Composite hollow core station post insulators with a.c. voltage greater than 1 000 V and d.c. voltage greater than 1 500 V
Definitions, test methods and acceptance criteria
(IEC 62772:2023); German version EN IEC 62772:2023 Class/Status:
Standard,
valid
Released: 2024-08
VDE Art. No.: 0600506
This document applies to composite hollow core station post insulators consisting of a load-bearing insulating tube (core) made of resin impregnated fibres, insulating filler material (solid, liquid, gaseous – pressurized or unpressurized), a housing (outside the insulating tube) made of polymeric material (for example silicone or ethylene-propylene) and fixing devices at the ends of the insulating tube. Composite hollow core station post insulators as defined in this draft are intended for general use in substations in both, outdoor and indoor environments, operating with a rated AC voltage greater than 1 000 V and a frequency not greater than 100 Hz or for use in direct current systems with a rated voltage greater than 1 500 V. The object of this draft is: - to define the terms used; - to prescribe test methods; - to prescribe acceptance criteria.
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