E-lesson

Design of power transformers – e-lesson #3 – Fundamentals of dielectric design

The content of this lesson is fully vendor-agnostic, but it is sponsored by SGB SMIT GmbH.

Basic level
Design of power transformers - e-lesson #3 - Fundamentals of dielectric design - illustration
Basic level

Hosted by: Aleksandar Lojpur / Basic level

This is the third e-lesson in the Design of power transformers course, authored and hosted on basic level by Aleksandar Lojpur. Its content is fully vendor-agnostic, but it is sponsored by SGB SMIT GmbH. Here you can save your seat.

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E-lesson 3: Fundamentals of Dielectric Design covers the following:

    • Introduction to the key properties of electrical insulation materials and their impact on transformer design.
    • Learn about the importance of voltage distribution and the factors influencing insulation design.
    • Explore advanced modeling techniques like finite element analysis to predict and optimize transformer performance.
    • Gain insights into failure prevention, focusing on electrical breakdown and partial discharge risks.
    • Discover how rated insulation levels impact overall transformer design and long-term reliability.

Here is what you can expect to learn this time:

  • Electrical insulation materials: Definition and types, Properties
  • Electric field and voltage distribution
  • Methods to calculate electric field and voltage distribution
  • Breakdown and partial discharges
  • Dielectric tests and their purpose
  • Highest voltage for equipment and rated insulation level

About the author

Alekasndar Lojpur picture - 300 x 300

Aleksandar Lojpur

Aleksandar Lojpur is a Master of Electrical Engineering, having obtained the degree at the Faculty of Electrical Engineering and Computing at the University of
Zagreb, Croatia.
In the period from 2014 to 2021 he performed the duty of Head of Electrical design at the Koncar Power Transformers Ltd., a joint venture of Siemens Energy AG and Končar, while from 2019 to 2020 he was a lecturer at the Postgraduate Specialist Study in Transformers – Transformer Design at the University of Zagreb, Faculty of Electrical Engineering and Computing.
His most notable projects include 200 MVA autotransformer with phase shift regulation for Croatia, 560 MVA, 550 kV single phase autotransformer for USA; 1,000 MVA, 420 kV autotransformer for Norway; 200 MVA and 350 MVA network transformers for solar power plants for Spain, 400 MVA, 245 kV split winding network transformer, SC-tested for
Netherlands and more.