GB/T 31238-2014 Active National standards

GB/T 31238-2014 1 000 kV Current transformers technical specifications

Publish Date: 2014-09-30 Implement Date: 2015-04-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31238-2014

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Special-purpose electrical appliances

ICS Name: Electric devices

Publish Date: 2014-09-30

Implement Date: 2015-04-01

Pages: 8 pages

Scope

This standard specifies the requirements for the use conditions, rated values, technical performance requirements, structural requirements, and testing of electromagnetic current transformers for GIS and bushings in 1,000 kV AC systems.
This standard applies to current transformers installed in 1,000 kV GIS and bushings, which are used for electrical measurement instruments and relay protection devices.

Development Information

Word Count: 9 Thousand words Pages: 8 pages

Referenced Standards

GB/Z 24836-2009 Specification for 1100 kV gas-insulated metal-enclosed switchgear GB/Z 24843-2009 Technical specification of 1 000 kV single phase oil-immersed auto-transformer GB 1208-1997 Current transformers GB 1208-2006 Current transformers GB/T 2900.15-1997 Electrotechnical terminology Transformer, instrument transformer, voltage regulator and reactor GB/T 2900.50-1998 Electrotechnical terminology Generation, transmission and distribution of electricity—General GB/T 2900.50-2008 Electrotechnical terminology—Generation,transmission and distribution of electricity—General GB/T 2900.57-2002 Electrotechnical terminology—Generation, transmission and distribution of electricity—Operation GB/T 2900.57-2008 Electrotechnical terminology—Generation,transmission and distribution of electricity—Operation GB/T 11021-2007 Electrical insulation—Thermal classification GB/T 11021-2014 Electrical insulation—Thermal evaluation and designation GB 16847-1997 Requirements for protective current transformers for transient performance

Related Standards

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