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NB/T 25067-2017Specification of instrumentation and control for turbine-generator in nuclear power plant (English PDF)

核电厂汽轮发电机仪表和控制技术条件

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

February 10, 2017

Implementation date

July 1, 2017

Scope

NB/T 25067-2017 is the English-translated version of 核电厂汽轮发电机仪表和控制技术条件.

Instrumentation and control for the turbine-generator of a nuclear power plant is the subject of NB/T 25067-2017, a recommended Chinese energy industry standard.

It states the basic requirements for the instrumentation and control of the generator and of its hydrogen, oil and water systems, the basic requirements for the control equipment supplied as part of the set, and the requirements for testing and acceptance.

It is written for turbine-generator sets of 1000 MW class and above that use water-hydrogen-hydrogen cooling. The standard is classified P64 in China and 27.120.99 internationally.

It quotes GB 4208, GB 50058, DL/T 641, DL/T 5182 and IEC 61158. Issued on 10 February 2017, it has applied since 1 July 2017.

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Document preview — NB/T 25067-2017

National Standard of the People's Republic of China

ICS: 27.120.99

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

[Preview only]
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
4.1 Environmental conditions
4.2 Operating conditions during on-grid operation
4.3 Wind turbine conditions during off-grid power supply
4.4 Bearing current
4.5 Isolation insulation resistance
4.6 Performance requirements
4.7 Sensors
4.8 Electromagnetic compatibility requirements
4.9 Human-machine interaction
5 Test methods
5.1 Test requirements
5.2 Test principles and methods
6.1 Samples and interfaces
6.2 Technical requirements for test items
7 Inspection rules
7.1 Basic function test
7.2 Touch current test
7.3 Loading test
7.4 Braking test
7.5 Machine-side differential mode voltage dU/dt value
7.6 Temperature rise test
7.7 Converter module current sharing test
7.8 Filter capacitor switching current test
7.9 Filter capacitor operating current test
8 Product nameplate, marking, packaging, transportation and storage
9 Assembly alignment of weldments

1 Foreword

NB/T 25067-2017 was issued by National Energy Administration of the People's Republic of China on 10 February 2017 and has been in force since 1 July 2017.

The NB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

The document runs to 15 pages in English translation.

2 Scope Preview

Instrumentation and control for the turbine-generator of a nuclear power plant is the subject of NB/T 25067-2017, a recommended Chinese energy industry standard. It states the basic requirements for the instrumentation and control of the generator and of its hydrogen, oil and water systems, the basic requirements for the control equipment supplied as part of the set, and the requirements for testing and acceptance. It is written for turbine-generator sets of 1000 MW class and above that use water-hydrogen-hydrogen cooling. The standard is classified P64 in China and 27.120.99 internationally. It quotes GB 4208, GB 50058, DL/T 641, DL/T 5182 and IEC 61158.

NB/T 25067-2017 falls under ICS 27.120.99, in the field of energy and heat transfer engineering.

This catalogue holds 1,264 other NB/T standards in that field.

In this catalogue, NB/T standards carry edition years from 2009 to 2025.

3 Normative references

GB 4208

GB 50058

DL/T 641

DL/T 5182

IEC 61158

4 Where this standard sits

NB/T 25067-2017 is classified under ICS 27.120.99, in the field of energy and heat transfer engineering.

It cites 5 standards, listed in full above.

5 About this standard

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

English translation: about 15 pages

6 Related standards

Standards on related subjects:

GB/T 16895.36-2024 — Low-voltage electrical installations - Part 7-722: Requirements for special installations or locations - Supplies for electric vehicles

NB 31089-2016 — Code for design of fire protection for wind farms

NB/T 31073-2015 — Code for acceptance of occupational safety and health of wind power projects

NB/T 25069-2017 — Technical regulation for inverter of conventional island and balance of plant(BOP) in pressurized water reactor nuclear power plants

NB/T 25068-2017 — Technical specifications for hydrogen, oil and water systems of generators in nuclear power plants

NB/T 25066-2017 — Management requirement for maintenance of non-nuclear safety equipment in nuclear power plant

7 Classification and status

International classification (ICS): 27.120.99

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

IEC 61158

Similar standards

NB/T 25043.2-2019|NB/T 25100-2019|NB/T 25101-2019|NB/T 20259.6-2021|NB/T 25043.4-2016|NB/T 25044.4-2016

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