The instantaneous contact welding failure refers to the phenomena that the opening time of
relay exceeds the threshold value after the de-energization of coil. The direct consequence …

For alternating current (ac) contactors, the direct consequences of breaking arcs are material
erosion and its associated electrical contact failure. In this article, the ac arc of a commercial …

The making process of alternating current (AC) contactor relates closely to the excited coil
current and contact bounce behaviors. The reduction of pick-up time is beneficial for …

In this paper, measurement results of the arc erosion limitation in low voltage (LV) switches
are presented. The reduction of the arc erosion in the analyzed electromechanical switches …

For three-phase alternating current (ac) contactors, the degradation of switching
performance is affected by the accumulated arc erosion on contacts seriously. The direct …

The longer electrical lifetime and higher reliability of AC contactors are forever demanded for
industrial customers. It is known the occurred failure events of contactors are mainly caused …

This paper presents the analysis of bidirectional Transient Voltage Suppressor (TVS)
application for limitation of the electric arc energy in a low voltage circuit. The study employs …

This paper presents a hybrid switches based on semiconductors and mechanical switches.
Devices are dedicated to limitation of adverse effect of capacitive type loads start-up …

This paper presents results from performed research on a mitigation of an electric arc in a LV
switch through an application of a time‐controlled separation of contacts of the tested switch …

An Improved EMTP-ATP Simulation Model for Electric Arc Analyses - Switching Overvoltage
Studies Page 1 978-1-5386-6091-1/18/$31.00 ©2018 IEEE An Improved EMTP-ATP …