A Modelica library for High-Voltage AC Circuit-Breaker Modeling

J. Lehmann, D. Ohlsson und H. Wiesmann

in: Proceedings of the 7th International Modelica Conference (Modelica Association) (2009)

Preprint: Modelica_2009.pdf

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The efficient simulation of the current interruption phase in high-voltage circuit breakers is routinely performed based on integral models for the gas dynamics and the arc physics. We present a Modelica framework for such a model. Based on Modelica.Media, a thermodynamic library for the required temperature and pressure range has been developed. Making use of the latest Modelica.Fluid library and the new streams concept, a library for the gas dynamics and the arc physics in such systems has been implemented.

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