Low-voltage circuit breaker arcs—simulation and measurements

F Yang, Y Wu, M Rong, H Sun… - Journal of Physics D …, 2013 - iopscience.iop.org
As one of the most important electrical components, the low-voltage circuit breaker (LVCB)
has been widely used for protection in all types of low-voltage distribution systems. In …

High-throughput screening of gas sensor materials for decomposition products of eco-friendly insulation medium by machine learning

X Wan, W Yu, A Wang, X Wang, J Robertson… - ACS …, 2023 - ACS Publications
Nowadays, trifluoromethyl sulfonyl fluoride (CF3SO2F) has shown great potential to replace
SF6 as an eco-friendly insulation medium in the power industry. In this work, an effective and …

[HTML][HTML] Transient thermal analysis of the circuit breaker current path with the use of fea simulation

M Szulborski, S Łapczyński, Ł Kolimas, D Zalewski - Energies, 2021 - mdpi.com
The finite element analysis (FEA) is an essential and powerful numerical method that can
explicitly optimize the design process of electrical devices. In this paper, the employment of …

Perspectives on research on high voltage gas circuit breakers

M Seeger - Plasma Chemistry and Plasma Processing, 2015 - Springer
The research on high voltage circuit breakers using SF 6 is addressed. The current state of
the art in this field is shortly reviewed and future research directions are discussed. These …

Mechanisms for insulation recovery during repetitive breakdowns in gas gaps

L Li, J Chen, C Yi, X Xu, G Xu, B Wang - Physics of Plasmas, 2023 - pubs.aip.org
The insulation recovery during repetitive breakdowns in gas gaps is a fundamental scientific
issue in both traditional and emerging electrical technology fields, which has received …

Study of an ablation-dominated arc in a model circuit breaker

D Eichhoff, A Kurz, R Kozakov, G Gött… - Journal of Physics D …, 2012 - iopscience.iop.org
A switching arc in a model circuit breaker is studied by means of CFD simulations and
optical emission spectroscopy. The arc is initiated between tungsten–copper electrodes in a …

Electrodynamic Forces in a High Voltage Circuit Breakers With Tulip Contact System—FEM Simulations

M Szulborski, S Łapczyński, Ł Kolimas, M Tyryk - IEEE Access, 2022 - ieeexplore.ieee.org
Paper concerns the effects of electrodynamic forces that act on the contacts of the tulip
contact system that is often implemented in high voltage circuit breakers. The high voltage …

Increasing Magnetic Blow-Out Force by Using Ferromagnetic Side Plates inside MCB

M Szulborski, S Łapczyński, Ł Kolimas - Energies, 2022 - mdpi.com
The paper presents a modern method of computer modeling, concerning the low-voltage
extinguishing chambers employed in modular apparatuses. The focus was put on …

PTFE vapor contribution to pressure changes in high-voltage circuit breakers

JJ Gonzalez, P Freton, F Reichert… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
A transient magneto-hydrodynamic model based on@ Ansys-Fluent software applied on a
high-voltage circuit breaker (HVCB) geometry is presented. The model is turbulent (κ-ε …

Modelling and simulation of radiative energy transfer in high-voltage circuit breakers

F Reichert, JJ Gonzalez, P Freton - Journal of Physics D: Applied …, 2012 - iopscience.iop.org
In high-voltage circuit breakers (HVCBs) a high current phase description is essential to
accurately estimate the pressure increase in the heating volume. In this paper a HVCB …