NB/T 20227-2013Qualification of safety class switchgear assemblies of nuclear power plants (English PDF)
核电厂安全级成套开关设备鉴定
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
June 8, 2013
Implementation date
October 1, 2013
Scope
NB/T 20227-2013 is the English-translated version of 核电厂安全级成套开关设备鉴定.
NB/T 20227-2013 is the recommended Chinese energy industry standard covering the qualification of switchgear assemblies for class 1E applications in nuclear power plants, that is, for the safety class electrical supply of the plant.
It addresses how such assemblies are qualified for their duty rather than how they are designed or manufactured.
The requirements are anchored in a long list of cited documents, including GB 1984-2003, GB 3906-2006, GB 7251.1-2005, GB 7251.2-2006, GB/T 10233-2005, GB/T 11022-2011, GB/T 11026.1-2003, GB/T 12727-2002, GB/T 13625-1992 and the GB 14048 series.
It falls under the Chinese classification F60 and the international class 27.120.10. Issued on 8 June 2013, it has applied since 1 October 2013.
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Document preview — NB/T 20227-2013
National Standard of the People's Republic of China
- ICS
- 27.120.10
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 20227-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB 1984-2003
GB 3906-2006
GB 7251.1-2005
GB 7251.2-2006
GB/T 10233-2005
GB/T 11022-2011
GB/T 11026.1-2003
GB/T 12727-2002
GB/T 13625-1992
GB 14048.1-2006
GB 14048.2-2008
GB 14048.3-2008
GB 14048.4-2010
GB 14048.5-2008
GB 14048.6-2008
GB/T 1
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB 1984-2003High-voltage alternating-current circuit-breakers
- GB/T 10233-2005Basic testing method for low-voltage switchgear and controlgear assemblies
- GB/T 11022-2011Common specifications for high-voltage alternating-current switchgear and controlgear standards
- GB/T 11026.1-2003Electrical insulating materials -- Thermal endurance properties -- Part 1: Ageing procedures and evaluation of test results
- GB/T 12727-2002Qualification of electrical equipment important to safety for nuclear power plants
- GB/T 13625-1992Seismic qualification of safety class electrical equipment for nuclear power plants
GB 3906-2006 · GB 7251.1-2005 · GB 7251.2-2006 · GB 14048.1-2006 · GB 14048.2-2008 · GB 14048.3-2008 · GB 14048.4-2010 · GB 14048.5-2008 · GB 14048.6-2008 · GB/T 1
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