YD/T 1969-2020 Active Industry standards-Postal and telecommunications

YD/T 1969-2020 Intelligent new air energy-saving system for communication towers

Publish Date: 2020-12-09 Implement Date: 2021-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 30

Out of stock

Basic Information

Standard Code: YD/T 1969-2020

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: 2020-12-09

Implement Date: 2021-01-01

Scope

This standard applies to intelligent fresh air energy-saving systems used in communication bureaus (stations).

Development Information

Related Standards

GB 7228-1987 Abolished

GB 7228-1987 Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry

Publish Date: 1987-02-03

GB/T 13422-1992 Replaced

GB/T 13422-1992 Power semiconductor converters Electrical test methods

Publish Date: 1992-04-13

GB/T 3859.1-1993 Replaced

GB/T 3859.1-1993 Semiconductor convertors—Specification of basic requirements

Publish Date: 1993-12-27

GB/T 3859.2-1993 Replaced

GB/T 3859.2-1993 Semiconductor convertors—Application guide

Publish Date: 1993-12-27

GB/T 3859.3-1993 Replaced

GB/T 3859.3-1993 Semiconductor convertors—Transformers and reactors

Publish Date: 1993-12-27

GB/T 16859-1997 Active

GB/T 16859-1997 Terminal markings for valve device stacks and assemblies and for power convertor equipment

Publish Date: 1997-06-11