BS PD IEC TS 62257-1-2015 Recommendations for renewable energy and hybrid systems for rural electrification General introduction to IEC 62257 series and rural electrificat.pdf

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1、BSI Standards Publication Recommendations for renewable energy and hybrid systems for rural electrification Part 1: General introduction to IEC 62257 series and rural electrification PD IEC/TS 62257-1:2015National foreword This Published Document is the UK implementation of IEC/TS 62257-1:2015. It s

2、upersedes PD IEC/TS 62257-1:2013 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee GEL/82, Photovoltaic Energy Systems. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport

3、to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 89792 4 ICS 27.160 Compliance with a British Standard cannot confer immunity from legal obligations

4、. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31 December 2015. Amendments/corrigenda issued since publication Date Text affected PUBLISHED DOCUMENT PD IEC/TS 62257-1:2015 IEC TS 62257-1 Edition 3.0 2015-10 TECHNICAL SPECIFICATION Recom

5、mendations for renewable energy and hybrid systems for rural electrification Part 1: General introduction to IEC 62257 series and rural electrification INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 27.160 ISBN 978-2-8322-2914-9 Registered trademark of the International Electrotechnical Commission Wa

6、rning! Make sure that you obtained this publication from an authorized distributor. colour inside PD IEC/TS 62257-1:2015 2 IEC TS 62257-1:2015 IEC 2015 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Terms, definitions and abbreviations . 7 4 Methodology for rural electri

7、fication using hybrid renewable energy systems . 8 4.1 Rural electrification: which solution to choose? . 8 4.2 Decentralized electrification requiring a range of systems . 10 5 How to use the IEC 62257 series for a rural electrification project . 12 5.1 Overview. 12 5.2 Review of the IEC 62257 seri

8、es: links with the phases of a rural electrification project (see Table 3) . 15 5.2.1 Opportunity study 15 5.2.2 Specification of a project . 15 5.2.3 Feasibility study of a project 17 5.2.4 Detailed technical studies 18 5.2.5 Implementation of a project 19 5.2.6 Validation of a project 20 5.2.7 On

9、field operation 21 Annex A (normative) Terms, definitions and abbreviations in use in the IEC 62257 series 23 Figure 1 Example of electrification progress following a master plan methodology . 9 Figure 2 Example of electrification of a village using both CESs and IESs . 10 Figure 3 Contractual relat

10、ionship between project participants (IEC TS 62257- 3:2015, Figure 1) 16 Figure 4 Example of the content of a non-technical preliminary study (IEC TS 62257-2:2015, Figure 1) . 18 Figure 5 TN-C-S system (IEC TS 62257-5:2015, Figure B.2) . 19 Figure 6 Phase A battery endurance test (IEC TS 62257-8-1:2

11、007, Figure 2) 20 Figure 7 Test 3, operating cycles (IEC TS 62257-9-6:2008, Figure 3) 21 Table 1 Some advantages and disadvantages of the proposed single and multiple user systems 11 Table 2 Contents of the 62257 series . 13 Table 3 Utilization of the different parts of the IEC 62257 series accordin

12、g to the main project phases 14 Table 4 Combined categorization (IEC TS 62257-2:2015, Table C.1) 17 Table 5 Service specification (example) (IEC TS 62257-2:2015, Table C.2) 17 Table 6 Verification of the adherence to commitments (IEC TS 62257-6:2015, Table 8) 21 Table 7 AOMR participant involvement

13、(IEC TS 62257-6:2015, Table 3) . 22 PD IEC/TS 62257-1:2015IEC TS 62257-1:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RECOMMENDATIONS FOR RENEWABLE ENERGY AND HYBRID SYSTEMS FOR RURAL ELECTRIFICATION Part 1: General introduction to IEC 62257 series and rural electrification FOREWORD 1

14、) 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 standardization in the electrica

15、l 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 preparation is entrusted to technica

16、l 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 with the International Organiza

17、tion 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 subjects since each technical co

18、mmittee 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 technical content of IEC Publications

19、 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 possible in their national an

20、d 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 conformity assessment services a

21、nd, 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 directors, employees, servants o

22、r 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 arising out of the publication, us

23、e 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 drawn to the possibility that

24、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 circumstances, a technical committee may

25、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 future but no immediate possi

26、bility 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 62257-1, which is a technical specification, has been prepared by IEC technical committee

27、82: Solar photovoltaic energy systems. It was developed in cooperation with other IEC technical committees and subcommittees dealing with renewable energies and related matters, namely IEC technical committee 21 (Secondary cells and batteries), subcommittee PD IEC/TS 62257-1:2015 4 IEC TS 62257-1:20

28、15 IEC 2015 21A (Secondary cells and batteries containing alkaline or other non-acid electrolytes), IEC technical committee 64 (Electrical installations and protection against electric shock), IEC technical committee 88 (Wind turbines). This third edition cancels and replaces the second edition issu

29、ed in 2013. 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 Va.c. to 1 000 Va.c., the maximum DC voltage from 750 Vd.c. to 1 500 Vd.c. and removal of the limitation of 100 kVA system size. He

30、nce the removal of the word “small” in the title and related references in this technical specification. This technical specification shall 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 d

31、raft Report on voting 82/942/DTS 82/979/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 t

32、he IEC 62257 series, published under the general title Recommendations for renewable energy and hybrid systems for rural electrification, can be found on the IEC website. Future standards in this series will carry the new general title as cited above. Titles of existing standards in this series will

33、 be updated at the time of the next edition. 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 specific publication. At this date, the publication will b

34、e 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 publication indicates that it contains colours which are

35、considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. PD IEC/TS 62257-1:2015IEC TS 62257-1:2015 IEC 2015 5 INTRODUCTION Rural electrification is one of the predominant policy actions designed to increase the well- be

36、ing of rural populations together with access to clean water, improved healthcare, education, personal advancement and economic development. Several strategies can be adopted to implement rural electrification. Rural electrification can be completed through connection to a national or regional elect

37、rification grid. The IEC 62257 series applies to cases where the grid is too far away (too costly) or the individual demand centres are too small to make grid access economic, where autonomous power systems may be used to supply these services. This series IEC 62257 provides technical specifications

38、 to different players involved in rural electrification projects (such as project developers, project implementers, installers, etc.) for the setting up of renewable energy and hybrid systems with AC voltage below 1 000 Vac and DC voltage below 1 500 Vdc. These specifications are recommendations: a)

39、 to choose the right system for the right place, b) to design the system, c) to operate and maintain the system. The specifications focus on rural electrification concentrating on, but not specific to, developing countries. They must not be considered as all inclusive to rural electrification. That

40、means that they could be used for rural electrification or electrification of remote sites in developed countries also. They try to promote the use of renewable energies in rural areas, but they do not deal with clean mechanisms development at this time (CO 2emission, carbon credit, etc.) Further de

41、velopments in this field could be introduced in future steps. This consistent set of documents is best considered as a whole with different parts corresponding to items for safety, sustainability of systems and at the lowest life cycle cost as possible. One of the main objectives is to provide the m

42、inimum sufficient requirements, relevant to the field of application, that is: renewable energy and hybrid off-grid systems. PD IEC/TS 62257-1:2015 6 IEC TS 62257-1:2015 IEC 2015 RECOMMENDATIONS FOR RENEWABLE ENERGY AND HYBRID SYSTEMS FOR RURAL ELECTRIFICATION Part 1: General introduction to IEC 622

43、57 series and rural electrification 1 Scope This part of IEC 62257 first introduces a methodology for implementing rural electrification using autonomous hybrid renewable energy systems. Secondly, it provides a guide for facilitating the reading and the use of the IEC 62257 series for setting up dec

44、entralized rural electrification in developing countries or in developed countries, the only difference being the level of quality of service and the needed quantity of energy that the customer can afford. The IEC 62257 series is designed as follows: Parts 2 to 6 are methodological supports for the

45、management and implementation of projects. Parts 7 to 12 are technical specifications for individual or collective systems and associated components. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applica

46、tion. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC TS 62257-2:2015, Recommendations for renewable energy and hybrid systems for rural electrification Part 2: From requirements to a

47、range of electrification systems IEC TS 62257-3:2015, Recommendations for renewable energy and hybrid systems for rural electrification Part 3: Project development and management IEC TS 62257-4:2015, Recommendations for renewable energy and hybrid systems for rural electrification Part 4: System sel

48、ection and design IEC TS 62257-5:2015, Recommendations for renewable energy and hybrid systems for rural electrification Part 5: Protection against electrical hazards IEC TS 62257-6:2015, Recommendations for renewable energy and hybrid systems for rural electrification Part 6: Acceptance, operation,

49、 maintenance and replacement IEC TS 62257-7, Recommendations for renewable energy and hybrid systems for rural electrification Part 7: Generators IEC TS 62257-7-1, Recommendations for renewable energy and hybrid systems for rural electrification Part 7-1: Generators Photovoltaic arrays IEC TS 62257-7-3, Recommendations for renewable energy and hybrid systems for rural electrification Part 7-3: Generator set Selection of generator sets for rural el