Prof. Peter Zacharias and Kevin Rabelo Costa presented research results in the field of power electronics at the COBEP / SPEC 2023 in Florianopolis, Brasilien. 

Prof. Zacharias gave a keynote speech on the topic "Impact of Power Electronics Use on Resource Efficiency of Energy Supply". Kevin Rabelo Costa published a paper on "Current Unbalance Detection in Coupling Inductors for Interleaved Multiphase Converters".

Brief overview of the presentation by Professor Zacharias

Title: "Impact of Power Electronics Use on Resource Efficiency of Energy Supply"

Power electronics does not only penetrate many individual applications, but also lead to transformations in the infrastructure of society. This also means a change in the use of resources compared to previous developments. The replacement of fossil energy forms by renewable energy types and the increasing use of electrical energy have great potential in their dissemination. Particularly in the fields of drive technology, the generation and distribution of electrical energy, and electromobility, the changes have already begun and will continue. As a result, materials for which there was previously only a relatively small demand will also come into mass use. At the same time, the use of resources in drive technology and electromobility applications and in storage technology varies. Due to the large demand for materials, the preparation of an efficient circular economy is necessary. This requires principles already at the design stage that simplify repair, enable materials to be reused and prepare equipment and systems for long service lifes. The resulting areas of tension are outlined and conclusions drawn for further development.

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