Overview:

The earth wire insulator is composed of two parts: the insulator itself and the protective gap. The protective gap consists of electrodes that are fixed to the insulator via bolts.

Ground wire insulators are used to support the ground wire in high-voltage overhead transmission lines. During normal operation of the line, the ground wire is insulated from the tower, reducing transmission energy loss and enabling ground wire carrier communication. When the ground wire voltage is set, gap discharge occurs, and the ground wire is connected to the tower, performing various protective functions.

Ground wire insulators are categorized into suspended and tension types based on installation and electrode structure, with mechanical and electrical failure load ratings of 70kN and 100kN respectively.

The ground wire insulator upper and lower electrodes are pre-assembled before shipment, and the discharge gap has been adjusted and secured according to the design specifications, no on-site assembly required.

Technical Standards:

JB 9680-1999 Insulating Wire Suspenders for Overhead Transmission Lines with High Voltage, Disc-Type Porcelain Insulators

Model Description:

XDP - Disc-type suspension porcelain insulator for high-voltage overhead transmission line ground wire insulation

The number following “—” represents the mechanical breakdown load value, in kN.

C - Channel structure

N - electrode form, N indicates tension suspension (��垂 suspension is not indicated).