GB 7228-1987
Abolished
YD/T 2555-2021
Active
Industry standards-Postal and telecommunications
YD/T 2555-2021 Communication 240V/336V DC power supply system distribution equipment
YD/T 2555-2021 Communication 240V/336V DC power supply system distribution equipment
Basic Information
Standard Code:
YD/T 2555-2021
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Communications power supply equipment
ICS Name:
Rectifiers, converters, and regulated power supplies
Publish Date:
2021-03-05
Implement Date:
2021-04-01
Scope
This standard applies to the distribution equipment of the 240V/336V DC power supply system for telecommunications.
Development Information
Replace the following standards
Related Standards
GB/T 13422-1992
Replaced
GB/T 13422-1992 Power semiconductor converters Electrical test methods
GB/T 3859.1-1993
Replaced
GB/T 3859.1-1993 Semiconductor convertors—Specification of basic requirements
GB/T 3859.2-1993
Replaced
GB/T 3859.2-1993 Semiconductor convertors—Application guide
GB/T 3859.3-1993
Replaced
GB/T 3859.3-1993 Semiconductor convertors—Transformers and reactors
GB/T 16859-1997
Active