With the rapid development of DC power systems and the increasing demand for DC circuit
breakers, electromagnetic repulsive drives-based Thomson coil actuators (TCA) are widely …

Hybrid circuit breakers are a class of protection devices to facilitate fault current limitation
and fast interruption in AC and DC power systems. They are one of the key enabling …

This paper is devoted to investigating the effects of high-speed elongation of arcs inside
ultra-fast switches (ucontact≈ 5–80 m/s), through a 2-D time-dependent model, in Cartesian …

In various embodiments, a circuit interrupter system includes a vacuum circuit interrupter that
has a fixed contact and a moveable contact, both of which are contained within a vacuum …

DC circuit breakers are major enabling components for multi-terminal HVDC systems. Their
key design targets are operating speed and efficiency. This paper proposes a novel moving …

A mathematical model of a linear pulsed electromechanical accelerator with coil and
massive electrically conductive armatures in the presence of a ferromagnetic shield has …

This paper assesses the suitability of the moving coil actuator for use as an ultra-fast, long
stroke linear drive for HVDC breaker applications. With the help of FEA, a sensitivity analysis …

The expansion of DC grids and the development of industrial and residential applications at
DC voltages require the use of fast DC Circuit Breakers (DCCB) with increased reliability …

In this article, the previously known Thomson coil has been used as an actuator for open-
close of a prototype power switch instead of a conventional spring mechanism that can be …

Introduction. High-speed linear pulse electromechanical converters (LPEC) provide
acceleration of the executive element in a short active section to high speed with significant …