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GB/T 44934-2024Technical specification for flywheel energy storage unit of electrical energy storage (English PDF)

电力储能用飞轮储能单元技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2024

Implementation date

July 1, 2025

Scope

GB/T 44934-2024 is the English-translated version of 电力储能用飞轮储能单元技术规范.

GB/T 44934-2024 is the Chinese national standard covering the single flywheel unit that a storage plant is built up from — the model coding by which a unit is designated, the normal working environment, the technical requirements on the rotor, whether it is metal or fibre-reinforced composite, and on the rest of the unit, the test methods that demonstrate them, the inspection rules, and the marking, packaging, transport and storage that follow the unit out of the works. It works with the system-level standard GB/T 44933-2024, which covers the plant the units are assembled into. First edition, under the China Electricity Council. In force from 1 July 2025. Issued on 31 December 2024, it has been in force since 1 July 2025.

Document preview — GB/T 44934-2024

National Standard of the People's Republic of China

ICS: 27.180
Classification: F 19

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Encoding3
5 Normal working environment4
6 Technical Requirements5
7 Test methods9
8 Inspection rules17
9 Marking, packaging, transportation and storage19

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.

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/TC550).

This document was drafted by: Beijing Honghui International Energy Technology Development Co., Ltd., Institute of Engineering Thermophysics, Chinese Academy of Sciences, China Energy Hunan Electric Power Design Institute Co., Ltd., Candela (Shenzhen) New Energy Technology Co., Ltd., Pinggao Group Energy Storage Technology Co., Ltd.

Shenyang Micro-control Flywheel Technology Co., Ltd., Huachi Kinetic Energy (Beijing) Technology Co., Ltd., China Electric Power Research Institute Co., Ltd., Beiken New Energy Co., Ltd., Beijing Qingyuan Feikong Energy Technology Co., Ltd., China Power Construction Group Hebei Electric Power Survey and Design Institute Co., Ltd.

Company, China Energy Engineering Group Tianjin Electric Power Design Institute Co., Ltd., China Datang Group Science and Technology Research Institute Co., Ltd. East China Electric Power Experimental Research Institute.

The main drafters of this document are: Cui Yadong, Li Guangjun, Zhang Fan, Dai Xingjian, Li Shusheng, Liu Dong, Zhang Qingyuan, Liu Hongchao, Zhu Baohong, Ren Xiaoyang, Su Sen, Dong Zhou, Liu Zhe, Hu Dongxu, Peng Long, Tu Weichao, Meng Qinghong, Yang Cenyu, Bai Jiexue, Lv Yi, Zhang Liuli, Wu Xiaokang, Xie Hongsheng, Li Xuebin, Xu Tingting, Li Xiang, Wang Shaofeng, Wei Shaoshuai, Hu Yuepeng, Li Wei.

Technical specification for flywheel energy storage unit for electric energy storage

1 Scope

This document specifies the coding, normal working environment, technical requirements, inspection rules, marking, packaging, transportation and other aspects of flywheel energy storage units for power energy storage.

The requirements for transportation and storage are described, and the corresponding test methods are described.

This document applies to the design, manufacture, testing, operation, maintenance and overhaul of flywheel energy storage units for electrical energy storage.

2 Normative references

GB/T 191

GB/T 755

GB/T 3077

GB/T 4857

GB/T 5398

GB/T 6402

GB/T 7251.1-2023

GB 12348-2008

GB/T 16471

GB/T 20113

GB/T 20626.1

GB/T 20840.2

GB/T 20840.3

3 Terms and definitions

The terms and definitions defined in DL/T 2528 and the following apply to this document.

3.1 [Source. DL/T 2528-2022, 4.4.1.1, modified]

A physical energy storage form that uses a flywheel as an energy storage carrier and realizes the storage and release of electrical energy through the mutual conversion of kinetic energy and electrical energy.

3.2 Flywheel

A rotating body composed of metal or fiber-reinforced composite materials used to store kinetic energy.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 26 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 755 · GB/T 4857 · GB/T 7251.1-2023 · GB 12348-2008 · GB/T 20113 · GB/T 20840.2 · GB/T 20840.3

Cited by

Editions of GB/T 44934

Edition	Title	Revision	Status
GB/T 44934-2024	Technical specification for flywheel energy storage unit of electrical energy storage	current edition	Current

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