Partial discharge test loop device for high-voltage cable assembly

The utility model belongs to the technical field of high-voltage power grid insulation test, and particularly relates to a high-voltage cable assembly partial discharge test loop device, which comprises a high-voltage cable assembly, a plurality of umbrella skirt terminals, a plurality of grading rings, a shielding tube, a high-voltage connecting line and a ground wire, one end of the high-voltage connecting line is connected with test equipment, and the other end of the high-voltage connecting line is connected with the high-voltage cable assembly. A shielding tube is sleeved outside the high-voltage connecting wire, the umbrella skirt terminals are sleeved at two ends of the high-voltage cable assembly, the high-voltage cable assembly is grounded through a grounding wire, the grading rings are arranged at two end parts of the high-voltage cable assembly, and the test equipment is used for measuring the partial discharge quantity of the high-voltage cable assembly. The method has the effect of improving the