Estimation and Measurement of Junction Temperatures in a Three-Level Voltage Source Converter

  title={Estimation and Measurement of Junction Temperatures in a Three-Level Voltage Source Converter},
  author={Thomas Bruckner and Steffen Bernet},
  journal={Fourtieth IAS Annual Meeting. Conference Record of the 2005 Industry Applications Conference, 2005.},
  pages={106-114 Vol. 1}
The design of a power converter must guarantee that the operating junction temperatures thetavj of all devices do not exceed their limits under all specified operating conditions. Usually, this is ensured by a simulative or analytical junction temperature estimation based on simple electrical and thermal models and semiconductor datasheet values. This paper discusses the difficulties and quantifies the limitations of this approach on the example of a three-level neutral point clamped voltage… CONTINUE READING
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