GB 6450-1986
Replaced
GB/T 20838-2007
Active
National standards
GB/T 20838-2007 Specification and technical requirements of oil-immersed convertor transformers for HVDC applications
GB/T 20838-2007 Specification and technical requirements of oil-immersed convertor transformers for HVDC applications
Basic Information
Standard Code:
GB/T 20838-2007
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Transformer
ICS Name:
Transformers, reactors, and inductors
Publish Date:
2007-01-16
Implement Date:
2007-08-01
Pages:
11 pages
Scope
This standard specifies the performance parameters, technical requirements, test items, marking, packaging, transportation, and storage of oil-immersed converter transformers (hereinafter referred to as transformers) used in DC transmission with a voltage level of ±500 kV and below. In Appendix A, some examples of the relevant performance parameters of specific products are given. This standard applies to single-phase oil-immersed converter transformers used in DC transmission with a voltage level of ±500 kV and below.
Development Information
Referenced Standards
GB/T 18494.2-2007 Convertor transformers—Part 2:Transformers for HVDC applications
IEC 60296:2003
GB 1094.1-1996 Power transformers—Part 1:General
GB/T 1094.1-2013 Power transformers—Part 1:General
GB 1094.2-1996 Power transformers—Part 2:Temperature rise
GB/T 1094.2-2013 Power transformers—Part 2:Temperature rise for liquid-immersed transformers
GB/T 1094.3-2003 Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air
GB/T 1094.3-2017 Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air
GB 1094.5-2003 Power transformers—Part 5:Ability to withstand short circuit
GB/T 1094.5-2008 Power transformers—Part 5:Ability to withstand short circuit
Related Standards
GB/T 7449-1987
Replaced
GB/T 7449-1987 Guide to the lightning impulse and switching impulse testing of power transformers and reactors
GB 13028-1991
Abolished
GB 13028-1991 Isolating transformers and safety isolating transformers Requirements
GB/T 14006-1992
Active
GB/T 14006-1992 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment—Part 1:Transformers and inductors using YEI-1 laminations
GB/T 14860-1993
Replaced
GB/T 14860-1993 Generic specification for transformers and inductors for use in telecommunication and electronic equipment
GB/T 15164-1994
Replaced