidal, Alejandro G. Yepes, Francisco D. Freijedo, Oscar Lopez, J. Malvar & Jesus Doval-Gandoy, "A Method to Identify the Equivalent Loss Resistance of Voltage Source Converters for Current Control Design", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Denver, CO, pp. 4133-4140, Sep. 2013. [doi]
  7. Alejandro G. Yepes, Ana Vidal, Francisco D. Freijedo, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "A Simple Tuning Method Aimed at Optimal Settling Time and Overshoot for Synchronous PI Current Control in Electric Machines", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Denver, CO, pp. 1465-1472, Sep. 2013. [doi]
  8. Alejandro G. Yepes, Ana Vidal, Francisco D. Freijedo, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "Ineffectiveness of Orthogonal Axes Cross-Coupling Decoupling Technique in Dual Sequence Current Control", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Denver, CO, pp. 1047-1053, Sep. 2013. [doi]
  9. Alejandro G. Yepes, J. Malvar, Oscar Lopez, Ana Vidal & Jesus Doval-Gandoy, "Optimized Harmonic Current Control Strategy for Nonlinearities Compensation in Multiphase AC Drives", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Denver, CO, pp. 1458-1464, Sep. 2013. [doi]
  10. Alejandro G. Yepes, Ana Vidal, Francisco D. Freijedo, J. Malvar, Oscar Lopez & Jesus Doval-Gandoy, "Assessment of Cross-Coupling Decoupling between Orthogonal Axes in Double Synchronous Reference Frame Current Control Structures", Seminario Anual de Automática, Electrónica Industrial e Instrumentación, Madrid, Spain, Jul. 2013.
  11. J. Malvar, Alejandro G. Yepes, Ana Vidal, Oscar Lopez & Jesus Doval-Gandoy, "Experimental Evaluation of Harmonic Mapping in a Multimotor Drive", Seminario Anual de Automática, Electrónica Industrial e Instrumentación, Madrid, Spain, Jul. 2013.
  12. A. G. Yepes, A. Vidal, F. D. Freijedo, J. Malvar, O. Lopez, and J. Doval-Gandoy, "Transient response evaluation of resonant controllers for AC drives," in 2012 IEEE Energy Conversion Congress and Exposition (ECCE), 2012, pp. 471-478.
  13. O. Lopez, J. Alvarez, J. Malvar, A. G. Yepes, A. Vidal, P. Fernandez-Comesana, F. D. Freijedo, and J. Doval-Gandoy, "Multiphase space vector control modulation technique for voltage source converters," in IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society, 2012, pp. 3635-3640.
  14. J. Malvar, A. G. Yepes, A. Vidal, P. Fernandez-Comesana, F. D. Freijedo, O. Lopez, and J. Doval-Gandoy, "Harmonic subspace and sequence mapping in a series-connected six-phase two-motor drive," in IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society, 2012, pp. 3622-3627.
  15. A. Vidal, F. D. Freijedo, A. G. Yepes, J. Malvar, O. Lopez, and J. Doval-Gandoy, "Transient response assessment of vector PI current controllers in renewable energy applications," in IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society, 2012, pp. 5259-5264.
  16. F. D. Freijedo, A. Vidal, A. G. Yepes, P. Fernandez-Comesana, J. Malvar, O. Lopez, A. Nogueiras, and J. Doval-Gandoy, "WLSE for fast, accurate and robust generation of references in power converter applications," in 2010 IEEE International Symposium on Industrial Electronics, 2010, pp. 2946-2951.
  17. A. G. Yepes, D. F. Francisco, P. Fernandez-Comesana, J. Malvar, O. Lopez and J. Doval-Gandoy, "Torque ripple minimization in surface-mounted PM drives by means of PI+ multi-resonant controller in synchronous reference frame," in IECON 2010-36th Annual Conference on IEEE Industrial Electronics Society, 2010, vol. 1, pp. 1017-1022.
  18. A. G. Yepes, F. D. F. D. Freijedo, P. Fernandez-Comesana, J. Malvar, O. Lopez, and J. Doval-Gandoy, "Performance enhancement for digital implementations of resonant controllers," in Energy Conversion Congress and Exposition (ECCE), 2010 IEEE, 2010, pp. 2535-2542.
  19. O. Lopez, J. Alvarez, F. D. Freijedo, A. G. Yepes, J. Malvar, P. Fernandez-Comesana, J. Doval-Gandoy, A. Nogueiras, A. Lago, and C. M. Penalver, "Multilevel multiphase space vector PWM algorithm with switching state redundancy applied to three-phase four-leg converters," in IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society, 2010, pp. 568-575.
  20. A. Vidal, F. D. Freijedo, A. G. Yepes, P. Fernandez-Comesana, J. Malvar, O. Lopez, and J. Doval-Gandoy, "A fast, accurate and robust algorithm to detect fundamental and harmonic sequences," in 2010 IEEE Energy Conversion Congress and Exposition, 2010, pp. 1047-1052.
  21. P. Fernandez, F. D. Freijedo, J. Doval-Gandoy, and J. Malvar, "Control algorithm for a SSSC," in 2009 Compatability and Power Electronics, 2009, pp. 248-252.
  22. P. Fernandez-Comesana, J. Doval-Gandoy, F. D. Freijedo, O. Lopez, J. Malvar, A. G. Yepes, E. Diaz-Dorado, and D. Alvira-Baeza, "Evolutive algorithm for power flow optimization," in 2009 35th Annual Conference of IEEE Industrial Electronics, 2009, pp. 3323-3328.
  23. P. Fernandez-Comesana, F. D. Freijedo, J. Doval-Gandoy, and J. Malvar, "Control algorithm for a SSSC with a predictive synchronization algorithm," in 2009 IEEE Energy Conversion Congress and Exposition, 2009, pp. 2740-2745.
  24. A. G. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. Lopez, J. Malvar, and P. Fernandez-Comesana, "Harmonic detection methods for active power filters based on discrete cosine transform and dithering," 2009 35th Annual Conference of IEEE Industrial Electronics, no. 1, pp. 530-535, Nov. 2009.
  25. F. D. Freijedo, J. Doval-Gandoy, O. Lopez, C. Martinez-Penalver, A. G. A. G. Yepes, P. Fernandez-Comesana, J. Malvar, A. Nogueiras, J. Marcos, and A. Lago., "Grid-synchronization methods for power converters," 2009 35th Annual Conference of IEEE Industrial Electronics, pp. 522-529, Nov. 2009.
  26. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. Lopez, J. Malvar, and P. Fernandez-Comesana, "On the discrete-time implementation of resonant controllers for active power filters," in 2009 35th Annual Conference of IEEE Industrial Electronics, 2009, pp. 3686-3691.
  27. O. Lopez, J. Alvarez, F. D. Freijedo, A. G. Yepes, P. Fernandez-Comesana, J. Malvar, J. Doval-Gandoy, A. Nogueiras, A. Lago, and C. M. Penalver, "Multilevel multiphase space vector PWM algorithm with switching state redundancy applied to three-phase converters," in 2009 35th Annual Conference of IEEE Industrial Electronics, 2009, pp. 651-657.
Applied Power Electronics Technology Research Group (APET) | E. I. Industrial | Campus universitario | C.P. 36310 Vigo (Pontevedra) | Spain
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