GB/T 20319-2017 in English
VALIDWind turbine generator systems. Specification for acceptance
- Issued on:2017-07-12
- Implemented on:2018-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
$359.00
《GB/T 20319-2017风力发电机组 验收规范》由TC50（全国风力发电标准化技术委员会）归口，主管部门为中国机械工业联合会。
Introduction
Core changes in the standard revision
| 2006 version | Main improvements of the 2017 version | Technical significance |
|---|---|---|
| No term definition | Added 3.1-3.7 terminology system | Unified industry technical language |
| Simple acceptance conditions | Refine 4.1-4.4 acceptance preconditions | Improve acceptance systematization |
| 240h trial operation | Added 120h extension mechanism | More in line with actual operating conditions |
Key acceptance technical indicators
Availability: the annual average value of the whole site ≥95% (Clause 7.2.6)
Noise limit: ≤110dB(A) at 1/3 rated power
Analysis of implementation points
Pre-acceptance process
- Document review (Clause 4.1)
- Subsystem inspection (Appendix A.2)
- 240h trial operation (Clause 6.1.3)
- Material handover confirmation
Final acceptance focus
| Inspection items | Based on standards | Qualification standards |
|---|---|---|
| Drive chain vibration | VDI 3834 | No abnormal spectrum |
| Gearbox oil | IEC 61400-4 | Metal content meets the standard |
| High-strength bolts | Appendix E | Preload error ≤5% |
Typical application case
During the pre-acceptance of a 2MW unit, it was found that the vibration value of the gearbox exceeded the standard. According to the standard requirements:
- Instrument accuracy was verified according to Clause 4.3
- Spectrum analysis was performed with reference to VDI 3834
- Finally confirmed to be misalignment, passed the acceptance after adjustment
Analysis of Standard Evolution
The 2017 version highlights three major technological advances:
- Digital acceptance: Newly added nacelle anemometer method (GB/T 33225)
- Full life cycle management: Increased quality assurance period assessment requirements
- Internationalization: References 8 items of IEC 61400 series standards
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
GB/Z 183-2026 in English
Wind energy generation systems—Requirements for marking and lighting of wind turbines
2026-07-30 -
GB/T 44681-2024 in English
Wind energy generation systems—Technical specifications for post-evaluation and retrofitting of wind farms
2024-09-29 -
GB/T 40082-2021 in English
Wind turbines—Drive train ground test specification
2021-04-30 -
GB/T 30966.1-2022 in English
Wind energy generation systems—Communications for monitoring and control of wind power plants—Part 1:Overall description of principles and models
2022-10-12 -
GB/T 35204-2017 in English
Wind turbines―Safety manuals
2017-12-29 -
GB/Z 25425-2010 in English
Declaration of apparent sound power level and tonality values for the wind turbine
2010-11-10
