Luís Manuel Ramos de Oliveira
Luís Oliveira received the Electrical Engineering Diploma, the M.Sc. degree in Electrical Engineering and the PhD degree in Electrical Engineering, from the University of Coimbra, Coimbra, Portugal, in 1995, 2001 and 2014, respectively. In 1996 he joined the University of Algarve, Portugal, where he is currently an Adjunct Professor. His research interests include modelling and simulation of power transformers, condition monitoring and diagnostics of power transformers, and protection systems.

PhD, Electrical Engineering, University of Coimbra, Coimbra, Portugal, 2014.
MSc, Systems and Automation, University of Coimbra, Coimbra, Portugal, 2001.
Licenciatura, Electrical Engineering, University of Coimbra, Coimbra, Portugal, 1996.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Modeling and Characterization of Leakage Inductances for Transformer Winding Fault Studies''; Technological Innovation for the Internet of Things, Luís M. Camarinha-Matos, Slavisa Tomic and Paulo Graça (Editor), , 423-430 pp., Springer Berlin Heidelberg (978-3-642-37290-2), Berlin, Germany, 2013.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Power Transformers Differential Protection Using the p-q Power Theory''; Technological Innovation for Value Creation, Luís M. Camarinha-Matos, Ehsan Shahamatnia and Gonçalo Nunes (Editor), , 283-290 pp., Springer Berlin Heidelberg (978-3-642-28254-6), Berlin, Germany, 2012.
Cardoso, A. J. M.; Oliveira, L. M. R.: ''Power Transformers Fault Diagnostics by Park’s Vector Approach''; Transformers: Analysis, Design, and Measurement, Xose M. López-Fernández, H. Bülent Ertan and Janusz Turowski (Editor), , 287-310 pp., CRC Press (978-1-466-50824-8), Boca Raton, USA, 2012.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Comparing Power Transformer Turn-to-Turn Faults Protection Methods: Negative Sequence Component Versus Space Vector Algorithms''; IEEE Transactions on Industry Applications, Vol. 53, No. 3, pp. 2817-2825, May / June, 2017.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Leakage Inductances Calculation for Power Transformers Interturn Fault Studies''; IEEE Transactions on Power Delivery, Vol. 30, No. 3, pp. 1213-1220, June, 2015.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Extended Park’s Vector Approach-Based Differential Protection of Three-Phase Power Transformers''; IET Electric Power Applications, Vol. 6, No. 8, pp. 463-472, September, 2012.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Application of Park’s Power Components to the Differential Protection of Three-Phase Transformers''; Electric Power Systems Research, Vol. 83, No. 1, pp. 203-211, February, 2012.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Power Transformers Winding Fault Diagnosis by the On-Load Exciting Current Extended Park’s Vector Approach''; Electric Power Systems Research, Vol. 81, No. 6, pp. 1206-1214, June, 2011.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''A Permeance-Based Transformer Model and Its Application to Winding Interturn Arcing Fault Studies''; IEEE Transactions on Power Delivery, Vol. 25, No. 3, pp. 1589-1598, July, 2010.
Cardoso, A. J. M.; Oliveira, L. M. R.: ''Condition Monitoring and Diagnostics of Power Transformers''; International Journal of COMADEM, Vol. 2, No. 3, pp. 5-11, July, 1999.
Cardoso, A. J. M.; Oliveira, L. M. R.; Gameiro, N. S.; Veloso, P. M. M. G.: ''Diagnóstico de Avarias em Transformadores Trifásicos''; Anais da Engenharia e Tecnologia Electrotécnica, Vol. , No. 6, pp. 9-12, March, 1998.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Comparing Power Transformer Turn-to-Turn Faults Protection Methods: Negative Sequence Component versus Space Vector Algorithms''; IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics & Drives, Guarda, Portugal, pp. 289-295, September, 2015.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''An EPVA-Based Strategy for Power Transformers Differential Protection''; Advanced Research Workshop on Transformers, Santiago Compostela, Spain, pp. 407-412, October, 2010.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Power Transformers Behaviour Under the Occurrence of Inrush Currents and Turn-to-Turn Winding Insulation Faults''; International Conference on Electrical Machines, Rome, Italy, pp. 1-7, September, 2010.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Intermittent Turn-to-Turn Winding Faults Diagnosis in Power Transformers by the On-Load Exciting Current Park's Vector Approach''; International Conference on Electrical Machines, Vilamoura, Portugal, pp. 1-6, September, 2008.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Detection of Transformer Intermittent Winding Faults by the On-Load Exciting Current Park's Vector Approach''; International Congress on Condition Monitoring and Diagnostic Engineering Management, Faro, Portugal, pp. 263-272, June, 2007.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Incipient Turn-To-Turn Winding Fault Diagnosis of Power Transformers by the On-Load Exciting Current Extended Park’s Vector Approach''; Advanced Research Workshop on Transformers, Vigo, Spain, pp. 134-139, October, 2004.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Parameters determination for the coupled electromagnetic transformer model, with particular reference to winding faults studies''; Congresso Luso Espanhol de Engenharia Electrotécnica, Vilamoura, Portugal, pp. 6.333-6.33, July, 2003.
Oliveira, L. M. R.; Cardoso, A. J. M.; Cruz, S. M. A.: ''Transformers On-Load Exciting Current Park’s Vector Approach as a Tool for Winding Faults Diagnostics''; International Conference on Electrical Machines, Brugge, Belgium, pp. 1-6, August, 2002.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''On-Line Diagnostics of Transformer Winding Insulation Failures, by Park’s Vector Approach''; International Electrical Insulation Conference, Berlin, Germany, pp. 16-21, June, 2002.
Oliveira, L. M. R.; Cardoso, A. J. M.; Cruz, S. M. A.: ''A Coupled Electromagnetic Transformer Model for the Analysis of Winding Inter-Turn Short-Circuits''; IEEE International Symposium on Diagnostics for Electrical Machines, Power Electronics & Drives, Grado, Italy, pp. 367-372, September, 2001.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Three-Phase, Three-Limb, Steady-State Transformer Model: The Case of a Ynzn Connection''; IASTED International Conference on Power and Energy Systems, Marbell, Spain, pp. 467-472, September, 2000.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Modelling and Simulation of Three-Phase Power Transformers''; International Conference ELECTRIMACS, Lisboa, Portugal, pp. 257-262, September, 1999.
Cardoso, A. J. M.; Oliveira, L. M. R.: ''Condition Monitoring and Diagnostics of Power Transformers''; International Congress on Condition Monitoring and Diagnostic Engineering Management, Launceston, Australia, pp. 591-599, December, 1998.
Oliveira, L. M. R.; Cardoso, A. J. M.: ''Diagnóstico de Avarias de Transformadores Trifásicos em Serviço Através da Análise do Vector de Park das Correntes de Excitação em Carga''; Congresso Nacional de Manutenção, Viseu, Portugal, pp. 853-866, April, 2002.
Gago, N. J. V., ''Reducing Current Harmonic Distortion by Using Paralel Active Filters: Analysis for Several Non-Linear Loads'', Supervisor: Oliveira, L. M. R., University of Algarve, Portugal, 2015.
Rafael, F. M., ''Numerical Differential Relay for Power Transformers Protection'', Supervisor: Oliveira, L. M. R., University of Algarve, Portugal, 2015.
Oliveira, L. M. R., ''Development of Fault Detection Methods and Protection Algorithms for Application in Continuous Monitoring Systems of Three-Phase Power Transformers (in Portuguese)'', Supervisor: Cardoso, A. J. M., University of Coimbra, Portugal, 2014.
Best paper award (2013)
Best paper award (field of Energy), 4th IFIP WG 5.5/SOCOLNET Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2013.