GB/T 12944-2011 Active National standards

GB/T 12944-2011 High-voltage ceramic wall bushings

GB/T 12944-2011 High-voltage ceramic wall bushings

Publish Date: 2011-07-29 Implement Date: 2011-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12944-2011

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Insulator

ICS Name: Insulator

Publish Date: 2011-07-29

Implement Date: 2011-12-01

Pages: 24 pages

Scope

This standard specifies the technical requirements, test requirements, structural types, dimensions, and characteristics of high-voltage wall-penetrating porcelain bushings.
This standard applies to indoor and outdoor wall-penetrating porcelain bushings (hereinafter referred to as "bushings") used in power stations and substations of three-phase AC systems with a nominal voltage of 6 kV to 35 kV and a frequency of 15 Hz to 60 Hz.
The bushings are suitable for horizontal installation, and indoor bushings can be installed vertically.
This standard does not apply to bushings used under conditions that can reduce the performance of the bushings or when the surface of the indoor end of the bushings condenses with dew.

Development Information

Word Count: 43 Thousand words Pages: 24 pages

Replace the following standards

GB/T 12944.2-1991 High-voltage ceramic wall bushings Dimensions and characteristics

Referenced Standards

GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 2900.8-2009 Electrotechnical terminology—Insulators GB/T 4109-2008 Insulated bushings for alternating voltages above 1 000 V GB/T 5273-1985 Terminals for transformers,high-voltage apparatus and bushings GB/T 5585.1-2005 Copper or aluminium and its alloy bus bars for electrical purposes—Part 1:Copper and copper alloy bus bars GB/T 5585.2-2005 Copper or aluminium and its alloy bus bars for electrical purposes—Part 2:Aluminium and aluminium alloy bus bars GB/T 23752-2009 Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000V GB 311.1-1997 Insulation co-ordination for high voltage transmission and distribution equipment GB/T 311.1-2012 Insulation co-ordination—Part 1:Definitions,principles and rules JB/T 4307-2004 Adhesive cement for insulator bonding

Related Standards

GB/T 4585.1-1984 Abolished

GB/T 4585.1-1984 Artificial pollution tests on high-voltage insulators to be used on a.c.systems Salt-fog method

Publish Date: 1984-07-23

GB/T 775.1-1987 Replaced

GB/T 775.1-1987 Test method for insulators—Part 1:General test methods

Publish Date: 1987-01-23

GB/T 775.3-1987 Replaced

GB/T 775.3-1987 Test method for insulators—Part 3:Mechanical test methods

Publish Date: 1987-01-23

GB/T 7253-1987 Replaced

GB/T 7253-1987 The string insulator units of the cap and pin type—Dimensions and characteristics

Publish Date: 1987-02-09

GB 12744-1991 Replaced

GB 12744-1991 Outdoor antipollution-type solid-core post insulators of ceramic material

Publish Date: 1991-03-21

GB/T 4585.2-1991 Abolished

GB/T 4585.2-1991 Artificial pollution tests on high-voltage insulators to be used on a.c.systems solid-layer method

Publish Date: 1991-06-06