Preferential Subjects

New preferential subject

Experience on the impacts of the pandemic COVID-19 in the operation, maintenance, logistic, acceptance tests, etc.


  • PS 1: Advances in materials, specification, design and manufacturing of transformers and new applications
    • Transformer specifications for improving efficiency and reliability of design, manufacturing and installation processes;
    • Specification of dielectric and / or thermal design requirements, especially for unusual applications;
    • Specification and qualification of sealing material in contact with the insulating fluid in transformers;
    • New and advanced materials, concepts and design techniques;
    • Transformers for universal access to electricity;
    • Transformers for application in solar farms and wind parks;
    • Transformers for application in smart grids;
    • Effect of overload requirements on transformer design and its components. Specification and design requirements based on the estimated load curve of the transformer;
    • Transformers Digitalization.
  • PS 2: Quality assurance, performance on factory final test and during commissioning
    • Challenges in dielectric testing and how to overcome them;
    • Application of advanced tools for measuring and interpreting test results;
    • Best practices and lessons learned from design review experience;
    • Thermal behavior of power transformers, including harmonic effects from the system and HVDC applications;
    • Experience with the application of guides and standards for interpretation of Dissolved Gas Analysis (DGA) in insulating mineral oil during factory tests.
  • PS 3: Reliability and field performance of transformers
    • Transformers long term reliability studies and surveys;
    • Actions to improve reliability through operation, maintenance, refurbishment and repair;
    • Technical, regulatory and economic aspects and their influence on transformer life cycle management;
    • Strategies to decide the moment of taking a transformer out of operation;
    • Tap changers (maintenance strategies, failure modes, experience with vacuum OLTC).



  • PS 1 - Transmission and distribution equipment - future developments
    • DC medium voltage circuit breakers;
    • Measures to improve reliability;
    • Experience and countermeasures for stresses and overloads;
    • Development of equipment with lower environmental impact;
    • Economical and technological impact of SF6 alternatives for current interruption and electrical isolation;
    • Low Power Instrument Transformer (LPIT).
  • PS 2 - Substation management and lifecycle management of transmission and distribution equipment
    • Risk assessment and decision making to optimize substation assets and maintenance management;
    • Evolution of skills and management competences, training;
    • Diagnosis and prognosis / equipment monitoring;
    • Influence of environmental and operational conditions;
    • Premature failures in instrument transformers;
    • Renovation, refurbishment, expansion and up-rating of substations;
    • Continuity of service for maintenance, refurbishment and replacement.
  • PS 3 – Emerging technologies and design and impact of distributed renewable energy generation
    • Substation trends and solutions to meet new grid requirements including growth of renewable energy resources;
    • Impacts of distributed renewable energy sources and energy storage on equipment specification;
    • Trends and solutions for modular, prefabricated and quick assembly substations;
    • Development of projects focusing on safety, health and recycling.
  • PS 4 – Intelligence integration
    • Application of new concepts such as Internet of Things (IoT) and big data analysis;
    • Challenges and expectations for digitized substations;
    • Incorporation of intelligence to equipment;
    • New and emerging technologies for switching devices and other equipment.



Silver Sponsorship

Bronze Sponsorship