1、 IEC/IEEE 60079-30-1 Edition 1.0 2015-09 INTERNA TIONAL STA NDA RD Explosiv e atmospheres Part 30-1:Electrical resistance trace heating General and testing requirements IEC/IEEE 60079-30-1:2015-09(en)colourinsideCopyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTE
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12、 ice Centre:csciec.ch.Copyright International Electrotechnical Commission IEC/IEEE 60079-30-1 Edit ion 1.0 2015-09 INTER NA TIONAL STA NDA R D Explosiv e atmospheres Part 30-1:Electrical resistance trace heating General and testing requirements INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.260.20
13、 ISBN 978-2-8322-2758-9 Warning!Make sure that you obtained this publication from an authorized distributor.R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission colourinsideCopyright International Electrotechnical Commission 2 IEC/IEEE 60079-30-1:2015 IEC/IEEE 2015 CONTENT
14、S FOREWORD.5 INTRODUCTION.10 1 Scope.11 2 Normative references.15 3 Terms and definitions.16 4 General requirements.22 4.1 General.22 4.2 Mechanical strength.22 4.3 Terminations and connections.23 4.4 Circuit protection requirements for branch circuits.23 4.5 Temperature requirements.23 4.5.1 Genera
15、l.23 4.5.2 Stabilized design.24 4.5.3 Controlled design.24 5 Testing.26 5.1 Type tests.26 5.1.1 General.26 5.1.2 Dielectric test.26 5.1.3 Electrical insulation resistance test.27 5.1.4 Flammability test.27 5.1.5 Impact tests.29 5.1.6 Deformation test.32 5.1.7 Cold bend test.32 5.1.8 Water resistance
16、 test.33 5.1.9 Integral components resistance to water test.33 5.1.10 Verification of rated output.34 5.1.11 Thermal stability of electrical insulating material.36 5.1.12 Thermal performance test.36 5.1.13 Determination of maximum sheath temperature.38 5.1.14 Verification of start-up current.46 5.1.15 Verification of the electrical resistance of electrically conductive covering.46 5.1.16 Outdoor exposure test.47 5.2 Routine tests.47 5.2.1 Dielectric test.47 5.2.2 Verification of rated output.47
