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NB/T 42020-2013Specification and Technical Requirements for 750kV and 1000kV Oil-immersed Power Transformers (English PDF)

750kV和1000kV级油浸式电力变压器技术参数和要求

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

November 28, 2013

Implementation date

April 1, 2014

Scope

NB/T 42020-2013 is the English-translated version of 750kV和1000kV级油浸式电力变压器技术参数和要求.

The Chinese energy industry standard NB/T 42020-2013 gives the specification and technical requirements for single-phase oil-immersed power transformers of the 750 kV and 1000 kV voltage classes.

It defines the terms used for these transformers and then sets their conditions of use, performance parameters and technical requirements, followed by the test items, the test methods and the requirements each test has to meet, along with labelling.

It addresses the largest units on the Chinese transmission network and is classified K41, under 29.180 for transformers and reactors. The transformer series GB 1094.1, GB 1094.2, GB 1094.3, GB 1094.5, GB/T 1094.7 and GB/T 1094.10 is cited, as are GB 1208, GB/T 2900.15, GB/T 4109, GB/T 11604 and GB/T 26218.2. Issued on 28 November 2013, it has applied since 1 April 2014.

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Document preview — NB/T 42020-2013

National Standard of the People's Republic of China

ICS: 29.180

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

Foreword
Scope
Normative references
About this standard
Classification and status

1 Foreword

NB/T 42020-2013 was issued by NEA on 28 November 2013 and has been in force since 1 April 2014.

2 Scope

The Chinese energy industry standard NB/T 42020-2013 gives the specification and technical requirements for single-phase oil-immersed power transformers of the 750 kV and 1000 kV voltage classes. It defines the terms used for these transformers and then sets their conditions of use, performance parameters and technical requirements, followed by the test items, the test methods and the requirements each test has to meet, along with labelling. It addresses the largest units on the Chinese transmission network and is classified K41, under 29.180 for transformers and reactors. The transformer series GB 1094.1, GB 1094.2, GB 1094.3, GB 1094.5, GB/T 1094.7 and GB/T 1094.10 is cited, as are GB 1208, GB/T 2900.15, GB/T 4109, GB/T 11604 and GB/T 26218.2. Issued on 28 November 2013, it has applied since 1 April 2014.

3 Normative references

NB/T 42020-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB 1094.1

GB 1094.2

GB 1094.3

GB 1094.5

GB/T 1094.7

GB/T 1094.10

GB 1208

GB/T 2900.15

GB/T 4109

GB/T 11604

GB/T 26218.2

4 About this standard

Issued by: NEA

English translation: about 16 pages

5 Classification and status

International classification (ICS): 29.180

Prefix NB/T: recommended standard.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

Referenced standards

Normative references

GB 1094.3 · GB 1208 · GB/T 2900.15

Similar standards

NB/T 42019-2013|NB/T 25075-2017|GB/T 6451-2023|GB/Z 34935-2017|GB/T 24844-2018|NB/T 11307.2-2024

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