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NB/T 25036-2014Technical specification of isolated-phase bus for power plant (English PDF)

发电厂离相封闭母线技术要求

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

June 29, 2014

Implementation date

November 1, 2014

Scope

NB/T 25036-2014 is the English-translated version of 发电厂离相封闭母线技术要求.

NB/T 25036-2014 is the Chinese energy industry standard covering isolated-phase bus for power plants. It sets the types, the technical parameters and requirements, the structural performance, the test methods and the packaging, transport and storage conditions for such busbars.

It is used for the selection, ordering and testing of the generator main circuit and branch circuits of thermal and nuclear power plants at 35 kV and below, for currents from 10 000 A to 40 000 A at 50 Hz or 60 Hz.

It quotes GB/T 156, GB 311.1-2012, GB/T 762, GB 4208, GB 50149, GB 50150, GB 50260 and DL/T 5222. Issued on 29 June 2014, it has applied since 1 November 2014.

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Document preview — NB/T 25036-2014

National Standard of the People's Republic of China

ICS: 27.120

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

1 Foreword

NB/T 25036-2014 was issued by National Energy Administration of the People's Republic of China on 29 June 2014 and has been in force since 1 November 2014.

2 Scope

This standard is the Chinese energy industry standard covering isolated-phase bus for power plants. It sets the types, the technical parameters and requirements, the structural performance, the test methods and the packaging, transport and storage conditions for such busbars. It is used for the selection, ordering and testing of the generator main circuit and branch circuits of thermal and nuclear power plants at 35 kV and below, for currents from 10 000 A to 40 000 A at 50 Hz or 60 Hz. It quotes GB/T 156, GB 311.1-2012, GB/T 762, GB 4208, GB 50149, GB 50150, GB 50260 and DL/T 5222.

3 Normative references

NB/T 25036-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 156

GB 311.1-2012 — Insulation co-ordination -- Part 1: Definitions, principles and rules

GB/T 762

GB/T 2900.19

GB/T 3190

GB 4208

GB/T 8349-2000 — Metal-enclosed bus

GB/T 11021

GB 50017

GB 50149

GB 50150

GB 50260

DL/T 5222

4 About this standard

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

English translation: about 15 pages

5 Classification and status

International classification (ICS): 27.120

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

GB 4208

Similar standards

NB/T 25035-2014|GB/T 28183-2011|GB/T 28427-2026|GB/T 45658-2025|GB/T 46959-2025|GB/T 32825-2024

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