Arc-extinguishing apparatus

Abstract

An arc-extinguishing apparatus includes a first device, main loop electrodes of the first device include a first electrode and a second electrode; and a switch, which needs to be subjected to arc extinguishing and includes a first end, a second end and a contact bridge, the first electrode and the second electrode are respectively configured to connect to the first end and the second end. The apparatus further includes a capacitor and a first voltage detection switch, the first voltage detection switch and a third electrode and the second electrode of the first device constitute a first series circuit, the contact bridge and the second end constitute a second series circuit, the first series circuit is connected in parallel to the second series circuit, and the capacitor is connected in parallel to the second series circuit.

Dependencies are inferred from the claim text.