1、 INTERNATIONAL STANDARD IEC61892-4 First edition2007-06 Mobile and fixed offshore units Electrical installations Part 4:Cables Reference number IEC 61892-4:2007(E)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of t
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7、s your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 INTERNATIONAL STANDARD IEC61892-4 First edition2007-06 Mobile and fixed offshore units Electrical installations Part 4:
8、Cables X For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission 2 61892-4 IEC:2007(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.7 3 Terms and definitions.8 4 Types,installation and operating conditions of
9、 cables.10 4.1 Types of cables.10 4.2 Voltage rating.10 4.2.1 Power frequency cables.10 4.2.2 Control and instrumentation cables.11 4.3 Cross-sectional areas of conductors and current-carrying capacities.11 4.3.1 Cross-sectional areas of conductors.11 4.3.2 Current-carrying capacities.13 4.3.3 Curre
10、nt-carrying capacities for continuous service.13 4.3.4 Correction factors for different ambient air temperatures.17 4.3.5 Correction factors for short time duty.18 4.3.6 Correction factors for cable grouping.21 4.4 Voltage drop.22 4.5 Estimation of lighting loads.22 4.6 Parallel connection of cables
11、.22 4.7 Separation of circuits.22 4.8 Short circuit capacity(withstand capability).22 4.9 Conductor.22 4.10 Insulation material.23 4.11 Screen,core screen or shield.23 4.12 Sheathing material.23 4.13 Metallic braid armour.23 4.14 Fire performance.23 4.15 Bending radius.24 Annex A(informative)Tabulat
12、ed current-carrying capacities Defined installations.26 Annex B(Informative)Fire stops.40 Annex C(Informative)Jet fire test for hydrocarbon(HCF)fire resistant cables.41 Annex D(Informative)Drilling fluid test procedure and requirements.42 Bibliography.44 Table 1 Choice of cables for a.c.systems.11 T
13、able 2 Sizes of earth continuity conductors and equipment earthing connections.13 Table 3 Coefficient related to maximum permissible temperature of the conductor.14 Table 4 Current-carrying capacities in continuous service at maximum rated conductor temperature of 70 C(ambient air temperature 45 C).
14、15 61892-4 IEC:2007(E)3 Table 5 Current-carrying capacities in continuous service at maximum rated conductor temperature of 90 C(ambient air temperature 45 C).16 Table 6 Current-carrying capacities in continuous service at maximum rated conductor temperature of 95 C(ambient air temperature 45 C).17
15、Table 7 Correction factor for various ambient air temperatures (reference ambient temperature of 45 C).18 Table 8 Correction factor for various ambient air temperatures (reference ambient temperature of 30 C).18 Table 9 Bending radii for cables rated up to 1,8/3 kV.25 Table 10 Bending radii for cabl
16、es rated at 3,6/6,0(7,2)kV and above.25 Table A.1 Current-carrying capacities in amperes Copper conductor temperature 60 C and reference ambient air temperature 45 C.29 Table A.2 Current-carrying capacities in amperes Copper conductor temperature 70 C and reference ambient air temperature 45 C.30 Table A.3 Current-carrying capacities in amperes Copper conductor temperature 85 C and reference ambient air temperature 45 C.31 Table A.4 Current-carrying capacities in amperes Copper conductor tempera
