Analysis Of The Structure Of A High-voltage Disconnector: Base, Insulating Support, And Conductive Components

The base serves as the support platform for the high voltage isolator, used to fix the post insulator and connect it to the external operating mechanism. This part is typically constructed of high-strength metal to support the weight of the upper components and withstand mechanical stress.

The insulating post acts as the insulating medium in the structure, isolating the conductive parts from the electrical connection with the base while resisting electric field stress under high voltage. The support pillar enables physical separation between components at different potentials, which is the foundation for the reliable operation of the high voltage isolator switch.

The conductive component integrates static and dynamic contacts, providing a direct channel for current transmission. The conductive part is fixed to the top of the post insulator and includes a static contact for connecting to the busbar and a dynamic contact that initiates contact or disconnection during operation.

This three-part construction method is widely adopted, suitable not only for the standard hv isolator type but also for various outdoor and indoor hv isolator switch designs.