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IEEE 1898

2016 Edition, September 22, 2016

Complete Document

High-Voltage Direct-Current (HVDC) Composite Post Insulators



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Description / Abstract:

The standard describes the terms and definition, use condition, technical requirement, and test methods of composite post insulators for high-voltage direct-current (HVDC) power transmission systems up to ┬▒800 kV.

This standard applies to outdoor and indoor composite station post insulators used in HVDC power transmission systems. The composite station post insulators covered by this standard consist of a load-bearing insulating core (or tube), a housing (outside the insulating solid core or tube) made of elastomer material (e.g., silicone or ethylene-propylene), and end fittings attached to the insulating core (or tube).

This standard covers the following three types of post insulators:

Composite post insulator with a ceramic core

Composite post insulator with a resin impregnated fibers solid core

Composite gas-filled hollow post insulator