1. João L. Afonso, J. G. Pinto, Henrique Gonçalves. “Active Power Conditioners to Mitigate Power Quality Problems in Industrial Facilities,” in Power Quality Issues, Ahmed Zobaa, Ed. InTech, 2013, pp. 105-137. ISBN 978-953-51-1068-2. http://dx.doi.org/10.5772/53189 link

2. J. G. Pinto, Carlos Couto, João L. Afonso, “Analysis of the Features of a UPQC to Improve Power Quality in Smart Grid,” in Technological Innovation for the Internet of Things, 1st ed., Luis M. Camarinha-Matos, Slavisa Tomic, Paula Graça, Ed. Springer, 2013, Chapter 32, pp. 299-306, ISBN: 978-3-642-37290-2 (Print) 978-3-642-37291-9 (Online), DOI: 10.1007/978-3-642-37291-9_32 link

3. Kleber C. Oliveira, João L. Afonso, Marcelo C. Cavalcanti, “Multilevel Inverter for Grid-Connected Photovoltaic Systems with Active Filtering Function,” in Technological Innovation for the Internet of Things, 1st ed., Luis M. Camarinha-Matos, Slavisa Tomic, Paula Graça, Ed. Springer, 2013, Chapter 31, pp. 289-298, ISBN: 978-3-642-37290-2 (Print) 978-3-642-37291-9 (Online), DOI: 10.1007/978-3-642-37291-9_31 link

4. Vítor Monteiro, João C. Ferreira, Andrés A. Nogueiras Meléndez, João L. Afonso, “Electric Vehicles On-Board Battery Charger for the Future Smart Grids,” in Technological Innovation for the Internet of Things, 1st ed., Luis M. Camarinha-Matos, Slavisa Tomic, Paula Graça, Ed. Springer, 2013, Chapter 38, pp.351-358, ISBN: 978-3-642-37290-2 (Print) 978-3-642-37291-9 (Online), DOI: 10.1007/978-3-642-37291-9_38 link

5. Vítor Monteiro, Henrique Gonçalves, João C. Ferreira, João L. Afonso. “Batteries Charging Systems for Electric and Plug-In Hybrid Electric Vehicles,” in New Advances in Vehicular Technology and Automotive Engineering, 1st ed., J.P.Carmo and J.E.Ribeiro, Ed. InTech, 2012, pp.149-168. ISBN 978-953-51-0698-2. http://dx.doi.org/10.5772/2617 link

6. João C. Ferreira, A. Silva, Vítor Monteiro, João L. Afonso. “Collaborative Broker for Distributed Energy Resources,” in Computational Intelligence and Decision Making, 1st ed., A.Madureira, C.Reis, V.Marques, Ed. Springer, 2012, pp.367-378. ISBN 978-94-007-4721-0. http://goo.gl/G9Xh1 link

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1. Marcelo C. Cavalcanti, Alexandre M. Farias, Kleber C. Oliveira, Francisco A. S. Neves, João L. Afonso, “Eliminating Leakage Currents in Neutral Point Clamped Inverters for Photovoltaic Systems” IEEE Transactions on Industrial Electronics, Volume: PP, Issue:99, Digital Object Identifier: 10.1109/TIE.2011.2138671, Apr. 2011, ISSN: 0278-0046.

2. João C. Ferreira, Paulo Trigo, Alberto Silva, Helder Coelho, João L. Afonso, “Simulation of Electrical Distributed Energy Resources for Electrical Vehicles Charging Process Strategy” Published by IEEE Computer Magazine - dedicated to the Second Brazilian Workshop on Social Simulation (BWSS 2010), Oct. 2010, São Bernardo do Campo, São Paulo, Brazil, pp. 82-89, IEEEXplore Digital Object Identifier: 10.1109/BWSS.2010.15, ISBN: 978-1-4577-0895-4. link repositorium

3. Edson Hirokazu Watanabe, João Luiz Afonso, José Gabriel Pinto, Luís Fernando Corrêa Monteiro, Maurício Aredes, Hirofumi Akagi, “Instantaneous p q Power Theory for Control of Compensators in Micro-Grids” PRZEGLAD ELEKTROTECHNICZNY (Electrical Review), June. 2010, pp. 1-10, ISSN 0033-2097. link repositorium

4. L. F. C. Monteiro, João L. Afonso, J. G. Pinto, E. H. Watanabe, M. Aredes, H. Akagi, “Compensation Algorithms based on the p-q and CPC Theories for Switching Compensators in Micro-Grids” Revista Eletrônica de Potência – SOBRAEP – Brazilian Power Electronics Society, ISSN 1414-8862, Vol. 14, no. 4, Nov. 2009, pp. 259-268. link repositorium

5. João L. Afonso, José Batista, Manuel J. Sepúlveda e Júlio S. Martins, “Sistema Digital de Bajo Coste para la Monitorización de la Calidad de Energia Eléctrica” Revista Información Tecnológica, Centro de Informacion Tecnologica (CIT), vol. 18, no. 4, 2007, pp. 15 23. link repositorium

6. João Afonso, Carlos Couto, Júlio Martins, “Active Filters with Control Based on the p-q Theory” IEEE Industrial Electronics Society Newsletter, vol. 47, nº 3, Sept. 2000, pp. 5 10. link repositorium

7. J. Fonseca, J. Afonso, J. Martins e C. Couto, “Evaluación de la Aplicación de Técnicas de Lógica Difusa en el Control de Máquinas Eléctricas” Revista Información Tecnológica, Centro de Informacion Tecnologica (CIT), vol. 10, no. 3, 1999, pp 157 162. link repositorium

8. Jaime Fonseca, João L. Afonso, Júlio S. Martins e C. Couto, “Fuzzy Logic Speed Control of an Induction Motor” Revista Microprocessors and Microsystems, Elsevier, no. 22, 1999, pp. 523 534. link repositorium

9. J.G. Pinto, Henrique Gonçalves, João L. Afonso, “Condicionadores Ativos de Potência para Mitigação de Problemas de Qualidade de Energia Elétrica em Instalações Industriais”, Revista Robótica, no. 90, pp. 56-58, 2013, ISSN:0874-9019. link repositorium

10. Rui P. Moreira, Henrique Gonçalves, J.G. Pinto, João L. Afonso, “Monitorização da Qualidade da Energia Elétrica”, Revista Robótica, no. 90, pp. 60-62, 2013, ISSN:0874-9019. link repositorium

11. J. G. Pinto, Carlos Couto, João L. Afonso, “New Topology of Transformerless UPQC to Compensate Power Quality Problems” SEEUM2010 – Semana da Escola de Engenharia da Universidade do Minho 2011, Oct. 2011, Guimarães, Portugal, ISBN: 978-972-8692-59-9. link repositorium

12. João Luiz Afonso, “A Electrónica de Potência” Texto de Abertura para o Dossier sobre Electrónica de Potência, Revista Robótica, nº 74, 2009, ISSN: 0874-9019, pp. 36.

13. M. J. Sepúlveda Freitas, João L. Afonso, Júlio S. Martins, “Estudo e Desenvolvimento de Filtros Activos de Potência do Tipo Série com Sistema de Controlo Implementado em Computador Pessoal” Revista Engenharia Electrónica Industrial e Computadores, 2005, pp. 37-38. link repositorium

14. João L. Afonso, Júlio S. Martins, M. J. Sepúlveda Freitas, Eduardo Pinto, Renato Morgado, Tiago A. Sousa, Ricardo L. Pregitzer, José C. Costa, Nuno Fernandes, José Cunha, José Batista, “Projecto SINUS - Tecnologia para Compensação Dinâmica de Harmónicos, Factor de Potência e Desequilíbrios” Revista Engenharia Electrónica Industrial e Computadores, 2005, pp. 33-34. link repositorium

15. Tiago A. Sousa, Ricardo L. Pregitzer, Júlio S. Martins, João L. Afonso, “Impacto das Energias Renováveis no Panorama Energético Português” Revista Engenharia Electrónica Industrial e Computadores, 2005, pp. 29-30. link repositorium

16. José C. Costa, José Batista, Ricardo L. Pregitzer, Tiago N. Sousa, Júlio S. Martins, João L. Afonso, “Sistema de Monitorização da Qualidade da Energia Eléctrica” Revista Engenharia Electrónica Industrial e Computadores, 2005, pp. 19-20. link repositorium

17. Manuel Trindade, Júlio S. Martins, João L. Afonso, “Desenvolvimento de um Sistema para Optimização da Extracção de Energia de Painéis Solares Fotovoltaicos” Revista Engenharia Electrónica Industrial e Computadores, 2005, pp. 11-12. link repositorium

18. Ricardo L. Pregitzer, Tiago N. Sousa, Júlio S. Martins, João L. Afonso, “Aplicação de um Filtro Activo Paralelo para Interface entre Fontes de Energia Renovável e a Rede Eléctrica” Revista Engenharia Electrónica Industrial e Computadores, 2005, pp. 3-4. link repositorium

19. João Luiz Afonso e Júlio S. Martins, “Qualidade da Energia Eléctrica” Revista Robótica, nº 61, 2005, ISSN: 0874-9019, pp. 28-33. link repositorium

20. João Luiz Afonso, Tiago André Sousa, Ricardo Luís Pregitzer e Júlio S. Martins, “Qualidade da Energia Eléctrica: Casos Reais” Revista o Electricista, nº 12, 2005, ano 4, pp. 20-23. link repositorium

21. José Batista, Júlio S. Martins, João L. Afonso, “LabVIEW Monitoriza a Qualidade da Energia Eléctrica - Sistema de Monitorização da Qualidade da Energia Eléctrica Baseado em PC e Desenvolvido em LabVIEW” National Instruments, 2005. link repositorium

22. José Batista, Júlio S. Martins, João L. Afonso, “Sistema de Monitorização da Qualidade da Energia Eléctrica Baseado em PC e Desenvolvido em LabVIEW” Revista Robótica, nº 58, 2005, pp. 40-43. link repositorium

23. João Luiz Afonso e Júlio S. Martins, “Qualidade da Energia Eléctrica” Revista o Electricista, nº 9, 2004, ano 3, INPI: 359396, pp. 66-71. link repositorium

24. João Sepúlveda, João L. Afonso, J. S. Martins, “Filtro Activo Série para Compensação de Tensão” Revista Voltium – Revista do Núcleo Estudantil do IEEE da Universidade do Minho, 2002, pp. 21-25. link repositorium

25. José Batista, Júlio S. Martins, João L. Afonso, “Sistema Digital de Baixo Custo Para a Monitorização da Qualidade da Energia Eléctrica” Revista Voltium – Revista do Núcleo Estudantil do IEEE da Universidade do Minho, 2002, pp. 17 20. link repositorium

26. João L. Afonso, João Sepúlveda, Júlio S. Martins, “Filtros Activos de Potência para Melhoria da Qualidade de Energia Eléctrica” Voltium – Revista do Núcleo Estudantil do IEEE da Universidade do Minho, Nov. 2000, pp. 26-31. link repositorium

27. João L. Afonso, "Rectificador em Cascata com Regulação Automática" Revista Engenharia Electrónica Industrial, May. 1995, pp. 5-8. link repositorium

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1. Bruno Exposto, J. G. Pinto, Henrique Gonçalves, Vítor Monteiro, Delfim Pedrosa, Carlos Couto, João L. Afonso, “Evaluation of a Shunt Active Power Filter with Energy Backup Capability,” 39th Annual Conference of the IEEE Industrial Electronics Society – IECON2013. (aceite para publicação).

2. J. G. Pinto, Vítor Monteiro, Henrique Gonçalves, Bruno Exposto, Delfim Pedrosa, Carlos Couto, João L. Afonso, “Bidirectional Battery Charger with Grid-to-Vehicle, Vehicle-to-Grid and Vehicle-to-Home Technologies,” 39th Annual Conference of the IEEE Industrial Electronics Society – IECON2013. (aceite para publicação).

3. João C. Ferreira, Rui Santos, Vítor Monteiro, João L. Afonso, “Cloud Collaborative Broker for Distributed Energy Resources,” in IEEE CISTI 8th Iberian Conference on Information Systems and Technologies, Lisbon Portugal, June 2013.

4. J. G. Pinto, Carlos Couto, João L. Afonso, “Analysis of the Features of a UPQC to Improve Power Quality in Smart Grid,” in DoCEIS 2013 - 4th Doctoral Conference on Computing, Electrical and Industrial Systems, Costa de Caparica, Portugal, 15-17 Apr. 2013.

5. Kleber C. Oliveira, João L. Afonso, Marcelo C. Cavalcanti, “Multilevel Inverter for Grid-Connected Photovoltaic Systems with Active Filtering Function,” in DoCEIS 2013 - 4th Doctoral Conference on Computing, Electrical and Industrial Systems, Costa de Caparica, Portugal, 15-17 Apr. 2013.

6. Vítor Monteiro, João C. Ferreira, Andrés A. Nogueiras Meléndez, João L. Afonso, “Electric Vehicles On-Board Battery Charger for the Future Smart Grids,” in DoCEIS 2013 - 4th Doctoral Conference on Computing, Electrical and Industrial Systems, Costa de Caparica, Portugal, 15-17 Apr. 2013.

7. Bruno Exposto, J. G. Pinto, Delfim Pedrosa, Vítor Monteiro, H. Gonçalves, João L. Afonso, “Current-Source Shunt Active Power Filter with Periodic-Sampling Modulation Technique”, 38th Annual Conference of the IEEE Industrial Electronics Society – IECON2012, pp. 1628-1633, Montreal, Canada, Oct. 2012, ISBN: 978-1-4673-2420-5. link repositorium

8. Delfim Pedrosa, Henrique Gonçalves, Bruno Exposto, Júlio S. Martins, João L. Afonso, “A Simplified Methodology for Parameters Measurement of an Axial Flux Permanent Magnet Motor Without Neutral Point,” 38th Annual Conference of the IEEE Industrial Electronics Society – IECON2012, pp. 1628-1633, Montreal, Canada, Oct. 2012, ISBN: 978-1-4673-2420-5. link repositorium

9. J. G. Pinto, Bruno Exposto, Vitor Monteiro, L. F. C. Monteiro, Carlos Couto, João L. Afonso, “Comparison of Current-Source and Voltage-Source Shunt Active Power Filters for Harmonic Compensation and Reactive Power Control,” 38th Annual Conference of the IEEE Industrial Electronics Society – IECON2012, pp.5124-5129, Montréal, Canada, Oct. 2012, ISBN: 978-1-4673-2420-5. link repositorium

10. L. F. C. Monteiro, J. G. Pinto, J. L. Afonso, M. D. Bellar “A Three-Phase Four-Wire Unified Power Quality Conditioner Without Series Transformers”, 38th Annual Conference of the IEEE Industrial Electronics Society – IECON2012, pp.5124-5129, Montréal, Canada, Oct. 2012, ISBN: 978-1-4673-2420-5.

11. Vítor Monteiro, J. G. Pinto, Bruno Exposto, Henrique Gonçalves, João C. Ferreira, Carlos Couto, João L. Afonso, “Assessment of a Battery Charger for Electric Vehicles with Reactive Power Control,” 38th Annual Conference of the IEEE Industrial Electronics Society – IECON2012, pp.5124-5129, Montréal, Canada, Oct. 2012, ISBN: 978-1-4673-2420-5. link repositorium

12. V. Silva, J. G. Pinto, J. Cabral, J. L. Afonso, A. Tavares, “Real Time Digital Control System for a Single-Phase Shunt Active Power Filter”, IEEE INDIN’2012 - IEEE 10th International Conference on Industrial Informatics, Beijing, China, 25-27 July 2012. link repositorium

13. Vítor Monteiro, João C. Ferreira, João L. Afonso, “Smart Battery Charger for Electric Mobility in Smart Grids,” in SMARTGREENS 1st International Conference on Smart Grids and Green IT Systems, Porto Portugal, pp.101-106, Apr. 2012. DOI: 10.5220/0003954400490058 link repositorium

14. João C. Ferreira, Vítor Monteiro, João L. Afonso, “Electric Vehicle Route Recommender System,” in SMARTGREENS 1st International Conference on Smart Grids and Green IT Systems, Porto Portugal, pp.101-106, Apr. 2012. DOI: 10.5220/0003954400490058 link repositorium

15. João C. Ferreira, Vitor Monteiro, João L. Afonso, “Data mining approach for range prediction of electric vehicle”, in International Conference on Future Automotive Technology Focus Electromobility, Munich Germany, pp.1-8, Mar. 2012. link repositorium

16. Bruno Exposto, J. G. Pinto, Vitor Monteiro, D. Pedrosa, H. Gonçalves, João L. Afonso, “Experimental and Simulation Results of a Current-Source Three-Phase Shunt Active Power Filter using Periodic-Sampling”, Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp.488-493, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

17. Bruno Exposto, Nuno Manuel, J. G. Pinto, Vitor Monteiro, Delfim Pedrosa, João L. Afonso, “Experimental Results of a Developed Single-Phase Thyristor Switched Capacitor”, Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp.488-493, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

18. João C. Ferreira, Vítor Monteiro, João L. Afonso, “Real-Time Information Extraction of an Electric Vehicle,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp.488-493, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

19. João C. Ferreira, Vítor Monteiro, João L. Afonso, “Cooperative Transportation System for Electric Vehicles,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp.452-457, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

20. Vítor Monteiro, J. G. Pinto, João C. Ferreira, Henrique Gonçalves, João L. Afonso, “Bidirectional Multilevel Converter for Electric Vehicles,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp.434-439, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

21. Vítor Monteiro, Delfim Pedrosa, Bruno Exposto, João C. Ferreira, João L. Afonso, “Smart Charging System of the Electric Vehicle CEPIUM,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp.500-505, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

22. Vítor Monteiro, João C. Ferreira, J. G. Pinto, Bruno Exposto, Delfim Pedrosa, João L. Afonso, “Comparison of Charging Systems for Electric Vehicles and Their Impact on Electrical Grid,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp.440-445, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

23. Henrique Gonçalves, Manel Hlaili, Haddouk Amira, Hafidh Mechergui, João L. Afonso, “Simulation Results of a 1 kW Photovoltaic System with MPPT Function in the Inverter,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 – SAAEI’12, pp 420-424, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

24. Delfim Pedrosa, Vítor Monteiro, Henrique Gonçalves, Bruno Exposto, J. G. Pinto, João L. Afonso, “Conversion of an Internal Combustion Engine Vehicle into an Electric Vehicle,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 - SAAEI’12, pp. 446-451, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

25. Delfim Pedrosa, Rui Pereira, Henrique Gonçalves, Bruno Exposto, Vítor Monteiro, J. G. Pinto, João L. Afonso, “Development of a Digital Controller with Data Acquisition to a Test Bench for Eletric Motors,” Annual Seminar on Automation, Industrial Electronics and Instrumentation 2012 - SAAEI’12, pp. 458-463, Guimarães, Portugal, July. 2012, ISBN: 978-972-98603-5-5. link repositorium

26. João C Ferreira, Vítor Monteiro, João L. Afonso, ”Mobile Geographic Range Prediction for Electric Vehicles,” CETC 2011 – First Conference in Electronics, Telecommunications, and Computers, Nov. 2011, Lisbon, Portugal, ISBN: 978-989-97531-0-5. link repositorium

27. Joao C Ferreira, Vítor Monteiro, Alberto Silva and Joao Luiz Afonso, “Collaborative Broker for Distributed Energy Resources,” ISCIES 2011- International Symposium on Computational Intelligence for Engineering Systems, Nov. 2011, Coimbra, Portugal. link repositorium

28. Vítor Monteiro; Henrique Gonçalves; João L. Afonso, “Impact of Electric Vehicles on Power Quality in a Smart Grid Context,” IEEE EPQU 2011 - Electrical Power Quality and Utilization Conference, Lisbon, Portugal, Oct. 2011. link repositorium

29. Helder Carneiro; Bruno Exposto; João L. Afonso, “Evaluation of Two Fundamental Positive-Sequence Detectors for Highly Distorted and Unbalanced Systems” IEEE EPQU 2011 - Electrical Power Quality and Utilization Conference, Lisbon, Portugal, Oct. 2011. link repositorium

30. Bruno Exposto; Henrique Gonçalves; J. G. Pinto; João L. Afonso; Carlos Couto, “Three Phase Four Wire Shunt Active Power Filter from Theory to Industrial Facility Tests” IEEE EPQU 2011 - Electrical Power Quality and Utilization Conference, Lisbon, Portugal, Oct. 2011. link repositorium

31. J. G. Pinto; Helder Carneiro, Bruno Exposto, Carlos Couto, João L. Afonso, "Transformerless Series Active Power Filter to Compensate Voltage Disturbances" Proceedings of the 14th European Conference on Power Electronics and Applications (EPE 2011), pp. 1-6, Birmingham, United Kingdom, Aug. 2011. link repositorium

32. Carneiro, H.; Exposto, B.; Gonçalves, H.; Pinto, J.G.; Afonso, J.L. , "Single-phase Series Active Conditioner Active Power Flow in a Harmonic Free Electrical System During Sag and Swell Events" Proceedings of the 14th European Conference on Power Electronics and Applications (EPE 2011), pp. 1-10, Aug.2011, Birmingham, United Kingdom. link repositorium

33. Exposto, B.; Carneiro, H.; Pinto, G.; Couto, C.; Afonso, J.L., "Simulations of a Current-Source Shunt Active Power Filter with Carrier-Based PWM and Periodic Sampling Modulation Techniques" Proceedings of the 14th European Conference on Power Electronics and Applications (EPE 2011), pp. 1-8, Aug. 2011, Birmingham, United Kingdom. link repositorium

34. H. Carneiro, J. G. Pinto, J. L. Afonso, “Single-Phase Series Active Conditioner for the Compensation of Voltage Harmonics, Sags, Swell and Flicker” ISIE 2011 - 20th IEEE International Symposium on Industrial Electronics, pp. 384-389, June. 2011, Gdansk, Poland, IEEEXplore Digital Object Identifier: 10.1109/ISIE.2011.5984189, ISBN: 978-1-4244-9310-4. link repositorium

35. João C. Ferreira, João L. Afonso, “Mobi_System: A Personal Travel Assistance for Electrical Vehicles in Smart Cities” ISIE 2011 - 20th IEEE International Symposium on Industrial Electronics, pp. 1653-1658, June. 2011, Gdansk, Poland, IEEEXplore Digital Object Identifier: 10.1109/ISIE.2011.5984409, ISBN: 978-1-4244-9310-4. link repositorium

36. João C. Ferreira, Vítor Monteiro, João L. Afonso. “V2G Smart System: An intelligent System to the Electric Vehicle Charging Problem” IEEE 6th Iberian Conference on Information Systems and Technologies – CISTI 2011, June. 2011, Chaves, Portugal, ISBN: 978-1-4577-1487-0. link repositorium

37. Vítor Monteiro, João C. Ferreira, João L. Afonso, “An Agent Model for the Simulation of Electrical Vehicle Charging Management” IEEE 6th Iberian Conference on Information Systems and Technologies – CISTI 2011, June. 2011, Chaves, Portugal, ISBN: 978-1-4577-1487-0. link repositorium

38. João C. Ferreira, Alberto Silva, Vítor Monteiro, João L. Afonso, “Smart Electric Vehicle Charging System” IEEE Intelligent Vehicles Symposium - IV 2011, pp. 758-763, June. 2011, Baden-Baden, Germany, IEEEXplore Digital Object Identifier: 10.1109/IVS.2011.5940579, ISBN: 978-1-4577-0890-9. link repositorium

39. João C. Ferreira, Alberto Silva, João L. Afonso, “Agent Based Approaches for Smart Charging Strategy for Electric Vehicle” EVTEC 11 - 1st International Electric Vehicle Technology Conference, May. 2011, Yokohama, Japan. link repositorium

40. João Ferreira; Pedro Pereira, Filipe Porfírio, João L. Afonso, “Recommender System for Drivers of Electric Vehicles” IEEE 3rd International Conference on Electronics Computer Technology (ICECT 2011), Apr. 2011, Kanyakumari, India, pp. 244-248, IEEEXplore Digital Object Identifier: 10.1109/ICECTECH.2011.5941995, ISBN: 978-1-4244-8678-6. link repositorium

41. João C. Ferreira, João L. Afonso, “Towards a Collective Knowledge for a Smart Electric Vehicle Charging Strategy” IEEE International Conference on Industrial and Intelligent Information - ICIII 2011, Apr. 2011, Bali Island, Indonesia. link repositorium

42. S. S. Marques, J. L. Afonso, L. G. Reis, C. M. Silva, “Conventional, Plug-in Hybrid and Pure Electric Vehicle Fuel Life-Cycle Comparison Considering their Connection to the Portuguese Electrical Grid and Consequent Impact in CO2 Emissions” International Advanced Mobility Forum – IAMF 2011, Mar. 2011, Geneva International Motor Show, Geneva, Italy.

43. João C. Ferreira, João L. Afonso, “A Conceptual V2G Aggregation Platform” EVS-25 -The 25th World Battery, Hybrid and Fuel Cell Electric Vehicle Symposium & Exhibition, Nov. 2010, Shenzhen, China. link repositorium

44. João C. Ferreira, Paulo Trigo, Alberto Silva, Helder Coelho, João L. Afonso, “Simulation of Electrical Distributed Energy Resources for Electrical Vehicles Charging Process Strategy” 2010 Second Brazilian Workshop on Social Simulation (BWSS 2010), Oct. 2010, São Bernardo do Campo, São Paulo, Brazil, pp. 82-89, IEEEXplore Digital Object Identifier: 10.1109/BWSS.2010.15, ISBN: 978-1-4577-0895-4. link repositorium

45. Vítor Monteiro, João C. Ferreira, Gabriel Pinto, Delfim Pedrosa, João L. Afonso, “iV2G Charging Platform” IEEE-ITSC, 13th International IEEE Conference on Intelligent Transportation Systems, 19-22 Sept. 2010, Madeira, Portugal, pp. 409-414, IEEEXplore Digital Object Identifier: 10.1109/ITSC.2010.5625255, IEEE Catalog Number: CFP10ITS-CDR, ISBN: 978-1-4244-7657-2, ISSN: 2153-0009. link repositorium

46. K. C. Oliveira, M. C. Cavalcanti, J. L. Afonso, A. M. Farias, F. A. S. Neves, “Transformerless Photovoltaic Systems Using Neutral Point Clamped Multilevel Inverters” Proceedings of ISIE 2010 - 2010 IEEE International Symposium on Industrial Electronics, July. 2010, Bari, Italy, ISBN: 978-1-4244-6391-6, pp. 1131-1136.

47. E. H. Watanabe, J. L. Afonso, J. G. Pinto, L. F. C. Monteiro, M. Aredes, H. Akagi, “Instantaneous p-q Power Theory for Control of Compensators in Micro-Grids” IEEE ISNCC - International School on Nonsinusoidal Currents and Compensation, June. 2010, Lagów, Poland, ISBN: 978-1-4244-5435-8. link repositorium

48. Renato Alves, Pedro Neves, D. Gonçalves, J. G. Pinto, José Batista, João L. Afonso, “Electric Power Quality Monitoring Results in Different Facilities” IECON 2009 - The 35th Annual Conference of the IEEE Industrial Electronics Society, Nov. 2009, Porto, Portugal. link repositorium

49. Renato Alves, D. Gonçalves, J. G. Pinto, José Batista, João L. Afonso, “Development of an Electrical Power Quality Monitor Based on a PC” IECON 2009 - The 35th Annual Conference of the IEEE Industrial Electronics Society, Porto, Portugal, Nov. 2009. link repositorium

50. H. Carneiro, L. F. C. Monteiro, João L. Afonso, “Comparisons between Synchronizing Circuits to Control Algorithms for Single-Phase Active Converters” IECON 2009 - The 35th Annual Conference of the IEEE Industrial Electronics Society, Nov. 2009, Porto, Portugal. link repositorium

51. Telmo Santos, J. G. Pinto, P. Neves, D. Gonçalves, João L. Afonso, “Comparison of Three Control Theories for Single-Phase Active Power Filters” IECON 2009 - The 35th Annual Conference of the IEEE Industrial Electronics Society, Nov. 2009, Porto, Portugal. link repositorium

52. Pedro Neves, D. Gonçalves, J. G. Pinto, Renato Alves, João L. Afonso, “Single-Phase Shunt Active Filter Interfacing Renewable Energy Sources with the Power Grid” IECON 2009 - The 35th Annual Conference of the IEEE Industrial Electronics Society, Nov. 2009, Porto, Portugal. link repositorium

53. J. G. Pinto, Pedro Neves, D. Gonçalves, João L. Afonso, “Field Results on Developed Three-Phase Four-Wire Shunt Active Power Filters” IECON 2009 - The 35th Annual Conference of the IEEE Industrial Electronics Society, Nov. 2009, Porto, Portugal. link repositorium

54. L. F. C. Monteiro, João L. Afonso, J. G. Pinto, E. H. Watanabe, M. Aredes, Hirofumi Akagi, “Compensation Algorithms Based on the p-q and CPC Theories for Switching Compensators in Micro-Grids” COBEP 2009 - The 10th Brazilian Power Electronics Conference, Paper 1149, Sept. 2009, Bonito, MS, Brazil, ISSN 2175-8603, pp. 32-40. link repositorium

55. Filipe Ferreira, Luís Monteiro, João L. Afonso, Carlos Couto, “A Control Strategy for a Three-Phase Four-Wire Shunt Active Filter” IECON’08 - The 34th Annual Conference of the IEEE Industrial Electronics Society, Orlando, Florida, USA, Nov. 2008, pp.411-416, IEEEXplore Digital Object Identifier: 10.1109/IECON.2008.4757989, ISBN: 978-1-4244-1767-4. link repositorium

56. João L. Afonso, Renato Alves, José Batista, Domingos Gonçalves, Gabriel Pinto e Carlos Couto, “Sistema de Monitorização de Energia Eléctrica” 5º Congresso Luso-Moçambicano de Engenharia, Maputo, Moçambique, Sept. 2008. link repositorium

57. João C. Aparicio Fernandes, José A. B. Campos Neves, Manuel J. Sepúlveda Freitas, João L. Afonso, “Simple Camera Calibration for Light Measurements” ISIE’08 - 2008 IEEE International Symposium on Industrial Electronics, Cambridge, United Kingdon, June. 2008, CD-014117.

58. J. C. Aparício Fernandes, J. A. B. Campos Neves, Manuel J. S. Freitas, J. L Afonso, “Calibration of Camera for Light Quality Measurements of Low-Power Lamps” Proceedings of XCLEEE - 10th Portuguese-Spanish Congress in Electrical Engineering, Funchal, Portugal, July. 2007, ISBN: 978 972 8822-09-5.

59. M. João Sepúlveda, João L. Afonso, Júlio S. Martins, “Compensador de Tensão do Tipo Activo Série Controlado por Computador Pessoal” Proceedings of XCLEEE - 10th Portuguese-Spanish Congress in Electrical Engineering, Funchal, Portugal, July. 2007, ISBN: 978 972 8822-09-5. link repositorium

60. R. Pregitzer, J. G. Pinto, P. Neves, Luís F. C. Monteiro, João L. Afonso, “Filtros Activos Paralelos para Compensação Dinâmica de Problemas de Corrente em Sistemas Monofásicos e Trifásicos” Proceedings of XCLEEE - 10th Portuguese-Spanish Congress in Electrical Engineering, Funchal, Portugal, July. 2007, ISBN: 978 972 8822-09-5. link repositorium

61. Luís Monteiro, R. Pregitzer, J. G. Pinto, João L. Afonso, Maurício Aredes, “Condicionador Unificado para a Compensação Simultânea de Problemas de Tensão e Corrente” Proceedings of XCLEEE - 10th Portuguese-Spanish Congress in Electrical Engineering, Funchal, Portugal, July. 2007, ISBN: 978 972 8822-09-5. link repositorium

62. João L. Afonso, R. Pregitzer, J. G. Pinto, Luís Monteiro, Pedro Neves, R. Alves, D. Gonçalves, José Cunha, José Batista, Júlio S. Martins, M. J. S. Freitas, Eduardo Pinto, Renato Morgado, “SINUS - Tecnologia para Monitorização da Qualidade de Energia, Compensação Dinâmica de Harmónicos, Factor de Potência e Desequilíbrios e para Interface de Fontes Renováveis” Proceedings of XCLEEE - 10th Portuguese-Spanish Congress in Electrical Engineering, Funchal, Portugal, July. 2007, ISBN: 978 972 8822-09-5. link repositorium

63. R. Pregitzer, J. G. Pinto, Luís F.C. Monteiro, João L. Afonso, “Shunt Active Power Filter with Dynamic Output Current Limitation” Proceedings of ISIE 2007- 2007 IEEE International Symposium on Industrial Electronics, June. 2007, Vigo, Spain, ISBN: 1 4244-0755-9. link repositorium

64. Pedro Neves, Gabriel Pinto, Ricardo Pregitzer, Luís Monteiro, João L. Afonso, “Experimental Results of a Single-Phase Shunt Active Filter Prototype with Different Switching Techniques” Proceedings of ISIE 2007- 2007 IEEE International Symposium on Industrial Electronics, June. 2007, Vigo, Spain, ISBN:1-4244-0755-9. link repositorium

65. R. Pregitzer, J. G. Pinto, M. João Sepúlveda, João L. Afonso, “Parallel Association of Shunt Active Power Filters” Proceedings of ISIE 2007- 2007 IEEE International Symposium on Industrial Electronics, June. 2007, Vigo, Spain, ISBN:1-4244-0755-9. link repositorium

66. L. G. B. Rolim, A. Ortiz, M. Aredes, R. Pregitzer, J. G. Pinto, João L. Afonso, “Custom Power Interfaces for Renewable Energy Sources” Proceedings of ISIE 2007- 2007 IEEE International Symposium on Industrial Electronics, June. 2007, Vigo, Spain, ISBN: 1 4244-0755-9. link repositorium

67. J. G. Pinto, R. Pregitzer, Luís. F. C. Monteiro, Carlos Couto, João. L. Afonso, “A Combined Series Active Filter and Passive Filters for Harmonics, Unbalances and Flicker Compensation” Proceedings of POWERENG - First International Conference on Power Engineering, Energy and Electrical Drives, Apr. 2007, Setubal, Portugal, pp 54 59, IEEEXplore Digital Object Identifier: 10.1109/POWERENG.2007.4380200, ISBN: 978-1-4244-0895-5. < link repositorium

68. J. G. Pinto, R. Pregitzer, Luís F. C. Monteiro, José Batista, João L. Afonso, “Developed Power Quality Monitor Used for Shunt Active Power Filter Studies” Proceedings of ICREPQ’07- International Conference on Renewable Energies and Power Quality, Mar. 2007, Seville, Spain, ISBN:978-84-611-4707-6. link repositorium

69. J. G. Pinto, R. Pregitzer, Luís F. C. Monteiro, João L. Afonso, “3 Phase 4 Wire Shunt Active Power Filter with Renewable Energy Interface” Proceedings of ICREPQ’07- International Conference on Renewable Energies and Power Quality, Mar. 2007, Seville, Spain, ISBN: 978-84-611-4707-6. link repositorium

70. J. G. Pinto, Pedro Neves, Ricardo Pregitzer, Luís F. C. Monteiro, João L. Afonso, “Single-Phase Shunt Active Filter with Digital Control” Proceedings of ICREPQ’07- International Conference on Renewable Energies and Power Quality, Mar. 2007, Seville, Spain, ISBN:978-84-611-4707-6. link repositorium

71. Ricardo Pregitzer, J. C. Costa, Júlio S. Martins, and João L. Afonso, “Simulation and Implementation Results of a 3 Phase 4 Wire Shunt Active Power Filter” ICHQP\'2006 - International Conference on Harmonics and Quality of Power, Oct. 2006, Cascais, Portugal. link repositorium

72. José C. C. Costa, Ricardo L. G. Pregitzer, José Batista, João L. Afonso, “Power Quality Studies Using a Developed Low Cost Power Quality Monitor” ICHQP\'2006 - International Conference on Harmonics and Quality of Power, Oct. 2006, Cascais, Portugal. link repositorium

73. Ricardo Pregitzer, José C. Costa, Júlio S. Martins, João L. Afonso, “Filtro Activo Paralelo como Interface entre Fontes de Energia Renovável e a Rede Eléctrica” ENER’06 – Conferência Internacional sobre Energias Renováveis, Segurança e Integridade do Sistema Eléctrico, Figueira da Foz, Portugal, Sept. 2006. link repositorium

74. José C. Costa, Ricardo G. Pregitzer, José Batista, Júlio S. Martins, João L. Afonso, “Monitorização da Qualidade da Energia Eléctrica em Instalações Industriais” ENER’06 – Conferência Internacional sobre Energias Renováveis, Segurança e Integridade do Sistema Eléctrico, Figueira da Foz, Portugal, Sept. 2006. link repositorium

75. João L. Afonso, Júlio S. Martins, M. J. Sepúlveda Freitas, Renato Morgado, J. Gabriel Pinto, Ricardo Pregitzer, José Cunha, José Batista, Eduardo Pinto, “Projecto SINUS - Tecnologias para Melhoria da Eficiência e da Qualidade de Energia em Sistemas Eléctricos” ENER’06 – Conferência Internacional sobre Energias Renováveis, Segurança e Integridade do Sistema Eléctrico, Figueira da Foz, Portugal, Sept. 2006. link repositorium

76. Andreia M. A. Brízida, Liliana B. Castro, João L. Afonso, “Web Evaluator for Students – A Case Example” HSCI\' 2006 - 3rd International Conference on Hands-on Science - Science Education and Sustainable Development, Sept. 2006, Universidade do Minho, Braga, Portugal, ISBN: 989-9509-50-7, pp. 101-102.

77. José G. O. Pinto, João L. Afonso, “Development of a Low Cost Digital Energy Meter” HSCI\' 2006 - 3rd International Conference on Hands-on Science - Science Education and Sustainable Development, Sept. 2006, Universidade do Minho, Braga, Portugal ISBN: 989-9509-50-7, pp. 257-261. link repositorium

78. Pedro N. C. Neves e João L. Afonso, “Traction System for Electric Vehicles Using a Variable Frequency Three-Phase Induction Motor Driver with Regenerative Braking” HSCI\' 2006 - 3rd International Conference on Hands-on Science - Science Education and Sustainable Development, Sept. 2006, Universidade do Minho, Braga, Portugal ISBN: 989-9509-50-7, pp. 174-175. link repositorium

79. Pedro N. C. Neves e João L. Afonso, “Development of a Variable Frequency Power Electronics Inverter to Control the Speed of a Three-Phase Induction Motor” HSCI\' 2006 - 3rd International Conference on Hands-on Science - Science Education and Sustainable Development, Sept. 2006, Universidade do Minho, Braga, Portugal, ISBN: 989 9509 50-7, pp. 65-67. link repositorium

80. Liliana B. Castro, Adriano Tavares e João L. Afonso, “Teaching with Internet Support - A Case Example” CEE’05 – IEEE 1st International Conference on Electrical Engineering, Coimbra, Portugal, ISBN: 972-99064-3-2, Oct. 2005. link repositorium

81. José C. C. Costa, Ricardo L. Pregitzer, Tiago N. Sousa, José Batista, João L. Afonso, “A Case of Power Quality Assessment Using a Developed Power Quality Monitor” CEE’05 – IEEE 1st International Conference on Electrical Engineering, Coimbra, Portugal, ISBN: 972-99064-3-2, Oct. 2005. link repositorium

82. Ricardo G. Pregitzer, Tiago N. Sousa, João L. Afonso, Luís F. C. Monteiro e Maurício Aredes, “Comparison of Fundamental Posistive-Sequence Detectors for Highly Distorted and Unbalanced Systems” CEE’05 – IEEE 1st International Conference on Electrical Engineering, Coimbra, Portugal, ISBN: 972-99064-3-2, Oct. 2005. link repositorium

83. M. J. Sepúlveda Freitas, João L. Afonso e Júlio S. Martins, “A Single Phase Power Series Compensator for Voltage Distortion” CEE’05 – IEEE 1st International Conference on Electrical Engineering, Coimbra, Portugal, Oct. 2005. link repositorium

84. Luís F. C. Monteiro, José C. C. Costa, Maurício Aredes, João L. Afonso, “A Control Strategy for a Three-Level Unified Power Quality Conditioner,” Proceedings (CD-ROM) 8th COBEP - Congresso Brasileiro de Eletrônica de Potência, Recife, PE, Brasil, July. 2005. link repositorium

85. Luís F. C. Monteiro, Maurício Aredes, José C. C. Costa e João L. Afonso, “Algumas Contribuições para o Controle de Filtros Ativos” CBA 2004 – XV Congresso Brasileiro de Automática, Gramado, RS, Brasil, Sept. 2004. link repositorium

86. Ricardo G. Pregitzer, Tiago N. Sousa, M. João Sepúlveda e João L. Afonso, “Análise e Simulações de um Filtro Banda Adaptativo Aplicado a um Filtro Activo Série” CBA 2004 – XV Congresso Brasileiro de Automática, Gramado, RS, Brasil, Sept. 2004. link repositorium

87. Júlio S. Martins, Carlos C. Couto e João L. Afonso, “Qualidade de Energia Eléctrica” 3º Congresso Luso-Moçanbicano de Engenharia – CLME’2003 – Engenharia e Inovação para o Desenvolvimento, Maputo, Moçambique, Aug. 2003, pp. 219-231. link repositorium

88. Emílio F. Couto, Júlio S. Martins, João L. Afonso, “Resultados de Simulações de um Filtro Activo Paralelo com Controlo Baseado na Teoria p-q” 8º Congresso Luso-Espanhol de Engenharia Electrotécnica, pp. 4.159-4.164, Vilamoura, Algarve, Portugal, July. 2003, ISBN: 972-8822-00-6. link repositorium

89. José Batista, Júlio S. Martins, João L. Afonso, “Sistema de Monitorização da Qualidade da Energia Eléctrica Baseado em PC” 8º Congresso Luso-Espanhol de Engenharia Electrotécnica, pp. 4.53-4.58, Vilamoura, Algarve, Portugal, July. 2003, ISBN: 972-8822-00-6. link repositorium

90. João L. Afonso, M. J. Sepúlveda Freitas, and Júlio S. Martins, “p-q Theory Power Components Calculations” ISIE’2003 - IEEE International Symposium on Industrial Electronics, Rio de Janeiro, Brasil, June. 2003, ISBN: 0 7803 7912 8. link repositorium

91. M. J. Sepúlveda, João L. Afonso, Adriano Tavares, Júlio S. Martins, “A Personal Computer Based Controller for an Active Power Filter” ISIE’2003 - IEEE International Symposium on Industrial Electronics, Rio de Janeiro, Brasil, June. 2003, ISBN: 0 7803-7912-8. link repositorium

92. José Batista, Júlio S. Martins, João L. Afonso, “Low-Cost Power Quality Monitor Based on a PC” ISIE’2003 - IEEE International Symposium on Industrial Electronics, Rio de Janeiro, Brasil, June. 2003, ISBN: 0-7803-7912-8 link repositorium

93. Paulo Ferreira, Manuel Trindade, Júlio S. Martins, João L. Afonso, “Interfaces for Renewable Energy Sources with Electric Power Systems” Environment 2010 – Situation and Perspectives for the European Union, paper D 02, Porto, Portugal, May. 2003, ISBN: 972-98944-0-x. link repositorium

94. M. Fernanda Moreira, Júlio S. Martins, João L. Afonso, “Renewable Energy in Portugal - Legislation, Incentives and Suggestions” ICREPQ’03 – International Conference on Renewable Energies and Power Quality, paper 406, Vigo, Espanha, Apr. 2003, ISBN: 84-607-6768-x. link repositorium

95. M. João Sepúlveda Freitas, João L. Afonso, Júlio S. Martins, “A Series Active Power Filter Controlled by Personal Computer” ICREPQ’03 – International Conference on Renewable Energies and Power Quality, paper 396, Vigo, Espanha, Apr. 2003, ISBN: 84-607-6768-x. link repositorium

96. Emílio F. Couto, Júlio S. Martins, Joao L. Afonso, “Simulation Results of a Shunt Active Power Filter with Control Based on p-q Theory” ICREPQ’03 – International Conference on Renewable Energies and Power Quality, paper 394, Vigo, Espanha, Apr. 2003, ISBN: 84-607-6768-x. link repositorium

97. José Batista, Júlio S. Martins, João L. Afonso, “Low-Cost Digital System for Power Quality Monitoring” ICREPQ’03 – International Conference on Renewable Energies and Power Quality, paper 385, Vigo, Espanha, Apr. 2003, ISBN: 84 607 6768 x. link repositorium

98. João L. Afonso, H. R. Silva, Júlio Martins, “Active Filters for Power Quality Improvement” IEEE Power Tech’2001, Sept. 2001, Porto, Portugal. link repositorium

99. H. R. Silva, João L. Afonso, Júlio S. Martins, “Avaliação de Diferentes Técnicas de Análise de Sistemas Eléctricos com Formas de Onda Não-Sinusoidais” IV SBQEE, Aug. 2001, Porto Alegre, Brasil. link repositorium

100. João Afonso, Júlio Martins, M. Aredes e E. Watanabe, “Filtro Activo Paralelo com Controle Digital de Baixo Custo” IV SBQEE, Porto Alegre, Brasil, Aug. 2001. link repositorium

101. João Afonso, Maurício Aredes, Edson Watanabe, Júlio Martins, “Shunt Active Filter for Power Quality Improvement” International Conference UIE 2000 - Electricity for a Sustainable Urban Development, Lisboa, Portugal, Nov. 2000, pp. 683- 691. link repositorium

102. Jaime Fonseca, João Afonso, Júlio Martins e Carlos Couto, “Induction Motor Slip Control with Efficiency Optimization Using Fuzzy Logic Techniques” ASCC - Asian Control Conference, Seoul, Coréia, July. 1997. link repositorium

103. João L. Afonso, Jaime Fonseca, Júlio Martins e Carlos Couto, “Fuzzy Logic Techniques Applied to the Control of a Three-Phase Induction Motor” ISIE\'97 - IEEE International Symposium on Industrial Electronics, Guimarães, Portugal, July. 1997, pp. 1179 1184. link repositorium

104. Jaime Fonseca, João Afonso, Júlio Martins e Carlos Couto, “Avaliação da Aplicação de Técnicas de Lógica Fuzzy no Controlo de Máquinas Eléctricas” 5as Jornadas Hispano-Lusas de Ingenieria Electrica, Salamanca, Espanha, July. 1997. link repositorium

105. Jaime Fonseca, João Afonso, Júlio Martins e Carlos Couto, “Evaluation of Neural Network and Fuzzy Logic Techniques Applied to the Control of Electrical Machines” The 3rd International Conference on Mechatronics and Machine Vision in Practice, Guimarães, Portugal, Sept. 1996, pp. 215-220. link repositorium

106. João L. Afonso, Nelson H. C. Santiago e Moris Alkabes, “Rectificador em Cascata com Regulação Automática” 4as Jornadas Luso-Espanholas de Engenharia Electrotécnica, Porto, Portugal, July. 1995, pp.239-242. link repositorium

107. Antonio Lima, George Soares, João L. Afonso e Antonio Lima, “Otimização do Projeto de Válvulas de Tiristores para Compensadores Estáticos do tipo RRT” SNPTEE 91, Rio de Janeiro, Brasil, 1991.

108. António Roseval, George Soares, Antonio Lima e João L. Afonso, “Optimization of the Thyristor Valves Design for TCR Static VAR Compensators” IEE International Conference on AC and DC Power Transmission, Londres, Inglaterra, Sept. 1991, pp. 261-265. link repositorium

109. Antonio Lima e João L. Afonso, “Commutation Overvoltages on Static VAR Compensators” EPE’89, 3rd European Conference on Power Electronics and Applications, Aachen, Alemanha, 1989.

95. Ricardo L. Pregitzer, Tiago N. Sousa, Júlio S. Martins, João L. Afonso, “Interface entre Fontes de Energia Renovável e a Rede Eléctrica” Conferência sobre Energias Renováveis e Ambiente em Portugal, Figueira da Foz, Portugal, May. 2005, ISBN: 972-8822-02-02, pp. 1.143-1.148. link repositorium

96. Tiago A. Sousa, Ricardo L. Pregitzer, Júlio S. Martins, João L. Afonso, “Estudo do Panorama das Energias Renováveis na União Europeia e Sugestões para Portugal” ENER’05 – Conferência sobre Energias Renováveis e Ambiente em Portugal, Figueira da Foz, Portugal, May. 2005, ISBN: 972-8822-02-02, pp. 1.87-1.92. link repositorium

97. Manuel Trindade, Júlio S. Martins, João L. Afonso, “Sistema para Optimização da Extracção de Energia de Painéis Solares Fotovoltaicos” ENER’05 – Conferência sobre Energias Renováveis e Ambiente em Portugal, Figueira da Foz, Portugal, May. 2005, ISBN: 972-8822-02-02, pp. 1.165-1.170. link repositorium

98. M. Fernanda T. Moreira, José A. Afonso, Júlio S. Martins, João L. Afonso, “Programa para a Estimativa do Custo e Produção de Energia Eléctrica para uma Residência” ENER’04 – Simpósio sobre Energias Renováveis em Portugal, Figueira da Foz, Portugal, May. 2004, ISBN: 972-8822-01-4, pp. 2.43 2.48. link repositorium

99. M. Fernanda T. Moreira, Júlio S. Martins, João L. Afonso, “Medidas Reguladoras, Normas e Legislação Portuguesa Aplicável às Energias Renováveis e Sugestões” ENER’04 – Simpósio sobre Energias Renováveis em Portugal, Figueira da Foz, Portugal, May. 2004, ISBN: 972-8822-01-4, pp. 2.25 2.30. link repositorium

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