1、 IEC/TS 62548 Edition 1.0 2013-07 TECHNICAL SPECIFICATION Photovoltaic(PV)arrays Design requirements IEC/TS 62548:2013(E)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is perm
2、itted.Uncontrolled when printed.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC,Geneva,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 micro
3、film,without permission in writing from either IEC or IECs member National Committee in the 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 Nation
4、al Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de 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 Intern
5、ational Standards for all electrical,electronic and related technologies.About IEC 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.Useful links:IEC
6、 publications search-www.iec.ch/searchpub The advanced search enables you to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up t
7、o date on all new IEC publications.Just Published details all new publications released.Available on-line and also 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 Engl
8、ish and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary(IEV)on-line.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 Cen
9、tre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TS 62548 Edition 1.0 2013-07 TECHNICAL SPECIFICATION Photovoltaic(PV)arrays Design
10、requirements INTERNATIONAL ELECTROTECHNICAL COMMISSION XA ICS 27.160 PRICE CODE ISBN 978-2-8322-1006-2 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyrighted material licensed t
11、o BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TS 62548 IEC:2013(E)CONTENTS FOREWORD.5 1 Scope and object.7 2 Normative references.7 3 Terms and definitions,symbols and abbrevia
12、tions.9 3.1 Terms,definitions and symbols.9 4 Compliance with IEC 60364.15 5 PV array system configuration.16 5.1 General.16 5.1.1 Functional configuration of a PV system.16 5.1.2 PV system architectures.16 5.1.3 Array electrical diagrams.16 5.1.4 Use of PCE with multiple d.c.inputs.21 5.1.5 Series-
13、parallel configuration.22 5.1.6 Batteries in systems.22 5.1.7 Considerations due to prospective fault conditions within a PV array.22 5.1.8 Considerations due to operating temperature.23 5.1.9 Performance issues.23 5.2 Mechanical design.24 5.2.1 General.24 5.2.2 Thermal aspects.24 5.2.3 Mechanical l
14、oads on PV structures.24 5.2.4 Wind.24 5.2.5 Material accumulation on PV array.24 5.2.6 Corrosion.24 6 Safety issues.25 6.1 General.25 6.2 Protection against electric shock.25 6.3 Protection against overcurrent.25 6.3.1 General.25 6.3.2 Requirement for overcurrent protection.25 6.3.3 Overcurrent pro
15、tection in PV systems connected to batteries.25 6.3.4 Requirement for string overcurrent protection.26 6.3.5 Requirement for sub-array overcurrent protection.26 6.3.6 Overcurrent protection sizing.26 6.3.7 Overcurrent protection location.28 6.4 Requirements for PV arrays operating at DVC-B and DVC-C
16、 voltages.29 6.4.1 Detection and alarm requirements.29 6.4.2 Earth fault alarm.31 6.5 Protection against effects of lightning and overvoltage.32 6.5.1 General.32 6.5.2 Protection against overvoltage.32 7 Selection and erection of electrical equipment.32 7.1 General.32 7.2 PV array maximum voltage.33 7.3 Component requirements.33 7.3.1 General.33 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or d
