1、 IEC/TS 62600-1 Edition 1.0 2011-12 TECHNICAL SPECIFICATION Marine energy Wave, tidal and other water current converters Part 1: Terminology IEC/TS 62600-1:2011(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2011 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part
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8、 Electropedia: www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French, with equivalent terms in additional languages. Also known as the International Electrotechnical Vocabulary online. Cust
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10、L SPECIFICATION Marine energy Wave, tidal and other water current converters Part 1: Terminology INTERNATIONAL ELECTROTECHNICAL COMMISSION U ICS 27.140 PRICE CODE ISBN 978-2-88912-829-7 Registered trademark of the International Electrotechnical Commission 2 TS 62600-1 IEC:2011(E) CONTENTS FOREWORD .
11、 3 INTRODUCTION . 5 1 Scope . 6 2 Terms and definitions . 6 Bibliography 26 Figure 1 Six degrees of freedom Floating device . 9 Figure 2 Six degrees of freedom Submerged device . 9 Figure 3 Wave height and wave period 23 TS 62600-1 IEC:2011(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MARINE ENE
12、RGY WAVE, TIDAL AND OTHER WATER CURRENT CONVERTERS Part 1: Terminology 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 intern
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23、International Standards. 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 devel
24、opment or where, for any 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 62600-1,
25、which is a technical specification, has been prepared by IEC technical committee 114: Marine energy Wave, tidal and other water current converters. 4 TS 62600-1 IEC:2011(E) The text of this technical specification is based on the following documents: Enquiry draft Report on voting 114/65/DTS 114/76/
26、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. The committee has decided that the contents of this publication
27、will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the 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 amen
28、ded. A bilingual version of this publication may be issued at a later date. TS 62600-1 IEC:2011(E) 5 INTRODUCTION This Technical Specification has been developed as a tool for the international marine energy community, to assist in creating clarity and understanding. The wave, tidal and water curren
29、t energy industry has recently experienced a period of rapid growth and sector development. With this expansion, it became apparent that a glossary of terms for the sector was required. The aim of this Technical Specification is to present clear and consistent language that will aid the development
30、of programs, projects, and future standards. This Technical Specification lists the terms that the marine energy industry commonly uses. It is an evolving document that will change as new terms and symbols are added. The terminologies herein have been harmonized with IEC 60050 and other IEC document
31、s as far as possible. 6 TS 62600-1 IEC:2011(E) MARINE ENERGY WAVE, TIDAL AND OTHER WATER CURRENT CONVERTERS Part 1: Terminology 1 Scope This part of IEC 62600 defines the terms relevant to ocean and marine renewable energy. For the purposes of this Technical Specification, sources of ocean and marin
32、e renewable energy are taken to include wave, tidal current, and other water current energy converters. Terms relating to conventional dam and tidal barrage, offshore wind, marine biomass, ocean thermal and salinity gradient energy conversion are not included in the scope of this Technical Specifica
33、tion. This Technical Specification is intended to provide uniform terminology to facilitate communication between organizations and individuals in the marine renewable energy industry and those who interact with them. 2 Terms and definitions For the purposes of this document, the following terms and
34、 definitions apply. 2.1 added mass extra mass associated with the additional force necessary to accelerate a body through a fluid compared to the same acceleration in a vacuum NOTE 1 In general, added mass is a variable that depends on the state of the unsteady motion and is not a constant. NOTE 2 I
35、n a viscous (real) fluid, the added mass would include kinetic energy of a fluid layer entrained by the accelerating body. 2.2 added mass at infinity limit of the mass corresponding to the added mass as the frequency tends to infinity NOTE The value of added mass at infinity is normally necessary fo
36、r time domain modelling of wave-body interaction. 2.3 added mass coefficient ratio between added mass and the mass of the water displaced by the submerged body 2.4 amplitude control method to obtain the optimum oscillatory motion amplitude to capture a maximum of wave energy NOTE For a simple oscill
37、ating system, the object of amplitude control is to obtain a given oscillatory velocity amplitude that should be related with the wave excitation force. TS 62600-1 IEC:2011(E) 7 2.5 annual energy production (marine energy converter) estimate of total energy production of a marine energy converter sy
38、stem during a one-year period obtained by applying its power performance assessment to a prospective marine energy resource characterization and assuming 100 % availability NOTE Actual annual energy production is unlikely to exceed this estimate. IEC 60050-415:1999, 415-05-09, modified 2.6 array (ma
39、rine energy) farm of marine energy converters arranged specifically so as to enhance energy capture NOTE Array spacing is dictated by hydrodynamic considerations and may be very closely packed so as to constitute a single platform or an arrangement of identical devices. 2.7 attenuator device energy
40、converter which is aligned parallel to the predominant direction of wave incidence 2.8 availability (marine energy converter) ability of a marine energy conversion system to be in a state to perform a necessary function under given conditions at a given instant of time or over a given duration, assu
41、ming that the necessary external resources are provided NOTE 1 For continuously running equipment availability equates to: uptime/(uptime + downtime). NOTE 2 Where reliability is specified in Mean Time Between Failures (MTBF) and maintainability in Mean Time To Repair (MTTR), availability also equat
42、es to: MTBF/(MTBF + MTTR). IEC 60050-191:1990, 191-02-05, modified 2.9 capture area (tidal) equal to the power captured by the hydrodynamically functional part of a TEC divided by power per square metre of the incident tidal stream 2.10 capture length (wave) capture width equal to the power captured
43、 by the hydrodynamically functional part of a WEC divided by power per metre of the incident wave field 2.11 centre of buoyancy centroid of the submerged volume 2.12 centre of flotation point coinciding with the centroid of the water-plane area NOTE The water-plane area is the cross-sectional area o
44、f the floating body at mean water level in calm water. 2.13 chart datum reference level of water, typically from a selected phase of the tide at a specific location NOTE Different hydrographic organizations have differing conventions for defining chart datum. 8 TS 62600-1 IEC:2011(E) 2.14 conversion
45、 efficiency (resource to wire) measure of the overall effectiveness of a marine energy converter calculated as the ratio of electrical power output in relation to the incident power in the water resource NOTE 1 For WECs, conversion efficiency (resource to wire) is sometimes referred to as wave-to-wi
46、re conversion efficiency. NOTE 2 Conversion efficiency (resource to wire) is normally calculated over extended periods (e.g. tidal cycle, years, etc.). 2.15 current profile variation in velocity throughout the water column, typically displayed as a function of height above the sea bed 2.16 deep wate
47、r (offshore) spatial location where the depth of the water is greater than or equal to half the wave length NOTE The deep water (offshore) spatial location is based on the kinematic properties of waves. The dispersion equation is L d T L 2 tanh 2 2 g =where L is the wave length; d is the water depth
48、; T is the period; g is the gravitation acceleration. In deep water, the dispersion equation may be simplified to 2 2 56 , 1 2 T T L = = g2.17 degree of freedom independent displacements and/or rotations that specify the orientation of a body or system NOTE 1 A marine body may experience three linea
49、r and three rotational motions as depicted in Figures 1 and 2. NOTE 2 The principal axis is parallel to the mean water surface and aligned with the direction of incident energy, and the rotations act about the centre of gravity. TS 62600-1 IEC:2011(E) 9 +A +E +D +C +F C A D F G B H +B E IEC 2653/11 Key A Heave D Surge G Centre of gravity B Yaw E Roll H Incident energy C Pitch F Sway Figure 1 Six degrees of freedom Floating device +A +B +E +C
