GB 6450-1986
Replaced
T/EJCCCSE 274-2025
Active
Group standards
The technical specifications of T/EJCCCSE 274-2025 for combined transformers with intelligent protection functions
T/EJCCCSE 274-2025 Intelligent Protection Function Combo Transformer Technical Specification
Price:
$ 20.00
Basic Information
Standard Code:
T/EJCCCSE 274-2025
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 working principle and composition, rated values, technical requirements, test methods, inspection rules, transportation, storage, installation, operation, and maintenance rules of intelligent protection function combined transformers (hereinafter referred to as "combined transformers"). This document is applicable to the design, production, and use of combined transformers with intelligent protection functions.
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