Rick Marek received his BSEE from Purdue University in 1970 and has been employed with DuPont since 1998. His previous work experience includes a total of 28 years as an engineer in design, test and development for specialty magnetics, dry-type, epoxy cast and liquid immersed transformer products. For 20 of those years he served as a design or engineering manager. He holds three patents and his papers have been published by IEEE, CIGRE, MatPost and INSUCON. He is a senior life member of IEEE where he has been active in the Transformers Committee, various subcommittees and numerous working groups since 1982. Rick has served as chairman of the high-temperature liquid immersed transformer standard C57.154, an amendment to the fiber optic sensor guide, IEEE 1538a and the dry-type loading guide, C57.96. He is the past and current chairman of the harmonic loading guide, C57.110 and co-chairman of the dry-type partial discharge measurement guide, C57.124. He is also an IEC TC14 delegate for the US Technical Advisory Group, recipient of the IEC 1906 award and was the convenor of the high-temperature liquid immersed transformer standard IEC 60076-14. Rick is currently a member of the dry-type working group IEC 60076-11, the liquid loading guide IEC 60076-7 and he is the reciprocal liaison between IEC TC112 and TC14.
Lorena Cebrián finished her studies of electronic engineering at the Technical Industrial Engineering University of Zaragoza, Spain in 2007. She is working in Asea Brown Boveri as development engineer for Transformers since 2009 and has participated in International projects within the company. Her main focus is on special tests for dry-type transformers regarding their withstanding of severe climatic, environmental and fire exposure conditions, and has lead projects concerning environmental tests validated in independent laboratories. She is coauthor of several patents.
Stefan Tenbohlen received his Diploma and Dr.-Ing. degrees from the Technical University of Aachen, Germany, in 1992 and 1997, respectively. 1997 he joined ALSTOM Schorch Transformatoren GmbH, Mönchengladbach, Germany, where he was responsible for basic research and product development. From 2002 to 2004 he was the head of the electrical and mechanical design department. 2004 he was appointed to a professorship and head of the institute of Power Transmission and High Voltage Technology of the University of Stuttgart, Germany. In this position his main research fields are high voltage technique, power transmission and electromagnetic compatibility (EMC). Prof. Tenbohlen holds several patents and published more than 400 papers. He is member of the IEEE, CIGRE SC A2 (Power Transformers), german CIGRE committees of A2, D1 (Emerging Technologies), C4 (System Technical Performance), several international working groups and the chairman of german Power Engineering Society VDE-ETG FB Q2 (Materials, Electrical Insulations and Diagnostics).
Adolfo Ibero, received his Engineer degree from ETSII Bilbao in 1974 and Doctor Engineer degree from ETSII San Sebastian (Universidad Navarra) in 1989. He is working in Electrotécnica Arteche since 1977, with 40 years experience in electrical engineering related with Electrical and Electronic equipment design and test laboratories, instrument transformers, electrical protections and other equipments.
He is Technical Manager at Electrotécnica Arteche and member of IEC-TC38 Instrument Transformer. Author of studies and articles related with: Ferroresonance; Thermal stability of very high voltage insulations; Insulation behaviour with Very High Voltage and Frequency Transients; Electronic transformers (Current and Voltage); Transient response of current transformers (Linearized and no linearized); Windings behaviour in voltage transformers with very high voltage and frequency transients.
Laurentiu-Viorel Badicu is Product Manager at OMICRON Energy Solutions GmbH, Berlin, Germany since 2015. He is responsible for transformer monitoring product portfolio and its further development. He joined OMICRON in 2012 as an Application Engineer for HV assets. He received his Dipl.-Ing. and Ph.D. degrees in electrical engineering from University Politechnica of Bucharest, Romania in 2008 and 2012 respectively.
Graduated in electrical engineering at the University of Oporto in 2000. Since 2000 he has been working at Rede Eléctrica Nacional (REN), Portugal, as an engineer in the Operation and Maintenance Division. Since 2004, he has worked in the Substation Maintenance and Asset Engineering departments, where he develops technical specifications and project management activities for maintenance, inspection, testing, monitoring and refurbishment work on the HV substations and their equipment. He is specially dedicated to all activities related to the lifecycle management of power transformers, from technical specification, testing, maintenance, testing, condition assessment, data management and lifecycle management of power transformers. He has participated in the Cigre workgroup dedicated to Transformer Intelligent Condition Monitoring.
Miguel Martínez is a standardization and maintenance technician working for Iberdrola Distribución Electrica since 2006, where he has focused on maintenance and has developed an asset management IT system. Miguel born in Madrid in 1981, obtained the 3-years degree in electrical engineering, electrical, electronics and automation master degree and organization and logistics master degree from Universidad Carlos III, Madrid Spain in 2004, 2011 and 2012 respectively and 4-years degree in electrical engineering from Alfonso X El Sabio University, Madrid Spain in 2011. In 2005 Miguel was accredited as Level I thermographer from ITC. WG A2.43 “Transformer Bushings Reliability” member.
Dr. Bruce Pahlavanpour is a Senior Technical Advisor working for Nynas Naphthenics. Previous to that he was Professor of Petroleum Chemistry at Cranfield University working for National Grid UK, University lecturer and Head of Environmental studies department. Dr. Pahlavanpour is a world recognised expert in the field of insulating oils. He is Chairman of IEC TC10, Chairman of BSI insulating fluids GEL10, UK representative and Chairman of several IEC and CIGRE committees and IEC 2006 award winner. Bruce has published, during his extensive carrier, over 380 articles as well as technical reports in several international journals. In addition to that, Bruce has held several technical seminars around the world and was a key participant in the compilation of the Nynas transformer oil handbook, two chapters in CRC Rubber hand book (CRC publication, USA) and one chapter in Petro Analysis 87 (Butterworth publication UK).
Luis Del Río Etayo is working for Ormazabal Corporate Technology in Amorebieta/Spain as the Virtual Testing Lab Manager and, since 2014, the On-Load Tap Changer R&D leader. He graduated in Electrical Engineering, BSc (Eng), from the Technical Engineering School of Bilbao in 2001 and received an MSc in Simulation Technologies, in 2004, from CIMNE and the Polytechnic University of Catalonia. He also received an MSc in Electric Systems and an MPM in 2006 and 2008 respectively from the University of the Basque Country. In 2014 he completed his PhD in Industrial Engineering at the University of the Basque Country with a thesis about a New Product Development Strategy to boost Product Innovation. Luis is a certified PSE by NAFEMS and since 2001 has run or supervised more than 1000 simulation studies to address different design challenges (mechanical, fluid dynamics and electromagnetic). He also contributes to several working groups in CIGRE with the aim of standardizing virtual experimentation as an alternative, or complement, to physical testing.
Dipl.-Ing. (TU) Rainer Frotscher is working for Maschinenfabrik Reinhausen (MR) in Regensburg/Germany as expert for special tap-changer applications.
For many years, he has been working in the R&D department on manifold projects and studies to promote the technology of on-load tap-changers. His area of expertise is the applicability of alternative liquids and DGA for tap-changers. As core competence manager for insulating liquids and gases, he now develops the knowledge within the Reinhausen Group concerning the interaction of solid, liquid and gaseous insulating materials. As a member of CIGRE and DKE, he has done multiple publications and contributes to several working groups in CIGRE, IEEE and DKE.
Dipl.-Ing. Frotscher was born in Bremen, Germany on March 4, 1960. He received his Master’s Degree in Electrical Engineering from the Technical University of Munich where he wrote his thesis in high-voltage engineering.
Ana Aznar received her MSc in Industrial Engineering from University of Sevilla, Spain, in 2006 and the same year developed her final career project at the University of La Rochelle, France. She also has a master degree in Project, Construction and Maintenance of HV structures from ICAI University, Spain. Since 2008, she works at Red Eléctrica de España (REE) as an engineer in the Substation Maintenance Department, where she is in charge of the maintenance of transformers (asset management, diagnostic techniques, monitoring, etc.) and supports other departments as a transformers specialist. Prior to that, she worked for two years at Red Eléctrica International (subsidiary of REE) as a Substations Maintenance consultant, developing projects in Northern Africa. She is member of UNESA committee AEN/CTN207/SC10 as wells as member of CIGRE Working Groups (A2.43 “Transformer Bushings Reliability” and A2.55 “Life extension of oil filled transformers”).
Vander Tumiatti is the founder and owner of SEA MARCONI
TECHNOLOGIES (SMT since 1968), Torino, Italy, an international company
that is involved in research, technologies, products, and services for energy &
environment. He has developed BAT & BEP Sustainable Solutions for Life
Cycle Management (LCM) of insulting liquids & transformers focalized on
inventory, control, diagnosis, decontamination, depolarization end
dehalogenation. He has more than 40 international patents and is the author of
many international technical and scientific publications. He has been the Assistant Secretary of IEC
TC10 since 2000. He is also a member of several international groups, with major participation in
technical normative activities (CENELEC, IEC, CIGRE ,IEEE). He has received of the IEC Award
committee (25 June 2009) "1906 Award": for “the precious contribution to the understanding of the
potentially corrosive behaviour of mineral insulating oil used in power transformers and for his
discoveries, recognised worldwide, in the development of diagnostic chemical analyses”.
Bartlomiej Dolata studied Electrical Engineering at the Technical University of Poznan in Poland specialized in High Voltage Engineering. 2003 he started as research associate at the Schering-Institute of Electric Power System in High Voltage Engineering Section at Leibniz University Hannover in Germany. He was responsible for determination of ageing behaviors and parameters of solid and liquid transformer insulating systems as well as for investigation of new alternative insulating fluids for the use in power transformers. 2008 he joined the transformer monitoring team as R&D and Engineering manager. Today he is leading the engineering department of Monitoring Systems Competence Centre within M&D business. He is a specialist within the GE technical expert community and he is a member of international working committees responsible for communication networks and systems for power utility automation. Bartlomiej Dolata is an author and co-author of numerous papers and technical contributions.
Professor Xose M. Lopez-Fernandez received the M.Sc. degree in Electrical Engineering and obtained the Ph.D. degree (with first class honors) from Vigo University, Vigo, Spain, in 1992 and 1997, respectively. He is currently Professor in the Dept. of Electrical Engineering, University of Vigo, and was Visiting Professor at the University of Artois, Bethune, France. He was Director of R&D Department for EFACEC Transformers from 2012 to 2014. He is the main Editor and Co-author of the monograph Transformers. Analysis, Design and Measurement.
Professor Lopez-Fernandez is the founder and General Chairman of The International Advanced Research Workshop on Transformers. He is leading research projects and consultant for utilities and power transformer manufacturers. His research interests are on design aspects of electrical machines. Dr. Lopez-Fernandez received the Alfons Hoffmann's Medal by the Polish Power Engineering Society in 2004 for his contribution in promoting knowledge on Power Transformer.
He is a IEEE Senior Member, Member of the IEEE-PES Transformers Committee as well as active member of CIGRE Working Groups.
Luis Rouco obtained the “Ingeniero Industrial” and “Doctor Ingeniero Industrial” degrees from the Polytechnic University of Madrid in 1985 and 1990 respectively. He is Full Professor of Electrical Engineering in the School of Engineering of Universidad Pontificia Comillas. He has served as Head of the Department of Electrical Engineering from 1999 through 2005. He teaches at undergraduate level a course on Electrical Machines and at graduate level courses on Power System Analysis and Power System Stability and Control. He has been Director of the Course on Power System Operation jointly developed with Red Eléctrica de España in the period 2004-2007 and Director of the Master on Electrical Tecnhnology jointly developed with Endesa in the period 2007-2011. Profesor Rouco develops his research activities at Instituto de Investigación Tecnológica (IIT). He has supervised a number of research projects for Spanish public administrations, Spanish electric utilities , such as Endesa, Gas Natural, Iberdrola, Red Eléctrica de España, Unión Fenosa and Viesgo, and other Spanish engineering and industrial companies such as ABB, AEG Ibérica de Electricidad, Ardanuy Ingeniería, Babcock & Wilcox Española, Duro Felguera, Eliop, Empresarios Agrupados, Indra, Initec Energía, Izar, SEMI, Sener and Técnicas Reunidas. He has also research projects for foreign companies and institutions such as Alstom Switzerland, CAMMESA y Universidad de La Plata (Argentina), Edison Spa (Italia), Electricité de France, RTE-France and INESC-Porto (Portugal). Professor Rouco areas of expertise are modelling, analysis, simulation and control of the steady-state, dynamic and transient behaviour of electric power systems. Professor Rouco has written many papers in international journals and conferences. Profesor Rouco is member of Cigré and IEEE, President of the Spanish Chapter of IEEE Power Engineering Society del IEEE and Member of the Executive Committee of the Spanish National Committee of CIGRE. He has been visiting scientist at Ontario Hydro (Toronto, Canada), MIT (Cambridge, Massachusetts, USA) y ABB Power Systems (Vasteras, Sweden).
Matz Ohlen was born in Sundsvall, Sweden, 1952. He graduated from the Royal Institute of Technology (M.Sc. EE) in Sweden in 1975 and started his professional career at IFM Akustikbyran AB, a consultant company in signal analysis, acoustics and noise & vibration control. He continued working in industrial automation and measurement technique at Karlson Instruments and Programma Electric, specializing in instrumentation for diagnostic testing of power industry components. In 2000 he started to work in the semiconductor business as Product Manager for Bluetooth products at National Semiconductor.
In 2007 he returned to the power industry business as Marketing and Sales Manager for Pax Diagnostics, specializing in test systems for SFRA (Sweep Frequency Response Analysis) and FDS/DFR ((Frequency Domain Spectroscopy/Dielectric Frequency Response Measurements) in transformers, generators and cables. In October 2008 Pax Diagnostics was acquired by Megger and Matz is now working as Director – Transformer Test Systems.
Matz Ohlen has presented/written a number of papers/articles on Measurement Techniques, Signal Analysis and Test and Maintenance of Power System Components for international conferences/publications. He is member of IEEE and holds several patents within the field of transformer testing.
Marcos Arenillas is currently working for Gas Natural Fenosa as Project Manager at the Engineering and Innovation for Electrical Networks Department carrying out electrical substations and power lines worldwide as well as developing innovation projects to find solutions that add value to the group. Marcos received the M.Sc. Degree in Industrial Engineering in 2014 from University of Zaragoza, institution from which he also received a B.Sc in Electrical Engineering in 2012. From 2013 to 2014, Marcos developed a research project at the University of Rhode Island, USA, related to RES-E integration for the residential sector and he was nominee for the National Society of Collegiate Scholars Awards thanks to his work and service. In 2014 he was honored with the Iberdrola Foundation Award that led him to graduate in 2015 as M.Sc. in the Electric Power Sector from the Pontifical University of Comillas, Madrid.
Belén García received the M.Sc. Degree in Physics from Universidad Complutense de Madrid in 1998, and the Ph.D. degree in Electrical Engineering from Universidad Carlos III de Madrid in 2002. She currently holds an Associate Professor position at the Electrical Engineering Dept. of the same University. Her main research interest is power transformer life management and insulating systems. She is co-author of more than 50 publications. In the last years she has been involved in projects related with the behaviour of ester-insulated transformers, the ageing of paper-oil system, the processes of moisture migration and the evaluation of transformer field drying processes. She is currently conducting a project about the use of nanodielectric fluids on transformers.
Ricardo Albarracín received his B.Sc. degrees of Technical Electrical Engineer and Industrial Electrical Engineer in 2005 and 2008, respectively, from the University Carlos III of Madrid (UC3M), Spain. He obtained his M.Sc. degree in Renewable Electrical Engineering and his PhD in High-Voltage (HV) Engineering in 2010 and 2014, respectively, from UC3M. His research interests are in insulation systems diagnosis within power cables and electrical machines, partial discharges measured with antennas, oil-based nanofluids for transformers, improvement of electrical equipment operation for distribution power grids, and integration of renewable sources in power systems. He has published numerous papers in high-impact factor journals, several contributions in book chapters, as well as in conferences related to his areas of expertise. He has worked at UC3M as Assistant Professor (2008-2014), as consultant for Gas Natural Fenosa utility in the area of distribution power grids design (2015-2016), and he was Associate Dr. Professor at Universidad Pontificia de Comillas (2015-2016). Ricardo Albarracín is currently working as Dr. Assistant Professor at Universidad Politécnica de Madrid (UPM), Spain, where he is working with the HV laboratory of the School of Industrial Design at UPM and he teaches Electrical Machines and Electric Drives Control subjects.
Mariusz Stepien received the M.Sc. degree from the Silesian University of Technology, Faculty of Electrical Engineering, Gliwice, Poland, in 1999 and the Ph.D. degree in electrical engineering in 2006 at the same university. He is working at the Department of Power Electronics, Electrical Drives and Robotics at Research Assistant and Assistant Professor position, since 2004 and 2006, respectively. He is Senior Member of IEEE, member of European Society of Applied Superconductivity (ESAS) and member of Association of Polish Electrical Engineers (SEP). His research interests include power electronics, high frequency conversion, power electronic transformers, superconductivity and cryogenics, as well as numerical modelling in all fields of electrical engineering. He is an author and co-author of about 90 scientific articles and conference papers. He holds 9 patents.
Carlos Delgado is an experienced Technician in the Management of High Voltage Electrical Installations in Spain, and has been working with Union Fenosa Distribución based in Madrid since 2000. With over 15 years of hands-on experience in the Management of Substations, he has led major maintenance projects on a national level. During the last decade, he has completed extensive International Training in GIS and SF6 with ABB, Siemens, Alstom, Areva and Schneider, and is currently the specialist Technician for Union Fenosa Distribución with responsibility for this equipment nationwide. In his current position he has developed expert knowledge in the area of Partial Discharge detection with method BlueBox and DMS technology.
Ms. Cristina Medel Osuna is currently working for Union Fenosa Distribución in the HV Technical Department carrying out Transformer, OLTC and oil analysis management and also she is involved in innovation projects to find monitorization solutions in substation. She finished her studies of electronic engineering at the Technical Industrial Engineering University of Córdoba, Spain in 2011 and got the Degree in Engineering at the same title in 2014 by University of Leon. She has received International training based on design, maintenance and troubleshooting in GIS, SF6, Transformers and OLTC with ABB, Siemens, Alstom, Areva and MR. She has been working in UFD since 2007 in the Quality Assurance Department for 4 years and then she was involved in Operational Analysis Department inside Substation Maintenance for another 5 years . She is member of UNESA committee AEN/CTN207/SC10.
Alberto Pigazo received the M.Sc. and Ph.D. degrees in physics (electronics) from the University of Cantabria, Santander, Spain, in 1997 and 2004 respectively. Since 2012 he has been an Associate Professor with the Dept. of Computer Science and Electronics, University of Cantabria, where he teaches courses in electronics, power electronics and renewable energy sources. He was a guest researcher at the Power Electronics Laboratory (Polytechnic of Bari, Italy) and a visiting professor at the Center of Reliable Power Electronics (Dept. of Energy Technology, Aalborg University, Denmark) and the Chair of Power Electronics (Christian-Albrecht University of Kiel, Germany).
Dr. Pigazo is Senior Member of the IEEE Industrial Electronics Society (IES), the IEEE Power Electronics Society (PELS), member of the Editorial Board of the IEEE Industrial Electronics Magazine, the IEEE IES Technical Committee on Renewable Energy Systems and serves as an Associate Editor of IEEE Transactions on Industrial Informatics.
Gilberto studied electrical engineering at the Escola Técnica Federal of Brasil and mathematics at the Univ. Federal do Espírito Santo (UFES). He complemented his education with studies in electrical power systems protection at the UNIFEI (CEPSE 2010) and international business at the USP-SP (FIA 2007).
At present, he works for Treetech with a total 15 years’ experience in the electrical sector. He has worked in important electrical stations assets management and online diagnosis projects in America, Portugal and Russia. He participates in the Cigre and IEEE A2 transformers committee and has published several articles on substations and high voltage assets modernization, such as transformers, reactors, breakers and switchgears.
He was a member of the assets management special studies commission that worked on the elaboration of the ISO 55000, 55001 and 55002 standars in Brazil.
