Device and method for detecting and recording residual voltage of power distribution terminal

The invention is suitable for the technical field of power distribution feeder automation, and provides a power distribution terminal residual voltage detection recording device and method. The device comprises two residual voltage detection recording circuits which are respectively used for latching respectively collected residual voltage signals; each residual voltage detection recording circuit comprises a voltage transformer, an emitter follower circuit, a rectification circuit and a latch circuit which are connected in sequence; the latch circuit comprises a latch and a first triode; in each residual voltage detection recording circuit, an emitter follower circuit is used for isolating residual voltage signals acquired by a voltage transformer; the rectifying circuit is used for rectifying the isolated residual voltage signal; the output end of the latch is connected with the base electrode of the first triode, the enable end of the latch is connected with the collector electrode of the first triode, the