NEN-EN-IEC 61109
Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1000 V - Definitions, test methods and acceptance criteria
Organization: | NEN |
Publication Date: | 1 November 2008 |
Status: | active |
Page Count: | 70 |
ICS Code (Insulators): | 29.080.10 |
scope:
This International Standard applies to composite suspension/tension insulators consisting of a load-bearing cylindrical insulating solid core consisting of fibres - usually glass - in a resinbased matrix, a housing (outside the insulating core) made of polymeric material and end fittings permanently attached to the insulating core. Composite insulators covered by this standard are intended for use as suspension/tension line insulators, but it should be noted that these insulators can occasionally be subjected to compression or bending, for example when used as phase-spacers. This standard can be applied in part to hybrid composite insulators where the core is made of a homogeneous material (porcelain, resin), see Clause 8. The object of this standard is to - define the terms used, - prescribe test methods, - prescribe acceptance criteria. This standard does not include requirements dealing with the choice of insulators for specific operating conditions.