Three-phase voltage transformer

The utility model discloses a three-phase voltage transformer, and relates to the technical field of power equipment. Comprising a pouring body, a first coil assembly, a second coil assembly, a third coil assembly and a fourth coil assembly are arranged in the pouring body, the head ends of the first coil assembly, the second coil assembly and the third coil assembly are connected to a primary fuse through a primary high-voltage end shielding net, and the primary fuse is connected to an electric power system. The tail ends of the first coil assembly, the second coil assembly and the third coil assembly are respectively connected with the head end of the fourth coil assembly, and the tail end of the fourth coil assembly is grounded; and an elbow head shielding net is wound outside the primary high-voltage end shielding net. The three-phase voltage transformer provided by the utility model can improve electric field distribution and reduce partial discharge. 本实用新型公开一种三相电压互感器，涉及电力设备技术领域；包括浇注体，所述浇注体内设有第一线圈组、第二线圈组