1、 TECHNICAL SPECIFICATION IECTS 62257-9-3 First edition2006-10 Recommendations for small renewable energy and hybrid systems for rural electrification Part 9-3:Integrated system User interface Reference number IEC/TS 62257-9-3:2006(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS
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8、erviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICAL SPECIFICATION IECTS 62257-9-3 First edition2006-10 Recommendations for small renewable energy and hybrid systems for rural el
9、ectrification Part 9-3:Integrated system User interface PRICE CODE IEC 2006 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 publish
10、er.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch M For price,see current catalogueCommission Electrotechnique InternationaleInternational Electrotechnical Commis
11、sion LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TS 62257-9-3 IEC:2006(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative reference.6 3 Terms and definitions.7 4 Electrical characteristics.9 4.1 Equipment.9 4.2 System vol
12、tages.9 5 Functional description.9 6 Design and erection.10 6.1 System earthing.10 6.2 Implementation of interface functions.10 6.3 Insulation requirements.11 6.4 Selection of electrical equipment.11 6.5 Housing.11 6.6 Protection against fraudulent use.12 7 Information to be given and marking.12 8 V
13、erification and acceptance.12 8.1 General.12 8.2 Verification by inspection.12 8.3 Commissioning tests.13 Figure 1 General configuration of an electrification system.6 Figure 2 Interface for user installations supplied from a a.c.or a d.c.source.9 Figure 3 Interface for user installations supplied l
14、ocally from a.c.or d.c.sources (not from a microgrid).10 Table 1 Functions ensured by various types of user interfaces.9 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TS 62257-9-3 IEC:2006(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSIO
15、N _ RECOMMENDATIONS FOR SMALL RENEWABLE ENERGY AND HYBRID SYSTEMS FOR RURAL ELECTRIFICATION Part 9-3:Integrated system User interface FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC N
16、ational 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,Technical 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
