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    IEC TS 62257-2-2015 Recommendations for renewable energy and hybrid systems for rural electrification - Part 2 From requirements to a range of electrification s.pdf

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    IEC TS 62257-2-2015 Recommendations for renewable energy and hybrid systems for rural electrification - Part 2 From requirements to a range of electrification s.pdf

    1、 IEC TS 62257-2 Edition 2.0 2015-12 TECHNICAL SPECIFICATION Recommendations for renewable energy and hybrid systems for rural electrification Part 2: From requirements to a range of electrification systems IEC TS 62257-2:2015-12(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva,

    2、 Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the

    3、country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de

    4、Varemb Fax: +41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC

    5、 publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. IEC Catalogue - webstore.iec.ch/catalogue The stand-alone application for consulting the entire

    6、 bibliographical information on IEC International Standards, Technical Specifications, Technical Reports and other documents. Available for PC, Mac OS, Android Tablets and iPad. IEC publications search - www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criter

    7、ia (reference number, text, technical committee,). It also gives information on projects, replaced and withdrawn publications. IEC Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published details all new publications released. Available online and al

    8、so once a month by email. Electropedia - www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and definitions in English and French, with equivalent terms in 15 additional languages. Also known as the International Electrotech

    9、nical Vocabulary (IEV) online. IEC Glossary - std.iec.ch/glossary More than 60 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC TC 37

    10、, 77, 86 and CISPR. IEC Customer Service Centre - webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC TS 62257-2 Edition 2.0 2015-12 TECHNICAL SPECIFICATION Recommendations for renewable e

    11、nergy and hybrid systems for rural electrification Part 2: From requirements to a range of electrification systems INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 27.160 ISBN 978-2-8322-3064-0 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained th

    12、is publication from an authorized distributor. 2 IEC TS 62257-2:2015 IEC 2015 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 8 4 Methodology for non-technical preliminary studies . 10 4.1 Place and role of preliminary studies in a decentralized rura

    13、l electrification project 10 4.2 Specifications of the preliminary study 10 4.2.1 General . 10 4.2.2 Data for a better understanding of the project environment 11 4.2.3 Necessary data for the techno-economic study 12 4.2.4 Necessary data for the financial analysis . 14 4.2.5 Necessary data for the o

    14、rganizational study 15 4.3 The stages of a socio-economic study 16 5 Classification of electrification systems 16 5.1 Introduction to a range of systems 16 5.2 Users requirements . 16 5.3 Typology of qualitative requirements . 16 5.3.1 Type of desired use . 16 5.3.2 Availability . 16 5.3.3 Quality o

    15、f the supply 17 5.4 Typology of quantitative requirements . 17 5.5 Classification for electricity services provided . 18 5.6 Assisted selection of production subsystem 18 5.7 Typology of decentralized electrification systems 19 5.7.1 General . 19 5.7.2 Selection process 19 5.7.3 From user needs to e

    16、lectrification system Summary for a range of electrification systems . 20 6 Electrification systems architecture 21 6.1 General . 21 6.2 General presentation of isolated electrification systems 22 6.2.1 General . 22 6.2.2 Production subsystem 22 6.2.3 Distribution subsystem . 22 6.2.4 User or applic

    17、ation subsystem or demand subsystem 22 6.3 Combining subsystems . 23 6.4 Functional diagrams 25 6.5 Related references 25 6.6 Limits between production, distribution and demand/application subsystems 26 6.7 Summary of the different electrification system types 26 Annex A (informative) Stages of a so

    18、cio-economic study . 27 A.1 General . 27 A.2 Preparation phase. 27 IEC TS 62257-2:2015 IEC 2015 3 A.3 Drawing up of the questionnaires choice of surveyors and choice of sample 28 A.4 Conducting the survey Analysis of the results 28 A.5 Extrapolation of the results . 28 Annex B (informative) Analysis

    19、 of the type of receivers installed versus types of use and demonstrating seasonable variability (where applicable) . 29 B.1 Domestic use 29 B.1.1 General . 29 B.1.2 Utilisation Example 1 30 B.1.3 Utilisation Example 2 31 B.2 Analysis of the type of receivers versus usage types 32 B.2.1 General . 32

    20、 B.2.2 Health and care centre 32 B.2.3 Worship places 32 B.2.4 Community centre 32 B.2.5 School . 33 B.2.6 Administrative premises . 33 B.2.7 Communication system 33 B.2.8 Public lighting 33 B.2.9 Pumping 33 B.2.10 Battery charging station . 34 Annex C (informative) Supply quality indicators for iso

    21、lated electrification systems 35 Annex D (informative) Assisted selection of production subsystem 36 D.1 Characteristics of possible production subsystems 36 D.2 Assisted selection of a decentralized production system suited to the requirement 36 Annex E (informative) Functional diagrams 38 E.1 Glos

    22、sary of symbols 38 E.2 Architectures of systems . 39 E.2.1 Type T 1 I: REN Systems operating with no storage (in sync with solar, wind or water energy sources) REN production . 39 E.2.2 Type T 2 I: Individual electrification systems REN production with energy storage 43 E.2.3 Type T 3 I: Individual

    23、electrification systems: (REN + diesel) production without energy storage 46 E.2.4 Type T 4 I: Individual electrification systems: (RE + diesel) production with energy storage . 49 E.2.5 Type T 5 I: Individual electrification systems: genset only without storage . 51 E.2.6 Type T 6 I: Individual ele

    24、ctrification systems: genset only with storage 52 E.2.7 Type T 1 C: Collective electrification systems: REN only without storage . 53 E.2.8 Type T 2 C: Collective electrification systems: REN Micropower plant supplying a microgrid . 53 E.2.9 Type T 3 C: Collective electrification systems: Multi sour

    25、ces micropower plant (RE + diesel) without energy storage, supplying a microgrid . 56 E.2.10 Type T 4 C: Collective electrification systems: Multi sources micropower plant (RE + diesel) with energy storage supplying a microgrid . 59 E.2.11 Type T 5 C: Collective electrification systems: Diesel micro

    26、power plant supplying a microgrid . 62 E.2.12 Type T 6 C: Collective electrification systems: Diesel micropower plant with energy storage supplying a microgrid . 64 4 IEC TS 62257-2:2015 IEC 2015 Figure 1 Example of the content of a non-technical preliminary study 11 Figure 2 Systems architecture an

    27、d dispatchable energy . 20 Figure 3 General configuration of an electrification system 24 Figure A.1 Flowchart of the stages of a socio economic study 27 Figure D.1 Better adequacy of production subsystems solutions with supply availability and daily duration of service 37 Figure E.1 Type T 1 I-a sy

    28、stem 40 Figure E.2 Type T 1 I-b system 41 Figure E.3 Type T 1 I-c system 42 Figure E.4 Type T 1 I-d system 43 Figure E.5 Type T 2 I system . 45 Figure E.6 Type T 3 I-a system 47 Figure E.7 Type T 3 I-b system 48 Figure E.8 Type T 4 I system . 50 Figure E.9 Type T 5 I system . 51 Figure E.10 Type T 6

    29、 I system . 52 Figure E.11 General architecture of a micropower plant supplying a microgrid . 54 Figure E.12 Type T 2 C system 55 Figure E.13 Type T 3 C-asystem . 57 Figure E.14 Type T 3 C-b system . 58 Figure E.15 Type T 4 C-a system . 60 Figure E.16 Type T 4 C-b system . 61 Figure E.17 Type T 5 C

    30、system 63 Figure E.18 Type T 6 Csystem 65 Table 1 Application types and types of uses . 16 Table 2 Expected quality of the supply . 17 Table 3 Synthesis of quantitative requirements/category Examples of type of user and use. 18 Table 4 Typology of decentralized electrification systems 19 Table 5 Pre

    31、liminary range of relevant (as a minimum) decentralized electrification systems 21 Table 6 Recapitulation of characteristics of different types of isolated electrification systems 26 Table C.1 Combined categorization . 35 Table C.2 Service specification (example) . 35 Table D.1 Principles and charac

    32、teristics of production subsystems 36 Table E.1 Glossary of symbols . 38 Table E.2 List of cases, type T 1 I 39 Table E.3 List of cases, type T 3 I 46 Table E.4 List of cases, type T 3 C 56 Table E.5 List of cases, type T 4 C 59 IEC TS 62257-2:2015 IEC 2015 5 INTERNATIONAL ELECTROTECHNICAL COMMISSIO

    33、N _ RECOMMENDATIONS FOR RENEWABLE ENERGY AND HYBRID SYSTEMS FOR RURAL ELECTRIFICATION Part 2: From requirements to a range of electrification systems FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnic

    34、al committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, T

    35、echnical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, gover

    36、nmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions

    37、or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for internation

    38、al use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical 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

    39、 promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly

    40、indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification 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 bodie

    41、s. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property

    42、damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal 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

    43、publication. Use of the referenced publications is indispensable for the correct application of this publication. 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 a

    44、ll such patent rights. The main task of IEC technical committees is to prepare 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 St

    45、andard, despite repeated efforts, or the subject is still under technical development 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 dec

    46、ide whether they can be transformed into International Standards. IEC 62257-2, which is a technical specification, has been prepared by IEC technical committee 82: Solar photovoltaic energy systems. 6 IEC TS 62257-2:2015 IEC 2015 This second edition cancels and replaces the first edition issued in 2

    47、004. It constitutes a technical revision. The main technical changes with regard to the previous edition are as follows: redefine the maximum AC voltage from 500 V to 1 000 V, the maximum DC voltage from 750 V to 1 500 V; removal of the limitation of 100 kVA system size. Hence the removal of the wor

    48、d “small” in the title and related references in this technical specification. This technical specification is to be used in conjunction with the other documents of the IEC 62257 series. The text of this technical specification is based on the following documents: Enquiry draft Report on voting 82/9

    49、47/DTS 82/998A/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 62257 series, published under the general title Recommendations for renewable energy and hybrid systems for rural electrification, can be found on the IEC webs


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