GB/T 17211-1998
Replaced
NB/T 42121-2017
Active
Industry standards-Energy
NB/T 42121-2017 The low voltage ride-through technology specification for auxiliary equipment in thermal power units
NB/T 42121-2017 The low voltage ride-through technology specification for auxiliary equipment in thermal power units
Price:
$ 30
Basic Information
Standard Code:
NB/T 42121-2017
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Relay protection and automatic devices
ICS Name:
The transmission grid and the distribution grid
Publish Date:
2017-08-02
Implement Date:
2017-12-01
Pages:
12 pages
Scope
This standard applies to Class I auxiliary frequency converters of thermal power units with a capacity of 300 MW or more, or those connected to power grids with a voltage of 220 kV or more. Other auxiliary frequency converters of thermal power units can refer to this standard for implementation.
Development Information
Related Standards
GB/T 2900.52-2000
Replaced
GB/T 2900.52-2000 Electrotechnical terminology-Generation, transmission and distribution of electricity—Generation
GB/Z 24835-2009
Replaced
GB/Z 24835-2009 Regulation of operation and maintenance for 1 000 kV gas-insulated metal-enclosed switchgear
GB/Z 24842-2009
Replaced
GB/Z 24842-2009 Overvoltage and insulation coordination of 1000 kV UHV AC transmission project
GB/Z 24843-2009
Replaced
GB/Z 24843-2009 Technical specification of 1 000 kV single phase oil-immersed auto-transformer
GB/Z 24846-2009
Replaced