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GB/Z 37551.300-2026Marine energy - Wave, tidal and other water current converters - Part 300: Power performance assessment of electricity producing river energy converters (English PDF)

海洋能波浪能、潮流能及其他水流能转换装置第300部分：河流能转换装置发电性能评估

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 4, 2026

Implementation date

January 4, 2026

Scope

GB/Z 37551.300-2026 is the English-translated version of 海洋能波浪能、潮流能及其他水流能转换装置第300部分：河流能转换装置发电性能评估.

GB/Z 37551.300-2026 is the Chinese standard "Marine energy - Wave, tidal and other water current converters - Part 300: Power performance assessment of electricity producing river energy converters".

Its scope clause reads: This document describes a systematic approach to evaluating the power generation performance of River Energy Conversion Units (RECs), and defines the rated power of the river energy conversion units.

The method for plotting the power curve of a river energy conversion device is described, along with the rated flow rate and velocity, and the requirements for reporting the results are specified.

This document is not applicable to. a) Provide a device for converting river energy into other forms of energy besides electricity, unless the energy form is river energy converted into electricity. intermediate stage; b) Resource assessment, which is separately specified in GB /Z 43465-2023; c) Scale down any measurement or result; d) Power quality; e) Other performance characteristics besides power characteristics and power generation performance; f) The combined effect of multiple river energy conversion device arrays.

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Document preview — GB/Z 37551.300-2026

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

Preface
Introduction
1.Scope
2 Normative References
3.Terms and Definitions
4.Symbols and Abbreviations
4.1 Symbol
4.2 Abbreviations
5 General Rules
6 REC Description
6.1 Overview
6.2 Operating Parameters
7.Demonstration Performance
7.1 Overview
7.2 Site and Testing Conditions
7.3 Measuring Instruments
7.4 Measurement Procedure
7.5 Demonstration performance of tidal river sections
8.Test performance
8.1 General Rules
8.2 Towing Pool Test
8.3 Push-pull test
8.4 Water Tank Test
9 Results
9.1 General Rules
9.3 Data Processing
9.4 Calculation of Power Curve
9.5 Mean velocity gradient profile
9.6 RMS pulsating flow rate
9.7 Capturing the direction of water flow at the centroid of the projected region
9.8 REC Overall Efficiency Calculation
10.Reporting Requirements
10.1 Overview
10.2 REC Report
10.3 REC Test Site Report
10.4 Power Grid and Load Report
10.5 Measurement Equipment Report
10.6 Measurement Procedure Report
10.7 Test Performance Report
10.8 Measurement Data Display
10.9 Power Curve Display
10.10 REC Overall Efficiency Showcase
10.11 Uncertainty Assumption
10.12 Deviation from the procedure in this document.
Appendix A (Informative) Technical Differences Between This Document and IEC TS62600-300.2019 and Their Reasons
Appendix B (Normative) Uncertainty Assessment
Appendix C (Informative) Power curves plotted using demonstration and experimental performance data.

1 Scope

This document describes a systematic approach to evaluating the power generation performance of River Energy Conversion Units (RECs), and defines the rated power of the river energy conversion units.

The method for plotting the power curve of a river energy conversion device is described, along with the rated flow rate and velocity, and the requirements for reporting the results are specified.

This document is not applicable to.

a) Provide a device for converting river energy into other forms of energy besides electricity, unless the energy form is river energy converted into electricity.

intermediate stage;

b) Resource assessment, which is separately specified in GB /Z 43465-2023;

c) Scale down any measurement or result;

d) Power quality;

e) Other performance characteristics besides power characteristics and power generation performance;

f) The combined effect of multiple river energy conversion device arrays.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

document.

GB/T 13850 Electrical measuring transmitters that convert AC electrical quantities into analog or digital signals (GB/T 13850-1998, idt)

IEC 62688.1992)

GB/T 18451.2-2021 Power Characteristic Test of Wind Turbine Generator Sets (IEC 61400-12-1.2017, IDT)

GB/T 20043-2005 Field Acceptance Test Procedure for Hydraulic Performance of Water Turbines, Storage Pumps and Pump-Turbines (IEC 60041.

1991, MOD)

GB/T 20840.2-2014 Instrument Transformers - Part 2.Supplementary Technical Requirements for Current Transformers (IEC 61869-2.2012)

MOD)

GB/T 20840.3-2013 Instrument Transformers - Part 3.Supplementary Technical Requirements for Electromagnetic Voltage Transformers (IEC 61869-3)

2011, MOD)

GB/T 27025-2019 General requirements for the competence of testing and calibration laboratories (ISO /IEC 17025.2017, IDT)

GB/T 27418-2017 Evaluation and expression of measurement uncertainty (ISO /IEC Guide 98-3.2008, MOD)

GB/T 37551-2019 Terminology for Ocean Energy Wave Energy, Tidal Energy and Other Water Flow Energy Conversion Devices (IEC TS62600-1.

2011, MOD)

GB /Z 40295-2021 Performance evaluation of wave energy conversion devices (IEC TS62600-100.2012, MOD)

GB/T 41342-2022 Field Test Method for Power Characteristics of Tidal Power Generation Devices

GB /Z 43465-2023 Assessment and Characterization of River Energy Resources (IEC TS62600-301.2019, MOD)

SL/T 257-2017 Waterway Observation Standard […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 41 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 62688:1992 · GB/T 20840.2-2014 · GB/T 20840.3-2013

Similar standards

GB/T 18482-2026|GB/T 28546-2026|GB/Z 37551.202-2026|GB/T 14478-2025|GB/T 22385-2025|GB/T 28572-2025

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