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Power fluctuation adaptability testing methods of water electrolysis system for hydrogen production
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Basic data
| Standard ID | GB/T 46104-2025 (GB/T46104-2025) |
| Description (Translated English) | Power fluctuation adaptability testing methods of water electrolysis system for hydrogen production |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | F19 |
| Classification of International Standard | 27.010 |
| Word Count Estimation | 34,332 |
| Date of Issue | 2025-08-29 |
| Date of Implementation | 2025-12-01 |
| Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 46104-2025: Power fluctuation adaptability testing methods of water electrolysis system for hydrogen production
---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/GBT46104-2025
ICS 27.010
CCSF19
National Standard of the People's Republic of China
Test method for power fluctuation adaptability of water electrolysis hydrogen production system
hydrogen production
Implementation on December 1, 2025
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms, definitions and symbols 1
3.1 Terms and Definitions 1
3.2 Symbol 3
4 Test Conditions 6
4.1 Testing Boundaries 6
4.2 Test Conditions 7
5 Reagents 7
6 Test Preparation 7
6.1 Data Check 7
6.2 System Status Check 7
6.3 Data Collection Plan 7
6.4 Time Synchronization 7
7 Measuring instruments 7
7.1 General requirements 7
7.2 Measuring instruments and installation locations 8
7.3 Test instrument accuracy 10
8 Test items and test indicators 11
9 Test Method 12
9.1 Startup Test 12
9.2 Rated steady-state performance test 15
9.3 Multi-operating steady-state performance test 22
9.4 Variable Power Dynamic Performance Test 24
9.5 Shutdown Test 25
10 Test Report 26
Appendix A (Informative) Thermal Neutral Voltage 27
Reference 29
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.
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 was proposed and coordinated by the National Hydrogen Energy Standardization Technical Committee (SAC/TC309).
This document was drafted by. Tongji University, China National Institute of Standardization, Tsinghua Sichuan Energy Internet Research Institute, Xi'an Longi Hydrogen Energy Technology Co., Ltd.
Co., Ltd., Tianjin Continental Hydrogen Equipment Co., Ltd., CSSC (Handan) Perri Hydrogen Energy Technology Co., Ltd., Sinopec New Star Petroleum Co., Ltd.
Limited Liability Company, State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research Institute, State Power Investment Group Science and Technology Research Institute Co., Ltd., China
Electric Power Research Institute Co., Ltd., Zhejiang Haozhen Hydrogen Energy Co., Ltd., Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Guangdong Power Grid Co., Ltd.
Guangzhou Power Supply Bureau, Beijing Electric Power Equipment Factory Co., Ltd., Guoneng Hydrogen Technology (Beijing) Co., Ltd., Tsinghua University, Zhejiang
University.
The main drafters of this document are. Zhang Cunman, Li Wenying, Yang Yanmei, Xu Wei, Ma Jun, Xiu Kai, Jin Liming, Liu Min, Liu Wei, Luan Hexin, Lü Hong,
Yu Hongmei, Wan Yanming, Xu Guizhi, Lin Jin, Zhou Luli, Pan Jun, Chen Yan, Gao Shu, Li Ruixia, Jiao Le, Song Jie, Liu Yun, Li Hang, Gao Danhui, Li Yang,
Wang Jiepeng, Ma Junbo, and Zhang Jiahang.
Test method for power fluctuation adaptability of water electrolysis hydrogen production system
Warning. This document does not cover all possible safety issues. Users are responsible for taking appropriate safety, health and protection measures and ensuring
Comply with the conditions stipulated by relevant national laws and regulations.
1 Scope
This document specifies the test conditions, reagents, test preparation, measuring instruments, test items, and other requirements for the power fluctuation adaptability test of the water electrolysis hydrogen production system.
Targets and test indicators, test methods and test reports.
This document is applicable to the power wave of alkaline water electrolysis hydrogen production system and proton exchange membrane water electrolysis hydrogen production system with a hydrogen production capacity of 5m3/h and above.
The power fluctuation adaptability test of the anion exchange membrane water electrolysis hydrogen production system shall be carried out in accordance with the above.
Note. Unless otherwise specified, the standard state in this document is temperature 0°C, pressure 101.325 kPa (absolute pressure), and the gas volumes in this document are all standard
Volume in state.
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 19774 Technical requirements for water electrolysis hydrogen production systems
GB/T 24499 Terminology of hydrogen, hydrogen energy and hydrogen energy systems
GB/T 37562-2019 Technical requirements for pressurized water electrolysis hydrogen production systems
3 Terms, definitions and symbols
3.1 Terms and Definitions
The terms and definitions defined in GB/T 19774, GB/T 24499, GB/T 37562-2019 and the following apply to this document.
3.1.1
The electrolysis water hydrogen production system is within the maximum power and minimum power range allowed by the manufacturer.
The ability to adapt to changes in state (loading/unloading) performance.
3.1.2
The operating status of the water electrolysis hydrogen production system at the rated pressure, rated temperature and rated current specified by the manufacturer.
3.1.3
coldsteadystate
The main process equipment of the water electrolysis hydrogen production system, such as the power conversion unit, electrolyzer, gas-liquid separation system, etc., are operated without any power input.
state.
Note. The electrolyte temperature is consistent with the ambient temperature, the instruments, valves, and pumps are powered on, the control and safety-related auxiliary facilities are in operation, and the hydrogen production system is in operation.
The preparatory work before startup has been completed. The preparatory work before startup includes replacement, purging, water replenishment, alkali solution/pure water circulation, instrument preheating, etc.
...
