Electric power system synchronous phasor measurement system test device capable of protecting interface

The utility model discloses an electric power system synchronous phasor measurement system test device capable of protecting an interface. The electric power system synchronous phasor measurement system test device comprises a shell mechanism and a handle connected with the outer side of the shell mechanism. A connecting port is fixed in the right end of the shell mechanism; the interior of the lower portion of the right end of the shell mechanism is connected with a cover plate through a movable shaft, and a containing groove is formed in the left side face of the cover plate. The interior of the containing groove is connected with a supporting plate through a movable shaft, and the interior of the supporting plate penetrates through a bearing to be connected with a rotating rod. The upper side and the lower side of the rotating rod are both connected with pull ropes, and the pull rope on the upper portion and the pull rope on the lower portion are asymmetrically arranged. The power system synchronous phasor