Reusable dry-type high-voltage cable partial discharge test terminal

By adding a dielectric loss device and a support walking assembly to the dry-type high-voltage cable partial discharge test terminal, the problem of low testing efficiency of existing equipment is solved, realizing efficient insulation performance evaluation of medium and high voltage cables and flexible equipment movement.

CN224436496UActive Publication Date: 2026-06-30SHANDONG HIPO ELECTRIX SCI & TECH
0 Cites 0 Cited by

Patent Information

Application Number
CN202521101018.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-06-30
Estimated Expiration
2035-05-30

AI Technical Summary

Technical Problem

Existing oil-water terminal testing equipment can only perform withstand voltage and partial discharge tests on medium and high voltage cables, resulting in low testing efficiency and failing to meet the need for efficient evaluation of insulation performance.

Method used

Design a reusable dry-type high-voltage cable partial discharge test terminal, add a dielectric loss device, measure the loss value of medium and high voltage cables through a dielectric loss detector, and improve the mobility and transportation reliability of the equipment through a support and walking assembly.

Benefits of technology

It enables efficient insulation performance evaluation of medium and high voltage cables, enhances the integration of testing, and improves the mobility and transportation reliability of the equipment.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model belongs to the technical field of cable testing, and particularly relates to a reusable dry-type high-voltage cable partial discharge test terminal, which comprises a capacitive voltage divider and a dielectric loss device electrically connected with a test tap in the capacitive voltage divider through a lead, the first grading ring and the second grading ring are arranged at the two ends of the insulating cylinder, the insulating cylinder comprises an insulating medium, a cable conductor is arranged in the insulating cylinder in a penetrating mode, the bottom of the insulating cylinder is fixedly connected with a support, the support comprises a base plate, vertical supporting plates and a transverse supporting plate, the vertical supporting plates are symmetrically arranged on the two sides of the transverse supporting plate, and the bottoms of the vertical supporting plates are fixedly connected with the base plate; matched through holes are formed in a bottom plate in the vertical supporting plate and two side plates in the transverse supporting plate, the transverse supporting plate is connected with the vertical supporting plate through a fastener, the insulating cylinder is connected with the transverse supporting plate through a fastener, and the dielectric loss device is additionally arranged, so that the loss value of a middle-high voltage cable in full-power operation is measured.
Need to check novelty before this filing date? Find Prior Art