Tesis de Doctorado

Tesis de Magíster

Javier A. Muñoz V.

Marco E. Rivera A.

Memorias de Título

Control No Lineal de un UPQC con Celdas Monofásicas

Reconfiguración de Conexionado Serie de un UPQC Modular

Estudio y Análisis de Técnica SHE en P - Módulos Paralelos

Control No-Lineal de un UPQC

Control Predictivo con Control del Error en Estado Estacionario Aplicado a un Convertidor Matricial

Extracción de Armónicas en Sistemas Eléctricos Mediante Algoritmos Recursivos de Identificación

Claudio O. Ramírez O.

Cristian M. Mardones N.

Javier A. Muñoz V.

Topologías de un UPQC trifásico basado en Multi-Celdas

Luis E. Molinet R.

Marco E. Rivera A.

Chapter in books:

1.-   J. Espinoza, “Chapter 15: Inverters”, Power Electronics Handbook, 2^nd ed., Academic Press USA, 2007, ISBN-13: 978-0-12-088479-7, ISBN 10: 0-12-088479-8. (Status: Published).

2.-   Luis Morán, Juan Dixon, J. Espinoza, y José Rodríguez, Chapter 23: “FACTS Controllers”, Electric Power Engineering Handbook., SPi USA, 2007, ISBN: 978-0-8493-9293-1. (Status: Published).

3.-   J. Espinoza, “Chapter 14: Inverters”, Power Electronics Handbook, Academic Press USA, 2001. ISBN 0-12-581650-2. (Status: Published).

Journal/transactions (ISI) papers:

1.-     J. Rodriguez, P. Wheeler, B. Wu, J. Espinoza, M. Rivera, C. Rojas. “Predictive Current Control with Input Filter Resonance Mitigation for a Direct Matrix Converter,” IEEE Transactions on Power Electronics, vol. ¿?, no ¿?, pp. ¿?-¿?, ¿?. 2010, (Status: Accepted).

2.-     C. Baier, J. Espinoza, L. Morán, J. Muñoz, P. Melin. “A High-Performance Multicell Topology Based on Single-Phase Power Cells for Three-Phase Systems Operating Under Unbalanced AC Mains and Asymmetrical Loads,” IEEE Transactions on Industrial Electronics, vol. 57, no 8, pp. 2730-2738, Aug. 2010, (Status: Published).

3.-     J. Guzmán, J. Espinoza, L. Morán, and G. Joós. “Selective Harmonic Elimination in Multi-Module Three-Phase Current-Source Converters,” IEEE Transactions on Power Electronics, vol. 25, no 1, pp. 44-53, Jan. 2010, (Status: Published).

4.-     J. Muñoz, J. Espinoza, L. Morán, and C. Baier. “Design of a Modular UPQC Configuration Integrating a Components Economical Analysis,” IEEE Transactions on Power Delivery, vol. 24, no 4, pp. 1763-1772, Oct. 2009, (Status: Published).

5.-     P. Correa, J. Rodríguez, M. Rivera, J. Espinoza, and J. Kolar. “Predictive Control of an Indirect Matrix Converter,” IEEE Transactions on Industrial Electronics, vol. 56, no 6, pp. 1847-1853, Jun. 2009, (Status: Published).

6.-     P. Lezana, J. Rodríguez , M. Pérez, and J. Espinoza. “Input Current Harmonics in a Regenerative Multicell Inverter with Single-phase PWM Rectifiers,” IEEE Transactions on Industrial Electronics, vol. 56, no 2, pp. 408-417, Feb. 2009, (Status: Published).

7.-     M. Pérez, J. Espinoza, L. Morán, M. Torres, and E. Araya. “A Robust Phase-Locked Loop Algorithm to Synchronize Static-Power Converters with Polluted AC Systems,” IEEE Transactions on Industrial Electronics, vol. 55, no 5, pp. 2185-2192, May. 2008, (Status: Published).

8.-     C. Baier, J. Espinoza, J. Rodríguez, and M. Pérez. “Performance Evaluation of a Multi-Cell Topology implemented with Single-Phase Non-Regenerative Cells under Unbalanced Supply Voltages,” IEEE Transactions on Industrial Electronics, vol. 54, no 6, pp. 2969-2978, Dec. 2007, (Status: Published).

9.-     J. Espinoza, J. Espinoza, and L. Morán. “A Systematic Controller Design Approach for Neutral-Point-Clamped Three-Level Inverters,” IEEE Transactions on Industrial Electronics, vol. 52, no 6, pp. 1589-1599, Dec. 2005, (Status: Published).

10.-   J. Rodríguez, J. Dixon, J. Espinoza, J. Pontt, and P. Lezana. “PWM Regenerative Rectifiers: State of the Art,” IEEE Transactions on Industrial Electronics, vol. 52, no. 1, pp. 5 – 22, February 2005, (Status: Published).

11.-   M. Pérez, J. Espinoza, J. Rodríguez, and P. Lezana. “Regenerative Medium-Voltage AC Drive based on a Multi-cell Arrangement with Minimum Energy Storage Requirements,” IEEE Transactions on Industrial Electronics, vol. 52, no. 1, pp. 171 – 180, February 2005, (Status: Published).

12.-   M. Pérez, R. Ortega and J. Espinoza. “Passivity–Based PI Control of Switched Power Converters,” IEEE Transactions on Control Systems Technology, vol. 12, no 6, pp. 881-890, Nov. 2004, (Status: Published).

13.-   J. Rodríguez, L. Morán, J. Pontt, J. Espinoza, R. Díaz, and E. Silva. “Operating experience of Shovel Drives for mining applications,” IEEE Transactions on Industry Applications, vol. 40, no. 2, pp. 664 – 671, March/April 2004, (Status: Published).

14.-   D. Rivas, L. Morán, J. Dixon and J. Espinoza. “Improving passive filter compensation performance with active techniques,” IEEE Transactions on Industrial Electronics, vol. 50, no. 1, pp. 161 – 170, February 2003, (Status: Published).

15.-   D. Rivas, L. Morán, J. Dixon and J. Espinoza. “A simple control scheme for hybrid active power filter,” IEE Proceedings on Generation, Transmission and Distribution, vol. 149, no. 4, pp. 485 – 490, July 2002, (Status: Published).

16.-   J. Espinoza, G. Joós, J. Guzmán, L. Morán, and R. Burgos, “Selective harmonic elimination and current/voltage control in current/voltage source topologies: A unified approach,” IEEE Trans. Ind. Electron., vol. 48, no. 1, pp. 71-81, February 2001. (Status: Published).

17.-   G. Joós and J. Espinoza, “Three phase series var compensation based on a voltage controlled current source inverter with supplemental modulation index control,” IEEE Trans. Power Electron., vol. 14, no. 3, pp.  587-598, May 1999. (Status: Published).

18.-   P. Jain, J. Espinoza, and N. Ismail, “A single-stage zero-voltage zero-current switched full-bridge dc power supply with extended load power range,” IEEE Trans. Ind. Electron., vol. 46, no. 2, pp. 261-270, April 1999. (Status: Published).

19.-   J. Espinoza and G. Joós, “DSP implementation of output voltage reconstruction in CSI based converters,” IEEE Trans. Ind. Electron vol. 45, no. 6, pp. 895-904, December 1998. (Status: Published).

20.-   P. Jain, J. Espinoza, and H. Jin, “Performance of a single-stage UPS system for single-phase trapezoidal-shaped ac voltage supplies,” IEEE Trans. Power Electron., vol. 13, no. 5, pp. 912-923, September 1998. (Status: Published).

21.-   J. Espinoza and G. Joós, “A current source inverter induction motor drive system with reduced losses,” IEEE Trans. on Industry Appl., vol. 34, no. 4, pp. 796-805, July/August 1998. (Status: Published).

22.-   P. Jain, J. Espinoza, and S. Dewan, “Self-started voltage source series resonant converter for high power induction heating and melting applications,” IEEE Trans. on Industry Appl., vol. 34, no. 3, pp. 518-525, May/June 1998. (Status: Published).

23.-   J. Espinoza and G. Joós, “State variable decoupling and power flow control in PWM current source rectifiers,” IEEE Trans. Ind. Electron., vol. 45, no. 1, pp. 78-87, February 1998. (Status: Published).

24.-   J. Espinoza and G. Joós, “DSP based space vector PWM pattern generators for current source converters,” Canadian Journal of Electrical and Computer Engineering, vol. 22, no. 4, pp. 155-161, November 1997. (Status: Published).

25.-   J. Espinoza and G. Joós, “Current-source converter on-line pattern generator switching frequency minimization,” IEEE Trans. Ind. Electron., vol. 44, no. 2, pp. 198-206, April 1997. (Status: Published).

26.-   E. Wiechmann, J. Espinoza and J. Rodríguez, “Compensated carrier PWM synchronization: A novel method to achieve self-regulation and AC unbalance compensation in AC fed converters,” IEEE Trans. Power Electron., vol. 7, no. 2, pp. 342-348, April 1992. (Status: Published).

Conference papers:

1.-     J. Muñoz, J. Espinoza, E. Espinosa, C. Baier, P. Melín. “Systematic Design Comparison of Discrete-Time Linear Controllers for a DSTATCOM,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

2.-     J. Muñoz, J. Espinoza, E. Espinosa, C. Baier, P. Melín. “Design of a Discrete-Time Linear Control Scheme for a Modular UPQC,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

3.-     P. Melín, J. Espinoza, J. Muñoz, C. Baier, E. Espinosa. “Concepts of Decoupled Control for a Shunt Active Filter based on Multilevel Current Source Converters,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

4.-     G. Guíñez, J. Guzmán, J. Espinoza, C. Baier, P. Melín. “Improvements in Harmonic Mitigation for Multilevel AC-Drives for High Power Applications,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

5.-     C. Molina, J. Espinoza, E. Espinosa, F. Villarroel, J. Hidalgo. “Refined Control of an Unified Power Quality Conditioner under Nonlinear and Asymmetrical Loads,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

6.-     C. Baier, J. Espinoza, P. Melin, E. Espinoza, Javier Muñoz. “A Novel Multi-Level CSI Based Topology with Inter-Cell Magnetic Couplings for Minimum DC Storage Components,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

7.-     M. Rivera, J. Rodríguez, J. Kolar, J. Espinoza, C. Rojas. “Predictive Torque and Flux Control of an Induction Machine fed by an Indirect Matrix Converter with Reactive Power Minimization,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

8.-     C. Rojas, M. Rivera, J. Rodríguez, J. Espinoza, P. Wheeler, F. Villarroel, A. Wilson. “Predictive Control of a Direct Matrix Converter Operating under an Unbalanced AC Source,” in Conf. Rec. ISIE’10, Bari, ITALIA, Jul. 4 – 7, 2010. (Status: Published).

9.-     E. Espinosa; J. Espinoza; L. Morán; J. Hidalgo; J. Muñoz “A Multi-Cell Unified Power Quality Conditioner that Operates with Asymmetrical DC Links Voltages for Minimum THD,” in Conf. Rec. ECCE’09, San José, USA, Aug. 20 – 25, 2009. (Status: Published).

10.-   M. Rivera; P. Correa; J. Rodríguez; I. Lizama; J. Espinoza; C. Rojas “Predictive Control with Active Damping in a Direct Matrix Converter,” in Conf. Rec. ECCE’09, San José, USA, Aug. 20 – 25, 2009. (Status: Published).

11.-   M. Rivera; P. Correa; J. Rodriguez; I. Lizama; J. Espinoza;  “Predictive Control of the Indirect Matrix Converter with Active Damping”, in Conf. Rec. IPEMC’09, Wuhan, CHINA, May. 17 – 20, 2009. (Status: Published).

12.-   P. Aravena, L. Moran, J. Dixon, J. Espinoza, O. Godoy; “A New Hybrid Filter Topology for Sub and Inter-Harmonic Attenuation in Cycloconverter-Fed Drives Applications”, in Conf. Rec. IAS’09, Houston, TX, USA, Oct. 4 – 8, 2009. (Status: Published).

13.-   C. Baier; J. Espinoza; L. Morán; J. Guzmán; J. Muñoz “Multi-cell topologies for three-phase systems operating under unbalanced AC mains and asymmetrical loads,” in Conf. Rec. IECON’08, Orlando, USA, Nov. 10 – 13, 2008. (Status: Published).

14.-   P. Correa; J. Rodríguez; J. Espinoza “Predictive control of an indirect matrix converter,” in Conf. Rec. IECON’08, Orlando, USA, Nov. 10 – 13, 2008. (Status: Published).

15.-   J. Muñoz; J. Espinoza; I. Rubilar; L. Morán; P. Melín “A modular approach for integrating harmonic cancellation in a multi-cell based UPQC,” in Conf. Rec. IECON’08, Orlando, USA, Nov. 10 – 13, 2008. (Status: Published).

16.-   C. Sepúlveda; J. Muñoz; J. Espinoza; C. Baier “Multiobjective LMI-based controller design for reactive power compensation in a DSTATCOM,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

17.-   C. Baier; J. Espinoza; L. Morán; C. Sepúlveda; L. Landaeta “A convenient form to connect single-phase cells to multi-pulse transformers in unbalanced systems,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

18.-   M. González; V. Cárdenas; L. Morán; J. Espinoza “Selecting between linear and nonlinear control in a dynamic voltage restorer,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

19.-   P. Melín; J. Espinoza; N. Zargari; L. Morán; J. Guzmán “A novel multi-level converter based on current source power cell,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

20.-   J. Hidalgo; J. Espinoza; L. Morán; E. Espinosa; C. Molina “High power AC drives based on stacking of standard low power AC drives,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

21.-   C. Ramírez; J. Espínoza; J. Guzmán; J. Rodríguez; G. Joos “Hybrid control of three-phase current source rectifiers,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

22.-   R. Vargas; M. Rivera; J. Rodríguez; J. Espinoza; P. Wheeler “Predictive torque control with input PF correction applied to an induction machine fed by a matrix converter,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

23.-   M. Rivera; R. Vargas; J. Espinoza; J. Rodríguez; P. Wheeler; C. Silva “Current control in matrix converters connected to polluted AC voltage supplies,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

24.-   J. Guzman; J. Espinoza; G. Joos; P. Melín; E. Araya “Modular current source AC-Drive: A simple control scheme,” in Conf. Rec. PESC’08, Rodas, GRECIA, Jun. 15 – 19, 2008. (Status: Published).

25.-   J. Muñoz, J. Reyes, J. Espinoza, I. Rubilar and L. Morán “A Novel Multi-Level Three-Phase UPQC Topology based on Full-Bridge Single-Phase Cells,” in Conf. Rec. IECON’07, Taipei, TAIWAN, Nov. 5 – 8, 2007. (Status: Published).

26.-   M. Rivera, J. Espinoza, R. Vargas, and J. Rodríguez “Behavior of the Predictive DTC based Matrix Converter under Unbalanced AC Supply,” in Conf. Rec. IAS’07, New Orleans, LA, USA, Sept. 23 – 27, 2007. (Status: Published).

27.-   I. Rubilar, J. Espinoza, J. Muñoz, and L. Morán “DC Link Voltage Unbalance Control in Three-Phase UPQCs based on NPC Topologies,” in Conf. Rec. IAS’07, New Orleans, LA, USA, Sept. 23 – 27, 2007. (Status: Published).

28.-   M. Pérez, J. Espinoza, M. Torres, and E. Araya “A Robust PLL Algorithm to Synchronize Static Power Converters with Polluted AC Systems,” in Conf. Rec. IECON’06, París, FRANCIA, Nov. 7 – 10, 2006. (Status: Published).

29.-   L Landaeta, C. Sepúlveda, J. Espinoza, and C. Baier “A Mixed LQRI / PI based Control for Three-Phase UPQCs,” in Conf. Rec. IECON’06, París, FRANCIA, Nov. 7 – 10, 2006. (Status: Published).

30.-   C. Sepúlveda, J. Espinoza, L Landaeta, and C. Baier “Operating Regions Comparison of a UPQC and its Composing Structures,” in Conf. Rec. IECON’06, París, FRANCIA, Nov. 7 – 10, 2006. (Status: Published).

31.-   P. Melín, J. Espinoza, N Zargari, M. Sánchez, and J. Guzmán “Modeling Issues in Three-Phase Current Source Rectifiers that use Damping Resistors,” in Conf. Rec. ISIE’06, Montreal, PQ, Canada, Jul. 9 – 12, 2006. (Status: Published).

32.-   J. Guzman, J. Espinoza, N Zargari, and L. Morán “Selective Harmonic Elimination in Multi-Modules Three-Phase Current-Source Converters,” in Conf. Rec. ISIE’06, Montreal, PQ, Canada, Jul. 9 – 12, 2006. (Status: Published).

33.-   J. Sommer, J. Espinoza, and L. Morán “A Non-Linear Control Strategy for Instantaneous Power Factor Correction in 3-P 4-Wire Electrical Systems under Asymmetrical and Non-Linear Loads,” in Conf. Rec. ISIE’06, Montreal, PQ, Canada, Jul. 9 – 12, 2006. (Status: Published).

34.-   C. Baier, M. Pérez, J. Espinoza, and J. Rodríguez “Analysis of a Multi-Cell Topology implemented with Single-Phase Non-Regenerative Cells Under an Unbalanced AC Mains,” in Conf. Rec. IECON’05, Raleigh, NC, USA, Nov. 6 – 10, 2005. (Status: Published).

35.-   J. Espinoza, L. Morán, and J. Guzmán “Multi-level three-phase current source inverter based AC drive for high performance applications,” in Conf. Rec. PESC’05, Recife, Brazil, June 12 – 16, 2005. (Status: Published).

36.-   J. Espinoza, L. Morán, and N. Zargari “Multi-level three-phase current source inverter based series voltage compensator,” in Conf. Rec. PESC’05, Recife, Brazil, June 12 – 16, 2005. (Status: Published).

37.-   E. Araya and J. Espinoza, “AC Filter Voltage Reconstruction in PWM-CSR,” in Conf. Rec. PESC’05, Recife, Brazil, June 12 – 16, 2005. (Status: Published).

38.-   J. Reyes, J. Espinoza, and C. Sepúlveda, “Operating Region of Single-Phase UPQCs,” in Conf. Rec. PESC’05, Recife, Brazil, June 12 – 16, 2005. (Status: Published).

39.-   M. Pérez, C. Baier, J. Espinoza, and J. Rodríguez, “Analysis of a Multi-Cell Converter under Unbalanced AC Source,” in Conf. Rec. PESC’05, Recife, Brazil, June 12 – 16, 2005. (Status: Published).

40.-   J. Guzmán and J. Espinoza, “Improvement Issues on Input Filter Design for PWM-CSR that are SHE Modulated,” in Conf. Rec. PESC’05, Recife, Brazil, June 12 – 16, 2004. (Status: Published).

41.-   J. Guzmán, J. Espinoza and M. Pérez, “Optimized Use of Selective Harmonic Elimination Techniques for Three-phase AC/DC Converters for High Power Applications,” in Conf. Rec. IECON’04, Busan, Korea, Nov. 3 – Nov. 6, 2004. (Status: Published).

42.-   C. Sepúlveda, J. Espinoza and R. Ortega, “Analysis and Design of a Linear Control Strategy for Three-phase UPQCs,” in Conf. Rec. IECON’04, Busan, Korea, Nov. 3 – Nov. 6, 2004. (Status: Published).

43.-   M. Torres, J. Espinoza and R. Ortega, “Modeling and Control of a High Voltage Direct Current Power Transmission System based on Active Voltage Source Converters,” in Conf. Rec. IECON’04, Busan, Korea, Nov. 3 – Nov. 6, 2004. (Status: Published).

44.-   M. Pérez, R. Ortega, and J. Espinoza, “Passivity-based PI Control of Three-phase Switched Power Converters,” in Conf. Rec. IECON’04, Busan, Korea, Nov. 3 – Nov. 6, 2004. (Status: Published).

45.-   F. Hernández, L. Morán, J. Espinoza, and J. Dixon, “A Multilevel Active Front-end Rectifier with Current Harmonic Compensation Capability,” in Conf. Rec. IECON’04, Busan, Korea, Nov. 3 – Nov. 6, 2004. (Status: Published).

46.-   L. Morán, J. Espinoza, M. Ortiz, J. Rodríguez, and J. Dixon, “Practical Problems Associated with the Operation of ASDs based on Active Front End Converters in Power Distribution Systems,” in Conf. Rec. IAS’04, Seattle, WA, USA, Oct.. 3 – Oct. 7, 2004. (Status: Published).

47.-   J. Espinoza, J. Espinoza, L. Morán, and D. Sbárbaro, “A Systematic Controller Design Approach for Neutral-Point-Clamped Three-Level Inverters,” in Conf. Rec. IECON’03, Roanoke, VA; USA, Nov. 2 – Nov. 6, 2003. (Status: Published).

48.-   A. Arriagada, J. Espinoza, J. Rodríguez, and L. Morán, “On-Line Filtering Reactance Identification in Voltage-Source Three-Phase Active-Front-End Rectifiers,” in Conf. Rec. IECON’03, Roanoke, VA; USA, Nov. 2 – Nov. 6, 2003. (Status: Published).

49.-   M. López, L. Morán, J. Espinoza, and J. Dixon, “Performance Analysis of a Hybrid Asymmetric Multilevel Inverter for High Voltage Active Power Filter Applications,” in Conf. Rec. IECON’03, Roanoke, VA; USA, Nov. 2 – Nov. 6, 2003. (Status: Published).

50.-   J. Guzmán, J. Espinoza, and M. Pérez, “Improved performance of multi-pulse current and voltage source converters by means of a modified SHE modulation technique,” in Conf. Rec. IECON’02, Sevilla, España, Nov. 5 – Nov. 8, 2002. (Status: Published).

51.-   J. Rodríguez, P. Lezana, J. Pontt, J. Espinoza, and M. Pérez, “Input current harmonic in a regenerative multi-cell inverter with single-phase active rectifiers,” in Conf. Rec. IECON’02, Sevilla, España, Nov. 5 – Nov. 8, 2002. (Status: Published).

52.-   J. Rodriguez, L. Moran, J. Pontt, J. Espinoza, R.  Diaz, and E. Silva, “Operating experience of shovel drives for mining applications,” in Conf. Rec. IAS’2002, Pittsburgh, PA, USA, pp. 705 – 711, vol. 1, October 13 – 17, 2002. (Status: published).

53.-   M. Pérez, J. Espinoza, J. Rodríguez, and P. Lezana, “Regenerative medium voltage ac drive based on a multi-cell arrangement with minimum energy storage requirements,” in Conf. Rec. ISIE’2002, L’Aquila, ITALIA, pp. 857-862, July 8 - 11, 2002. (Status: Published).

54.-   R. Burgos, E. Wiechmann, and J. Espinoza, “Capability assessment of high-performance control schemes for PWM voltage-source rectifiers fed from weak power systems,” in Conf. Rec. IEE Power Electronics, Machines & Drives, Bath, UK, pp. 80-85, April 15 - 18, 2002. (Status: Published).

55.-   J. Espinoza, M. Pérez, G. Joós, and L. Morán, “Reactive Power Compensation Capabilities as a Function of Parasitic Components in Three-Phase Ac/Dc Voltage and Current Source Rectifiers,” in Conf. Rec. IECON’01, Denver CO, USA, pp. 1108 - 1113, Nov. 28 – Dec. 2, 2001. (Status: Published).

56.-   J. Espinoza, E. Araya, G. Joós, and L. Morán, “Design and Performance Evaluation of a Generalized Virtual Sensor for Three-Phase PWM Ac/Dc Converters,” in Conf. Rec. IECON’01, Denver CO, USA, pp. 1102 - 1107, Nov. 28 – Dec. 2, 2001. (Status: Published).

57.-   F. Hernández, L. Morán, J. Espinoza, and J. Dixon, “A generalized control scheme for active front-end multilevel converters,” in Conf. Rec. IECON’01, Denver CO, USA, pp. 915 - 920, Nov. 28 – Dec. 2, 2001. (Status: Published).

58.-   R. Domke, L. Morán, J. Espinoza, and J. Dixon, “A simple control scheme for an active power filter implemented with a three-level NPC inverter,” in Conf. Rec. EPE’01, Graz, AUSTRIA, pp. ¿?, Aug. 27 – 29, 2001. (Status: Published).

59.-   J. Espinoza, Luis Morán, and R. Guzmán, “Procedimiento de Medición y Registro para determinar Calidad de Suministro Eléctrico: Exigencias Establecidas en el Nuevo Código Eléctrico,” en Anales del Seminario de Gestión Energética 2001, Valparaíso, CHILE, Octubre 9 - 12, 2001. (Status: Published).

60.-   E. Araya, J. Espinoza, and G. Joós, “Evaluación del Desempeño de un Sensor Virtual Generalizado para Convertidores Trifásicos AC/DC PWM,” en Anales del XIII Congreso Chileno de Ingeniería Eléctrica 2001, CCIE’01, Antofagasta, CHILE, pp. ¿?, Noviembre 8-12, 2001. (Status: Published).

61.-   M. Pérez, J. Espinoza, and G. Joós, “Efecto de Componentes Parásitas en la Compensación de Potencia Reactiva con Rectificadores 3-f PWM,” en Anales del XIII Congreso Chileno de Ingeniería Eléctrica 2001, CCIE’01, Antofagasta, CHILE, pp. ¿?, Noviembre 8-12, 2001. (Status: Published).

62.-   J. Guzmán, J. Espinoza, and G. Joós, “Ubicación de los estados nulos y ancho de pulso mínimo en técnicas SHE aplicadas a convertidores 3f de corriente,” en Anales del XIII Congreso Chileno de Ingeniería Eléctrica 2001, CCIE’01, Antofagasta, CHILE, pp. ¿?, Noviembre 8-12, 2001. (Status: Published).

63.-   J. Espinoza, G. Joós, M. Pérez, and L. Morán, “Stability issues in three-phase PWM current/voltage source rectifiers in the regeneration mode,” in Conf. Rec. ISIE’2000, Puebla, MÉXICO, pp. 453-458, Dic. 4 – 8, 2000. (Status: Published).

64.-   J. Espinoza, G. Joós, M. Pérez, and L. Morán, “Operating region in active-front-end voltage/current source rectifiers,” in Conf. Rec. ISIE’2000, Puebla, MÉXICO, pp. 459-464, Dic. 4 – 8, 2000. (Status: Published).

65.-   E. Araya, J. Espinoza, G. Joós, and D. Sbárbaro, “Control de rectificadores PWM fuente de corriente utilizando sensores virtuales,” en Anales del XIV Congreso de la Asociación Chilena de Control Automático 2000, ACCA’00, Concepción, CHILE, pp. 211-218, Octubre 23-27, 2000. (Status: Published).

66.-   J. Guzmán, J. Espinoza, G. Joós, and L. Morán, “Implementación de una solución generalizada para SHE y control de la corriente fundamental en convertidores trifásicos fuente de corriente,”en Anales del XIV Congreso de la Asociación Chilena de Control Automático 2000, ACCA’00, Concepción, CHILE, pp. 233-239, Octubre 23-27, 2000. (Status: Published).

67.-   M. Pérez, J. Espinoza, G. Joós, and L. Morán, “Región de operación en convertidores PWM trifásicos conectados directamente a la red,”en Anales del XIV Congreso de la Asociación Chilena de Control Automático 2000, ACCA’00, Concepción, CHILE, pp. 251-257, Octubre 23-27, 2000. (Status: Published).

68.-   J. Espinoza, G. Joós, J. Guzmán, and L. Morán, “Real-Time implementation of a generalized approach for SHE and fundamental current control in current source topologies,” in Conf. Rec. CIEP’2000, Acapulco, MÉXICO, pp. 21-26, Oct. 15 – 19, 2000. (Status: Published).

69.-   J. Espinoza, G. Joós, E. Araya, and D. Sbárbaro, “Decoupled control of PWM active-front rectifiers using only dc bus sensing,” in Conf. Rec. IAS’2000, Roma, ITALY, pp. 2169-2176, Oct. 8 – 12, 2000. (Status: Published).

70.-   D. Rivas, L. Moran, J. Dixon, and J. Espinoza, “Improving passive filter compensation performance with active techniques,” in Conf. Rec. 9^th International Conference on Harmonics and Quality of Power, Orlando Fl, USA, pp. 232-238, vol.1, 2000.

71.-   D. Rivas, L. Moran, J. Dixon, and J. Espinoza, “A simple control scheme for hybrid active power filter,” in Conf. Rec. PESC’00, Galway, IRLANDA, pp. 991-996, vol.2, 2000.

72.-   J. Espinoza, G. Joós, J. Guzmán, L. Morán, and R. Burgos, “Selective harmonic elimination and current/voltage control in current/voltage source topologies: A unified approach,” in Conf. Rec. IECON’99, San José CA, USA, pp. 318-323, Nov. 29 – Dec. 3, 1999. (Status: Published).

73.-   E. Araya, J. Espinoza, G. Joós, D. Sbárbaro, and L. Morán, “Sensores virtuales en rectificadores trifásicos PWM fuente de corriente,” en Anales del XIII Congreso Chileno de Ingeniería Eléctrica 1999, CCIE’99, Santiago, CHILE, pp. 254-259, Noviembre 8-12, 1999. (Status: Published).

74.-   J. Espinoza, G. Joós, E. Araya, D. Sbárbaro, and L. Morán, “Virtual-sensor-based  control  of  PWM  current  source  rectifiers,” in Conf. Rec. IAS’99, Phoenix AZ, USA, pp. 2201-2207, October 3-7, 1999. (Status: Published).

75.-   J. Espinoza, G. Joós, and L. Morán, “Decoupled control of the active and reactive power in three-phase PWM rectifiers based on non-linear control strategies,” in Conf. Rec. PESC’99, Charleston SC, USA, pp. 131-136, June 27 - July 1. 1999. (Status: Published).

76.-   J. Espinoza and L. Morán, “Cuantificación y aspectos normativos sobre la calidad de suministro de la energía,” in VII SEP, Viña del Mar, CHILE, April 21 - 23. 1999. (Status: Published).

77.-   J. Espinoza, G. Joós, L. Cea, and L. Salazar, “Space vector modulation techniques for current source rectifiers operating at switching frequencies up to 1 kHz,” in Conf. Rec. IECON’98, Aachen, GERMANY, pp. 542-547, August-Sept. 1998. (Status: Published).

78.-   J. Espinoza, “Control Desacoplado del Flujo de Potencia Activa y Reactiva Instantáneas en Rectificadores PWM” (Decopuled control of hte instantaneous active and reactive power in PWM rectifiers) in Anales del XIII Congreso de la Asociación Chilena de Control Automático 1998 ACCA’98 - CLCA’98, Viña del Mar, CHILE, pp. 321-326, Nov. 1998. (Status: Published).

79.-   L. Salazar, F. Zapata, and J. Espinoza, “Analysis and design of a single-phase PWM current source rectifier with neutral leg” in Conf. Rec. IECON’98, Aachen, GERMANY, pp. 519-524, August-Sept. 1998. (Status: Published).

80.-   P. Jain, J. Espinoza, “A single-stage zero-voltage zero-current switched full-bridge dc power supply with extended load power range,” in Conf. Rec. INTELEC’97, Melbourne, AUSTRALIA, Oct. 1997. (Status: Published).

81.-   P. Jain, J. Espinoza, and S. Dewan, “Self-started voltage source series resonant converter for high power induction heating and melting applications,” in Conf. Rec. IAS’97, San Jose CA, USA, pp. 1653-1660, Oct. 1997. (Status: Published).

82.-   J. Espinoza, G. Joós, and A. Bakhshai, “Non-linear control and stabilization of PWM current source rectifiers in the regeneration mode,” in Conf. Rec. APEC’97, Atlanta GA, USA, pp. 902-908, Feb. 1997. (Status: Published).

83.-   P. Jain and J. Espinoza, “Transient performance of a single-stage UPS system for single-phase trapezoidal-shaped ac voltage supplies,” in Conf. Rec. APEC’97, Atlanta GA, USA, pp. 832-838, Feb. 1997. (Status: Published).

84.-   A. Bakhshai, G. Joós, J. Espinoza, and H. Jin, “Fast space vector modulation based on a neurocomputing digital signal processor,” in Conf. Rec. APEC’97, Atlanta GA, USA, pp. 872-878, Feb. 1997. (Status: Published).

85.-   A. Bakhshai, J. Espinoza, G. Joós, and H. Jin, “A combined artificial neural network and DSP approach to the implementation of space vector modulation techniques,” in Conf. Rec. IAS’96, San Diego CA, USA, pp. 934-940, Oct. 1996. (Status: Published).

86.-   J. Espinoza and G. Joós, “Control Options for PWM Current Source Converters,” in Conf. Rec. PEMC’96, Budapest HUNGARY, pp. 2/231-2/235, Sept., 1996. (Status: Published).

87.-   J. Espinoza and G. Joós, “State Variable Decoupling and Power Flow Control in PWM Current Source Rectifiers,” in Conf. Rec. IECON’95, Orlando FL, USA, pp. 686-691, Nov. 1995. (Status: Published).

88.-   J. Espinoza and G. Joós, “A Current Source Inverter Induction Motor Drive System with Reduced Losses,” in Conf. Rec. IAS’95, Orlando FL, USA, pp. 45-52, Oct. 1995. (Status: Published).

89.-   J. Espinoza and G. Joós, “DSP Based Space Vector PWM Pattern Generators for Current Source Converters,” in Conf. Rec. CCECE’95, Montreal PQ, CANADA, pp. 979-982, Sept. 1995. (Status: Published).

90.-   G. Joós and J. Espinoza, “Reduction de la Distortion et Optimisation du Facteur de Puissance des Redresseurs M.L.I.,” in Conf. Rec. PRCR’95, Nantes, France, Janvier 1995. (Status: Published).

91.-   J. Espinoza and G. Joós, “Current Source Converter On-Line Pattern Generator Switching Frequency Minimization,” in Conf. Rec. IAS’94, Denver Colorado, USA, pp. 813-819, Oct. 1994. (Status: Published).

92.-   J. Espinoza and G. Joós, “DSP Implementation of Output Voltage Reconstruction in CSI Based UPS System,” in Conf. Rec. IECON’94, Bologna ITALY, pp. 491-496, Sept. 1994. (Status: Published).

93.-   J. Espinoza and G. Joós, “Power converter system simulation using high level languages,” in Conf. Rec. PELS’94, Trois-Rivières PQ, CANADA, pp. 79-84, August 1994. (Status: Published).

94.-   G. Joós and J. Espinoza, “Three Phase Series VAR Compensation Based on a Voltage Controlled Current Source Inverter with Supplemental Modulation Index Control,” in Conf. Rec. PESC’94, Taipei TAIWAN, pp. 1437-1442, June 1994. (Status: Published).

95.-   G. Joós and J. Espinoza, “A High Performance Voltage Regulated CSI AC Induction Motor Drive,” in Conf. Rec. APEC’94, Orlando FL, USA, pp. 501-506, Feb. 1994. (Status: Published).

96.-   G. Joós and J. Espinoza, “PWM Control Techniques in Current Source Rectifiers,” in Conf. Rec. IECON’93, Maui HAWAII, pp. 1210-1214, Nov. 1993. (Status: Published).

97.-   J. Espinoza, G. Joós and P. Ziogas, “Fast and Efficient Power Converter System Simulation Using High Level Languages,” in Conf. Rec. APT’93, Athens GREECE, Sept. 1993. (Status: Published).

98.-   E. Wiechmann, J. Espinoza, J. Rodríguez and L. Salazar, “A Direct Frequency Converter Controlled by Space Vectors,” in Conf. Rec. PESC’93, Seattle, USA, pp. 314-320, June 1993. (Status: Published).

99.-   J. Espinoza and G. Joós, “An Integrated Three Phase Voltage Regulated Current Source Inverter Topology,” in Conf. Rec. ISIE’93, Budapest HUNGARY, pp. 663-668, June 1993. (Status: Published).

100.- J. Espinoza and G. Joós, “On Line Generation of Gating Signals for Current Source Converter Topologies,” in Conf. Rec. ISIE’93, Budapest HUNGARY, pp. 674-678, June 1993. (Status: Published).

101.- J. Espinoza, G. Joós and P. Ziogas, “A General Purpose Voltage Regulated Current-Source Inverter Power Supply,” in Conf. Rec. APEC’93, San Diego CA, USA, pp. 778-784, March 1993. (Status: Published).

102.- J. Espinoza, G. Joós and P. Ziogas, “Voltage Controlled Current Source Inverters,” in Conf. Rec. IECON’92, San Diego CA, USA, pp. 512-517, Nov. 1992. (Status: Published).

103.- E. Wiechmann, J. Espinoza, y J. Rodríguez, “Rectificador Modulado por Vectores Espaciales” (Space Vector Modulated Rectifier). Anales IX Congreso Chileno de Ingeniería Eléctrica, Arica, Chile, Octubre 1991. (Status: Published).

104.- E. Wiechmann, J. Espinoza, y J. Rodríguez, “Compensador Estático de Reactivos y Armónicos Controlado por Vectores Espaciales” (Space Vector Controlled Reactive and Harmonic Static Power Compensator). Anales IX Congreso Chileno de Ingeniería Eléctrica, Arica, Chile, Octubre 1991. (Status: Published).

105.- E. Wiechmann y J. Espinoza, “Diagnóstico Experto de Fallas en Convertidores Estáticos de Potencia” (Expert Diagnostic of Static Power Converter Faults). III Seminario de Electrónica de Potencia - Tendencias y Aplicaciones de la Electrónica de Potencia y de Accionamientos Modernos en Procesos Industriales, Sept. 1990, Valparaíso - Chile. (Status: Published).

106.- E. Wiechmann, J. Espinoza y J. Rodríguez, “Asynchronous Bidirectional Direct Frequency Converted Controlled by Space Vectors,” Procee­dings of 1990 IEEE Colloquium in South America e Interelectra 1990 del IEEE, Sept. 1990, Santiago, Chile. (Status: Published).

107.- J. Espinoza, E. Wiechmann, y J. Rodríguez, “Matriz de Transferencia de Estados Discretos para la Modelación de Convertidores Estáticos” (Discrete State Transfer Matrix for Static Power Converter Modulation). IX Congreso de la Asociación Chilena de Control Automático, Pucón, Chile, Oct./Nov. 1990. (Status: Published).

108.- E. Wiechmann, J. Espinoza y J. Rodríguez, “Convertidor Asincrónico Bidireccional Directo de Frecuencia Controlado por Vectores Espa­ciales” (Asynchronous Bidirectional Direct Frequency Converted Controlled by Space Vectors). IX Congreso de la Asociación Chilena de Control Automático, Pucón, Chile, Oct./Nov. 1990. (Status: Published).

109.- E. Wiechmann, J. Espinoza and J. Rodríguez, “Compensated Carrier PWM Synchronization: A Novel Method to Achieve Self-Regulation and AC Unbalance Compensation in AC Fed Converters,” VIII Congreso de Ingeniería Eléctrica, Oct. 1989, Concepción, Chile. (Status: Published).

110.- E. Wiechmann, J. Rodríguez y J. Espinoza, “Matriz de Transferencia Instantánea: Un Nuevo Modelo Matemático para la Simulación Digital en Tiempo Real de Cicloconversores,” (Instantaneous Matrix Model: A Novel Mathematical Model for Real Time Simulation of Cycloconverters). VIII Congreso de Ingeniería Eléctrica, Oct. 1989, Concepción, Chile. (Status: Published).