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Investigating and Modeling the Soft Switching Losses of IGBTs Under Zero Current Switching Conditions

  • 2023
  • OriginalPaper
  • Chapter
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Abstract

The chapter delves into the critical issue of soft switching losses in IGBTs, focusing on zero current switching conditions to enhance efficiency in high and medium power DC/DC conversion applications. It presents an experimental investigation across a wide range of switching currents, highlighting the factors influencing ZCS losses. A key contribution is the development of a parametric model for the charge evacuated from IGBTs during the turn-off process under ZCS conditions. This model, validated through experimental measurements, offers a powerful tool for optimizing ZCS modulation schemes and transformer design, ultimately leading to significant reductions in switching losses and improved power density in cooling systems.

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Title
Investigating and Modeling the Soft Switching Losses of IGBTs Under Zero Current Switching Conditions
Authors
Assil Bouach
Sébastien Mariéthoz
Arnaud Gaillard
Mickaël Hilairet
Copyright Year
2023
DOI
https://doi.org/10.1007/978-3-031-24837-5_19
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