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NB/T 20425-2017 English PDF

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NB/T 20425-2017: Methodology for performance of internal flooding probabilistic safety assessment for nuclear power plants
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PDF similar to NB/T 20425-2017


Standard similar to NB/T 20425-2017

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Basic data

Standard ID NB/T 20425-2017 (NB/T20425-2017)
Description (Translated English) Methodology for performance of internal flooding probabilistic safety assessment for nuclear power plants
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard F65
Classification of International Standard 27.120.20
Word Count Estimation 26,293
Date of Issue 2017-02-10
Date of Implementation 2017-07-01
Quoted Standard NB/T 20037.1; NB/T 20037.3-2012
Regulation (derived from) State Energy Bureau Announcement No. 3 of 2017
Issuing agency(ies) National Energy Administration
Summary This standard specifies the development method for the first-level probability safety assessment (PSA) of flooding in nuclear power plants, and provides the analysis process and analysis points of the internal flooding primary PSA. This standard is applicable to the internal water flooding primary PSA of the pressurized water reactor nuclear power plant. It is also applicable to the internal flooding primary PSA in the shutdown condition after considering the characteristics of the shutdown conditions and making appropriate corrections. Other reactor types of nuclear power plants can be referred to.

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