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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 assessment data, 2016
- 30326892-VOR.pdf [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Symbols and units
- 4 Sequence of work
- 5 Limitations of this technical specification
- 6 Description of wave energy conversion (WEC) technology
- 7 Assess and characterize wave resource related to Location 1 and Location 2 [Go to Page]
- 7.1 General
- 7.2 Ambient condition
- 7.3 Wave resource at Location 1 and Location 2
- 8 WEC power capture data at Location 1
- 9 WEC model validation [Go to Page]
- 9.1 General
- 9.2 Bin selection
- 9.3 Error per bin
- 9.4 MAEP error
- 9.5 Accounting for PTO losses
- 10 Modifications to the WEC
- 11 Calculate capture length matrix for use at Location 2 [Go to Page]
- 11.1 Evaluate appropriate dimensionality of the capture length matrix at Location 2
- 11.2 Calculate information for each bin of the capture length matrix
- 12 Quality assurance for cells based on measurements at Location 1
- 13 Complement capture length matrix to cover range of conditions at Location 2 [Go to Page]
- 13.1 Capture length matrix complementation requirement
- 13.2 Interpolation or extrapolation of the capture length matrix
- 13.3 Numerical model
- 13.4 Use of physical model
- 14 Calculate MAEP at Location 2 using complemented capture length matrix and Location 2 resource data
- 15 Assessment of confidence
- Annex A (informative) Example analysis [Go to Page]
- A.1 General
- A.2 Description of the WEC technology (Clause 6)
- A.3 Assess and characterize wave resource related to Location 1 and Location 2 (Clause 7)
- A.4 Assess and characterize wave resource at Location 1
- A.5 Assess and characterize wave resource at Location 2
- A.6 WEC power capture data at Location 1 (Clause 8)
- A.7 WEC model validation (Clause 9)
- A.8 Calculate capture length matrix for use at Location 2 (Clause 11) [Go to Page]
- A.8.1 Assess the appropriate dimensionality of the capture length matrix at Location 2 (11.1)
- A.8.2 Calculate information for each bin of the capture length matrix (11.2)
- A.9 Perform quality assurance on capture length matrix for application at Location 2 (Clause 12)
- A.10 Complement capture length matrix to cover range of conditions at Location 2 (Clause 13)
- A.11 Calculate MAEP at Location 2 using complemented capture length matrix and Location 2 resource data (Clause 14)
- A.12 Assessment of confidence
- Annex B (informative) Power take off efficiency [Go to Page]
- B.1 General
- B.2 Absorbed power
- B.3 Power take off efficiency
- Annex C (informative) Example calculation of PTO efficiency
- Annex D (informative) Sources of uncertainty for MAEP at Location 2 [Go to Page]
- D.1 Comparisons between Location 1 and Location 2
- D.2 Bathymetry and water depth
- D.3 Current
- D.4 Wave spectrum
- D.5 Wave direction and short-crested waves
- D.6 Wave converter modifications
- Bibliography
- Figures [Go to Page]
- Figure A.1 – The Wavestar prototype (diameter of each float is 5 m)
- Figure A.2 – Map showing Location 1 Hanstholm and Location 2 Fjatring
- Figure A.3 – Location 1 Wave Energy Flux Matrix, Hantsholm, Denmark (based on measured data from Wavestar prototype Feb 2012 – Jan 2013)
- Figure A.4 – Location 2 Wave Energy Flux Matrix, Buoy 2031 (Fjaltring, Denmark)
- Figure A.5 – Wavestar prototype capture length matrix Location 1
- Figure A.6 – Numerically modelled electrical power matrix, adapted from [2]
- Figure A.7 – Model validation indicating percent difference in capture length between observations and model (model-observations)
- Figure A.8 – Wavestar prototype capture length matrixfor Loaction 2. Fjaltring, Denmark
- Figure B.1 – Overview of the PTO system used in the prototype of Wavestar
- Figure C.1 – PTO efficiency matrix for the Wavestar prototype at Location 1, Hantsholm, Denmark
- Tables [Go to Page]
- Table 1 – Symbols and units
- Table A.1 – Locations 1 and 2, basic information
- Table A.2 – Table of MAEP contributions
- Table C.1 – Example records including wave conditions, absorbed and electrical power and resultant PTO efficiency [Go to Page]
