NB/T 20302-2014Specification of safety class low-voltage three-phase asynchronous motors for nuclear power plants (English PDF)
核电厂安全级低压三相异步电动机技术条件
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
June 29, 2014
Implementation date
November 1, 2014
Scope
NB/T 20302-2014 is the English-translated version of 核电厂安全级低压三相异步电动机技术条件.
Low-voltage three-phase asynchronous motors of safety class for nuclear power plants are the subject of NB/T 20302-2014, a recommended Chinese energy industry standard.
It covers the types of these motors, their basic parameters and dimensions, and the technical requirements they have to satisfy. It also sets out the inspection rules and the provisions for marking, packaging and warranty.
A long list of national standards is cited, among them GB 755-2008, GB/T 1032-2012, GB 1971-2006, GB 10068-2008, GB/T 12665-2008 and GB/T 22719.1-2008. The National Energy Administration issued it under Chinese classification F65 and international classification 27.120.20. Issued on 29 June 2014, it has applied since 1 November 2014.
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Document preview — NB/T 20302-2014
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 20302-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191-2008
GB 755-2008
GB/T 997-2008
GB/T 1032-2012
GB 1971-2006
GB/T 1993-1993
GB/T 2423.4-2008
GB/T 4772.1-1999
GB/T 4942.1-2006
GB 10068-2008
GB/T 10069.1-2006
GB/T 12665-2008
GB/T 12727-2002
GB 14711
GB/T 20138-2006
GB/T 22719.1-2008
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191-2008Graphical symbols marking for handling and storage of packages
- GB/T 997-2008Classification of types of construction, mounting arrangements and terminal box position (IM Code) for rotating electrical machines
- GB/T 1032-2012Test methods for three-phase asynchronous motors
- GB/T 1993-1993Cooling methods for rotating electrical machines
- GB/T 2423.4-2008Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
- GB/T 4772.1-1999Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
GB 755-2008 · GB 1971-2006 · GB/T 4942.1-2006 · GB 10068-2008 · GB 14711
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Related Standards
GB/T 10069.1-2006 — Measurement of airborne noise emitted by rotating electrical machines and the noise limits -- Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
GB/T 1993-1993 — Cooling methods for rotating electrical machines
GB/T 22719.1-2008 — Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 1: Test methods
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NB/T 20302-2014
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