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GB/Z 40295-2021Power performance assessment of electricity producing wave energy converters (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

May 21, 2021

Implementation date

December 1, 2021

Scope

GB/Z 40295-2021 (Power performance assessment of electricity producing wave energy converters) is available as an English-translated PDF.

GB/Z 40295-2021 is the Chinese standard "Power performance assessment of electricity producing wave energy converters". Its scope clause reads: This document gives the power generation performance evaluation method of the wave energy conversion device in the power generation test at the test site.

This document is applicable to all marine areas (nearshore and offshore, deep water and shallow water) that convert wave energy into electricity, and the fixed method is flexible.

A wave energy conversion device that is anchored by sex or tension chain, fixed at the bottom or fixed at the shore.

This document does not apply to. a) Wave energy conversion devices that do not generate electricity; b) Test in a pool or under a small scale of ocean conditions, all measurement results need to be extrapolated to get the ratio of the full-scale results Example device; c) Resource assessment; d) Power quality; e) environmental issues; f) Power matrix pushed from one point to another.

This document describes the following system methods. ---Measure the power output of the wave energy conversion device under real sea conditions; ---The power matrix of the wave energy conversion device; ---The reporting convention framework for electric power output and wave energy flow input.

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Document preview — GB/Z 40295-2021

National Standard of the People's Republic of China

Classification
F 14

Issued by: State Administration for Market Regulation, China National Standardization Administration

Contents

  • Foreword
  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions, symbols
  • 3.1 Terms and definitions
  • 3.2 Symbol
  • 4 Working procedures
  • 5 Characteristic description of test field
  • 5.1 Overview
  • 5.2 Measurement
  • 5.3 Calculation of wave space transfer model
  • 5.4 Modeling the test area
  • 6 General requirements for measurement
  • 6.1 Overview
  • 6.2 Sampling duration
  • 6.3 Synchronization
  • 6.4 Data record
  • 7 Wave measurement and data collection
  • 7.1 Overview
  • 7.2 Wave measuring instrument and its calibration
  • 7.3 Instrument location
  • 7.4 Marine instrument data
  • 7.5 Calculation process of exported parameters
  • 8 Wave energy conversion device power measurement
  • 8.1 Output terminal of wave energy conversion device
  • 8.2 Power measurement point
  • 8.3 Power measurement
  • 8.4 Instruments and calibration
  • 9 Determination of power performance
  • 9.1 Overview
  • 9.2 Standardized power matrix structure
  • 9.3 Calculation of the power matrix
  • 10.1 Overview
  • 10.2 Standard method
  • 10.3 Replacement method
  • 10.4 Completeness of the capture length matrix of average annual power generation
  • Appendix A (informative) Structural changes of this document compared with IEC /T S62600-100.2012
  • Appendix B (informative) Technical differences between this document and IEC /T S62600-100.2012 and the reasons
  • Appendix C (Normative) Error analysis of wave space transfer model
  • Appendix D (Normative) Uncertainty Evaluation
  • Appendix E (Normative) Power loss compensation when the measuring point is on the shore
  • Appendix F (informative) Formation of the canonical power matrix
  • References

1 Scope

This document gives the power generation performance evaluation method of the wave energy conversion device in the power generation test at the test site.

This document is applicable to all marine areas (nearshore and offshore, deep water and shallow water) that convert wave energy into electricity, and the fixed method is flexible.

A wave energy conversion device that is anchored by sex or tension chain, fixed at the bottom or fixed at the shore.

This document does not apply to.

a) Wave energy conversion devices that do not generate electricity;

b) Test in a pool or under a small scale of ocean conditions, all measurement results need to be extrapolated to get the ratio of the full-scale results

Example device;

c) Resource assessment;

d) Power quality;

e) environmental issues;

f) Power matrix pushed from one point to another.

This document describes the following system methods.

---Measure the power output of the wave energy conversion device under real sea conditions;

---The power matrix of the wave energy conversion device;

---The reporting convention framework for electric power output and wave energy flow input.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

GB/T 7408 Data element and exchange format information exchange date and time representation (GB/T 7408-2005, ISO 8601.

2000, IDT)

GB/T 13850 The electrical measuring transmitter that converts AC power to analog or digital signal (GB/T 13850-1998, IEC 60688.

1992, IDT)

GB/T 17625 (all parts) Electromagnetic compatibility-Limits [IEC 61000-3 (all parts)]

GB/T 20840.1 Transformer Part 1.General technical requirements (GB/T 20840.1-2010, IEC 61869-1.2007,

MOD)

GB/T 20840.3 Transformer Part 3.Supplementary Technical Requirements for Electromagnetic Voltage Transformers (GB/T 20840.3-2013,

IEC 61869-3.2011, MOD)

GB/T 27418 Measurement Uncertainty Evaluation and Expression (GB/T 27418-2017, ISO /IEC Guide98-3.2008, MOD)

GB/T 37551 Ocean energy wave energy, tidal current energy and other current energy conversion device terms (GB/T 37551-2019,

IEC 62600-1.2011, MOD)

ISO /IEC Guide 98-1.2009 Uncertainty of Measurement Part 1.Overview of Uncertainty of Measurement (Uncertaintyof measurement-Part 1.Introductiontotheexpressionofuncertaintyinmeasurement)

EquiMar. Fair Evaluation Draft of Ocean Energy Conversion Device, Part 2, Chapter 1.A.1~1.A.5 (EquiMar. Protocols

GB/T 40103 | GB/T 51063 | NB/T 32012 | GB/Z 37551.300 | GB/T 45311 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 64 pages — is available in the English PDF.

Referenced standards

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