BS PD IEC TS 62600-102-2016 Marine energy Wave tidal and other water current converters Wave energy converter power performance assessment at a second location using measu.pdf

1、Marine energy Wave, tidal and other water current converters Part 102: Wave energy converter power performance assessment at a second location using measured assessment data PD IEC/TS 62600-102:2016 BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National foreword T

2、his Published Document is the UK implementation of IEC/TS 62600-102:2016. The UK participation in its preparation was entrusted to Technical Committee PEL/114, Marine energy - Wave, tidal and other water current converters. A list of organizations represented on this committee can be obtained on req

3、uest to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016 ISBN 978 0 580 90937 5 ICS 27.140 Compliance with a Briti

4、sh Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31 August 2016. Amendments/corrigenda issued since publication Date Text affected PUBLISHED DOCUMENT PD IEC/TS 62600-102:2016 IEC TS

5、62600-102 Edition 1.0 2016-08 TECHNICAL SPECIFICATION Marine energy Wave, tidal and other water current converters Part 102: Wave energy converter power performance assessment at a second location using measured assessment data INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 27.140 ISBN 978-2-8322-353

6、0-0 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside PD IEC/TS 62600-102:2016 2 IEC TS 62600-102:2016 IEC 2016 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative referen

7、ces. 7 3 Symbols and units . 8 4 Sequence of work 9 5 Limitations of this technical specification 10 6 Description of wave energy conversion (WEC) technology 10 7 Assess and characterize wave resource related to Location 1 and Location 2 . 10 7.1 General . 10 7.2 Ambient condition . 10 7.3 Wave reso

8、urce at Location 1 and Location 2 10 8 WEC power capture data at Location 1 . 10 9 WEC model validation 11 9.1 General . 11 9.2 Bin selection . 11 9.3 Error per bin 11 9.4 MAEP error . 11 9.5 Accounting for PTO losses 12 10 Modifications to the WEC . 12 11 Calculate capture length matrix for use at

9、Location 2 13 11.1 Evaluate appropriate dimensionality of the capture length matrix at Location 2 13 11.2 Calculate information for each bin of the capture length matrix . 13 12 Quality assurance for cells based on measurements at Location 1 14 13 Complement capture length matrix to cover range of c

10、onditions at Location 2 . 14 13.1 Capture length matrix complementation requirement 14 13.2 Interpolation or extrapolation of the capture length matrix 14 13.3 Numerical model . 14 13.4 Use of physical model . 14 14 Calculate MAEP at Location 2 using complemented capture length matrix and Location 2

11、 resource data . 15 15 Assessment of confidence . 15 Annex A (informative) Example analysis . 17 A.1 General . 17 A.2 Description of the WEC technology (Clause 6) . 17 A.3 Assess and characterize wave resource related to Location 1 and Location 2 (Clause 7) 18 A.4 Assess and characterize wave resour

12、ce at Location 1 19 A.5 Assess and characterize wave resource at Location 2 20 A.6 WEC power capture data at Location 1 (Clause 8) . 21 A.7 WEC model validation (Clause 9) 22 A.8 Calculate capture length matrix for use at Location 2 (Clause 11) . 24 A.8.1 Assess the appropriate dimensionality of the

13、 capture length matrix at Location 2 (11.1) 24 A.8.2 Calculate information for each bin of the capture length matrix (11.2) 24 PD IEC/TS 62600-102:2016IEC TS 62600-102:2016 IEC 2016 3 A.9 Perform quality assurance on capture length matrix for application at Location 2 (Clause 12) 24 A.10 Complement

14、capture length matrix to cover range of conditions at Location 2 (Clause 13) . 25 A.11 Calculate MAEP at Location 2 using complemented capture length matrix and Location 2 resource data (Clause 14) 26 A.12 Assessment of confidence . 26 Annex B (informative) Power take off efficiency 27 B.1 General .

15、 27 B.2 Absorbed power 27 B.3 Power take off efficiency . 27 Annex C (informative) Example calculation of PTO efficiency 29 Annex D (informative) Sources of uncertainty for MAEP at Location 2 . 31 D.1 Comparisons between Location 1 and Location 2 . 31 D.2 Bathymetry and water depth 31 D.3 Current .

16、31 D.4 Wave spectrum . 32 D.5 Wave direction and short-crested waves 32 D.6 Wave converter modifications 32 Bibliography . 33 Figure A.1 The Wavestar prototype (diameter of each float is 5 m) 17 Figure A.2 Map showing Location 1 Hanstholm and Location 2 Fjatring . 18 Figure A.3 Location 1 Wave Energ

17、y Flux Matrix, Hantsholm, Denmark (based on measured data from Wavestar prototype Feb 2012 Jan 2013) . 20 Figure A.4 Location 2 Wave Energy Flux Matrix, Buoy 2031 (Fjaltring, Denmark) 21 Figure A.5 Wavestar prototype capture length matrix Location 1 . 22 Figure A.6 Numerically modelled electrical po

18、wer matrix, adapted from 2 23 Figure A.7 Model validation indicating percent difference in capture length between observations and model (model-observations) . 24 Figure A.8 Wavestar prototype capture length matrix for Loaction 2. Fjaltring, Denmark . 25 Figure B.1 Overview of the PTO system used in

19、 the prototype of Wavestar . 27 Figure C.1 PTO efficiency matrix for the Wavestar prototype at Location 1, Hantsholm, Denmark 30 Table 1 Symbols and units . 8 Table A.1 Locations 1 and 2, basic information . 18 Table A.2 Table of MAEP contributions. 26 Table C.1 Example records including wave condit

20、ions, absorbed and electrical power and resultant PTO efficiency . 29 PD IEC/TS 62600-102:2016 4 IEC TS 62600-102:2016 IEC 2016 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MARINE ENERGY WAVE, TIDAL AND OTHER WATER CURRENT CONVERTERS Part 102: Wave energy converter power performance assessment at a s

21、econd location using measured assessment data FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on a

22、ll questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publ

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28、fication bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability sha

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30、al fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this pub

31、lication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. The main task of IEC technical committees is to prepare International Standards.

32、In exceptional circumstances, a technical committee may propose the publication of a technical specification when the required support cannot be obtained for the publication of an International Standard, despite repeated efforts, or the subject is still under technical development or where, for any

33、other reason, there is the future but no immediate possibility of an agreement on an International Standard. Technical specifications are subject to review within three years of publication to decide whether they can be transformed into International Standards. IEC TS 62600-102, which is a technical

34、 specification, has been prepared by IEC technical committee 114: Marine energy Wave, tidal and other water current converters. PD IEC/TS 62600-102:2016IEC TS 62600-102:2016 IEC 2016 5 The text of this technical specification is based on the following documents: Enquiry draft Report on voting 114/17

35、9/DTS 114/187A/RVC Full information on the voting for the approval of this technical specification can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 62600 series, publ

36、ished under the general title Marine energy Wave, tidal and other water current converters, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in th

37、e data related to the specific publication. At this date, the publication will be transformed into an International standard, reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. IMPORTANT The colour inside logo on

38、the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. PD IEC/TS 62600-102:2016 6 IEC TS 62600-102:2016 IEC 2016 INTRODUCTION This techni

39、cal specification, IEC TS 62600-102, provides a uniform methodology for estimating and reporting the performance of a Wave Energy Converter (WEC) at a prospective new deployment location. The performance estimation methodology is based primarily on observations and measurement results gathered durin

40、g field deployment of the WEC at a primary location (as per IEC TS 62600-100) with different metocean conditions compared to the prospective new location. Further, it is possible that the WEC design will incorporate changes to accommodate the new site conditions. To assess the performance, inclusion

41、 of additional information based on validated numerical and physical models is specified. In this technical specification the completed field deployment location is referred to as “Location 1” and the prospective deployment location is referred to as “Location 2.” The specification provides a method

42、ology for arriving at the mean annual energy production (MAEP) for the WEC at Location 2. Other Technical Specifications in this series (IEC TS 62600) are drawn upon to provide the wave resource and WEC performance information needed to enable this analysis. The methodology involves: assessment of t

43、he wave resource at Location 1 and Location 2, characterization of the WEC performance at Location 1, assessment and compensation for the impact of discrepancies in the metocean conditions between Location 1 and Location 2 on the WEC performance characterization, assessment of the impact of changes

44、to the WEC configuration between Location 1 and Location 2 on the WEC performance characterization, complementing the performance observations from Location 1 with fit, experimental or numerically modelled data, estimating the MAEP based on the composite performance characterization of the WEC. This

45、 technical specification provides: a) guidance on the use of observations from Location 1, b) methods for assessing and reporting the validity of numerical and physical models, c) limits on the permissible changes to the WEC between Locations 1 and 2, d) limits on the use of data fitting techniques,

46、 and e) requirements for reporting. The wave power industry is at an early stage of development. There is little practical experience with field-scale WECs deployment. Because of this, the present document is designated as a technical specification and will be subject to change as more data is colle

47、cted and experience with wave energy converters develops. This Technical Specification, when used in conjunction with other Technical Specifications in this series (IEC TS 62600), is intended for several types of users, including, but not limited to, the following: Project developers income, return

48、on investment Device developers performance of device Utilities/investors reliability/predictability of supply, return on investment Policy-makers/Planners usage of seascape, optimisation of resource, power supply issues Consultants to produce resource data/due diligence compatible/readable data for

49、mat PD IEC/TS 62600-102:2016IEC TS 62600-102:2016 IEC 2016 7 MARINE ENERGY WAVE, TIDAL AND OTHER WATER CURRENT CONVERTERS Part 102: Wave energy converter power performance assessment at a second location using measured assessment data 1 Scope Wave Energy Converters (WEC) need to be designed to operate efficiently at different locations. Systematic methods should be used to evaluate the power performance of a WEC at a second location (her