Conference article

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

Jörg Lehmann
ABB Switzerland Ltd., Corporate Research, Switzerland

Daniel Ohlsson
ABB Switzerland Ltd., High-Voltage Products, Switzerland

Hansjürg Wiesmann
ABB Switzerland Ltd., Corporate Research, Switzerland

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Published in: Proceedings of the 7th International Modelica Conference; Como; Italy; 20-22 September 2009

Linköping Electronic Conference Proceedings 43:101, s. 855-860

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Published: 2009-12-29

ISBN: 978-91-7393-513-5

ISSN: 1650-3686 (print), 1650-3740 (online)


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.


Circuit breakers; Thermodynamics and fluid dynamics of gases and plasmas


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