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 measured asses.pdf

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1、Marine energy Wave, tidal and other water current convertersPart 102: Wave energy converter power performance assessment at a second location using measured assessment dataPD IEC/TS 62600-102:2016BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis P

2、ublished Document is the UK implementation of IEC/TS62600-102:2016. The UK participation in its preparation was entrusted to TechnicalCommittee PEL/114, Marine energy - Wave, tidal and other water currentconverters.A list of organizations represented on this committee can be obtained onrequest to it

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

4、ot confer immunity fromlegal obligations.This Published Document was published under the authority of theStandards Policy and Strategy Committee on 31 August 2016.Amendments/corrigenda issued since publicationDate Text affectedPUBLISHED DOCUMENTPD IEC/TS 62600-102:2016IEC TS 62600-102 Edition 1.0 20

5、16-08 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 978-2-8322-3530-0 Registered trademark

6、 of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colourinsidePD IEC/TS 62600-102:2016 2 IEC TS 62600-102:2016 IEC 2016 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative references. 7 3 Symbols and units

7、 . 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 resource at Location 1 and Loc

8、ation 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 Location 2 13 11.1 Evaluat

9、e 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 conditions at Location 2 .

10、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 resource data . 15 15 Ass

11、essment 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 resource at Location 1 19 A.5 As

12、sess 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 capture length matrix at

13、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 capture length matrix to c

14、over 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 . 27 B.2 Absorbed power 27

15、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 . 31 D.4 Wave spectrum . 32

16、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 Energy Flux Matrix, Hantsholm,

17、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 power matrix, adapted from 2

18、 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 the prototype of Wavestar

19、 . 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 conditions, absorbed and electri

20、cal 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 second location using measu

21、red 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 all questions concerning st

22、andardization 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 Publication(s)”). Their prepar

23、ation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely wi

24、th the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant sub

25、jects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technica

26、l content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent

27、possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide con

28、formity 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 shall attach to IEC or its dir

29、ectors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arisi

30、ng 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 publication. 9) Attention is d

31、rawn 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. In exceptional circumstance

32、s, 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 other reason, there is the

33、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 specification, has been pr

34、epared 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 114/179/DTS 114/187A/RVC Full inf

35、ormation 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, published under the general tit

36、le 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 the data related to the speci

37、fic 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 the cover page of this publ

38、ication 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 technical specification, IEC TS 6

39、2600-102, 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 during field deployment of the W

40、EC 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 of additional information

41、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 methodology for arriving at the m

42、ean 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 the wave resource at Locatio

43、n 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 to the WEC configuration be

44、tween 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 technical specification pr

45、ovides: 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, and e) requirements for re

46、porting. 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 collected and experience with wa

47、ve 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 on investment Device develo

48、pers 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 format PD IEC/TS 62600-102:201

49、6IEC 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 (hereinafter Location 2) bas