1、 TECHNICAL SPECIFICATION IEC TS 62257-4 First edition2005-07 Recommendations for small renewable energy and hybrid systems for rural electrification Part 4:System selection and design Reference number IEC/TS 62257-4:2005(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION
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9、n Part 4:System selection and design PRICE CODE IEC 2005 Copyright-all rights reserved 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 the publisher.International El
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11、ECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TS 62257-4 IEC:2005(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.8 4 Functional requirements of production and distribution subsystems.9 4.1 Prelim
12、inaries.9 4.2 Overall needs to be satisfied.9 4.3 Introduction to subsystems.13 4.4 Functional description of a production subsystem.13 4.5 Functional description of a distribution subsystem.15 4.6 Functional description of a demand subsystem.17 4.7 Constraints to be complied with by production dist
13、ribution and demand subsystems 17 5 Energy management rules.18 5.1 General.18 5.2 Functional description for an energy management of an isolated system.19 5.3 Demand side management.20 6 Expected results from the sizing process.20 6.1 Introduction.20 6.2 Participants in the sizing process.21 6.3 Ele
14、ments for comparing various design proposals.21 6.4 Frameworks for proposal.21 6.5 Proposal for a sizing process.38 6.6 Impact of design assumptions on system sizing and cost.38 6.7 Guarantee of results.40 7 Data acquisition rules for system management.40 7.1 Introduction.40 7.2 General.41 7.3 Level
15、s of data acquisition and data necessity.41 7.4 Data to be collected.46 7.5 Operating conditions,electrical and engineering requirements for data acquisition.47 Annex A(informative)Example for detailed performance criteria and levels for a production subsystem.48 Annex B(informative)Example for deta
16、iled performance criteria and levels for a distribution subsystem.49 Annex C(informative)Example framework for proposal specification.50 Annex D(informative)Equation for costs calculations.57 Annex E(informative)Proposal for a sizing process.61 Figure 1 Factors involved in the design of a system.10 Figure 2 Functional diagram of a radial structure for rural micro-grid.17 Figure 3 Functional impact of energy management and safety.19 Figure E.1 Sizing process flow chart.61 LICENSED TO MECON Limite