GB 6450-1986
Replaced
DL/T 2557-2022
Active
Industry standards-Electricity
DL/T 2557-2022 Guidelines for Voltage Applied on AC Side and Partial Discharge Field Test of Converter Transformer Valve Side Electrical Endurance Test Result and Practical Procedures for Substitution
DL/T 2557-2022 Guidelines for Voltage Applied on AC Side and Partial Discharge Field Test of Converter Transformer Valve Side Electrical Endurance Test Result and Practical Procedures for Substitution
Price:
$ 30
Basic Information
Standard Code:
DL/T 2557-2022
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Power testing technology
ICS Name:
Transformers, reactors, and inductors
Publish Date:
2022-11-04
Implement Date:
2023-05-04
Scope
This document specifies the test methods and wiring, test conditions, test equipment, test procedures, test pass criteria, interference source identification and suppression requirements for the on-site tests of AC external insulation and partial discharge of converter transformers on the valve side. This document is applicable to the on-site tests of AC external insulation and partial discharge of converter transformers on the valve side conducted by using the series resonance test method.
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