GB/T 45311-2025Tidal energy converter — Sea trial technical requirements (English PDF)
潮流能转换装置 海上试验技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 28, 2025
Implementation date
September 1, 2025
Scope
GB/T 45311-2025 is the English-translated version of 潮流能转换装置 海上试验技术要求.
GB/T 45311-2025 is the Chinese national standard covering proving a tidal energy converter at sea rather than in a tank — the trial outline with the site current conditions and the converter and support platform parameters, the instruments that measure current speed, voltage and power quality, the conventional and specific trials, the screening of the data set, the power curve and theoretical annual generation drawn from it, and the harmonic distortion the machine puts back into the grid. First edition, in force from 1 September 2025. Issued on 28 February 2025, it has been in force since 1 September 2025.
Document preview — GB/T 45311-2025
National Standard of the People's Republic of China
- ICS
- 27.140
- Classification
- F 14
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- PrefaceIII
- IntroductionIV
- 1 Scope1
- 2 Normative references1
- 3 Terms and Definitions1
- 4 Symbols and abbreviations3
- 4.1 Symbols3
- 4.2 Abbreviations3
- 5 General Requirements3
- 5.1 Test content3
- 5.2 Other requirements4
- 6 Outline of Sea Trials4
- 6.1 General requirements4
- 6.2 Marine Environmental Conditions4
- 6.3 Conversion device parameters5
- 6.4 Support platform parameters5
- 6.5 Sea trial plan5
- 6.6 Offshore test equipment5
- 6.7 Sea trial process5
- 6.8 Experimental data processing5
- 6.9 Safety and security measures5
- 7 Offshore test equipment6
- 7.1 General requirements6
- 7.2 Tidal current measuring instruments6
- 7.3 Current measuring instruments6
- 7.4 Voltage measuring instruments6
- 7.5 Power measurement instruments6
- 7.6 Power Quality Data Collector6
- 7.7 Other measuring instruments6
- 8 Sea trial process7
- 8.1 General7
- 8.1.1 Conventional sea trials7
- 8.1.2 Specific sea trials7
- 8.2 Data Collection7
- 8.3 Conventional sea trials7
- 8.3.1 Power characteristic index7
- 8.3.2 Power quality indicators10
- 8.4 Specific sea trials11
- 8.4.1 Operation status indicators11
- 8.4.2 Power quality indicators11
- 8.4.3 Comprehensive performance indicators11
- 8.4.4 Magnitude and direction of tidal currents11
- 9 Sea trial data processing11
- 9.1 Conventional sea trials11
- 9.1.1 Database Screening11
- 9.1.2 Power characteristic curve12
- 9.1.3 Theoretical annual power generation12
- 9.1.4 Power quality data12
- 9.2 Specific sea trials12
- 9.2.1 Operation status indicators12
- 9.2.2 Power quality indicators12
- 9.2.3 Comprehensive performance indicators12
- 10 Test Report12
- 10.1 General requirements12
- 10.2 Report Contents12
- 10.3 Annex 13 to the report14
- Appendix A (Informative) Sea trial report and main figures and tables format examples14
- A.1 Report Cover14
- A.2 Test indicators14
- A.3 Conversion device parameters15
- A.4 Support platform parameters16
- A.5 Power curve16
- A.6 Overall efficiency curve17
- A.7 Total harmonic distortion of current18
- A.8 Operation status indicators19
- A.9 Power quality indicators20
- A.10 Comprehensive performance indicators20
- Reference21
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 and coordinated by the National Technical Committee for Standardization of Ocean Energy Conversion Equipment (SAC/TC546).
This document was drafted by: Guodian United Power Technology Co., Ltd., Ocean University of China, National Marine Technology Center, Harbin Electric Power Research Institute Shanghai Ocean University, Hohai University, Shanghai Maritime University, Shanghai Surveying and Design Institute Co., Ltd., Harbin Electric Motor Factory Co., Ltd., PowerChina Huadong Engineering Survey and Design Institute Co., Ltd., Ningbo University, State Grid Shanghai Electric Power Company Electric Power Science Research Institute, Zhejiang University, and Dongfang Electric Corporation Dongfang Electric Corporation.
The main drafters of this document are: Jia Fayong, Wang Haifeng, Yuan Peng, Wang Gui, Wang Shiming, Zhang Jisheng, Wang Tianzhen, Su Libang, Du Wen, Hu Zongyue, Wang Xiaohang, Chai Borong, Chen Guohai, Wang Shujie, Wang Ji, Gu Hanbin, Song Jie, Gu Yajing, Wang Feng, Sang Pengfei, and Deng Doubo.
Introduction
After years of continuous exploration and pursuit, China's tidal energy power generation technology has basically matured, and is actively promoting the industrialization of tidal energy power generation. layout.
This document is compiled to meet the needs of the industrial development of tidal energy power generation and to standardize and guide the offshore trials of tidal energy conversion devices.
The offshore test includes conventional tests and specific tests.
The tests and tests of performance indicators verify the technical performance and power generation capacity of the tidal energy conversion device under actual sea conditions, and provide It provides data guarantee for performance optimization and benefit estimation, and provides technical support for the industrial development of tidal energy power generation.
Technical requirements for offshore testing of tidal energy conversion devices
1 Scope
This document clarifies the overall requirements for the offshore test of tidal energy conversion devices, and stipulates the contents, test scale and The relevant technical requirements include test plan, test instruments, test process, data processing, etc.
This document applies to the offshore tests of horizontal and vertical axis tidal energy conversion devices, and the offshore tests of other types of tidal energy conversion devices. For reference only.
2 Normative references
GB 3097
GB/T 15768-1995
GB 18421
GB/T 20840.1-2010
GB/T 20840.2-2014
GB/T 20840.3-2013
GB/T 33442-2016
GB/T 41342-2022
IEC 60688
IEC 62008
3 Terms and definitions
The following terms and definitions apply to this document.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.
Referenced standards
Normative references
- GB 18421Marine biological quality
- GB/T 33442-2016General technical specifications for instruments and equipments for ocean energy survey
- GB/T 41342-2022Site testing method for power performance of electricity producing tidal energy converters
GB 3097 · GB/T 15768-1995 · GB/T 20840.1-2010 · GB/T 20840.2-2014 · GB/T 20840.3-2013 · IEC 60688 · IEC 62008
Editions of GB/T 45311
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 45311-2025 | Tidal energy converter - Sea trial technical requirements | current edition | Current |
This page sells the current edition, GB/T 45311-2025. Earlier editions are listed for reference only.
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Related Standards
GB 18421-2001 — Marine biological quality
GB 30978-2014 — Minimum allowable values of the energy efficiency and energy efficiency grades for water dispensers
GB 30979-2014 — Assessment procedure for marine dumping of inert inorganic geological material
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