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GB/T 44933-2024: Technical specification for flywheel energy storage system used for electrical energy storage system
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GB/T 44933-2024: Technical specification for flywheel energy storage system used for electrical energy storage system

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National Standard of the People's Republic of China ICS 27.180CCS F 19 Technical Specifications for Flywheel Energy Storage Systems for Power Energy Storage Technical specification for flywheel energy storage system used for electrical energy storage system 2024-12-31 Release 2025-07-01 Implementation 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 General Requirements 2 5 System Architecture ...3 6 Normal operating environment conditions ...3 7 System Function Requirements...3 8 System performance requirements 5 9 Flywheel energy storage auxiliary system...7 10 System test method 7 Appendix A (Informative) Typical architecture of flywheel energy storage system for power energy storage 27 Appendix B (Informative) Communication topology between flywheel energy storage management system and various level equipment ...28

Foreword

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 is required. 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 by the China Electricity Council. This document is under the jurisdiction of the National Electric Energy Storage Standardization Technical Committee (SAC/TC 550). This document was drafted by. China Energy Engineering Group Hunan Electric Power Design Institute Co., Ltd., Chinese Academy of Sciences Engineering Thermophysics Research Institute Institute, Shenyang Micro-control Flywheel Technology Co., Ltd., Beijing Honghui International Energy Technology Development Co., Ltd., Candela (Shenzhen) New Energy Technology Co., Ltd., Huachi Kinetic Energy (Beijing) Technology Co., Ltd., China Electric Power Research Institute Co., Ltd., Beacon New Energy Co., Ltd., Pinggao Group Energy Storage Technology Co., Ltd., Beijing Qingyuan Feikong Energy Technology Co., Ltd., Micro-control Flywheel Technology (Shenzhen) Co., Ltd., China Power Construction Group Hebei Electric Power Survey and Design Institute Co., Ltd. The main drafters of this document are. Liu Hongchao, Li Yili, Xu Tingting, Dai Xingjian, Huai Bochao, Wang Jueheng, Lü Yi, Cui Yadong, Su Sen, Liu Dong, Zhang Xixi, Qin Lijun, Tian Gangling, Zhang Yan, Dong Zhou, Li Wei, Yang Cenyu, Xie Bin, Liu Zhe, Peng Long, Wei Lu, Zhang Qingyuan, Zhang Xing, Tu Weichao, Yang Dequan, Li Shusheng, Xu Chong, Li Xiang, Wei Shaoshuai, Kong Lin. Technical Specifications for Flywheel Energy Storage Systems for Power Energy Storage

1 Scope

This document specifies the overall requirements, system architecture, normal operation, and operation of flywheel energy storage systems for power energy storage (hereinafter referred to as "flywheel energy storage systems"). The operating environment conditions, system functional requirements, system performance requirements and technical requirements of the flywheel energy storage auxiliary system are described, and the system test methods are described. This document is applicable to the on-site test, inspection, operation and maintenance of flywheel energy storage systems with a rated discharge power of.200 kW and above and connected to the AC grid. Maintenance and repair.

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 12325 Power quality supply voltage deviation GB/T 12326 Power quality voltage fluctuation and flicker GB/T 14549 Power quality - Harmonics in public power grids GB/T 15543 Power quality three-phase voltage unbalance GB/T 15945 Power quality - Power system frequency deviation GB/T 20626.1 Special environmental conditions for plateau electrical and electronic products Part 1.General technical requirements GB/T 20840.2 Transformers Part 2.Supplementary technical requirements for current transformers GB/T 20840.3 Transformers Part 3.Supplementary technical requirements for electromagnetic voltage transformers GB/T 24337 Power quality - Interharmonics in public power grids GB/T 29481 Electrical Safety Signs GB/T 36548-2024 Test procedures for the connection of electrochemical energy storage power stations to the power grid GB/T 44934 Technical specification for flywheel energy storage units for power energy storage DL/T 634.5104 Telecontrol equipment and systems Part 5-104.Transmission protocol using the IEC 60870-1 standard transmission protocol set 5-101 Network Access DL/T 860 (all parts) Power automation communication networks and systems DL/T 2528-2022 Basic terminology of power energy storage

3 Terms and definitions

The terms and definitions defined in DL/T 2528-2022, GB/T 44934 and the following apply to this document. 3.1 Flywheel energy storage system It consists of one or more flywheel energy storage units, flywheel energy storage converters, flywheel energy storage auxiliary systems and flywheel energy storage management systems. A combination of equipment that converts kinetic energy into electrical energy. [Source. DL/T 2528-2022, 4.4.1.2, modified] ...