1、 IEC 62135-1 Edition 2.0 2015-05 INTERNA TIONAL STA NDA RD Resistance welding equipment Part 1:Safety requirements for design,manufacture and installation IEC 62135-1:2015-05(en)colourinsideCopyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2015 IE
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11、IONAL STA NDA R D R esistance welding equipment Part 1:Safety requirements for design,manufacture and inst allation INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 25.160 ISBN 978-2-8322-2664-3 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission Warning!Make sure that you o
12、btained this publication from an authorized distributor.colourinsideCopyright International Electrotechnical Commission 2 IEC 62135-1:2015 IEC 2015 CONTENTS FOREWORD.6 1 Scope.8 2 Normative references.8 3 Terms and definitions.9 4 Environmental conditions.11 5 Tests.11 5.1 Test condition.11 5.2 Meas
13、uring instruments.11 5.3 Type tests.12 5.4 Routine tests.12 6 Protection against electric shock.12 6.1 General.12 6.2 Insulation.13 6.2.1 General.13 6.2.2 Clearances.13 6.2.3 Creepage distances.14 6.2.4 Insulation resistance.16 6.2.5 Dielectric strength.16 6.2.6 Welding circuit touch current.18 6.2.
14、7 Liquid cooling.18 6.3 Protection against electric shock in normal service(direct contact).19 6.3.1 General.19 6.3.2 Rated no-load voltage at the output.19 6.3.3 Protection provided by barriers or the enclosure.20 6.3.4 Capacitors.21 6.3.5 Automatic discharge of input capacitors.21 6.3.6 Protective
15、 conductor current under normal condition.22 6.3.7 Touch current in normal condition.22 6.4 Protection against electric shock in case of a fault condition(indirect contact).22 6.4.1 General.22 6.4.2 Protective provisions for welding circuit.24 6.4.3 Internal conductors and connections.36 6.4.4 Touch
16、 current in fault condition.36 6.4.5 DC resistance welding equipment operating at mains frequency.37 6.4.6 DC resistance welding equipment operating at medium frequency.37 6.4.7 Continuity of the protective bonding circuit.37 6.5 Additional user requirements.38 6.6 Supply voltage.38 6.7 Conductors of the welding circuit.38 7 Thermal requirements.38 7.1 Heating test.38 7.1.1 Test conditions.38 7.1.2 Tolerances of the test parameters.39 7.1.3 Beginning of the heating test.40 7.1.4 Duration of the