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Norsok E-001

Transcript of NORSOK -001

NORSOK STANDARD

E-001Edition 5, July 2007

Electrical systems

This NORSOK standard is developed with broad petroleum industry participation by interested parties in the Norwegian petroleum industry and is owned by the Norwegian petroleum industry represented by The Norwegian Oil Industry Association (OLF), The Federation of Norwegian Industry, Norwegian Shipowners Association and The Petroleum Safety Authority Norway. Please note that whilst every effort has been made to ensure the accuracy of this NORSOK standard, neither OLF nor The Federation of Norwegian Industry or any of their members will assume liability for any use thereof. Standards Norway is responsible for the administration and publication of this NORSOK standard. Standards Norway Strandveien 18, P.O. Box 242 N-1326 Lysaker NORWAY Copyrights reserved Telephone: + 47 67 83 86 00 Fax: + 47 67 83 86 01 Email: petroleum@standard.no Website: www.standard.no/petroleum

NORSOK standard E-001

Edition 5, July 2007

Foreword Introduction 1 2 2.1 2.2 3 3.1 3.2 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 5 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 6.14 7 8 9 9.1 9.2 9.3 Scope Normative and informative references Normative references Informative references Terms, definitions and abbreviations Terms and definitions Abbreviations General requirements and conditions (see IEC 61892-1) General (see IEC 61892-1, 4.1) Acceptance of substitutes or alternatives (see IEC 61892-1, 4.4) Environmental conditions (see IEC 61892-1, 4.7) Materials Power supply system characteristics (see IEC 61892-1, 4.9) Clearance and creepage distances (see IEC 61892-1, 4.12) Insulation (see IEC 61892-1, 4.13) Maintenance and inspection (see IEC 61892-1, 4.14) Cable entries (see IEC 61892-1, 4.15) Location of electrical equipment in units (see IEC 61892-1, 4.17) Spaces and compartments (see IEC 61892-1, 4.18) Spare requirements for future modifications Mechanical protection (see IEC 61892-1, 4.19) Protection from heat, water, steam and oil (see IEC 61892-1, 4.20) System design (see IEC 61892-2) Sources of electrical power (see IEC 61892-2, Clause 4) System earthing (see IEC 61892-2, Clause 5) Distribution systems (see IEC 61892-2, Clause 6) Distribution system requirements (see IEC 61892-2, Clause 7) Diversity (demand) factors (see IEC 61892-2, Clause 8) System study and calculations (see IEC 61892-2, Clause 9) Protection (see IEC 61892-2, Clause 10) Lighting (see IEC 61892,2, Clause 11) Control and instrumentation (see IEC 61892-2, Clause 12) Degrees of protection by enclosures (see IEC 61892-2, Clause 13) Equipment (see IEC 61892-3) General Generators and motors (see IEC 61892-3, Clause 4) Transformers for power and lighting (see IEC 61892-3, Clause 5) Switchgear and control gear assemblies (see IEC 61892-3, Clause 6) Electrical indicating instruments Semiconductor converters (see IEC 61892-3, Clause 7) Secondary cells and batteries (UPS) (see IEC 61892-3, Clause 7 and Clause 8) Luminaires (see IEC 61892-3, Clause 9) Heating and cooking appliances (see IEC 61892-3, Clause 10) Trace and surface heating (see IEC 61892-3, Clause 11) Communication (see IEC 61892-3, Clause 12) Underwater systems and appliances (see IEC 61892-3, Clause 13) Control and instrumentation (see IEC 61892-3, Clause 14) Accessories (see IEC 61892-3, Clause 15) Cables (see IEC 61892-4) Mobile units (see IEC 61892-5) Installation (see IEC 61892-6) Equipment earthing and bonding (see IEC 61892-6, Clause 4) Cables and wiring (see IEC 61892-6, Clause 5) Generators and motors (see IEC 61892-6, Clause 6)

3 3 4 4 4 6 6 6 6 7 7 7 7 7 7 7 8 8 8 8 9 9 9 9 9 9 13 14 15 16 16 18 21 22 22 23 23 23 26 27 29 30 35 36 36 36 37 37 37 37 38 38 38 38 39 43 Page 1 of 112

NORSOK standard

NORSOK standard E-001 9.4 9.5 9.6 9.7 9.8 9.9 9.10 9.11 9.12 9.13 10 10.1 10.2 10.3 10.4 Transformers (see IEC 61892-6, Clause 7) Switchgear and control gear assemblies (see IEC 61892-6, Clause 8) Secondary cells and batteries (see IEC 61892-6, Clause 10) Luminaires (see IEC 61892-6, Clause 11) Trace and surface heating (see IEC 61892-6, Clause 13) Lightning protection (see IEC 61892-6, Clause 16) Test of completed installation (see IEC 61892-6, Clause 17) Documentation (see IEC 61892-6, Clause 18) Marking and labelling Bulk materials Hazardous areas (see IEC 61892-7) Electrical systems (see IEC 61892-7, Clause 4 and Clause 5) Electrical equipment (see IEC 61892-7, Clause 6) Installation (see IEC 61892-7, Clause 7) Documentation (see IEC 61892-7, Clause 10)

Edition 5, July 2007 43 44 44 44 44 44 45 45 45 46 47 47 48 48 48 49 101 109

Annex A (Normative) Data sheets Annex B (Informative) Typical installation drawings Bibliography

NORSOK standard

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NORSOK standard E-001

Edition 5, July 2007

ForewordThe NORSOK standards are developed by the Norwegian petroleum industry to ensure adequate safety, value adding and cost effectiveness for petroleum industry developments and operations. Furthermore, NORSOK standards are, as far as possible, intended to replace oil company specifications and serve as references in the authorities regulations. The NORSOK standards are normally based on recognised international standards, adding the provisions deemed necessary to fill the broad needs of the Norwegian petroleum industry. Where relevant, NORSOK standards will be used to provide the Norwegian industry input to the international standardisation process. Subject to development and publication of international standards, the relevant NORSOK standard will be withdrawn. The NORSOK standards are developed according to the consensus principle generally applicable for most standards work and according to established procedures defined in NORSOK A-001. The NORSOK standards are prepared and published with support by The Norwegian Oil Industry Association (OLF), The Federation of Norwegian Industry, Norwegian Shipowners Association and The Petroleum Safety Authority Norway. NORSOK standards are administered and published by Standards Norway. Annex A is normative.

IntroductionThis NORSOK standard is based on equipment and practices which are in current use, but it is not intended in any way to impede development of new or improved techniques. Each clause in this NORSOK standard refers to the equivalent clause in the IEC 61892, Edition 1, series of standards.

NORSOK standard

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NORSOK standard E-001

Edition 5, July 2007

1

Scope

This NORSOK standard contains provisions for electrical installations at all voltages to provide safety in the design of electrical systems, selection, and use of electrical equipment for generation, storage, distribution and utilization of electrical energy for all purposes in offshore units which are being used for the purpose of exploration or exploitation of petroleum resources. This NORSOK standard does not apply for the electrical installations in rooms used for medical purposes or in tankers. This NORSOK standard applies to all electrical installations. The installation may be permanent, temporary, transportable or hand-held, to AC installations up to and including 35 000 V and DC installations up to and including 1 500 V.NOTE 1 This NORSOK standard is applicable for the voltages stated above, even if a different voltage limit may be given in some of the parts in the IEC 61892 series of standards. It is expected that the voltage levels in the IEC 61892 series of standards will be corrected as part of the maintenance cycle of this IEC standard. NOTE 2 Where this NORSOK standard does not give guidelines for systems, equipment and installation for higher voltage level than 11 kV, reference is made to relevant IEC standards.

2

Normative and informative references

The following standards include provisions and guidelines which, through reference in this text, constitute provisions and guidelines of this NORSOK standard. Latest issue of the references shall be used unless otherwise agreed. Other recognized standards may be used provided it can be shown that they meet the requirements of the referenced standards.

2.1

Normative referencesLighting application Emergency lighting Non-electrical equipment for potentially explosive atmospheres. Basic method and requirements Petroleum and natural gas industries - Control and mitigation of fires and explosions on offshore production installations - Requirements and guidelines Uninterruptible power systems (UPS) - Part 1-1: General and safety requirements for UPS used in operator access areas Uninterruptible power systems (UPS) Part 1-2: General and safety requirements for UPS used in restricted access locations Rotating electrical machines - Part 1: Rating and performance Rotating electrical machines - Part 4: Methods for determining synchronous machine quantities from tests Amendment 1 - Rotating electrical machines - Part 4: Methods for determining synchronous machine quantities from tests Rotating electrical machines - Part 8: Terminal markings and direction of rotation Corrigendum 1 - Rotating electrical machines - Part 8: Terminal markings and direction of rotation Rotating electrical machines - Part 9: Noise limits Amendment 1 - Rotating electrical machines - Part 9: Noise limits Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity Amendment 1 - Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity Basic and safety principles for man-machine interface, marking and identification Coding principles for indication devices and actuators Power trans