MATEC Web Conf.
Volume 169, 2018The Sixth International Multi-Conference on Engineering and Technology Innovation 2017 (IMETI 2017)
|Number of page(s)||9|
|Published online||25 May 2018|
Experiment and CFD simulation of exhaust tube in highvoltage circuit breaker
Interrupter Development, ABB Ltd., 5401 Baden, Switzerland
a Corresponding author: firstname.lastname@example.org
In a high-voltage circuit breaker, the exhaust tube connects the arc zone with the exhaust volume. During the arc interruption process, the exhaust tube transports the hot gas from the arc interruption zone to the exhaust volume through its distributed holes. The design of a high performance exhaust tube in the circuit breaker development aims for well controlled hot gas evacuation mass flow and pressure waves. In this paper, the exhaust tube behaviour is investigated using Computational Fluid Dynamics (CFD). To verify the CFD simulation, a basic experimental study with pressure measurements at different positions of the exhaust tube is performed. Further, the design parameters influencing the exhaust tube behaviour and circuit breaker performance are investigated and discussed.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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