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    E-lesson

    Design of power transformers – e-lesson #9: Insulation design

    10. Insulation design
    Course: Intermediate level

    Hosted by: Aleksandar Lojpur / Intermediate level

    This is the ninth e-lesson in the Design of power transformers course authored and conducted by Aleksandar Lojpur, and here you can access your room link for it.

    The attendees who are subscribed to the entire Intermediate level will have the opportunity to take the mini-exam (a couple of questions) after the session has been conducted. This will be possible after every lesson on this level. If you pass all of the mini-exams, you will earn the certificate of achievement without taking the master exam after the entire level has been conducted.

    Subscribe to this course!

    If you are already a subscriber of the Transformers Academy or Transformers Magazine, please, Login with your credentials.

    The idea behind this series of lectures is to reveal the importance of each design phase and interlinks between them in the transformer life expectation of 30 years and more. This course provides the overview of the main design aspects.

    Attend the session to learn about the following:

    • Voltage shapes
    • Volt time factors
    • Weidmann curves
    • Insulation outside the windings
    • Insulation inside the windings

    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 Končar 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 design verification and more.

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