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GB/T 15473-2025: Qualification of class 1E static battery chargers, inverters, and uninterruptible power supply systems for nuclear power plants
Status: Valid GB/T 15473: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 15473-2025 | English | 759 |
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Qualification of class 1E static battery chargers, inverters, and uninterruptible power supply systems for nuclear power plants
| Valid |
GB/T 15473-2025
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| GB/T 15473-2011 | English | 579 |
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Qualification of class 1E static battery chargers and inverters for nuclear power plants
| Valid |
GB/T 15473-2011
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| GB/T 15473-1995 | English | 759 |
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Qualification of Class 1E static battery chargers and inverters for nuclear power plants
| Obsolete |
GB/T 15473-1995
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Basic data | Standard ID | GB/T 15473-2025 (GB/T15473-2025) | | Description (Translated English) | Qualification of class 1E static battery chargers, inverters, and uninterruptible power supply systems for nuclear power plants | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F83 | | Classification of International Standard | 27.120.20 | | Word Count Estimation | 38,392 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB/T 15473-2011 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 15473-2025: Qualification of class 1E static battery chargers, inverters, and uninterruptible power supply systems for nuclear power plants
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT15473-2025
ICS 27.120.20
CCSF83
National Standard of the People's Republic of China
Replaces GB/T 15473-2011
Safety-grade stationary battery chargers for nuclear power plants,
Qualification of inverters and uninterruptible power supply systems
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical Specifications 2
5 Identification 4
6 File 13
Appendix A (Informative) Stress Analysis 15
Appendix B (Informative) Electronic components without significant aging mechanisms 18
Appendix C (Informative) Non-electronic components without significant aging mechanisms 20
Appendix D (Informative) Discussion of Failure Mechanisms in Electromechanical Devices 21
Appendix E (Informative) Connector Operation Cycle 22
Appendix F (Informative) Considerations for Design Basis Transient Voltage 23
Reference 31
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 15473-2011 "Quality Appraisal of Safety-Grade Static Charging Devices and Inverter Devices for Nuclear Power Plants" and
Compared with GB/T 15473-2011, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The definition of the term "inverter" has been changed (see 3.3, 3.6 of the.2011 edition), and the terms "uninterruptible power supply system" and "mitigation circuit" have been added.
"Environment" and "surge suppressor" and their definitions (see 3.8, 3.9, 3.10);
b) Added the content of software analysis (see 5.2.3.2);
c) The aging requirements for docking plugs have been changed (see 5.3.3.5, 5.3.3.3.5 of the.2011 edition);
d) Added the content of transient voltage test (see 5.4.2.6).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Nuclear Instruments (SAC/TC30).
This document was drafted by. Shanghai Nuclear Engineering Research and Design Institute Co., Ltd., Nuclear and Radiation Safety Center of the Ministry of Ecology and Environment, Kehua Data
Limited by Share Ltd.
The main drafters of this document are. Sun Hao, Cai Weichong, Huang Dongyan, Ni Dan, Lu Yanyun, Duanmu Yuxiang, Wei Yuning, Wang Sicong, Liu Xin, Jiang Songfang,
Li Shixin, Du Wei, Zhou Ziyu, Ming Hao, and Kang Xinyue.
The previous versions of this document and the documents it replaces are as follows.
--- First published as GB/T 15473-1995 in.1995 and first revised in.2011;
---This is the second revision.
Safety-grade stationary battery chargers for nuclear power plants,
Qualification of inverters and uninterruptible power supply systems
1 Scope
This document specifies safety-rated stationary battery chargers, inverters, and uninterruptible power supplies for installation in the mild environment of nuclear power plants.
Technical specifications, identification and documentation requirements for UPS systems.
This document applies to safety-rated stationary battery chargers, inverters, and uninterruptible power supplies installed in the mild environment of nuclear power plants.
Identification of UPS systems and associated auxiliary equipment.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 12727-2023 Identification of electrical equipment important to safety in nuclear power plants
GB/T 13286 Criteria for the independence of safety-related electrical equipment and circuits in nuclear power plants
GB/T 13625 Seismic evaluation of safety-grade electrical equipment in nuclear power plants
GB/T 13629 Applicable criteria for programmable digital equipment in safety systems of nuclear power plants
NB/T 20420 Identification of safety-grade cables and connectors for nuclear power plants
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Burn-in
A reliability testing method that screens out early failures by pre-operating equipment or components.
3.2
battery chargerbatterycharger
Converts AC power into DC power, charges the battery and keeps it fully charged, and provides power to DC loads during normal operation.
equipment.
3.3
Inverter
A device that converts direct current into alternating current.
NOTE. This includes auxiliary equipment such as transfer switches, AC power transformers and regulators, input rectifiers (other than battery chargers) and isolation devices.
(such as isolation diodes).
3.4
stress analysis
An electrical and thermodynamic design analysis of a component for use in a specific circuit and within a specific range of operating conditions.
NOTE. Mechanical cycle evaluations are performed on applicable components to determine the effect on component life.
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