GB/T 14824-2008
Replaced
T/ZZB 2975-2022
Active
Group standards
T/ZZB 2975-2022 110kV Transformer Neutral Point Package Protection Device
T/ZZB 2975-2022 110kV Transformer Neutral Point Package Protection Device
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 2975-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
High-voltage switchgear
ICS Name:
Integrated switch devices and controllers
Publish Date:
2022-12-08
Implement Date:
2022-12-31
Pages:
15 pages
Scope
Main technical content: This document specifies the terms and definitions of the neutral point complete protection device for 110 kV transformers, normal and special operating conditions, basic requirements, rated values, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments. This document is applicable to the neutral point effective grounding system of 110 kV graded insulation transformers in power plants and substations, and the neutral point overvoltage protection device (hereinafter referred to as the transformer neutral point complete protection device).
Development Information
Related Standards
GB/Z 25842.1-2010
Active
GB/Z 25842.1-2010 Low-voltage switchgear and controlgear—Overcurrent protective devices—Part 1:Application of short-circuit ratings
GB/T 18858.1-2012
Active
GB/T 18858.1-2012 Low-voltage switchgear and controlgear—Controller-device interface(CDI)—Part 1:General rules
GB/T 18858.2-2012
Active
GB/T 18858.2-2012 Low-Voltage switchgear and controlgear—Controller-device interfaces(CDI)—Part 2:Actuator sensor interface(AS-i)
GB/T 18858.3-2012
Active
GB/T 18858.3-2012 Low-voltage switchgear and controlgear—Controller-device interface(CDI)—Part 3:DeviceNet
GB/Z 25842.2-2012
Active