GB/T 7449-1987 Replaced National standards

GB/T 7449-1987 Guide to the lightning impulse and switching impulse testing of power transformers and reactors

Publish Date: 1987-03-16 Implement Date: 1987-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7449-1987

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Transformers, reactors, and inductors

Publish Date: 1987-03-16

Implement Date: 1987-10-01

Publisher: National Standards Bureau

Technical Committee: Shenyang Transformer Research Institute

Pages: 32 pages

Development Information

Drafting Persons:

Yu En Guang, He Yi Yan, Zhang Yi Ting, and Wang Zhao Ping

Word Count: 57 Thousand words Pages: 32 pages

Superseded by the following standards

GB/T 1094.4-2005 Power transformers—Part 4:Guide to the lightning impulse and switching impulse testing—Power transformers and reactors

Related Standards

GB 6450-1986 Replaced

GB 6450-1986 Dry-type power transformers

Publish Date: 1986-05-29

GB 13028-1991 Abolished

GB 13028-1991 Isolating transformers and safety isolating transformers Requirements

Publish Date: 1991-07-15

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

Publish Date: 1992-12-17

GB/T 14860-1993 Replaced

GB/T 14860-1993 Generic specification for transformers and inductors for use in telecommunication and electronic equipment

Publish Date: 1993-12-30

GB/T 15164-1994 Replaced

GB/T 15164-1994 Loading guide for oil-immersed power transformers

Publish Date: 1994-07-07

GB/T 15183-1994 Replaced

GB/T 15183-1994 Sectional specification for power transformers for use in electronic equipment for capability approval

Publish Date: 1994-08-02