GB/T 22709-2008
Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric (English Version)

Standard No.

GB/T 22709-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 22709-2008

Scope

This standard specifies the residual strength test in the type test items in Chapter 18 of GB/T 1001.1-2003. This standard applies to disc suspension insulator string elements using tempered glass or porcelain material insulators.

GB/T 22709-2008 Referenced Document

• GB/T 1001.1-2003 Insulators for overhead lines with a nominal voltage above 1000V Part 1: Ceramic or glass insulator units for a.c.systems--Definitions,test methods and acceptance criteria
• GB/T 2900.8 Electrotechnical terminology.Insulators*， 2009-03-13 Update
• GB/T 4056-2008 Ball and socket coupling dimensions of string insulator units

GB/T 22709-2008 history

• 2008 GB/T 22709-2008 Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric