Proper Testing of High-Speed DC Circuit-Breakers in a Railway Environment

High-speed DC circuit-breakers, in this paper referred to as circuit-breakers, are present in all sorts of rail infrastructure. National or urban railways, tramways or metro's, they all rely on circuit-breakers to protect them from disastrous situations.

The circuit-breakers can be installed either on-board of the trains or on the trackside, in traction power substations. Needless to say that the circuit-breakers are a critical part of the rail infrastructure. In the best case a faulty unit can cause the trains to stand still, in the worst case it can blow up parts of the infrastructure and cause casualties.

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