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Publications

Journal Papers

  1. A. G. Yepes, J. Doval-Gandoy, F. Baneira , D. Pérez-Estévez and O. López, "Current Harmonic Compensation for n-Phase Machines With Asymmetrical Winding Arrangement and Different Neutral Configurations", IEEE Transactions on Industry Applications, accepted for publication.
  2. F. Baneira, J. Doval-Gandoy, A. G. Yepes, O. López and D. Pérez-Estévez, "Comparison of Postfault Strategies for Current Reference Generation for Dual Three-Phase Machines in Terms of Converter Losses", IEEE Transactions on Power Electronics, vol. 32, no. 11, pp. 8243-8246, Nov. 2017.
  3. D. Pérez-Estévez, J. Doval-Gandoy, A. G. Yepes and O. López, "Positive- and Negative-Sequence Current Controller With Direct Discrete-Time Pole Placement for Grid-Tied Converters With LCL Filter", IEEE Transactions on Power Electronics, vol. 32, no. 9, pp. 7207-7221, Sep. 2017.
  4. F. Baneira, J. Doval-Gandoy, A. G. Yepes, O. López and D. Pérez-Estévez, "Control Strategy for Multiphase Drives With Minimum Losses in the Full Torque Operation Range Under Single Open-Phase Fault", IEEE Transactions on Power Electronics, vol. 32, no. 8, pp. 6275–6285, Aug. 2017.
  5. 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.
  6. 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.
  7. F. Baneira, A. G. Yepes, O. López and J. Doval-Gandoy, "Estimation Method of Stator Winding Temperature for Dual Three-Phase Machines Based on DC-Signal Injection", IEEE Transactions on Power Electronics, Vol. 31, no. 7, pp. 5141-5148, Jul. 2016.
  8. S. Golestan, A. Vidal, A. G. Yepes, J. M. Guerrero, J. C. Vasquez and J. Doval-Gandoy, "A True Open-Loop Synchronization Technique", IEEE Transactions on Industrial Informatics, Vol. 12, no. 3, pp. 1093-1103, Jun. 2016.
  9. S. Golestan, J. M. Guerrero, A. Vidal, A. G. Yepes and J. Doval-Gandoy, "PLL with MAF-Based Prefiltering Stage: Small-Signal Modeling and Performance Enhancement", IEEE Transactions on Power Electronics, Vol. 31, no. 6, pp. 4013-4019, Jun. 2016.
  10. S. Golestan, J. M. Guerrero, A. Vidal, A. G. Yepes, J. Doval-Gandoy and F. D. Freijedo, "Small-Signal Modeling, Stability Analysis and Design Optimization of Single-Phase Delay-Based PLLs", IEEE Transactions on Power Electronics, Vol. 31, no. 5, pp. 3517-3527, May 2016.
  11. L. Harnefors, X. Wang, A. G. Yepes and F. Blaabjerg, "Passivity-Based Stability Assessment of Grid-Connected VSCs - An Overview", IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 1, pp. 116-125, Mar. 2016.
  12. L. Harnefors, A. G. Yepes, A. Vidal and J. Doval-Gandoy, "Multifrequency Current Control With Distortion-Free Saturation", IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 1, pp. 37-43, Mar. 2016.
  13. S. Golestan, F. D. Freijedo, A. Vidal, A. G. Yepes, J. M. Guerrero and J. Doval-Gandoy, "An Efficient Implementation of Generalized Delayed Signal Cancellation PLL", IEEE Transactions on Power Electronics, vol. 31, no. 2, pp. 1085-1094, Feb. 2016.
  14. A. Vidal, A. G. Yepes, F. D. Freijedo, O. López, J. Malvar, F. Baneira and J. 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.
  15. F. D. Freijedo, A. Vidal, A. G. Yepes, J. M. Guerrero, O. López, J. Malvar and J. 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.
  16. A. G. Yepes, J. Malvar, A. Vidal, O. López and J. 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.
  17. A. Vidal, A. G. Yepes, F. D. Freijedo, J. Malvar, O. López and J. 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.
  18. L. Harnefors, A. G. Yepes, A. Vidal and J. Doval-Gandoy, "Passivity-Based Controller Design of Grid-Connected VSCs for Prevention of Electrical Resonance Instability", IEEE Transactions on Industrial Electronics, vol. 62, no. 2, pp. 702-710, Feb. 2015.
  19. L. Harnefors, A. G. Yepes, A. Vidal and J. Doval-Gandoy, "Passivity-Based Stabilization of Resonant Current Controllers With Consideration of Time Delay", IEEE Transactions on Power Electronics, vol. 29, no. 12, pp. 6260-6263, Dec. 2014.
  20. A. Vidal, F. D. Freijedo, A. G. Yepes, J. Malvar, O. López and J. 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.
  21. A. G. Yepes, A. Vidal, O. López and J. Doval-Gandoy, "Evaluation of Techniques for Cross-Coupling Decoupling Between Orthogonal Axes in Double Synchronous Reference Frame Current Control", IEEE Transactions on Industrial Electronics, vol. 61, no. 7, pp. 3527-3531, Jul. 2014.
  22. A. G. Yepes, A. Vidal, J. Malvar, O. López and J. 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.
  23. J. Malvar, O. López, A. G. Yepes, A. Vidal, F. D. Freijedo, P. Fernández-Comesaña and J. 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.
  24. A. Vidal, F. D. Freijedo, A. G. Yepes, O. López, P. Fernández-Comesaña, J. Malvar 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.
  25. A. G. Yepes, J. A. Riveros, J. Doval-Gandoy, F. Barrero, O. López, B. Bogado, M. Jones and E. Levi "Parameter Identification of Multiphase Induction Machines with Distributed Windings - Part 1: Sinusoidal Excitation Methods", IEEE Transactions on Energy Conversion, vol. 27, no. 4, pp. 1056–1066, Dec. 2012.
  26. J. A. Riveros, A. G. Yepes, F. Barrero, J. Doval-Gandoy, B. Bogado, O. López, M. Jones and E. Levi "Parameter Identification of Multiphase Induction Machines with Distributed Windings - Part 2: Time Domain Techniques", IEEE Transactions on Energy Conversion, vol. 27, no. 4, pp. 1067–1077, Dec. 2012.
  27. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. López, J. Malvar and Pablo Fernandez-Comesaña, "Correction to "Effects of discretization methods on the performance of resonant controllers"", IEEE Transactions on Power Electronics, vol. 27, no. 12, pp. 4976, Dec. 2012.
  28. A. G. Yepes, F. D. Freijedo, O. López and J. Doval-Gandoy, "Correction to "High performance digital resonant controllers implemented with two integrators"", IEEE Transactions on Power Electronics, vol. 27, no. 2, pp. 4357, Oct. 2012.
  29. Pablo Fernandez-Comesaña, F. D. Freijedo, J. Doval-Gandoy, O. López, 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.
  30. A. G. Yepes, F. D. Freijedo, O. López and J. Doval-Gandoy, "Analysis and Design of Resonant Current Controllers for Voltage Source Converters by Means of Nyquist Diagrams and Sensitivity Function", IEEE Transactions on Industrial Electronics, vol. 58, no. 11, pp. 5231-5250, Nov. 2011.
  31. F. D. Freijedo, A. G. Yepes, O. López, Pablo Fernandez-Comesaña and J. Doval-Gandoy, "An optimized implementation of phase locked loops for grid applications", IEEE Transactions on Instrumentation and Measurement, vol. 60, no. 9, pp. 3110–3119, Sep. 2011.
  32. F. D. Freijedo, A. G. Yepes, J. Malvar, O. López, Pablo Fernandez-Comesaña, 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, pp. 454–462, Apr. 2011.
  33. A. G. Yepes, F. D. Freijedo, O. López and J. Doval-Gandoy, "High performance digital resonant controllers implemented with two integrators", IEEE Transactions on Power Electronics, vol. 26, no. 2, pp. 563–576, Feb. 2011.
  34. F. D. Freijedo, A. G. Yepes, O. López, A. Vidal and J. Doval-Gandoy, " Three-phase PLLs with fast post-fault re-tracking and steady-state rejection of voltage unbalance and harmonics by means of lead compensation", IEEE Transactions on Power Electronics, vol. 26, no. 1, pp. 85–97, Jan. 2011.
  35. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. López, J. Malvar and Pablo Fernandez-Comesaña, "Effects of discretization methods on the performance of resonant controllers", IEEE Transactions on Power Electronics, vol. 25, no. 7, pp. 1692-1712, Jul. 2010.
  36. O. López, F. D. Freijedo, A. G. Yepes, P. Fernández-Comesaña, 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.
  37. 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. A. G. Yepes, J. Doval-Gandoy, F. Baneira and H. Toliyat, "Sensorless Speed Measurement for n-Phase Induction Machines Under Open-Phase Fault by Means of Rotor Slot Harmonics", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Cincinnati, Ohio, USA, 1-5 Oct. 2017.
  2. D. Pérez-Estévez, J. Doval-Gandoy, A. G. Yepes, O. López and F. Baneira, "Improved Resonant Current Controller for Grid-Tied Converters", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Cincinnati, Ohio, USA, 1-5 Oct. 2017.
  3. D. Pérez-Estévez, J. Doval-Gandoy, A. G. Yepes, O. López and F. Baneira, "Multi-Frequency Current Controller for Grid-Tied Converters", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Cincinnati, Ohio, USA, 1-5 Oct. 2017.
  4. F. Baneira, J. Doval-Gandoy, A. G. Yepes, O. López and D. Pérez-Estévez, "Comparison of Postfault Control Strategies in Terms of Converter Losses for Dual Three-Phase Machines", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Cincinnati, Ohio, USA, 1-5 Oct. 2017.
  5. F. Baneira, J. Doval-Gandoy, A. G. Yepes, O. López and D. Pérez-Estévez, "Control Strategy for Dual Three-Phase PMSMs With Minimum Losses in the Full Torque Operation Range Under Single Open-Phase Fault", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Milwaukee, WI, 18-22 Sep. 2016.
  6. A. G. Yepes, J. Doval-Gandoy, F. Baneira, D. Pérez-Estévez and O. López, "Current Harmonic Compensation for n-Phase Machines With Asymmetrical Winding Arrangement", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Milwaukee, WI, 18-22 Sep. 2016.
  7. D. Pérez-Estévez, J. Doval-Gandoy, A. G. Yepes, O. López and F. Baneira, "Positive- and Negative-Sequence Current Controller for Grid-Tied Converters With LCL Filters", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Milwaukee, WI, 18-22 Sep. 2016.
  8. L. Harnefors, A. G. Yepes, A. Vidal and J. Doval-Gandoy, "Reduction of saturation-induced distortion and antiwindup in multifrequency current control", Proc. European Conference on Power Electronics and Applications EPE, Geneva, Switzerland, 2015.
  9. L. Harnefors, A. G. Yepes, A. Vidal and J. Doval-Gandoy, "Passivity-Based Stabilization of Voltage-Source Converters Equipped With LCL Input Filters", Proc. IEEE Industrial Electronics Conference IECON, Dallas, TX, 2014.
  10. A. Vidal, A. G. Yepes, F. D. Freijedo, J. Malvar, O. López and J. Doval-Gandoy, "Estimation of the Plant Time Constant of Current-Controlled VSCs Including their Equivalent Loss Resistance", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Pittsburgh, PA, 14-18 Sep. 2014.
  11. A. G. Yepes, J. Malvar, A. Vidal, O. López and J. 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, 10-13 Nov. 2013, pp. 5153-5158.
  12. A. G. Yepes, J. Malvar, A. Vidal, O. López and J. 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, 10-13 Nov. 2013, pp. 5159-5164.
  13. J. Malvar, O. López, A. G. Yepes, A. Vidal and J. 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, 10-13 Nov. 2013, pp. 5195-5200.
  14. F. D. Freijedo, A. Vidal, A. G. Yepes, J. Malvar, O. López and J. 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, 15-19 Sep. 2013, pp. 4104-4111.
  15. A. Vidal, A. G. Yepes, F. D. Freijedo, O. López, J. Malvar and J. 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, 15-19 Sep. 2013, pp. 4133-4140.
  16. A. G. Yepes, A. Vidal, F. D. Freijedo, J. Malvar, O. López and J. 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, 15-19 Sep. 2013, pp. 1465-1472.
  17. A. G. Yepes, A. Vidal, F. D. Freijedo, J. Malvar, O. López and J. 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, 15-19 Sep. 2013, pp. 1047-1053.
  18. A. G. Yepes, J. Malvar, O. López, A. Vidal and J. Doval-Gandoy, "Optimized Harmonic Current Control Strategy for Nonlinearities Compensation in Multiphase AC Drives", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Denver, CO, 15-19 Sep. 2013, pp. 1458-1464.
  19. A. G. Yepes, A. Vidal, F. D. Freijedo, J. Malvar, O. López and J. 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, 10-12 Jul. 2013.
  20. J. Malvar, A. G. Yepes, A. Vidal, O. López and J. Doval-Gandoy, "Experimental Evaluation of Harmonic Mapping in a Multimotor Drive", Seminario Anual de Automática, Electrónica Industrial e Instrumentación, Madrid, Spain, 10-12 Jul. 2013.
  21. A. Vidal, F. D. Freijedo, A. G. Yepes, J. Malvar, O. López and J. Doval-Gandoy, "Transient Response Assessment of Vector PI Current Controllers in Renewable Energy Applications", Proc. IEEE Industrial Electronics Conference IECON, Montreal, Canada, 25-28 Oct. 2012, pp. 5259-5264.
  22. O. López, J. Álvarez, J. Malvar, A. G. Yepes, A. Vidal, P. Fernández-Comesaña, F. D. Freijedo and J. Doval-Gandoy, "Multiphase Space Vector Control Modulation Technique for Voltage Source Converters", Proc. IEEE Industrial Electronics Conference IECON, Montreal, Canada, 25-28 Oct. 2012, pp. 3635-3640.
  23. J. Malvar, A. G. Yepes, A. Vidal, P. Fernández-Comesaña, F. D. Freijedo, O. López, J. Doval-Gandoy "Harmonic Subspace and Sequence Mapping in a Series-Connected Six-Phase Two-Motor Drive", Proc. IEEE Industrial Electronics Conference IECON, Montreal, Canada, 25-28 Oct. 2012, pp. 3622-3627.
  24. A. G. Yepes, A. Vidal, F. D. Freijedo, J. Malvar, O. López and J. Doval-Gandoy, "Transient Response Evaluation of Resonant Controllers for AC Drives", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Raleigh, NC, 15-20 Sep. 2012, pp. 471-478.
  25. O. López, J. Álvarez, F. D. Freijedo, A. G. Yepes, J. Malvar, P. Fernández-Comesaña, J. Doval-Gandoy, A. Nogueiras, A. Lago and Carlos M. Peñalver, "Multilevel multiphase space vector PWM algorithm with switching state redundancy applied to three-phase four-leg converters", in IEEE Industrial Electronics Conference IECON, Phoenix, AZ, 7-10 Nov. 2010, pp. 568-575.
  26. A. G. Yepes, F. D. Freijedo, P. Fernández-Comesaña, J. Malvar, O. López and J. Doval-Gandoy, "Torque ripple minimization in surface-mounted PM drives by means of PI + multi-resonant controller in synchronous reference frame", in IEEE Industrial Electronics Conference IECON, Phoenix, AZ, 7-10 Nov. 2010, pp. 1017-1022.
  27. A. Vidal, F. D. Freijedo, A. G. Yepes, P. Fernández-Comesaña, J. Malvar, O. López and J. Doval-Gandoy, " A fast, accurate and robust algorithm to detect fundamental and harmonic sequences", in Proc. IEEE Energy Conversion Congress and Exposition ECCE, Atlanta, GA, 12-16 Sep. 2010, pp. 1047-1052.
  28. A. G. Yepes, F. D. Freijedo, Pablo Fernández-Comesana, J. Malvar, O. López and J. Doval-Gandoy, "Performance enhancement for digital implementations of resonant controllers", Proc. IEEE Energy Conversion Congress and Exposition ECCE, Atlanta, GA, 12-16 Sep. 2010, pp. 2535-2542.
  29. F. D. Freijedo, A. Vidal, A. G. Yepes, P. Fernández-Comesaña, J. Malvar, O. López and J. Doval-Gandoy, "WLSE for fast, accurate and robust generation of references in power converter applications", in IEEE International Symposium on Industrial Electronics ISIE, Bari, Italy, 4-7 Jul. 2010, pp. 2946-2951.
  30. P. Fernández-Comesaña, J. Doval-Gandoy, E. Diaz-Dorado, D. Alvira, F. D. Freijedo, O. López, J. Malvar and A. G. Yepes, "Evolutive algorithm for power flow optimization", in IEEE Industrial Electronics Conference IECON, Porto, Portugal, 3-5 Nov. 2009, pp. 3359-3364.
  31. F. D. Freijedo, J. Doval-Gandoy, O. López, C. Martínez-Peñalver, A. G. Yepes, P. Fernández-Comesaña, J. Malvar, A. Nogueiras, J. Marcos and A. Lago, "Grid-synchronization methods for power converters", in IEEE Industrial Electronics Conference IECON, Porto, Portugal, 3-5 Nov. 2009, pp. 527-534.
  32. O. López, J. Álvarez, F. D. Freijedo, A. G. Yepes, P. Fernández-Comesaña, J. Malvar, J. Doval-Gandoy, A. Nogueiras, A. Lago and Carlos M. Peñalver, "Multilevel multiphase space vector PWM algorithm with switching state redundancy applied to three-phase converters", in IEEE Industrial Electronics Conference IECON, Porto, Portugal, 3-5 Nov. 2009, pp. 651-657
  33. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. López, J. Malvar and P. Fernández-Comesaña, "On the discrete-time implementation of resonant controllers for active power filters", in IEEE Industrial Electronics Conference IECON, Porto, Portugal, 3-5 Nov. 2009, pp. 3722-3727.
  34. A. G. Yepes, F. D. Freijedo, J. Doval-Gandoy, O. López, P. Fernández-Comesaña and J. Malvar, "Harmonic detection methods for active power filters based on discrete cosine transform and dithering", in IEEE Industrial Electronics Conference IECON, Porto, Portugal, 3-5 Nov. 2009, pp. 535-540.
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