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GB/T 45854-2025: Wind energy generation systems - Hydraulic system of wind turbines
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45854-2025 | English | 449 |
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Wind energy generation systems - Hydraulic system of wind turbines
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GB/T 45854-2025
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Basic data | Standard ID | GB/T 45854-2025 (GB/T45854-2025) | | Description (Translated English) | Wind energy generation systems - Hydraulic system of wind turbines | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F11 | | Classification of International Standard | 27.180 | | Word Count Estimation | 22,249 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2025-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 45854-2025: Wind energy generation systems - Hydraulic system of wind turbines---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/GBT45854-2025
ICS 27.180
CCSF11
National Standard of the People's Republic of China
Wind power generation system Wind turbine hydraulic system
Released on August 1, 2025
Implementation on November 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 and Definitions 2
4 Hydraulic system technical requirements 3
4.1 Basic Requirements 3
4.2 Design Requirements 3
4.3 Assembly requirements 4
5 Technical requirements for hydraulic components and assemblies 4
5.1 Motor pump unit 4
5.2 Fuel tank 5
5.3 Valve block (oil block) 5
5.4 Solenoid valve 5
5.5 Relief valve 5
5.6 Throttle valve 6
5.7 Check valve 6
5.8 Pressure reducing valve 6
5.9 Servo Directional Valve 6
5.10 Proportional directional valve 6
5.11 Pressure Sensor 7
5.12 Pressure switch 7
5.13 Seals 7
5.14 Accumulator 7
5.15 Rotary joint 7
5.16 Hydraulic oil 7
5.17 Junction Box 7
5.18 Hand pump 7
5.19 Hose assembly 8
5.20 Hard tube assembly 8
6 Performance Requirements 8
6.1 Appearance Requirements 8
6.2 Pressure Holding Performance 8
6.3 Voltage Withstand Performance 8
6.4 Anti-corrosion performance 8
6.5 Low temperature performance 8
6.6 Low pressure performance 8
6.7 Durability 9
6.8 Vibration resistance 9
6.9 Impact and Crash Performance 9
6.10 Anti-interference performance 9
7 Test Method 10
7.1 Appearance Inspection 10
7.2 Pressure holding test 10
7.3 Fuel tank air tightness test 10
7.4 Motor Test 10
7.5 Anti-corrosion performance test 10
7.6 Low temperature performance test 10
7.7 Low pressure test 11
7.8 Durability Test 11
7.9 Vibration resistance test 11
7.10 Shock and collision testing 11
7.11 Anti-interference performance test 12
7.12 Cleanliness test 12
7.13 Functional Testing 12
7.14 Other test requirements 13
8 Inspection Rules 13
8.1 Inspection categories 13
8.2 Factory Inspection 13
8.3 Type inspection 14
8.4 Decision Rules 15
9 Labeling, packaging, transportation and storage 15
9.1 Identification 15
9.2 Packaging 15
9.3 Transportation and storage 16
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 by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Wind Power Generation (SAC/TC50).
This document was drafted by. Yunda Energy Technology Group Co., Ltd., Shanghai Sanksais Hydraulics Co., Ltd., Mingyang Smart Energy
Yuan Group Co., Ltd., Qingdao Pangu Intelligent Manufacturing Co., Ltd., Harvey Hydraulic Technology (Shanghai) Co., Ltd., CRRC Zhuzhou Electric Machinery Co., Ltd.
Wind Power Division of China Railway Research Institute Co., Ltd., Shenzhen Kesten Hydraulic Equipment Co., Ltd., Beijing Jianheng Certification Center Co., Ltd., CRRC
Shandong Wind Power Co., Ltd., Hunan Xinglan Wind Power Co., Ltd., Guodian United Power Technology Co., Ltd., China Quality Certification Center Co., Ltd.,
Sinovel Wind Technology (Group) Co., Ltd., CSSC Offshore Wind Power Co., Ltd., and Shanghai Electric Wind Power Group Co., Ltd.
The main drafters of this document are. Zhao Haiyan, Luo Yongshui, Wang Xiaowei, Zhuang Jianyu, Song Zhao, Yang Zhenhua, Li Yong, Ouyang Hua, Wang Qian, Li Peng, Xiao Wang,
Liu Ming, Yuan Yize, Li Jianqiao, Guang Lin, Ding Jianjun, Zhang Kai, and Cheng Yuan.
Wind power generation system Wind turbine hydraulic system
1 Scope
This document specifies the technical requirements, performance requirements, test methods, inspection rules, as well as labeling, packaging,
Transportation and storage requirements, etc.
Note. The hydraulic system of wind turbine generator set is mainly used to provide power for various hydraulic devices including hydraulic brake, hydraulic wind wheel lock pin, hydraulic pitch control, etc.
Source of power.
This document applies to the design, selection, manufacturing, assembly and maintenance of hydraulic systems for wind turbines.
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 191 Pictorial symbols for packaging, storage and transportation
GB/T 699 High-quality carbon structural steel
GB/T 755 Ratings and performance of rotating electrical machines
GB/T 985.1 Recommended grooves for gas welding, arc welding, gas shielded welding and high energy beam welding
GB/T 1032 Test methods for three-phase asynchronous motors
GB/T 1591 Low alloy high strength structural steel
GB/T 2423.27 Environmental testing Part 2.Test methods Test methods and guidance. Temperature/low pressure or temperature/humidity/low
Comprehensive air pressure test
GB/T 2900.53 Electrical terminology Wind turbine generator system
GB/T 3191 Aluminium and aluminium alloy extruded bars
GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components
GB/T 4208 Degrees of protection provided by enclosures (IP code)
GB/T 8013.1 Anodic oxide films and organic polymer films on aluminium and aluminium alloys Part 1.Anodic oxide films
GB/T 8163 Seamless steel pipes for conveying fluids
GB/T 9969 General principles for instructions for use of industrial products
GB/T 11287 Electrical relays Part 21.Vibration, shock, impact and earthquake tests on measuring relays and protective devices
Part 1.Vibration Test (Sine)
GB/T 12706.2 Rated voltage 1kV (Um=1.2kV) to 35kV (Um=40.5kV) extruded insulated power cables and accessories
Part 2.Cables with rated voltages from 6 kV (Um = 7.2 kV) to 30 kV (Um = 36 kV)
GB/T 13306 Signage
GB/T 13384 General technical requirements for packaging of electromechanical products
GB/T 14039 Hydraulic transmission oil solid particle contamination level code
GB/T 14537 Shock and collision tests for measuring relays and protective devices
GB/T 15114 Aluminum alloy die castings
GB/T 17446 Fluid power systems and components vocabulary
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