NB/T 20081-2012Qualification Procedure for Class 1E Transformer Applied in Pressurized Water Reactor Nuclear Power Plants (English PDF)
压水堆核电厂安全级变压器鉴定规程
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
January 6, 2012
Implementation date
April 6, 2012
Scope
NB/T 20081-2012 is the English-translated version of 压水堆核电厂安全级变压器鉴定规程.
NB/T 20081-2012 covers the qualification of Class 1E transformers used in pressurized water reactor nuclear power plants, and it belongs to the recommended Chinese energy industry standards.
It sets the basic requirements for the qualification process, the qualification methods and the acceptance criteria for safety-class transformers, both under normal operating conditions and under seismic loads.
It is written for dry-type distribution transformers of the 6 kV to 10 kV class and does not apply to oil-immersed power transformers. It quotes GB 1094.1, GB 1094.5-2008, GB 1094.11-2007, GB/T 13625, GB 20052-2006, JB/T 10088-2004, NB/T 20040 and IEEE C57.12.56-1986. Issued on 6 January 2012, it has applied since 6 April 2012.
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Document preview — NB/T 20081-2012
National Standard of the People's Republic of China
- ICS
- 27.120.20
Issued by: National Energy Administration of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
NB/T 20081-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB 1094.1
GB 1094.5-2008
GB 1094.11-2007
GB/T 2900.1-1992
GB/T 2900.15-1997
GB/T 13625
GB 20052-2006
JB/T 10088-2004
JB/T 56009-1988
NB/T 20040
......
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 1094.1[GB/T 1094.1-2013, Including 2017XG1] Power transformers -- Part 1: General
- GB 1094.5-2008Power transformers -- Part 5: Ability to withstand short circuit
- GB/T 2900.1-1992Electrotechnical terminology - Fundamental terms
- GB/T 13625Seismic qualification of safety class electrical equipment for nuclear power plants
- GB 20052-2006Minimum allowable values of energy efficiency and energy efficiency grades for power transformers
- JB/T 10088-2004Sound level for 6 kV to 1000 kV power transformers
GB 1094.11-2007 · GB/T 2900.15-1997 · JB/T 56009-1988
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Related Standards
GB 1094.1-2013 — [GB/T 1094.1-2013, Including 2017XG1] Power transformers -- Part 1: General
GB 1094.5-2008 — Power transformers -- Part 5: Ability to withstand short circuit
GB/T 13625-2018 — Seismic qualification of safety class electrical equipment for nuclear power plants
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NB/T 20081-2012
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