IEC_TS_61200-102-2020.pdf

IEC TS 61200-102 Edition 1.0 2020-03 TECHNICAL SPECIFICATION Electrical installation guide Part 102:Application guidelines for low-voltage direct current electrical installations not intended to be connected to a public distribution network IEC TS 61200-102:2020-03(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2020 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 microfilm,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 National Committee for further information.IEC Central Office Tel.:+41 22 919 02 11 3,rue de Varemb infoiec.ch CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International 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 corrigendum or an amendment might have been published.IEC publications search-webstore.iec.ch/advsearchform The advanced search enables 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by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and once a month by email.IEC 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 Centre:salesiec.ch.Electropedia-www.electropedia.org The worlds leading online dictionary on electrotechnology,containing more than 22 000 terminological entries in English and French,with equivalent terms in 16 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary 67 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC TS 61200-102 Edition 1.0 2020-03 TECHNICAL SPECIFICATION Electrical installation guide Part 102:Application guidelines for low-voltage direct current electrical installations not intended to be connected to a public distribution network INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 91.140.50 ISBN 978-2-8322-8013-3 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinside 2 IEC TS 61200-102:2020 IEC 2020 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.7 4 General.8 4.1 Concept of electrical installation.8 4.2 Architecture and operating modes of installation.9 5 Local power sources(supplies).9 6 Loads.9 6.1 Possible nominal voltages.9 6.2 Minimum and maximum voltage values.10 7 Wiring systems.10 7.1 Type of wiring system.10 7.2 Identification of conductors and terminals.10 7.3 Cross-sectional areas of conductors.11 8 Earthing.11 8.1 Direction of touch current.11 8.2 Earthing arrangement.12 8.3 Protective conductors.12 8.4 Earthing conductors.12 9 Protection for safety.12 9.1 Protection against electric shock.12 9.1.1 General.12 9.1.2 Provision for basic protection.12 9.1.3 Provision for fault protection.12 9.2 Protection against thermal effects.16 9.2.1 Protection against electric arc.16 9.2.2 Risk of explosion with batteries.16 9.3 Protection against overcurrent.17 9.3.1 Overload protection.17 9.3.2 Short-circuit protection.17 9.4 Protection against overvoltage.18 10 Inspection.18 10.1 Initial inspection.18 10.2 Periodic inspection.18 Annex A(normative)Architecture and operating modes of installations.20 A.1 Architecture of installations.20 A.1.1 Individual installation.20 A.1.2 Collective installation.20 A.1.3 Shared installations.20 A.2 Operating modes.21 A.2.1 Direct feeding mode.21 A.2.2 Reverse feeding mode.21 A.2.3 Autonomous mode.22 Annex B(informative)Limitation of lengths of cables.23 IEC TS 61200-102:2020 IEC 2020 3 B.1 Limit of voltage drop in consumer installations.23 B.2 Estimation of voltage drop.23 Annex C(informative)List of notes concerning certain countries.24 Bibliography.25 Figure 1 Concept of DC low-voltage electrical installation.9 Figure 2 Colours used for identification of conductors in DC electrical installations.11 Figure 3 Downward and upward direct current in human body.11 Fig