Current turn-off device, current turn-off module and control method

The invention provides a current turn-off device, a current turn-off module and a control method, the current turn-off device comprises a through-flow branch, a transfer branch and an energy consumption branch, and the through-flow branch and the transfer branch are connected in parallel; the through-flow branch is formed by connecting a mechanical switch and a saturable reactor in series; the transfer branch is formed by connecting an oscillation capacitor and an active power electronic unit in series; the energy consumption branch is connected in parallel with the oscillation capacitor of the transfer branch, or is connected in parallel with the through-flow branch. According to the embodiment of the invention, the current turn-off device provided by the invention has the advantages of low quick switch reignition risk, high module redundancy, good equipment economy and the like. 本申请提出一种电流关断装置、电流关断模块和控制方法，所述电流关断装置包括通流支路、转移支路和耗能支路，其中，所述通流支路与所述转移支路并联连接；所述通流支路由机械开关与饱和电抗器串联构成；所述转移支路由振荡电容器和有源电力电子单元串联构成；所述耗能支路与所述转