GB 6450-1986
Replaced
DL/T 2840-2024
Active
Industry standards-Electricity
DL/T 2840-2024 Guidelines for Grounding Current Test of Transformer Core on Site
DL/T 2840-2024 Guidelines for Grounding Current Test of Transformer Core on Site
Basic Information
Standard Code:
DL/T 2840-2024
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Power transmission and transformation equipment
ICS Name:
Transformers, reactors, and inductors
Publish Date:
2024-12-25
Implement Date:
2025-06-25
Scope
This document specifies the test wiring, test instruments, test techniques, test data processing, and result determination for on-site testing of the grounding current in the transformer core. This document is applicable to on-site testing of the grounding current in the transformer core and clamping pieces of transformers with grounding lead-out wires. Reactors can be used for reference.
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