1、 IEC TS 62257-2 Edition 2.0 2015-12 TECHNICA L SPECIFICA TION Recommendations for renewable energy and hybrid syst ems for rural elect rificat ion Part 2:From requirement s t o a range of electrificat ion sy st ems IEC TS 62257-2:2015-12(en)International Electrotechnical Commission THIS PUBLICA TION
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11、7-2 Edit ion 2.0 2015-12 TECHNICA L SPECIFICA TION R ecommendat ions for renewable energy and hybrid syst ems for rural elect rificat ion Part 2:From requirement s to a range of elect rification syst ems INTERNATIONA L ELECTROTECHNICA L COMMISSION ICS 27.160 ISBN 978-2-8322-3064-0 R egist er ed tr a
12、demar k of t he Int er national Electr ot echnical Commission W arning!Make sure that y ou obtained this publication from an authorized distributor.International Electrotechnical Commission 2 IEC TS 62257-2:2015 IEC 2015 CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 2 Normative references.8 3 Terms a
13、nd definitions.8 4 Methodology for non-technical preliminary studies.10 4.1 Place and role of preliminary studies in a decentralized rural 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.
14、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 organizational 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 r
15、equirements.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 of 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 Typo
16、logy of decentralized electrification systems.19 5.7.1 General.19 5.7.2 Selection process.19 5.7.3 From user needs to electrification 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 application subsystem or demand subsystem.22 6.3 Combining subsystems.23 6.4 Functional diagram
