1、 IEC TS 61200-101 Edition 1.0 2018-11 TECHNICAL SPECIFICATION Electrical installation guide Part 101:Application guidelines on extra-low-voltage direct current electrical installations not intended to be connected to a public distribution network IEC TS 61200-101:2018-11(en)colourinside THIS PUBLICA
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11、n extra-low-voltage direct current electrical installations not intended to be connected to a public distribution network INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 91.140.50 ISBN 978-2-8322-6254-2 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you ob
12、tained this publication from an authorized distributor.colourinside 2 IEC TS 61200-101:2018 IEC 2018 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.7 4 Concept of an electrical installation.8 5 DC supplies.9 6 Loads.9 6.1 Preferred nominal voltages.9 6.
13、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.11 7.3 Cross-sectional areas of conductors.11 7.4 Selection of conductors.11 7.4.1 12 V nominal voltage.11 7.4.2 24 V nominal voltage.11 7.4.3 36 V nominal voltage.
14、12 7.4.4 48 V nominal voltage.12 8 Protection against electric shock.13 8.1 General.13 8.2 Provision for basic protection.13 8.3 Provision for fault protection.13 8.4 Protection by safety extra-low voltage system(SELV system).13 9 Protection against overcurrent.13 10 Arcing.14 11 Example of a typica
15、l architecture.14 Annex A(informative)Voltage drop limits for extra-low-voltage installations.15 A.1 Voltage drop limits in consumers installations.15 A.2 Estimation of voltage drop.15 Annex B(informative)Example of an installation for energy access using the SELV system as protective measure agains
16、t electric shock.16 Bibliography.17 Figure 1 Concept of a low voltage electrical installation.9 Figure 2 Colour identification of conductors in DC circuits.11 Figure B.1 Example of an installation for energy access using SELV system as protective measure against electric shock.16 Table 1 Preferred voltages for equipment.10 Table 2 Maximum length with respect to maximum voltage drop(12 V nominal voltage).11 Table 3 Maximum length with respect to maximum voltage drop(24 V nominal voltage).12 IEC T
