NB/T 42093.1-2016Insulating systems of dry-type transformers - Test procedure for thermal evaluation - Part 1: Windings above 600 V (English PDF)
干式变压器绝缘系统 热评定试验规程 第1部分：600V以上绕组
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
December 5, 2016
Implementation date
May 1, 2017
Scope
NB/T 42093.1-2016 is the English-translated version of 干式变压器绝缘系统 热评定试验规程 第1部分：600V以上绕组.
NB/T 42093.1-2016 is the first part of a recommended Chinese energy industry standard on the insulating systems of dry-type transformers. It lays down the test procedure by which such an insulation system is evaluated thermally.
This part is confined to dry-type transformer insulation systems whose windings work above 600 V. It carries Chinese classification K15 and international classification 29.080.30, which covers transformers and reactors.
The documents it cites are GB/T 11026.4, ASTM E104, IEEE Std 4, IEEE Std C57.12.58, IEEE Std C57.12.60, IEEE Std C57.98 and IEEE Std 101. Issued on 5 December 2016, it has applied since 1 May 2017.
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Document preview — NB/T 42093.1-2016
National Standard of the People's Republic of China
- ICS
- 29.080.30
Issued by: National Energy Administration of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
NB/T 42093.1-2016 was issued by NEA on 5 December 2016 and has been in force since 1 May 2017.
It is one of 2 parts of the NB/T 42093 series.
2 Scope
This standard is the first part of a recommended Chinese energy industry standard on the insulating systems of dry-type transformers. It lays down the test procedure by which such an insulation system is evaluated thermally. This part is confined to dry-type transformer insulation systems whose windings work above 600 V. It carries Chinese classification K15 and international classification 29.080.30, which covers transformers and reactors. The documents it cites are GB/T 11026.4, ASTM E104, IEEE Std 4, IEEE Std C57.12.58, IEEE Std C57.12.60, IEEE Std C57.98 and IEEE Std 101.
3 Normative references
NB/T 42093.1-2016 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 11026.4
4 About this standard
Issued by: NEA
English translation: about 15 pages
5 Related standards
Other parts of this standard:
NB/T 42093.2-2018 — Part 2: Windings of 600 V and below
6 Classification and status
International classification (ICS): 29.080.30
Prefix NB/T: recommended standard.
......
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
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Related Standards
GB/T 11026.4-2012 — Electrical insulating materials -- Thermal endurance properties -- Part 4: Ageing ovens -- Single-chamber ovens
NB/T 42093.2-2018 — Insulating systems of dry-type transformers - Test procedure for thermal evaluation - Part 2: Windings of 600 V and below
NB/T 10086-2025 — Regulations for Compiling Energy Conservation Reports for Wind Farm Projects
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NB/T 42093.1-2016
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