Consulta la agenda de
My Transfo 2025
A continuación, encontrarás la lista de ponencias previstas y las Focus Tables, mesas temáticas que favorecen el asesoramiento y la formación personalizada.
Novedad 2025: "FOCUS TABLES"
Las Focus Tables ofrecen a los participantes una oportunidad de formación técnica y de diálogo directo con expertos del sector. Se trata de pequeñas mesas temáticas (máx. 8 participantes) donde plantear preguntas o abordar casos técnicos concretos con los expertos (que actúan como moderadores).
Las Focus Tables se desarrollarán en paralelo a la sesión principal. Cada 30 minutos los participantes podrán elegir la sesión que prefieran.
Fenómenos de corrosión
Enfoque en los principales mecanismos de corrosión en transformadores, con especial atención al azufre corrosivo y sus efectos sobre el cobre y la plata. Se presentarán casos prácticos, técnicas de diagnóstico y estrategias de mitigación. Una profundización esencial para la fiabilidad y el mantenimiento de los fluidos.
Moderado por: Laboratory Manager – Sea Marconi (Italy)
Moisture Care
Enfoque sobre cómo prevenir y controlar la presencia de humedad en el aceite del transformador.
Moderado por:
COMEM (Italy)
Tratamiento de fluidos aislantes
Enfoque sobre las diferentes técnicas de tratamiento de los líquidos aislantes y de los transformadores. Se presentarán casos aplicados y soluciones específicas para “patologías” de los líquidos, con el objetivo de extender la vida útil de los transformadores. Un tema clave para la sostenibilidad, así como para la gestión de activos y riesgos.
Moderado por: Riccardo Actis, Director de servicios en sitio, Sea Marconi (Italia)
Diagnóstico y sistemas de protección de transformadores
Panorama sobre las soluciones avanzadas para el monitoreo, el diagnóstico precoz de fallas y la protección de transformadores. Se presentarán sensores, algoritmos y enfoques integrados para mejorar la fiabilidad y prolongar la vida útil de los activos.
Moderado por:
Schedule
"Università del dialogo" Room
REGISTRATION & Welcome coffee wth Sponsors
"Università del dialogo" Room
Welcome by SEA MARCONI and SERMIG
Main session (AUDITORIUM)
Introduction
Cristina Tumiatti
Global business development Director - Sea Marconi (Italy)
Main session (AUDITORIUM)
Welcome
#Asset #Risk #Resilience #Sustainability #R&D #Solution
Vander Tumiatti
General partner and Founder of Sea Marconi (Italy)
Main session (AUDITORIUM)
Insights or Assumptions Research-based data for informed decisions
#Asset #Sustainability
Mladen Banovic
Director, Editor-in-Chief of Transformer Magazine, Croatia
Main session (AUDITORIUM)
Standards are developed and used to reduce trade barriers and protect consumers and end-users who know specifically what they are purchasing. They are the minimum requirements, and the product must meet or exceed these requirements.
Electrical industry standards can be classified to three different categories as: specifications, guidelines, and test methods. In the electrical industry there are two main international standard organizations and one international institute responsible for development and maintenance of standards.
IEC, the International Electrotechnical Commission, traces its roots to the International Electrical Congress in St. Louis, in 1904. The IEC was founded in 1906 in London, UK. IEC TC10, Technical Committee 10 on Fluids for Electrotechnical Applications, is composed of 30 participating (voting) national committees (P-Members) and 12 observer national committees (O-Members). There are 22 subcommittees or working groups which have jurisdiction over 63 publications.
ASTM International, the American Society for Testing and Materials, traces its roots to the first meeting of 70 people in Philadelphia. The first standard, on steel rails, was issued in 1901. There are 148 Committees. ASTM Committee D27, the committee on Electrical Insulating Liquids and Gases, was formed in 1959. The committee has about 120 members (70 voting members) and meets twice a year. It has jurisdiction of over 50 approved standards specific to insulating liquids and gases.
IEEE, Institute of Electrical and Electronics Engineers, is an institute established in 1884. It has nearly 500,000 members in 39 societies. The Power & Energy Society (PES) has 39,000 in 17 technical committees, including the Transformer Committee which was established in 1918. The Transformer Committee has over 2,100 members and administers 115 standards and guidelines. These guidelines are related to the maintenance, condition monitoring, and acceptance of the supplied insulating liquids.
Standards are developed and used to reduce trade barriers and protect consumers and end-users who know specifically what they are purchasing. They are the minimum requirements, and the product must meet or exceed these requirements.
Electrical industry standards can be classified to three different categories as: specifications, guidelines, and test methods. In the electrical industry there are two main international standard organizations and one international institute responsible for development and maintenance of standards.
IEC, the International Electrotechnical Commission, traces its roots to the International Electrical Congress in St. Louis, in 1904. The IEC was founded in 1906 in London, UK. IEC TC10, Technical Committee 10 on Fluids for Electrotechnical Applications, is composed of 30 participating (voting) national committees (P-Members) and 12 observer national committees (O-Members). There are 22 subcommittees or working groups which have jurisdiction over 63 publications.
ASTM International, the American Society for Testing and Materials, traces its roots to the first meeting of 70 people in Philadelphia. The first standard, on steel rails, was issued in 1901. There are 148 Committees. ASTM Committee D27, the committee on Electrical Insulating Liquids and Gases, was formed in 1959. The committee has about 120 members (70 voting members) and meets twice a year. It has jurisdiction of over 50 approved standards specific to insulating liquids and gases.
IEEE, Institute of Electrical and Electronics Engineers, is an institute established in 1884. It has nearly 500,000 members in 39 societies. The Power & Energy Society (PES) has 39,000 in 17 technical committees, including the Transformer Committee which was established in 1918. The Transformer Committee has over 2,100 members and administers 115 standards and guidelines. These guidelines are related to the maintenance, condition monitoring, and acceptance of the supplied insulating liquids.
#Asset #Solutions
Dr Bruce Pahlavanpour
Senior consultant – Ergon International (UK)
Main session (AUDITORIUM)
#Asset #Risk #Sustainability #Solution
Agustín Harte
Programme Management Officer - Basel, Rotterdam and Stockholm Conventions Secretariat (CH)
Università del dialogo Room
Coffee & networking with sponsors
Main session (AUDITORIUM)
#Asset #Risk #Resilience
Franco Salomone
Operations Chief Engineer - FM Insurance Europe SA (Italy)
Main session (AUDITORIUM)
Now days, dielectric esters (natural and synthetic) are not only an alternative to mineral oils, but a primary choice for transformer owners sensitive to nullifying fire risk, extending transformer life, environmental friendliness and sustainability. The use of ester-immersed transformers goes back a few decades, so experience in monitoring and maintenance is increasing rapidly, as is testing for compatibility with transformer materials of construction.
Now days, dielectric esters (natural and synthetic) are not only an alternative to mineral oils, but a primary choice for transformer owners sensitive to nullifying fire risk, extending transformer life, environmental friendliness and sustainability. The use of ester-immersed transformers goes back a few decades, so experience in monitoring and maintenance is increasing rapidly, as is testing for compatibility with transformer materials of construction.
#Asset #Sustainability #Solutions
Fabio Scatiggio
Senior Technical Advisor – A&A Fratelli Parodi (Italy)
Main session (AUDITORIUM)
Power transformers play a crucial role in electric power transmission and distribution systems, being both expensive and strategically important. Their prolonged efficient operation is essential to prevent long-term power outages. With tens of thousands of transformers worldwide approaching the end of their typical 30-40 year lifespan, the question of recycling becomes significant. Remarkably, around 95% of a power transformer’s materials could potentially be recycled. |
Power transformers play a crucial role in electric power transmission and distribution systems, being both expensive and strategically important. Their prolonged efficient operation is essential to prevent long-term power outages. With tens of thousands of transformers worldwide approaching the end of their typical 30-40 year lifespan, the question of recycling becomes significant. Remarkably, around 95% of a power transformer’s materials could potentially be recycled. |
#Asset #Sustainability #Solutions #R&D
Alfredo Ortiz-Fernández
Professor at University of Cantabria (Spain)
Main session (AUDITORIUM)
Since its introduction to the market nearly thirty years ago, the use of natural ester liquids as an alternative to mineral oil as a dielectric insulating liquid in transformers has continued to grow. While mineral oil has been the most commonly used insulation liquid in transformers for many decades, certain characteristics of mineral oil, such as its relatively low fire point and risk of fire, have driven scientists to seek alternative solutions. Natural ester liquids, which are derived from vegetable oils, have become widely accepted as a reliable and sustainable alternative to mineral oil due, in part, to its significantly higher fire point, and therefore lower fire risk, as well as its more favorable environmental characteristics compared to mineral oil. The chemical nature of natural ester liquids is different than mineral oil, and as a result there are certain differences in performance characteristics as they relate to transformers. One such difference is the performance in cold weather. Some regions of the world expose transformers to temperatures below the low temperatures of -20 °C and -25 °C considered normal service conditions according to international standards such as IEEE Std C57.12.00™ and IEC 60076-1, respectively. This paper discusses the performance of natural ester liquids at low temperatures and compares and contrasts that behavior to the mineral oil characteristics with which many transformer users are familiar.
Since its introduction to the market nearly thirty years ago, the use of natural ester liquids as an alternative to mineral oil as a dielectric insulating liquid in transformers has continued to grow. While mineral oil has been the most commonly used insulation liquid in transformers for many decades, certain characteristics of mineral oil, such as its relatively low fire point and risk of fire, have driven scientists to seek alternative solutions. Natural ester liquids, which are derived from vegetable oils, have become widely accepted as a reliable and sustainable alternative to mineral oil due, in part, to its significantly higher fire point, and therefore lower fire risk, as well as its more favorable environmental characteristics compared to mineral oil. The chemical nature of natural ester liquids is different than mineral oil, and as a result there are certain differences in performance characteristics as they relate to transformers. One such difference is the performance in cold weather. Some regions of the world expose transformers to temperatures below the low temperatures of -20 °C and -25 °C considered normal service conditions according to international standards such as IEEE Std C57.12.00™ and IEC 60076-1, respectively. This paper discusses the performance of natural ester liquids at low temperatures and compares and contrasts that behavior to the mineral oil characteristics with which many transformer users are familiar.
#Asset #Sustainability #Resilience
Bruce Forsyth
Director, Global Application Eng. - Cargill (USA)
Università del dialogo Room
Q&A Session
Università del dialogo Room
Lunch
Main session (AUDITORIUM)
#Asset #Solutions #R&D
Fabrizio Ferrari
Senior advisor (Italy)
FOCUS TABLES & PARALLEL SESSIONS
EXXONMOBIL Slot
ExxonMobil is proud to announce the launch of its new transformer oil called UnivoltTM, an inhibited naphthenic oil, engineered to optimize transformer performance through excellent cooling, insulation and long-term stability. UnivoltTM is manufactured at one of ExxonMobil’s world-scale asset in Europe, bringing supply reliability and operational excellence to the transformer oil market
ExxonMobil is proud to announce the launch of its new transformer oil called UnivoltTM, an inhibited naphthenic oil, engineered to optimize transformer performance through excellent cooling, insulation and long-term stability. UnivoltTM is manufactured at one of ExxonMobil’s world-scale asset in Europe, bringing supply reliability and operational excellence to the transformer oil market
- Evert Feyaerts, Fluids Technology Associate – ExxonMobil
- Francois Sinechal, Market Development Manager, Transformer Oil – ExxonMobil
Main session (AUDITORIUM)
Digital twins are powerful tools to support decision making, but how will they help in a world of rapid system growth in electricity infrastructure: investment in data centers and renewables; increased use of automation and AI/ML; demands for increased reliability of supply? In this paper we look at what makes a ‘good’ digital twin, and what can lead to a poor implementation – an ‘evil twin’ – by looking at the construction of a twin, the automated analyses, and the connection between twin predictions and reality. We know that a digital twins is a model, and that all models are ‘wrong’, but how far wrong does it have to be before it becomes ‘unacceptably wrong’? Understanding why and how a digital twin is wrong is crucial to both its acceptability and its successful application: someone has to know what is going on!
Digital twins are powerful tools to support decision making, but how will they help in a world of rapid system growth in electricity infrastructure: investment in data centers and renewables; increased use of automation and AI/ML; demands for increased reliability of supply? In this paper we look at what makes a ‘good’ digital twin, and what can lead to a poor implementation – an ‘evil twin’ – by looking at the construction of a twin, the automated analyses, and the connection between twin predictions and reality. We know that a digital twins is a model, and that all models are ‘wrong’, but how far wrong does it have to be before it becomes ‘unacceptably wrong’? Understanding why and how a digital twin is wrong is crucial to both its acceptability and its successful application: someone has to know what is going on!
#Asset #Risk #Solutions
Dr Tony McGrail
Solutions Director - DOBLE Engineering (US)
FOCUS TABLES & PARALLEL SESSIONS
Control & prevent moisture presence
Enrico Cenghialta
Service Manager – COMEM (Italy)
Main session (AUDITORIUM)
Since voltage regulating distribution transformers (VRDT) have become a standard asset available for distribution systems operators, a various voltage regulation algorithms have been developed and have found their way into application. This article reviews the main algorithms, comparing them from both grid planning and operational perspectives, and provides a techno-economic analysis of single- versus three-phase power-independent, dynamic set-point regulation.
Since voltage regulating distribution transformers (VRDT) have become a standard asset available for distribution systems operators, a various voltage regulation algorithms have been developed and have found their way into application. This article reviews the main algorithms, comparing them from both grid planning and operational perspectives, and provides a techno-economic analysis of single- versus three-phase power-independent, dynamic set-point regulation.
# Risk #Solutions
Franco Pizzutto
Business Development Manager - Maschinenfabrik Reinhausen (Germany)
FOCUS TABLES & PARALLEL SESSIONS
Comprehensive Online Monitoring of Power Transformers DGA + PD
Stève Belin
Business Development Manager Europe for DGA – Megger
Università del dialogo Room
Coffee & networking with sponsors
Main session (AUDITORIUM)
EDF have its proper software to share diagnosis data for all the transformer fleet (nuclear, hydro and fossil thermal) named Cocpitt. It’s a web application, so all the edf user can access easily to their transformers (power plant, engineering, R&D, …).
It manage static information such manufacturer, power, voltage levels, … and also diagnosis data : electrical measurement, event during operation and dissolved gas measurements from lab for around 1 500 transformers.
Sea-Marconi is the official lab for EDF’s transformers, and a transfer data protocol has been implements between the lab and EDF to receive oil analysis every days. This presentation show the main aspects of this daily transfer (name, time, …) and the file content to identify transformers and associate the measurements.
EDF have its proper software to share diagnosis data for all the transformer fleet (nuclear, hydro and fossil thermal) named Cocpitt. It’s a web application, so all the edf user can access easily to their transformers (power plant, engineering, R&D, …).
It manage static information such manufacturer, power, voltage levels, … and also diagnosis data : electrical measurement, event during operation and dissolved gas measurements from lab for around 1 500 transformers.
Sea-Marconi is the official lab for EDF’s transformers, and a transfer data protocol has been implements between the lab and EDF to receive oil analysis every days. This presentation show the main aspects of this daily transfer (name, time, …) and the file content to identify transformers and associate the measurements.
#Asset #Solution
Frank Thomas
Power Transformer Diagnostics Expert - EDF (France)
FOCUS TABLES & PARALLEL SESSIONS
Focus Table: MOISTURE CARE
Focus on how to prevent and control moisture presence in transformer oil
Moderated by: COMEM
Main session (AUDITORIUM)
#Sustainability #R&D #Solution
Dr Luca Pezzini
AI & Storytelling Expert - Università di Torino (Italy)
FOCUS TABLES & PARALLEL SESSIONS
Focus Table: CORROSION PHENOMENA
A focus on the main corrosion mechanisms in transformers, with particular attention to corrosive sulfur and its effects on copper and silver. Case studies, diagnostic techniques, and mitigation strategies will be presented. An essential deep dive for ensuring the reliability and maintenance of insulating fluids.
Moderated by:
Riccardo Maina
Lab Manager - Sea Marconi (Italy)
Main session (AUDITORIUM)
Closing of the day
Networking with sponsors in Università del dialogo Room
Transfer by bus to the Madama Palace of Turin. Meeting in front of SERMIG entrance
Visit to Palazzo Madama by night
Transfer by bus to Circolo della Stampa (Palazzo Ceriana Mayneri) for dinner
Networking dinner
Transfer by bus to SERMIG (for participants)
Transfer by bus to Hotel Antica Dogana (for speakers)
"Università del dialogo" Room
Welcome coffee in "Università del dialogo" Room wth Sponsors
Main session (AUDITORIUM)
This study examines insulating oils, hereafter referred to as transformer oils, available in the Middle Eastern market, whether produced regionally or imported from global suppliers. These transformer oils are marketed and sold in accordance with the latest IEC 60296 standard, Edition 5 (2020), which specifies requirements for Fluids for Electrotechnical Applications – Mineral Insulating Oils for Electrical Equipment. The focus of this study is specifically on transformer oils classified and declared as compliant with IEC 60296 TVUB (T = Transformers, V = Virgin (new) oil, U = Uninhibited, and B = Type B) The investigation aims to determine whether any undeclared additives, including antioxidant inhibitors, are present in these transformer oils, despite being labelled and sold as “uninhibited transformer oil” containing “no undeclared additives.”
This study examines insulating oils, hereafter referred to as transformer oils, available in the Middle Eastern market, whether produced regionally or imported from global suppliers. These transformer oils are marketed and sold in accordance with the latest IEC 60296 standard, Edition 5 (2020), which specifies requirements for Fluids for Electrotechnical Applications – Mineral Insulating Oils for Electrical Equipment. The focus of this study is specifically on transformer oils classified and declared as compliant with IEC 60296 TVUB (T = Transformers, V = Virgin (new) oil, U = Uninhibited, and B = Type B) The investigation aims to determine whether any undeclared additives, including antioxidant inhibitors, are present in these transformer oils, despite being labelled and sold as “uninhibited transformer oil” containing “no undeclared additives.”
#Risk #Solution #R&D
Nils Herlenius
Senior Technical Consultant - FARABI PETROCHEMICALS (Saudi Arabia)
FOCUS TABLES & PARALLEL SESSIONS
Focus Table: Insulating Liquid Treatment Techniques
Focus on various techniques for treating insulating liquids and transformers to address specific “pathologies” of insulating liquids, with the aim of extending transformer lifespan. Methods and procedures such as replacing mineral oil with natural ester fluids or applying post-filling treatments to transformers will be discussed. The session will showcase application cases and targeted solutions.
Moderated by:
Riccardo Actis
On-site services Director - Sea Marconi (Italy)
Main session (AUDITORIUM)
#Asset #Risk #Solutions
Riccardo Maina
Lab Manager - Sea Marconi (Italy)
FOCUS TABLES & PARALLEL SESSIONS
Focus Table: TRANSFORMER DIAGNOSTIC AND PROTECTION
Overview of advanced solutions for monitoring, early fault detection, and transformer protection The session will present sensors, algorithms, and integrated approaches to enhance reliability and extend asset lifespan.
Fabrizio Ferrari
Senior advisor (Italy)
Main session (AUDITORIUM)
The issue of sulfur corrosion in transformers, long known for its impact on copper due to compounds like DBDS, now increasingly concerns silver. Although silver corrosion can pose severe risks, it has received less attention due to its lower frequency and limited detection methods. Recent incidents highlight gaps in understanding the sources and mechanisms of sulfur-induced corrosion, especially from elemental sulfur (S₈), found in both mineral and ester-based insulating liquids.
This paper investigates the kinetics and mechanisms of silver sulfide formation, emphasizing the critical influence of the oil-to-silver surface ratio. Even low ppm levels of S₈ may lead to significant deposits. Current standards and test methods (e.g., ASTM D1275, IEC 62697) often fail to replicate real transformer conditions or identify specific corrosive species.
The authors propose adaptations to test protocols and introduce innovative oil treatment solutions and silver-plated contact cleaning techniques developed by the Nikola Tesla Institute. These methods effectively remove elemental sulfur without stripping beneficial additives like antioxidants, offering promising short- and long-term mitigation strategies for the industry.
The issue of sulfur corrosion in transformers, long known for its impact on copper due to compounds like DBDS, now increasingly concerns silver. Although silver corrosion can pose severe risks, it has received less attention due to its lower frequency and limited detection methods. Recent incidents highlight gaps in understanding the sources and mechanisms of sulfur-induced corrosion, especially from elemental sulfur (S₈), found in both mineral and ester-based insulating liquids.
This paper investigates the kinetics and mechanisms of silver sulfide formation, emphasizing the critical influence of the oil-to-silver surface ratio. Even low ppm levels of S₈ may lead to significant deposits. Current standards and test methods (e.g., ASTM D1275, IEC 62697) often fail to replicate real transformer conditions or identify specific corrosive species.
The authors propose adaptations to test protocols and introduce innovative oil treatment solutions and silver-plated contact cleaning techniques developed by the Nikola Tesla Institute. These methods effectively remove elemental sulfur without stripping beneficial additives like antioxidants, offering promising short- and long-term mitigation strategies for the industry.
#Asset #Risk #R&D
Dr Jelena Lukic
Assist. dir. for science, innovations and technological development - NIkola Tesla Institute (Serbia)
FOCUS TABLES & PARALLEL SESSIONS
DOBLE Overview
Simone Piana
COO – Doble International
Main session (AUDITORIUM)
Q&A Session
FOCUS TABLES & PARALLEL SESSIONS
From Periodic Checks to Continuous Insight: Extending Transformer Life with Precise PD Localization
Marcelo Werneck, > Short CV
VP of Business Development – Optics11
Torino Room
Coffee & networking with sponsors
Main session (AUDITORIUM)
To date, the Capacity Market requires power producers to minimize generation unit unavailability. At the same time, lead times for spare parts procurement have significantly increased. As a result, a shift in maintenance strategy is necessary—from a corrective approach to a preventive one. This work examines the economic impact of a failure in the step-up transformer at the Sermide Power Plant, emphasizing the critical role of transformer oil analysis in preventive maintenance strategies. Transformer oil testing is an essential diagnostic tool that, together with electrical tests, allows early detection of insulation degradation and other faults, significantly reducing the risk of unexpected failures. Strategic recommendations are proposed to optimize maintenance approaches, aiming not only to enhance system reliability and reduce downtime but also to improve personnel safety, protect the environment, and maximize economic outcomes. This work provides valuable insights for energy operators and policymakers seeking to balance cost efficiency with operational resilience in an increasingly complex market environment.
To date, the Capacity Market requires power producers to minimize generation unit unavailability. At the same time, lead times for spare parts procurement have significantly increased. As a result, a shift in maintenance strategy is necessary—from a corrective approach to a preventive one. This work examines the economic impact of a failure in the step-up transformer at the Sermide Power Plant, emphasizing the critical role of transformer oil analysis in preventive maintenance strategies. Transformer oil testing is an essential diagnostic tool that, together with electrical tests, allows early detection of insulation degradation and other faults, significantly reducing the risk of unexpected failures. Strategic recommendations are proposed to optimize maintenance approaches, aiming not only to enhance system reliability and reduce downtime but also to improve personnel safety, protect the environment, and maximize economic outcomes. This work provides valuable insights for energy operators and policymakers seeking to balance cost efficiency with operational resilience in an increasingly complex market environment.
#Asset # Risk
Giulia Frattini
I&C, Electrical maintenance manager – A2A Gencogas (Italy)
FOCUS TABLES & PARALLEL SESSIONS
Transformer Innovation: advanced systems for more efficiency
Sergio Colombi – R&D Manager – Tecsystem (Italy)
Main session (AUDITORIUM)
Installing on-line monitoring systems can significantly improve the reliability of transformers and, more broadly, electrical networks. However, when applied to high-voltage bushings, it is crucial to recognize that these monitoring systems typically connect to the main insulation through the test or voltage tap. This requires disconnecting the original grounding cover, introducing new components and a measuring impedance, thereby altering the original mechanical and electrical design. Such modifications introduce potential risks that must be carefully evaluated and mitigated before implementing any monitoring solution. If the bushing is not solidly grounded, it is essential to maintain strict control over the voltage to ensure that neither operating nor transient voltages reach hazardous levels. This consideration is especially critical in environments subject to transient stress or frequent switching operations where it is essential to verify that the voltage protection responds quickly enough to safeguard the bushing and ensure long-term reliability. Additionally, the mechanical integration of monitoring equipment is of utmost importance. The design and sealing of monitoring components must effectively prevent contamination—such as moisture—from entering the tap or any connection points and the materials used in the monitoring equipment should be compatible with those of the bushing to avoid galvanic corrosion.
Installing on-line monitoring systems can significantly improve the reliability of transformers and, more broadly, electrical networks. However, when applied to high-voltage bushings, it is crucial to recognize that these monitoring systems typically connect to the main insulation through the test or voltage tap. This requires disconnecting the original grounding cover, introducing new components and a measuring impedance, thereby altering the original mechanical and electrical design. Such modifications introduce potential risks that must be carefully evaluated and mitigated before implementing any monitoring solution. If the bushing is not solidly grounded, it is essential to maintain strict control over the voltage to ensure that neither operating nor transient voltages reach hazardous levels. This consideration is especially critical in environments subject to transient stress or frequent switching operations where it is essential to verify that the voltage protection responds quickly enough to safeguard the bushing and ensure long-term reliability. Additionally, the mechanical integration of monitoring equipment is of utmost importance. The design and sealing of monitoring components must effectively prevent contamination—such as moisture—from entering the tap or any connection points and the materials used in the monitoring equipment should be compatible with those of the bushing to avoid galvanic corrosion.
#Asset #Risk #Solution
Flavio Tarallo
EU Transformers Digital Manager - Hitachi Energy SpA (Italy)
FOCUS TABLES & PARALLEL SESSIONS
Using Synthetic Ester in Distribution Transformers
James Reid – Technical Manager -Shell MIDEL & MIVOLT (UK)
Main session (AUDITORIUM)
A significant step toward broader adoption of Dielectric Frequency Response (DFR) for condition assessment of capacitance-graded bushings was the release of IEEE C57.12.200 in 2022. Since its publication, further operational experience has been gathered.
Baseline DFR testing on newly installed bushings is a well-established and recommended practice, as it supports more accurate assessments during service life. However, it is crucial to recognize the impact of fringing effects, which arise due to differences in the electrical environment when testing bushings in the field versus routine factory testing as specified in bushing standards.
While IEEE C57.12.200 includes examples of bushing degradation and corresponding analysis techniques, additional insights have emerged from extensive field application of DFR, applicable to both oil-impregnated and dry-type designs. These findings underscore the value of testing at 1400 V, which has been shown to yield more reliable results in evaluating bushing condition compared to tests conducted at lower voltages.
Keywords—Bushings, OIP, RIP, RIS, DFR, Capacitance, Dissipation Factor, Insulation Power Factor, tanδ
A significant step toward broader adoption of Dielectric Frequency Response (DFR) for condition assessment of capacitance-graded bushings was the release of IEEE C57.12.200 in 2022. Since its publication, further operational experience has been gathered.
Baseline DFR testing on newly installed bushings is a well-established and recommended practice, as it supports more accurate assessments during service life. However, it is crucial to recognize the impact of fringing effects, which arise due to differences in the electrical environment when testing bushings in the field versus routine factory testing as specified in bushing standards.
While IEEE C57.12.200 includes examples of bushing degradation and corresponding analysis techniques, additional insights have emerged from extensive field application of DFR, applicable to both oil-impregnated and dry-type designs. These findings underscore the value of testing at 1400 V, which has been shown to yield more reliable results in evaluating bushing condition compared to tests conducted at lower voltages.
Keywords—Bushings, OIP, RIP, RIS, DFR, Capacitance, Dissipation Factor, Insulation Power Factor, tanδ
#Asset #Risk #Solution
Dr. Peter Werelius
Senior Application Specialist - Megger Sweden AB (Sweden)
FOCUS TABLES & PARALLEL SESSIONS
A&A Fratelli Parodi Dielectric Esters : the frontrunner of sustainability
Giorgio Campi – Business and technical development – Fratelli Parodi (Italy)
Main session (AUDITORIUM)
#Asset #Risk #R&D
Letizia De Maria
Senior researcher - RSE( Italy)
FOCUS TABLES & PARALLEL SESSIONS
OMICRON Slot
Main session (AUDITORIUM)
Lunch
Main session (AUDITORIUM)
Objective: The degradation of cellulose-based solid insulation predominantly constrains the operational lifespan of power transformers. This presentation focuses on two critical aging accelerants—oxygen and moisture—detailing their ingress mechanisms, impact on dielectric performance, and long-term implications for asset reliability.
Methods: We will present a dual mitigation strategy that includes: (1) preventive measures using advanced oil preservation systems (e.g., self-regenerating breathers, membrane barriers), and (2) real-time diagnostics through embedded sensors and predictive algorithms. These algorithms estimate moisture in paper (MIP), forecast insulation aging, and detect critical thresholds, such as bubble formation and breakdown voltage decline. The integration of direct winding temperature monitoring via fiber optic sensors is emphasized as a prerequisite for accurate thermal modeling and algorithmic precision.
Results: We will showcase real case studies where the implementation of these combined strategies has led to measurable improvements in transformer reliability, including reduced total cost of ownership and extended operational life.
Conclusions: We will illustrate how combining physical barriers with intelligent monitoring enhances transformer resilience and supports condition-based maintenance strategies.
Objective: The degradation of cellulose-based solid insulation predominantly constrains the operational lifespan of power transformers. This presentation focuses on two critical aging accelerants—oxygen and moisture—detailing their ingress mechanisms, impact on dielectric performance, and long-term implications for asset reliability.
Methods: We will present a dual mitigation strategy that includes: (1) preventive measures using advanced oil preservation systems (e.g., self-regenerating breathers, membrane barriers), and (2) real-time diagnostics through embedded sensors and predictive algorithms. These algorithms estimate moisture in paper (MIP), forecast insulation aging, and detect critical thresholds, such as bubble formation and breakdown voltage decline. The integration of direct winding temperature monitoring via fiber optic sensors is emphasized as a prerequisite for accurate thermal modeling and algorithmic precision.
Results: We will showcase real case studies where the implementation of these combined strategies has led to measurable improvements in transformer reliability, including reduced total cost of ownership and extended operational life.
Conclusions: We will illustrate how combining physical barriers with intelligent monitoring enhances transformer resilience and supports condition-based maintenance strategies.
#Asset # Risk #Solution
Enrico Cenghialta
Service Manager - COMEM (Italy)
Fiorenzo Stevanato
Technical Consultant, COMEM (Italy)
FOCUS TABLES & PARALLEL SESSIONS
DASOTEC: products, services and solutions overview
David Somvi, President of DASOTEC (Italy)
Main session (AUDITORIUM)
#Asset #Risk #Solutions
Senja Leivo
Senior Industry expert - Vaisala Oyj (Finland)
Main session (AUDITORIUM)
Thermal imaging facilitates the identification of abnormal temperature patterns, which may indicate failure modes such as insulation degradation, loose connections, or component malfunctions. To accurately diagnose these issues, additional information from the transformer is required. By combining online thermal data with other transformer diagnostics, such as Dissolved Gas Analysis (DGA) and bushing monitoring, within a single device, events can be correlated for expedited diagnostics. Presentation will discuss the practical experiences of deploying the solution and what to consider for online application of Thermal imaging
Thermal imaging facilitates the identification of abnormal temperature patterns, which may indicate failure modes such as insulation degradation, loose connections, or component malfunctions. To accurately diagnose these issues, additional information from the transformer is required. By combining online thermal data with other transformer diagnostics, such as Dissolved Gas Analysis (DGA) and bushing monitoring, within a single device, events can be correlated for expedited diagnostics. Presentation will discuss the practical experiences of deploying the solution and what to consider for online application of Thermal imaging
# Risk #Solutions
Christopher O'Donnell
Technical Applications Engineer - GE Vernova (GB)
Main session (AUDITORIUM)
Q&A Session
Torino Room
Coffee & networking with sponsors
Main session (AUDITORIUM)
Dissolved Gas Analysis (DGA) has become the primary technique for transformer condition assessment because diagnostic reliability has increased in step with advances in measurement control. Early flame and Orsat-type tests, and later the Buchholz relay, provided qualitative indication only.
Mid-century mass spectrometry and thermal-conductivity detection enabled species identification, yet uncontrolled partitioning to tank headspace and variable sampling limited quantitative confidence. The inflection point was engineering the measurement chain: controlled extraction (vacuum degassing, gas stripping), traceable sampling procedures, and automated headspace gas chromatography (HS-GC) using dedicated, precision-filled, crimp-sealed vials with defined phase ratios.
Standardized methods (IEC 60567; ASTM D3612) translated this control into reproducible measurements and improved inter-laboratory comparability. Resulting datasets support multicomponent trending, ratio/graph diagnostics, and multivariate/statistical classifiers, enhancing discrimination among partial discharge, thermal, and arcing faults while reducing false alarms and enabling earlier interventions. The approach applies to mineral oils and alternative liquids (natural/synthetic esters, silicone) when procedures are adapted to fluid properties and solubility behavior. Overall, the transition from rudimentary to controlled headspace links sampling integrity and repeatability to quantitative DGA and defensible fault classification—explaining why DGA works and why it remains foundational to predictive maintenance for power transformers. Index Terms— Dissolved Gas Analysis (DGA), transformer diagnostics, headspace gas chromatography (HS-GC), sampling integrity, precision-filled vials, IEC 60567, ASTM D3612, predictive maintenance
Dissolved Gas Analysis (DGA) has become the primary technique for transformer condition assessment because diagnostic reliability has increased in step with advances in measurement control. Early flame and Orsat-type tests, and later the Buchholz relay, provided qualitative indication only.
Mid-century mass spectrometry and thermal-conductivity detection enabled species identification, yet uncontrolled partitioning to tank headspace and variable sampling limited quantitative confidence. The inflection point was engineering the measurement chain: controlled extraction (vacuum degassing, gas stripping), traceable sampling procedures, and automated headspace gas chromatography (HS-GC) using dedicated, precision-filled, crimp-sealed vials with defined phase ratios.
Standardized methods (IEC 60567; ASTM D3612) translated this control into reproducible measurements and improved inter-laboratory comparability. Resulting datasets support multicomponent trending, ratio/graph diagnostics, and multivariate/statistical classifiers, enhancing discrimination among partial discharge, thermal, and arcing faults while reducing false alarms and enabling earlier interventions. The approach applies to mineral oils and alternative liquids (natural/synthetic esters, silicone) when procedures are adapted to fluid properties and solubility behavior. Overall, the transition from rudimentary to controlled headspace links sampling integrity and repeatability to quantitative DGA and defensible fault classification—explaining why DGA works and why it remains foundational to predictive maintenance for power transformers. Index Terms— Dissolved Gas Analysis (DGA), transformer diagnostics, headspace gas chromatography (HS-GC), sampling integrity, precision-filled vials, IEC 60567, ASTM D3612, predictive maintenance
#R&D #Solution
Marius Grisaru
Senior transformer and oil global consultant - Marius Grisaru Oil & Transformer Solutions (Israel)
Main session (AUDITORIUM)
Dissolved Gas Analysis (DGA) is currently the most effective tool for assessing the condition of the active part of an oil-immersed transformer in operation. The primary objective for the operator is to evaluate the operational risk in order to implement appropriate corrective maintenance actions. A new method, developed jointly by IREQ and EDF, builds upon the work presented in CIGRE Technical Brochure 771. This approach is compared against existing interpretation schemes from IEC and IEEE, highlighting its potential advantages and practical relevance.
Dissolved Gas Analysis (DGA) is currently the most effective tool for assessing the condition of the active part of an oil-immersed transformer in operation. The primary objective for the operator is to evaluate the operational risk in order to implement appropriate corrective maintenance actions. A new method, developed jointly by IREQ and EDF, builds upon the work presented in CIGRE Technical Brochure 771. This approach is compared against existing interpretation schemes from IEC and IEEE, highlighting its potential advantages and practical relevance.
#Asset #Risk #Solution #R&D
Luc Paulhiac
Maintenance senior expert for the French Nuclear fleet - EDF (France)
Main session (AUDITORIUM)
Dissolved Gas Analysis (DGA) in the insulation oil of high-power, high-voltage electrical quipments has long been one of the most widely used and reliable diagnostic methods. Its purpose is to prevent failures that could even irreparably damage the equipment, rendering it unavailable. This analysis is based on the evaluation of the oil content of certain hydrocarbon, and non-hydrocarbon gases, which allows for the early diagnosis of dielectric or thermal anomalies and the determination of whether one or both anomalies affect the organic insulation (typically cellulose). However, the diagnostic framework provided by DGA alone is not enough to provide a definitive outcome, but it is essential in guiding subsequent electrical investigations, highlighting the importance of synergy between chemical specialists and electrical measurement specialists. This article discusses a real-world case in which, faced with a presumed thermal anomaly highlighted by DGA, a series of electrical measurements are identified to complete the diagnosis.
Dissolved Gas Analysis (DGA) in the insulation oil of high-power, high-voltage electrical quipments has long been one of the most widely used and reliable diagnostic methods. Its purpose is to prevent failures that could even irreparably damage the equipment, rendering it unavailable. This analysis is based on the evaluation of the oil content of certain hydrocarbon, and non-hydrocarbon gases, which allows for the early diagnosis of dielectric or thermal anomalies and the determination of whether one or both anomalies affect the organic insulation (typically cellulose). However, the diagnostic framework provided by DGA alone is not enough to provide a definitive outcome, but it is essential in guiding subsequent electrical investigations, highlighting the importance of synergy between chemical specialists and electrical measurement specialists. This article discusses a real-world case in which, faced with a presumed thermal anomaly highlighted by DGA, a series of electrical measurements are identified to complete the diagnosis.
#Asset #Risk #Solution
Claudio Serafino
Independent Consultant - ex Terna (Italy)
Giuseppe Inzirillo
Omicron (Italy)
Main session (AUDITORIUM)
Closing of the meeting
Visit to Sea Marconi Company Headquarter
Visit to the headquarters of the Sea Marconi (via Ungheria 20, Collegno – Turin)
Please note that transportation to the Sea Marconi venue is the responsibility of each participant
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El análisis de gases disueltos (DGA) es actualmente la herramienta más eficaz para evaluar el estado de la parte activa de un transformador sumergido en aceite en operación. El objetivo principal para el operador es evaluar el riesgo operativo con el fin de implementar acciones correctivas de mantenimiento adecuadas. Un nuevo método, desarrollado conjuntamente por IREQ y EDF, se basa en el trabajo presentado en la Guía Técnica CIGRE 771. Este enfoque se compara con los esquemas de interpretación existentes de IEC e IEEE, destacando sus posibles ventajas y relevancia práctica.
El análisis de gases disueltos (DGA) es actualmente la herramienta más eficaz para evaluar el estado de la parte activa de un transformador sumergido en aceite en operación. El objetivo principal para el operador es evaluar el riesgo operativo con el fin de implementar acciones correctivas de mantenimiento adecuadas. Un nuevo método, desarrollado conjuntamente por IREQ y EDF, se basa en el trabajo presentado en la Guía Técnica CIGRE 771. Este enfoque se compara con los esquemas de interpretación existentes de IEC e IEEE, destacando sus posibles ventajas y relevancia práctica.
#Asset #Risk #Solution #R&D
Luc Paulhiac
Maintenance senior expert for the French Nuclear fleet – EDF Electricité De France (France)
#Asset #Solution
Frank Thomas
Expert diagnostic transformateurs de puissance – EDF (France)
Desde que los transformadores de distribución con regulación de tensión (VRDT) se han convertido en un activo estándar disponible para los operadores de sistemas de distribución, se han desarrollado y aplicado diversos algoritmos de regulación de tensión. Este trabajo revisa los principales algoritmos, comparándolos tanto desde la perspectiva de la planificación de la red como desde la operación, y presenta un análisis tecnoeconómico de la regulación de consigna dinámica, independiente de la potencia, en configuraciones monofásicas y trifásicas.
Desde que los transformadores de distribución con regulación de tensión (VRDT) se han convertido en un activo estándar disponible para los operadores de sistemas de distribución, se han desarrollado y aplicado diversos algoritmos de regulación de tensión. Este trabajo revisa los principales algoritmos, comparándolos tanto desde la perspectiva de la planificación de la red como desde la operación, y presenta un análisis tecnoeconómico de la regulación de consigna dinámica, independiente de la potencia, en configuraciones monofásicas y trifásicas.
#Risk #Solution
Franco Pizzutto
Business Development Manager – Maschinenfabrik Reinhausen (Germany)
La termografía facilita la identificación de patrones de temperatura anómalos, que pueden indicar modos de fallo como degradación del aislamiento, conexiones sueltas o fallos de componentes. Para diagnosticar con precisión estos problemas se requiere información adicional del transformador. Al combinar los datos térmicos en línea con otros diagnósticos del transformador, como el análisis de gases disueltos (DGA) y la monitorización de pasatapas, dentro de un único dispositivo, los eventos pueden correlacionarse para acelerar el diagnóstico. La presentación expondrá las experiencias prácticas en el despliegue de la solución y los aspectos a tener en cuenta para la aplicación en línea de la termografía.
La termografía facilita la identificación de patrones de temperatura anómalos, que pueden indicar modos de fallo como degradación del aislamiento, conexiones sueltas o fallos de componentes. Para diagnosticar con precisión estos problemas se requiere información adicional del transformador. Al combinar los datos térmicos en línea con otros diagnósticos del transformador, como el análisis de gases disueltos (DGA) y la monitorización de pasatapas, dentro de un único dispositivo, los eventos pueden correlacionarse para acelerar el diagnóstico. La presentación expondrá las experiencias prácticas en el despliegue de la solución y los aspectos a tener en cuenta para la aplicación en línea de la termografía.
#Risk #Solution
Christopher O'Donnell
Technical Applications Engineer – GE Vernova (GB)
El análisis de gases disueltos (DGA – Dissolved Gas Analysis) se ha convertido en la técnica principal para evaluar el estado de los transformadores, ya que la fiabilidad diagnóstica ha mejorado al ritmo de los avances en el control de medición. Las primeras pruebas con llama y tipo Orsat, y posteriormente el relé Buchholz, proporcionaban únicamente indicaciones cualitativas.
A mediados del siglo XX, la espectrometría de masas y la detección por conductividad térmica permitieron identificar los compuestos, pero la partición no controlada hacia la cámara de gas y la variabilidad en el muestreo limitaban la fiabilidad cuantitativa. El punto de inflexión fue el desarrollo de la cadena de medición: extracción controlada (desgasificación al vacío, gas stripping), procedimientos de muestreo trazables y cromatografía de gases automatizada en espacio de cabeza (HS-GC), utilizando viales dedicados, llenados con precisión, sellados con crimpeado y con relaciones de fase definidas.
Los métodos estandarizados (IEC 60567; ASTM D3612) tradujeron este control en mediciones reproducibles y mejor comparabilidad entre laboratorios. Los conjuntos de datos resultantes permiten el análisis multicomponente, los diagnósticos basados en relaciones/gráficas y los clasificadores estadísticos/multivariantes, mejorando la diferenciación entre descargas parciales, defectos térmicos y arcos, reduciendo las falsas alarmas y permitiendo intervenciones más tempranas. Este enfoque es aplicable tanto a aceites minerales como a líquidos alternativos (ésteres naturales/sintéticos, siliconas), siempre que los procedimientos se adapten a las propiedades del fluido y su comportamiento de solubilidad. En definitiva, la transición de un espacio de cabeza rudimentario a uno controlado vincula la integridad del muestreo y la repetibilidad con la DGA cuantitativa y una clasificación de fallas defendible, explicando por qué la DGA funciona y sigue siendo esencial para el mantenimiento predictivo de transformadores de potencia.
Términos clave: análisis de gases disueltos (DGA), diagnóstico de transformadores, cromatografía en espacio de cabeza (HS-GC), integridad del muestreo, viales de precisión, IEC 60567, ASTM D3612, mantenimiento predictivo.
El análisis de gases disueltos (DGA – Dissolved Gas Analysis) se ha convertido en la técnica principal para evaluar el estado de los transformadores, ya que la fiabilidad diagnóstica ha mejorado al ritmo de los avances en el control de medición. Las primeras pruebas con llama y tipo Orsat, y posteriormente el relé Buchholz, proporcionaban únicamente indicaciones cualitativas.
A mediados del siglo XX, la espectrometría de masas y la detección por conductividad térmica permitieron identificar los compuestos, pero la partición no controlada hacia la cámara de gas y la variabilidad en el muestreo limitaban la fiabilidad cuantitativa. El punto de inflexión fue el desarrollo de la cadena de medición: extracción controlada (desgasificación al vacío, gas stripping), procedimientos de muestreo trazables y cromatografía de gases automatizada en espacio de cabeza (HS-GC), utilizando viales dedicados, llenados con precisión, sellados con crimpeado y con relaciones de fase definidas.
Los métodos estandarizados (IEC 60567; ASTM D3612) tradujeron este control en mediciones reproducibles y mejor comparabilidad entre laboratorios. Los conjuntos de datos resultantes permiten el análisis multicomponente, los diagnósticos basados en relaciones/gráficas y los clasificadores estadísticos/multivariantes, mejorando la diferenciación entre descargas parciales, defectos térmicos y arcos, reduciendo las falsas alarmas y permitiendo intervenciones más tempranas. Este enfoque es aplicable tanto a aceites minerales como a líquidos alternativos (ésteres naturales/sintéticos, siliconas), siempre que los procedimientos se adapten a las propiedades del fluido y su comportamiento de solubilidad. En definitiva, la transición de un espacio de cabeza rudimentario a uno controlado vincula la integridad del muestreo y la repetibilidad con la DGA cuantitativa y una clasificación de fallas defendible, explicando por qué la DGA funciona y sigue siendo esencial para el mantenimiento predictivo de transformadores de potencia.
Términos clave: análisis de gases disueltos (DGA), diagnóstico de transformadores, cromatografía en espacio de cabeza (HS-GC), integridad del muestreo, viales de precisión, IEC 60567, ASTM D3612, mantenimiento predictivo.
#R&D #Solution
Marius Grisaru
Senior transformer and oil global consultant – Marius Grisaru Oil & Transformer Solutions (Israel)
#Sustainability #R&D #Solution
Dr Luca Pezzini
AI & Storytelling Expert (Italy)
#Asset #Solutions
Franco Salomone
Operations Chief Engineer – FM (Italy)
Este estudio examina los aceites aislantes, en adelante denominados aceites para transformadores, disponibles en el mercado de Oriente Medio, ya sean de producción regional o importados de proveedores globales. Estos aceites para transformadores se comercializan y venden de acuerdo con la última norma IEC 60296, Edición 5 (2020), que especifica los requisitos para fluidos para aplicaciones electrotécnicas – Aceites aislantes minerales para equipos eléctricos. El enfoque de este estudio está específicamente en los aceites para transformadores clasificados y declarados como conformes con la IEC 60296 TVUB (T = Transformers, V = Virgin (nuevo) oil, U = Uninhibited, y B = Tipo B). La investigación tiene como objetivo determinar si estos aceites para transformadores contienen aditivos no declarados, incluidos inhibidores antioxidantes, a pesar de estar etiquetados y vendidos como “aceite para transformadores uninhibited” que contiene “ningún aditivo no declarado”.
Este estudio examina los aceites aislantes, en adelante denominados aceites para transformadores, disponibles en el mercado de Oriente Medio, ya sean de producción regional o importados de proveedores globales. Estos aceites para transformadores se comercializan y venden de acuerdo con la última norma IEC 60296, Edición 5 (2020), que especifica los requisitos para fluidos para aplicaciones electrotécnicas – Aceites aislantes minerales para equipos eléctricos. El enfoque de este estudio está específicamente en los aceites para transformadores clasificados y declarados como conformes con la IEC 60296 TVUB (T = Transformers, V = Virgin (nuevo) oil, U = Uninhibited, y B = Tipo B). La investigación tiene como objetivo determinar si estos aceites para transformadores contienen aditivos no declarados, incluidos inhibidores antioxidantes, a pesar de estar etiquetados y vendidos como “aceite para transformadores uninhibited” que contiene “ningún aditivo no declarado”.
#Risk #Solution #R&D
Nils Herlenius
Senior Technical Consultant – FARABI PETROCHEMICALS (Saudi Arabia)
La instalación de sistemas de monitoreo en línea puede mejorar significativamente la fiabilidad de los transformadores y, en general, de las redes eléctricas. Sin embargo, cuando se aplican a los bornas de alta tensión, es fundamental reconocer que estos sistemas de monitoreo suelen conectarse al aislamiento principal a través del borne de prueba o de tensión. Esto requiere desconectar la tapa de puesta a tierra original, introducir nuevos componentes y una impedancia de medición, alterando así el diseño mecánico y eléctrico original. Tales modificaciones introducen riesgos potenciales que deben evaluarse y mitigarse cuidadosamente antes de implementar cualquier solución de monitoreo. Si la borna no está sólidamente puesto a tierra, es esencial mantener un control estricto del voltaje para garantizar que ni las tensiones operativas ni las transitorias alcancen niveles peligrosos. Esta consideración es especialmente crítica en entornos sometidos a esfuerzos transitorios o a operaciones de conmutación frecuentes, donde es esencial verificar que la protección contra sobretensiones responda con la rapidez suficiente para salvaguardar la borna y garantizar su fiabilidad a largo plazo. Además, la integración mecánica de los equipos de monitoreo es de suma importancia. El diseño y el sellado de los componentes de monitoreo deben prevenir eficazmente la contaminación —como la humedad— en el borne o en los puntos de conexión, y los materiales utilizados deben ser compatibles con los de la borna para evitar la corrosión galvánica.
La instalación de sistemas de monitoreo en línea puede mejorar significativamente la fiabilidad de los transformadores y, en general, de las redes eléctricas. Sin embargo, cuando se aplican a los bornas de alta tensión, es fundamental reconocer que estos sistemas de monitoreo suelen conectarse al aislamiento principal a través del borne de prueba o de tensión. Esto requiere desconectar la tapa de puesta a tierra original, introducir nuevos componentes y una impedancia de medición, alterando así el diseño mecánico y eléctrico original. Tales modificaciones introducen riesgos potenciales que deben evaluarse y mitigarse cuidadosamente antes de implementar cualquier solución de monitoreo. Si la borna no está sólidamente puesto a tierra, es esencial mantener un control estricto del voltaje para garantizar que ni las tensiones operativas ni las transitorias alcancen niveles peligrosos. Esta consideración es especialmente crítica en entornos sometidos a esfuerzos transitorios o a operaciones de conmutación frecuentes, donde es esencial verificar que la protección contra sobretensiones responda con la rapidez suficiente para salvaguardar la borna y garantizar su fiabilidad a largo plazo. Además, la integración mecánica de los equipos de monitoreo es de suma importancia. El diseño y el sellado de los componentes de monitoreo deben prevenir eficazmente la contaminación —como la humedad— en el borne o en los puntos de conexión, y los materiales utilizados deben ser compatibles con los de la borna para evitar la corrosión galvánica.
#Asset #Risk #Solution
Flavio Tarallo
EU Transformers Digital Manager – Hitachi Energy SpA (Italy)
#Asset #Risk #R&D
Letizia De Maria
Senior researcher – RSE( Italy)
Actualmente, el Mercado de Capacidad exige a los productores de energía minimizar la indisponibilidad de las unidades de generación. Al mismo tiempo, los plazos de entrega para la adquisición de repuestos se han incrementado considerablemente. Por ello, se hace necesario un cambio en la estrategia de mantenimiento: pasar de un enfoque correctivo a uno preventivo. Este trabajo analiza el impacto económico de una avería del transformador elevador en la central eléctrica de Sermide, destacando el papel clave del análisis del aceite del transformador en las estrategias de mantenimiento preventivo. El análisis del aceite es una herramienta de diagnóstico fundamental que, junto con las pruebas eléctricas, permite detectar de forma temprana la degradación del aislamiento y otros fallos, reduciendo significativamente el riesgo de fallos inesperados. Se proponen recomendaciones estratégicas para optimizar los enfoques de mantenimiento, con el objetivo no solo de mejorar la fiabilidad del sistema y reducir los tiempos de inactividad, sino también de aumentar la seguridad del personal, proteger el medio ambiente y maximizar los resultados económicos. Este trabajo ofrece ideas valiosas para los operadores del sector energético y los responsables políticos que buscan equilibrar la eficiencia de costes con la resiliencia operativa en un entorno de mercado cada vez más complejo.
Actualmente, el Mercado de Capacidad exige a los productores de energía minimizar la indisponibilidad de las unidades de generación. Al mismo tiempo, los plazos de entrega para la adquisición de repuestos se han incrementado considerablemente. Por ello, se hace necesario un cambio en la estrategia de mantenimiento: pasar de un enfoque correctivo a uno preventivo. Este trabajo analiza el impacto económico de una avería del transformador elevador en la central eléctrica de Sermide, destacando el papel clave del análisis del aceite del transformador en las estrategias de mantenimiento preventivo. El análisis del aceite es una herramienta de diagnóstico fundamental que, junto con las pruebas eléctricas, permite detectar de forma temprana la degradación del aislamiento y otros fallos, reduciendo significativamente el riesgo de fallos inesperados. Se proponen recomendaciones estratégicas para optimizar los enfoques de mantenimiento, con el objetivo no solo de mejorar la fiabilidad del sistema y reducir los tiempos de inactividad, sino también de aumentar la seguridad del personal, proteger el medio ambiente y maximizar los resultados económicos. Este trabajo ofrece ideas valiosas para los operadores del sector energético y los responsables políticos que buscan equilibrar la eficiencia de costes con la resiliencia operativa en un entorno de mercado cada vez más complejo.
#Asset # Risk #R&D
Giulia Frattini
I&C, Electrical maintenance manager – A2A Gencogas (Italy)
Desde su introducción al mercado hace casi treinta años, el uso de líquidos ésteres naturales como alternativa al aceite mineral como líquido aislante dieléctrico en transformadores no ha dejado de crecer. Aunque el aceite mineral ha sido durante décadas el líquido de aislamiento más utilizado en transformadores, algunas de sus características —como su bajo punto de inflamación y el riesgo de incendio— han llevado a los investigadores a buscar soluciones alternativas. Los líquidos ésteres naturales, derivados de aceites vegetales, se han aceptado ampliamente como una alternativa fiable y sostenible al aceite mineral, en parte gracias a su punto de inflamación mucho más alto —y por tanto a un menor riesgo de incendio— así como a sus mejores características medioambientales en comparación con el aceite mineral. La naturaleza química de los líquidos ésteres naturales difiere del aceite mineral, lo que conlleva ciertas diferencias en su rendimiento en transformadores. Una de estas diferencias es su comportamiento en condiciones de frío. En algunas regiones del mundo, los transformadores están expuestos a temperaturas por debajo de los -20 °C y -25 °C, consideradas condiciones normales de funcionamiento según las normas internacionales IEEE Std C57.12.00™ e IEC 60076-1. Este artículo analiza el comportamiento de los líquidos ésteres naturales a bajas temperaturas, comparándolo con las características del aceite mineral, más conocidas por los usuarios de transformadores.
Desde su introducción al mercado hace casi treinta años, el uso de líquidos ésteres naturales como alternativa al aceite mineral como líquido aislante dieléctrico en transformadores no ha dejado de crecer. Aunque el aceite mineral ha sido durante décadas el líquido de aislamiento más utilizado en transformadores, algunas de sus características —como su bajo punto de inflamación y el riesgo de incendio— han llevado a los investigadores a buscar soluciones alternativas. Los líquidos ésteres naturales, derivados de aceites vegetales, se han aceptado ampliamente como una alternativa fiable y sostenible al aceite mineral, en parte gracias a su punto de inflamación mucho más alto —y por tanto a un menor riesgo de incendio— así como a sus mejores características medioambientales en comparación con el aceite mineral. La naturaleza química de los líquidos ésteres naturales difiere del aceite mineral, lo que conlleva ciertas diferencias en su rendimiento en transformadores. Una de estas diferencias es su comportamiento en condiciones de frío. En algunas regiones del mundo, los transformadores están expuestos a temperaturas por debajo de los -20 °C y -25 °C, consideradas condiciones normales de funcionamiento según las normas internacionales IEEE Std C57.12.00™ e IEC 60076-1. Este artículo analiza el comportamiento de los líquidos ésteres naturales a bajas temperaturas, comparándolo con las características del aceite mineral, más conocidas por los usuarios de transformadores.
#Asset # Risk #Sustainability
Bruce Forsyth
Director, Global Application Eng. Cargill (USA)
El análisis de gases disueltos en el aceite de aislamiento (DGA, Dissolved Gas Analysis) de los equipos eléctricos de gran potencia, en alta tensión, representa desde hace tiempo uno de los sistemas de diagnóstico más difundidos y fiables. El objetivo es prevenir fallos que puedan dañar irreversiblemente el equipo y dejarlo fuera de servicio. Este análisis se basa en la evaluación del contenido en aceite de ciertos gases hidrocarburos, y otros, mediante la cual es posible diagnosticar de manera preventiva anomalías de naturaleza dieléctrica o térmica y determinar si una o ambas afectan al aislamiento orgánico (típicamente de origen celulósico). Sin embargo, el marco diagnóstico proporcionado por la DGA, por sí solo, no es suficiente para emitir un resultado definitivo, pero es fundamental para guiar investigaciones eléctricas posteriores, destacando la importancia de la sinergia entre especialistas en química y en mediciones eléctricas. El artículo aborda un caso real en el que, frente a una presunta anomalía térmica puesta en evidencia por la DGA, se identifican una serie de mediciones eléctricas destinadas a completar el diagnóstico.
El análisis de gases disueltos en el aceite de aislamiento (DGA, Dissolved Gas Analysis) de los equipos eléctricos de gran potencia, en alta tensión, representa desde hace tiempo uno de los sistemas de diagnóstico más difundidos y fiables. El objetivo es prevenir fallos que puedan dañar irreversiblemente el equipo y dejarlo fuera de servicio. Este análisis se basa en la evaluación del contenido en aceite de ciertos gases hidrocarburos, y otros, mediante la cual es posible diagnosticar de manera preventiva anomalías de naturaleza dieléctrica o térmica y determinar si una o ambas afectan al aislamiento orgánico (típicamente de origen celulósico). Sin embargo, el marco diagnóstico proporcionado por la DGA, por sí solo, no es suficiente para emitir un resultado definitivo, pero es fundamental para guiar investigaciones eléctricas posteriores, destacando la importancia de la sinergia entre especialistas en química y en mediciones eléctricas. El artículo aborda un caso real en el que, frente a una presunta anomalía térmica puesta en evidencia por la DGA, se identifican una serie de mediciones eléctricas destinadas a completar el diagnóstico.
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Claudio Serafino
Independent Consultant – ex Terna (Italy)
Giuseppe Inzirillo
Omicron (Italy)
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Ivanka Hoehlein
Lab manager – Siemens-Energy (Germany)
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Fabrizio Ferrari
Senior advisor (Italy)
Objetivo: La degradación del aislamiento sólido a base de celulosa limita predominantemente la vida útil operativa de los transformadores de potencia. Esta presentación se centra en dos aceleradores críticos del envejecimiento — oxígeno y humedad — detallando sus mecanismos de ingreso, su impacto en el rendimiento dieléctrico y sus implicaciones a largo plazo para la fiabilidad del activo.
Métodos: Presentaremos una estrategia dual de mitigación que incluye: (1) medidas preventivas mediante sistemas avanzados de preservación del aceite (p. ej., deshumidificadores autorregenerativos, barreras de membrana) y (2) diagnóstico en tiempo real mediante sensores integrados y algoritmos predictivos. Estos algoritmos estiman la humedad en el papel (MIP), pronostican el envejecimiento del aislamiento y detectan umbrales críticos, como la formación de burbujas y el descenso de la tensión de ruptura. Se destaca la integración del monitoreo directo de la temperatura de los devanados mediante sensores de fibra óptica como requisito previo para una modelización térmica precisa y mayor exactitud algorítmica.
Resultados: Presentaremos casos reales donde la implementación de estas estrategias combinadas ha conducido a mejoras medibles en la fiabilidad del transformador, incluida la reducción del coste total de propiedad y la extensión de la vida operativa.
Conclusiones: Mostraremos cómo la combinación de barreras físicas y monitoreo inteligente mejora la resiliencia del transformador y apoya las estrategias de mantenimiento basado en la condición.
Objetivo: La degradación del aislamiento sólido a base de celulosa limita predominantemente la vida útil operativa de los transformadores de potencia. Esta presentación se centra en dos aceleradores críticos del envejecimiento — oxígeno y humedad — detallando sus mecanismos de ingreso, su impacto en el rendimiento dieléctrico y sus implicaciones a largo plazo para la fiabilidad del activo.
Métodos: Presentaremos una estrategia dual de mitigación que incluye: (1) medidas preventivas mediante sistemas avanzados de preservación del aceite (p. ej., deshumidificadores autorregenerativos, barreras de membrana) y (2) diagnóstico en tiempo real mediante sensores integrados y algoritmos predictivos. Estos algoritmos estiman la humedad en el papel (MIP), pronostican el envejecimiento del aislamiento y detectan umbrales críticos, como la formación de burbujas y el descenso de la tensión de ruptura. Se destaca la integración del monitoreo directo de la temperatura de los devanados mediante sensores de fibra óptica como requisito previo para una modelización térmica precisa y mayor exactitud algorítmica.
Resultados: Presentaremos casos reales donde la implementación de estas estrategias combinadas ha conducido a mejoras medibles en la fiabilidad del transformador, incluida la reducción del coste total de propiedad y la extensión de la vida operativa.
Conclusiones: Mostraremos cómo la combinación de barreras físicas y monitoreo inteligente mejora la resiliencia del transformador y apoya las estrategias de mantenimiento basado en la condición.
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Enrico Cenghialta
Service manager – COMEM (Italy)
Fiorenzo Stevanato
Technical Consultant, COMEM (Italy)
La corrosión por azufre en transformadores, históricamente asociada al cobre (como el DBDS), está cobrando cada vez más relevancia en relación con la plata. Aunque la corrosión de la plata puede representar un riesgo elevado, ha sido menos estudiada debido a su baja frecuencia y a las limitaciones en los métodos de detección. Casos recientes han evidenciado lagunas en la comprensión de los mecanismos y orígenes de la corrosión por azufre, especialmente del azufre elemental (S₈), presente tanto en aceites minerales como en líquidos aislantes tipo éster.
Este trabajo analiza la cinética y los mecanismos de formación de sulfuro de plata, destacando el papel clave de la relación entre la masa de aceite y la superficie de plata. Incluso con concentraciones bajas de S₈, pueden producirse depósitos relevantes. Las normativas actuales (como ASTM D1275 e IEC 62697) no siempre reflejan adecuadamente las condiciones reales.
Se proponen modificaciones a los protocolos de ensayo, junto con soluciones innovadoras para el tratamiento de aceites y la limpieza de contactos plateados, desarrolladas por el Instituto Nikola Tesla. Estas técnicas permiten eliminar el azufre elemental de manera eficaz sin eliminar antioxidantes, ofreciendo estrategias de mitigación sostenibles a corto y largo plazo.
La corrosión por azufre en transformadores, históricamente asociada al cobre (como el DBDS), está cobrando cada vez más relevancia en relación con la plata. Aunque la corrosión de la plata puede representar un riesgo elevado, ha sido menos estudiada debido a su baja frecuencia y a las limitaciones en los métodos de detección. Casos recientes han evidenciado lagunas en la comprensión de los mecanismos y orígenes de la corrosión por azufre, especialmente del azufre elemental (S₈), presente tanto en aceites minerales como en líquidos aislantes tipo éster.
Este trabajo analiza la cinética y los mecanismos de formación de sulfuro de plata, destacando el papel clave de la relación entre la masa de aceite y la superficie de plata. Incluso con concentraciones bajas de S₈, pueden producirse depósitos relevantes. Las normativas actuales (como ASTM D1275 e IEC 62697) no siempre reflejan adecuadamente las condiciones reales.
Se proponen modificaciones a los protocolos de ensayo, junto con soluciones innovadoras para el tratamiento de aceites y la limpieza de contactos plateados, desarrolladas por el Instituto Nikola Tesla. Estas técnicas permiten eliminar el azufre elemental de manera eficaz sin eliminar antioxidantes, ofreciendo estrategias de mitigación sostenibles a corto y largo plazo.
#Asset #Risk #R&D
Dr Jelena Lukic
Assist. dir. for science, innovations and technological development – NIkola Tesla Institute (Serbia)
#Asset #Sustainability #Solutions #R&D
Fabio Scatiggio
Senior Technical Advisor – A&A Fratelli Parodi (Italy)
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Dr Bruce Pahlavanpour
Senior consultant – Ergon International (UK)
Los transformadores de potencia desempeñan un papel crucial en los sistemas de transmisión y distribución eléctrica, siendo costosos y estratégicamente importantes. Su funcionamiento eficiente y prolongado es esencial para evitar cortes de energía a largo plazo. Con decenas de miles de transformadores en todo el mundo acercándose al final de su vida útil típica de 30 a 40 años, la cuestión del reciclaje cobra importancia. Sorprendentemente, alrededor del 95 % de los materiales de un transformador de potencia podrían reciclarse.
Reconociendo la importancia de la economía circular, la Comisión Europea adoptó en 2020 un plan para avanzar hacia un modelo circular que reemplace el modelo lineal de «extraer, fabricar, desechar», convirtiendo los residuos en nuevos recursos. Aunque el enfoque inicial se centró en la eficiencia energética de los transformadores, el impacto de los materiales no es despreciable. La próxima revisión del reglamento de ecodiseño para transformadores, prevista para 2024, introducirá nuevos requisitos sobre eficiencia de los materiales.
Esta ponencia se centrará en el desarrollo de la investigación sobre el retrorelleno de transformadores con líquidos aislantes alternativos o reciclados. Esta técnica consiste en sustituir el aceite mineral de un transformador en funcionamiento por un fluido biodegradable y menos inflamable. El procedimiento permitiría transformadores más seguros y respetuosos con el medio ambiente, y podría permitir aplicar cargas mayores, retrasando la sustitución del equipo. Sin embargo, la técnica no ha sido suficientemente estudiada: es necesario evaluar su impacto en el funcionamiento del transformador y analizar su viabilidad técnica y económica.
Los transformadores de potencia desempeñan un papel crucial en los sistemas de transmisión y distribución eléctrica, siendo costosos y estratégicamente importantes. Su funcionamiento eficiente y prolongado es esencial para evitar cortes de energía a largo plazo. Con decenas de miles de transformadores en todo el mundo acercándose al final de su vida útil típica de 30 a 40 años, la cuestión del reciclaje cobra importancia. Sorprendentemente, alrededor del 95 % de los materiales de un transformador de potencia podrían reciclarse.
Reconociendo la importancia de la economía circular, la Comisión Europea adoptó en 2020 un plan para avanzar hacia un modelo circular que reemplace el modelo lineal de «extraer, fabricar, desechar», convirtiendo los residuos en nuevos recursos. Aunque el enfoque inicial se centró en la eficiencia energética de los transformadores, el impacto de los materiales no es despreciable. La próxima revisión del reglamento de ecodiseño para transformadores, prevista para 2024, introducirá nuevos requisitos sobre eficiencia de los materiales.
Esta ponencia se centrará en el desarrollo de la investigación sobre el retrorelleno de transformadores con líquidos aislantes alternativos o reciclados. Esta técnica consiste en sustituir el aceite mineral de un transformador en funcionamiento por un fluido biodegradable y menos inflamable. El procedimiento permitiría transformadores más seguros y respetuosos con el medio ambiente, y podría permitir aplicar cargas mayores, retrasando la sustitución del equipo. Sin embargo, la técnica no ha sido suficientemente estudiada: es necesario evaluar su impacto en el funcionamiento del transformador y analizar su viabilidad técnica y económica.
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Alfredo Ortiz-Fernández
Professor at University of Cantabria (Spain)
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Riccardo Maina
Lab Manager – Sea Marconi (Italy)
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Agustín Harte
Programme Management Officer – Basel, Rotterdam and Stockholm Conventions Secretariat (CH)
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Senja Leivo
Senior Industry expert – Vaisala Oyj (Finland)
Digital twins are powerful tools to support decision making, but how will they help in a world of rapid system growth in electricity infrastructure: investment in data centers and renewables; increased use of automation and AI/ML; demands for increased reliability of supply? In this paper we look at what makes a ‘good’ digital twin, and what can lead to a poor implementation – an ‘evil twin’ – by looking at the construction of a twin, the automated analyses, and the connection between twin predictions and reality. We know that a digital twins is a model, and that all models are ‘wrong’, but how far wrong does it have to be before it becomes ‘unacceptably wrong’? Understanding why and how a digital twin is wrong is crucial to both its acceptability and its successful application: someone has to know what is going on!
Digital twins are powerful tools to support decision making, but how will they help in a world of rapid system growth in electricity infrastructure: investment in data centers and renewables; increased use of automation and AI/ML; demands for increased reliability of supply? In this paper we look at what makes a ‘good’ digital twin, and what can lead to a poor implementation – an ‘evil twin’ – by looking at the construction of a twin, the automated analyses, and the connection between twin predictions and reality. We know that a digital twins is a model, and that all models are ‘wrong’, but how far wrong does it have to be before it becomes ‘unacceptably wrong’? Understanding why and how a digital twin is wrong is crucial to both its acceptability and its successful application: someone has to know what is going on!
#Asset #Solutions #R&D
Dr Tony McGrail
Solutions Director – DOBLE Engineering (US)
A significant step toward broader adoption of Dielectric Frequency Response (DFR) for condition assessment of capacitance-graded bushings was the release of IEEE C57.12.200 in 2022. Since its publication, further operational experience has been gathered.
Baseline DFR testing on newly installed bushings is a well-established and recommended practice, as it supports more accurate assessments during service life. However, it is crucial to recognize the impact of fringing effects, which arise due to differences in the electrical environment when testing bushings in the field versus routine factory testing as specified in bushing standards.
While IEEE C57.12.200 includes examples of bushing degradation and corresponding analysis techniques, additional insights have emerged from extensive field application of DFR, applicable to both oil-impregnated and dry-type designs. These findings underscore the value of testing at 1400 V, which has been shown to yield more reliable results in evaluating bushing condition compared to tests conducted at lower voltages.
Keywords—Bushings, OIP, RIP, RIS, DFR, Capacitance, Dissipation Factor, Insulation Power Factor, tanδ
A significant step toward broader adoption of Dielectric Frequency Response (DFR) for condition assessment of capacitance-graded bushings was the release of IEEE C57.12.200 in 2022. Since its publication, further operational experience has been gathered.
Baseline DFR testing on newly installed bushings is a well-established and recommended practice, as it supports more accurate assessments during service life. However, it is crucial to recognize the impact of fringing effects, which arise due to differences in the electrical environment when testing bushings in the field versus routine factory testing as specified in bushing standards.
While IEEE C57.12.200 includes examples of bushing degradation and corresponding analysis techniques, additional insights have emerged from extensive field application of DFR, applicable to both oil-impregnated and dry-type designs. These findings underscore the value of testing at 1400 V, which has been shown to yield more reliable results in evaluating bushing condition compared to tests conducted at lower voltages.
Keywords—Bushings, OIP, RIP, RIS, DFR, Capacitance, Dissipation Factor, Insulation Power Factor, tanδ
#Asset #Risk #Solution
Dr. Peter Werelius
Senior Application Specialist – Megger Sweden AB (Sweden)
6 Thematic areas
Sustainability
Sustainability advancements throughout the product lifecycle will be a key focus of the event
Activo
Knowing the equipment means understanding its role, operational history, and differences with assets in the same or other fleet
Risk
In-depth knowledge of risks, with significant financial impacts, is crucial for informed asset management decisions
Solution
Understanding techniques, therapies, tools, and strategies for proper asset management and efficiency
I+D
Research and development are key to progressing, addressing new challenges, and finding innovative solutions
Resilience
My Transfo 2025 will explore strategies, technologies, and best practices to enhance asset resilience and optimize performance over time
Interventions divided by types
Choose at any time which intervention to attend (Piemonte room/Agnelli room) based on the title or type of the intervention
- MasterClass (high-level educational content)
- General session (cross-cutting and generalist content)
- Case study (real-life/research case presentations)
- Focus Tables (Interactive sessions where attendees engage directly with industry experts on specific topics)
- Round table (panel discussions)
- Sponsored (sponsored content)
- Q&A session
James Reid holds a MSc Reliability Engineering & Safety Management from Heriot Watt University and a BEng Chemical Engineering from University of Edinburgh. He has been a chartered Chemical Engineer with the IChemE since 2002 and is also a member of ASTM. Based in the UK, James leads the technical applications team providing global support for all the ester-based products manufactured by global specialty materials company M&I Materials, including the MIDEL range of dielectric liquids. Prior to joining the technical team at M&I Materials in 2019, James has over two decades experience in technical and operational management roles with major UK utility, leading international chemical, and specialist oil companies.
Jean SANCHEZ is senior transformer engineer at EDF, French main generation utility, mostly on investigations, tests and its associated diagnosis, Factory Acceptance Tests, HV bushings, fleet assessments. He’s involved in IEC and CIGRE working groups. He completed a PhD degree on power transformers fault diagnosis in 2011 with a French power transformer reparation factory, TSV.
Ufuk Kivrak has BS and MS degrees in mechanical engineering. He has more than 25 years of industrial experience in transformers and power grid industries. He has worked for ABB in several management positions in Turkey, Thailand and Switzerland. He has led Supply Chain Management organization of ABB Transformer business globally from 2003 to 2015, which included explosive growth of transformer market from 2003 to 2008, which was followed by a market collapse in 2009 and onwards. In 2015, he has joined Alstom Grid as VP-Strategic Sourcing and continued as Head of Strategic Sourcing in GE Grid Solutions after Alstom was acquired by GE. Currently he is Managing Director of SCM Consulting GmbH.
Armando Pastore received his mechanical engineering master’s degree from University of Naples Federico II. After the graduation he had different experiences in automotive and railway sectors. He joined the power grid business sector in 2012 working as R&D mechanical engineer and product industrialization with special focus on transformer and wall bushings for HVDC application. Since 2015 he has been working at GE Grid Solution covering different roles as engineering manufacturing, production, technical and product manager. In 2022 he has been appointed chair for Italy SC 36A – Insulated bushings.
Riccardo Actis was born in 1969 He holds a degree in mechanical engineering, obtained from Polytechnic University of Turin in 1995. Today he is the Global Operation Manager of the On-Site Service Department at Sea Marconi, with more than 25 years of experience in organization and follow-up of on-site work activities, in Italy, France, Spain, and other countries (KSA, Argentina, Uruguay, Japan). Riccardo has a deep knowledge of condition-based maintenance, as well as treatment and decontamination techniques of insulating liquids.
Vojko Mrdic has been working as applications engineer in transformer testing group at DV Power, a well-known manufacturer of test and measurement equipment for electric power industry. His responsibilities include development of new methods for transformer testing, providing technical support to DV Power customers, as well as performing on-site field testing. Before joining DV Power 13 years ago, he had been working at the large apparatus manufacturer Energoinvest RAOP for 1 year as a junior engineer in circuit breakers and instrument transformers development department. Vojko has a BSc diploma degree in electrical engineering from the University of East Sarajevo.
Roberto Fernández is an experienced Electrical Engineer who has spent most of his career on the transformer design field and R&D activities focused on the magneto-electric and thermal design for a wide range of transformer applications. He is member of the IEC, CIGRE and several national and international working groups. He is currently the Application Technical Leader at Cargill Bioindustrial.
Field Service engineer since 1976 working for Merlin-Gerin on GIS Switchgear, Schneider Electric Equipment, JST Tranformateurs , following in SIEMENS as African Aera sales Manager and JST Maintenance as business development
Dr. Sameera completed his Bachelor of Science in Engineering (Honors) and Master of Science in Electrical and Electronic Engineering at the University of Peradeniya, Sri Lanka. After graduating, he worked as a High Voltage Laboratory Instructor at the University of Peradeniya and as a Research Assistant in the Condition Monitoring Team at the Engineering Design Centre. He then pursued his PhD at the University of Queensland, Australia. Following that, he joined the same university as a postdoctoral research fellow, where he investigated the use of drone footage and Machine Learning technologies for detecting overhead conductor defects. After completing his fellowship, he became a consultant at EA Technology, one of the world’s leading asset management consultancy service providers. Currently, he works as an asset strategy engineer at Energy Queensland, the largest distribution network service provider in Australia.
Vander Tumiatti is the founder and owner of SEA MARCONI GROUP (since 1968 – www.seamarconi.com), Torino, Italy, an international company that is involved in research, technologies, products, and services for energy and environment. He has developed BAT and BEP Sustainable Solutions for Life Cycle Management (LCM) of insulating liquids and transformers focalized on inventory, control, diagnosis, decontamination, depolarization (DBDS, TCS, and polar compounds) and dehalogenation / detoxification (PCBs/POPs). He holds 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 from 2000 to 2024. He is also a member of several international groups, with major participation in technical normative activities (CEN, IEC, CIGRE, IEEE). In 2009 June, he received – «1906 Award», the IEC’s 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, recognized worldwide, in the development of diagnostic chemical analyses”. He also received the «Alessandro Volta» award as expert since 1978 in the standardization activities. He was the coordinator of European and national research projects in the field of circular and granular bioeconomy (BIOENPRO®). He also inventor of My Transfo Meeting since 2002 (www.mytransfo.com)
Dr Bruce Pahlavanpour BSC, DIC, PHD from Imperial College, London. Recently he joined Ergon International as consultant. Dr Pahlavanpour was Chief Specialist for the Electrical industry application group within Nynas TDMS.
Fabio Scatiggio was born in Venezia, Italy, in 1957.