prEN IEC 62896:2023

Hybrid insulators for a.c. and d.c. for high-voltage applications greater than 1000V AC and 1500 V DC - Definitions, test methods and acceptance criteria

General information
Base Documents
prEN IEC 62896:2023; IEC 62896 ED2 (36/554/CDV) (EQV)
Directives or regulations

Standard history

This document applies to hybrid insulators for AC and DC applications greater than 1000 V AC and 1500 V DC consisting of a load-bearing insulating solid or hollow core consisting of ceramic or glass, a housing (defined geometry, outside the insulating core) made of polymeric material and end fittings permanently attached to the insulating core.
Hybrid insulators covered by this document are intended for use as suspension/tension long rod and cap and pin type insulators, line post insulators, station post insulators and hollow core insulators for apparatus.
The object of this document is to:
• define the terms used;
• prescribe test methods;
• prescribe acceptance criteria.
Silicone or other functional coatings (CIGRE Technical Brochure No. 478), booster sheds, shed extenders and rain deflectors are not within the scope of this document. CIGRE B2.69 published two Technical Brochures, TB 837 and TB 838, in June 2021 with the scope of practical applications and collection of experiences for anti-pollution coatings for insulators
This document does not include requirements dealing with the choice of insulators for specific operating conditions.
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Standard monitoring