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NB/T 41001-2011Product Quality Classification for Capacitor Voltage Transformers (English PDF)

电容式电压互感器产品质量分等

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

July 1, 2011

Implementation date

October 1, 2011

Scope

NB/T 41001-2011 is the English-translated version of 电容式电压互感器产品质量分等.

It applies to capacitor voltage transformers used in AC power systems and connected between line and earth to provide a single-phase low voltage for measuring, protection and control devices.

GB/T 20840.5-2013, GB/T 19749-2005 and JB/T 7613 are quoted in its text, and the subject is classified under K42. It took the place of the earlier machinery industry standard JB/T 56212-1999. Issued on 1 July 2011, it has applied since 1 October 2011.

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Document preview — NB/T 41001-2011

National Standard of the People's Republic of China

Replacing: JB/T 56212-1999

Issued by: National Energy Administration of the People's Republic of China

1 Scope
2 Normative references

1 Foreword

NB/T 41001-2011 was issued by NEA on 1 July 2011 and has been in force since 1 October 2011.

2 Scope

The quality grading of capacitor voltage transformers is the subject of NB/T 41001-2011, a recommended standard of the Chinese energy industry. It specifies the quality requirements for these transformers and the methods by which they are inspected and evaluated. It applies to capacitor voltage transformers used in AC power systems and connected between line and earth to provide a single-phase low voltage for measuring, protection and control devices. GB/T 20840.5-2013, GB/T 19749-2005 and JB/T 7613 are quoted in its text, and the subject is classified under K42. It took the place of the earlier machinery industry standard JB/T 56212-1999.

3 Normative references

NB/T 41001-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 20840.5-2013 — Instrument transformers -- Part 5: Additional requirements for capacitor voltage transformers

GB/T 19749-2005 — Coupling capacitors and capacitor dividers -- Part 1: General rules

JB/T 7613

4 About this standard

Issued by: NEA

English translation: about 15 pages

5 Classification and status

Prefix NB/T: recommended standard.

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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

Similar standards

GB/T 24841-2018|NB/T 10814-2021|NB/T 10819-2021|NB/T 10481-2020|NB/T 10482-2020|NB/T 42100-2016

Editions of NB/T 41001

Edition	Title	Revision	Status
NB/T 41001-2011	Product Quality Classification for Capacitor Voltage Transformers	current edition	Current
JB/T 56212-1999	Product Quality Classification for Capacitor Voltage Transformers	previous edition	Superseded

This page sells the current edition, NB/T 41001-2011. Earlier editions are listed for reference only.

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