1、 IEC 61892-1Edition 2.0 2010-08INTERNATIONAL STANDARD Mobile and fixed offshore units Electrical installations Part 1:General requirements and conditions IEC 61892-1:2010(E)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2010 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no
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8、 us 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 IEC 61892-1Edition 2.0 2010-08INTERNATIONAL STANDARD Mobile and fixed offshore units Electrical installations Part 1:
9、General requirements and conditions INTERNATIONAL ELECTROTECHNICAL COMMISSION SICS 47.020.60 PRICE CODEISBN 978-2-88912-152-6 Registered trademark of the International Electrotechnical Commission 2 61892-1 IEC:2010(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and d
10、efinitions.7 4 General requirements and conditions.11 4.1 General.11 4.2 Workmanship and material.11 4.3 Acceptance of substitutes or alternatives.11 4.4 Additions and alterations.11 4.5 Environmental conditions.11 4.5.1 General.11 4.5.2 Design parameters.12 4.6 Materials.13 4.7 Power supply system
11、characteristics.13 4.7.1 General.13 4.7.2 AC distribution systems.13 4.7.3 DC distribution systems.14 4.8 Electrical apparatus for explosive gas atmospheres.15 4.9 Precautions against galvanic corrosion.15 4.10 Clearance and creepage distances.15 4.11 Insulation.15 4.12 Maintenance and inspection.15
12、 4.13 Cable entries.15 4.14 Precautions against vibration and mechanical shock.15 4.15 Location of electrical equipment in units.16 4.16 Mechanical protection.16 4.17 Protection from heat,water,steam and oil.16 4.18 Protection against electrical shock.16 4.19 Enclosures.16 4.20 Environmental impact.
13、17 Annex A(informative)Degree of protection.18 Annex B(Informative)Cold climate precautions.20 Bibliography.21 Table 1 Operational design parameters Ambient temperature.12 Table 2 Design parameters Humidity,relative.12 Table A.1 Degrees of protection against foreign objects indicated by the first ch
14、aracteristic numeral.18 Table A.2 Degrees of protection against water indicated by the second characteristic numeral.19 61892-1 IEC:2010(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MOBILE AND FIXED OFFSHORE UNITS ELECTRICAL INSTALLATIONS Part 1:General requirements and conditions FOREWORD 1)The
15、International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and elec
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