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Database: 189759 (26 Oct 2025)
NB/T 20040-2021 English PDF
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NB/T 20040-2021
: Testing rules of active voltage sag curing device up to 10 kV
Status: Valid
NB/T 20040: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
NB/T 20040-2021
English
599
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5 days [Need to translate]
Testing rules of active voltage sag curing device up to 10 kV
Valid
NB/T 20040-2021
NB/T 20040-2011
English
999
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5 days [Need to translate]
Seismic qualification test rules of safety classified electrical equipment for nuclear power plants
Obsolete
NB/T 20040-2011
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Basic data
Standard ID
NB/T 20040-2021 (NB/T20040-2021)
Description (Translated English)
Testing rules of active voltage sag curing device up to 10 kV
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
K04
Classification of International Standard
27.120.20
Word Count Estimation
26,231
Date of Issue
2021-04-26
Date of Implementation
2021-07-26
Older Standard (superseded by this standard)
NB/T 20040-2011
Regulation (derived from)
National Energy Administration Announcement No. 3 of 2021
Issuing agency(ies)
National Energy Administration
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