GB 6450-1986
Replaced
T/EJCCCSE 278-2025
Active
Group standards
Technical Requirements for the Structure of Voltage Transformers, T/EJCCCSE 278-2025
T/EJCCCSE 278-2025 Voltage transformer structural technical requirements
Price:
$ 20.00
Basic Information
Standard Code:
T/EJCCCSE 278-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Transformers, reactors, and inductors
Publish Date:
2025-04-17
Implement Date:
2025-05-16
Scope
Main technical content: This document specifies the operating conditions, rated values, design and structure, test methods, inspection rules, packaging, transportation, storage, and factory documents for the structural technical requirements of voltage transformers. This document is applicable to voltage transformers with a voltage rating of 35 kV to 500 kV and a rated frequency of 50 Hz, which are used in electrical measurement instruments and electrical protection devices.
Development Information
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