GB/T 14808-2001
Replaced
T/QGCML 4949-2025
Active
Group standards
T/QGCML 4949-2025 Digital Twin Operation and Maintenance Technical Specifications for Primary and Secondary Integrated Ring Network Boxes
T/QGCML 4949-2025 The specification for digital twinning operation and maintenance of one-two-fusion ring network box
Price:
$ 20.00
Basic Information
Standard Code:
T/QGCML 4949-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
High-voltage switchgear and controllers
Publish Date:
2025-06-25
Implement Date:
2025-07-10
Scope
Main technical content: This document specifies the technical requirements, test methods, maintenance and repair, safety requirements, and inspection rules for the digital twin operation and maintenance of primary-secondary integrated ring network boxes. This document is applicable to the design, development, implementation, and acceptance of digital twin operation and maintenance systems for primary-secondary integrated ring network boxes with a rated voltage of 12 kV and a frequency of 50 Hz. Ring network boxes of other voltage levels can be used for reference
Development Information
Related Standards
GB 1984-2003
Replaced
GB 1984-2003 High-voltage alternating-current circuit-breakers
GB 1985-2004
Replaced
GB 1985-2004 High-voltage alternating-current disconnectors and earthing switches
GB/T 4473-2008
Replaced
GB/T 4473-2008 Synthetic testing of High-voltage alternating current circuit-breakers
GB/T 22381-2008
Replaced
GB/T 22381-2008 Cable connections for gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above—Fluid-filled and extruded insulation power cables—Fluid-filled and dry type cable-terminations
GB/T 22382-2008
Replaced