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Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 25444.6-2023: Mobile and fixed offshore units - Electrical installations - Part 6: Installation Status: Valid GB/T 25444.6: Historical versions
Basic dataStandard ID: GB/T 25444.6-2023 (GB/T25444.6-2023)Description (Translated English): Mobile and fixed offshore units - Electrical installations - Part 6: Installation Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: U60 Classification of International Standard: 47.020.60 Word Count Estimation: 42,448 Date of Issue: 2023-12-28 Date of Implementation: 2024-04-01 Older Standard (superseded by this standard): GB/T 25444.6-2010 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 25444.6-2023: Mobile and fixed offshore units - Electrical installations - Part 6: Installation---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. ICS 47:020:60 CCSU60 National Standards of People's Republic of China Replace GB/T 25444:6-2010 Electrical installations for mobile and fixed offshore installations Part 6: Installation (IEC 61892-6:2019,IDT) Published on 2023-12-28 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPreface V Introduction VII 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 General Principles 5 4:1 Label 5 4:2 Protection of equipment during storage 5 4:3 Protection during equipment installation 5 5 Generators and Motors---Installation 5 6 Transformer---Installation and Arrangement 6 7 Switchgear and controlgear combinations 6 7:1 Position 6 7:2 Insulating grid or insulating pad 6 7:3 Access to the front of the switchgear and controlgear combination 7 7:4 Space and access at the rear 7 8 Semiconductor converter 7 9 Batteries and battery packs 7 9:1 General requirements 7 9:2 Position 7 9:3 Electrical installation of battery room 8 9:4 Corrosion prevention measures 8 9:5 Fixing and supporting 9 9:6 Protection against electric shock 9 9:7 Signage or logo 9 10 Uninterruptible power supply system 10 11 Lighting10 11:1 Protection level and safety requirements10 11:2 Emergency and escape lighting10 11:3 Navigation aid and obstacle light system 10 12 Electric heaters and electric cookers10 12:1 Protection of flammable materials10 12:2 Location of controls and switching gear10 13 Heat tracing and surface heating10 13:1 General requirements 10 13:2 Heating cable 10 13:3 Flag 11 13:4 Protection 11 13:5 Hazardous area installation requirements 11 13:6 Mechanical protection11 13:7 Junction box 11 14 Cables and Wires11 14:1 General requirements 11 14:2 Installation 11 14:3 Cable laying 12 14:4 Bending radius 13 14:5 Cable clamps and binding13 14:6 Connectors and branch circuits 14 14:7 Cable stuffing box---plugs and drain plugs14 14:8 Cable connection 14 14:9 Cable transit systems 15 14:10 Cable ladders and brackets16 15 Equipment Grounding and Bonding 16 15:1 General requirements 16 15:2 Grounding of exposed conductive parts17 15:3 Equipotential bonding 18 15:4 Connecting wires 18 15:5 Connecting to unit structures 18 15:6 Galvanic corrosion protection 19 15:7 Cable metal covering 19 15:8 Cable supports and brackets 19 16 Lightning protection device 19 16:1 Direct lightning protection system 19 16:2 Lightning rod 20 16:3 Indirect lightning protection system 20 17 Communication20 18 Completion test 21 18:1 Inspection and testing 21 18:2 Insulation test instruments 21 18:3 Insulation resistance 21 18:4 Generator set 22 18:5 Switchgear 22 18:6 Lighting, electric heaters and kitchen equipment22 18:7 Communication Systems 23 18:8 Emergency and safety systems23 18:9 Ground 23 18:10 Voltage drop 23 18:11 Provisions of international conventions and rules23 19 Document 23 19:1 General requirements 23 19:2 Equipment 23 19:3 Test 23 19:4 Maintenance 23 Appendix A (Informative) Performance Test 24 Appendix B (informative) Cable terminal example 25 Reference 29 Figure 1 Recommended layout for single-core cable laying---tiled structure 12 Figure 2 Recommended layout for single-core cable laying --- three-leaf structure 12 Figure B:1 Equipment with stuffing box 25 Figure B:2 Equipment that needs to be grounded---Exd preparation armored clamping stuffing box 26 Figure B:3 Equipment that does not require grounding --- Exd braided armored clamping stuffing box --- Instrument cable terminal 27 Figure B:4 Equipment that requires grounding --- Exd braided armored clamping stuffing box --- Power cable terminal block 28 Figure B:5 Heat shrink isolation between outer braided armor and electrostatic shield28 Table 1 Location and charging power of battery pack 8 Table 2 Bending radius of cables with rated voltage 1:8/3kV 13 Table 3 Bending radius of cables with rated voltages from 3:6/6:0(7:2)kV to 18/30kV (inclusive)13 Table 4 Housing---stuffing box type 14 Table 5 Dimensions for grounding conductors and equipment grounding connections17 Table 6 Test voltage 21ForewordThis document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document is Part 6 of GB/T 25444 "Electrical Installations for Mobile and Fixed Offshore Installations": GB/T 25444 has been issued The following parts have been published: ---Part 1: General requirements and conditions; ---Part 2: System Design; ---Part 3: Equipment; ---Part 5: Mobile facilities; ---Part 6: Installation; ---Part 7: Hazardous areas: This document replaces GB/T 25444:6-2010 "Electrical installations for mobile and fixed offshore installations - Part 6: Installation" and is consistent with Compared with GB/T 25444:6-2010, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) The applicable limits of the scope have been changed (see Chapter 1, Chapter 1 of the:2010 edition); b) Changes in terms and definitions (see Chapter 3, Chapter 3 of the:2010 edition); c) The general requirements have been changed (see Chapter 4, 4:1 of the:2010 edition); d) Added layout requirements and types of transformers (see 6:1); e) Added installation and capacity requirements for receiving tanks (see 6:6); f) Changed the requirements for referenced documents (see 7:1:1, 8:2:1 of the:2010 version); g) Deleted winding insulation (see 7:3 of the:2010 edition); h) Changed the width of barrier-free passages and added requirements for passages between switchboard lines and circuit breaker passages (see 7:3,:2010 edition of 8:4); i) Delete the special requirements for the enclosure of the switchboard in the accommodation area (see 8:6 of the:2010 edition); j) Changed the installation requirements for batteries and battery packs (see Chapter 9, Chapter 10 of the:2010 edition); k) Added UPS installation requirements (see Chapter 10); l) Delete the requirements for discharge lamps with voltages higher than 250V (see 11:3 of the:2010 edition); m) The installation requirements for cabin electric heaters are deleted (see 12:3 of the:2010 edition); n) The requirements for heating cables have been changed (see 13:2, 13:2 of the:2010 edition); o) Changed the marking requirements for heating cables and heating equipment (see 13:3,:2010 version of 13:3); p) Changes to general requirements for cables and wires, installation, cable laying, cable clamping and binding, cable stuffing boxes, cable wiring, cable ladders Racks and brackets are added, and explosion-proof cable installation requirements, special requirements for cable installation for intrinsically safe systems, bending radius, joints and points are added: Requirements for branch circuits and cable transit systems, and requirements for equipment interconnection cables and wiring have been deleted (see Chapter 14, Chapter 5 of the:2010 edition); q) The content of exempted parts that should be grounded has been changed (see 15:2:1, 4:2:1 of the:2010 edition); r) Changed the dimension table of grounding conductors and equipment grounding (see 15:2:2, 4:2:2 of the:2010 edition); s) Added grounding requirements for metal enclosures, pipes and conduits or trunking and grounding requirements for hulls and equipment not seam welded to the structure (see 15:3:4, 15:3:5); t) The cross-sectional area of the equipotential bonding conductor has been changed (see 15:4:3, 4:4:3 of the:2010 edition); u) The requirements for galvanic corrosion protection have been changed (see 15:6, 4:6 of the:2010 edition); v) Changed the requirements for cable metal covering (see 15:7, 4:7 of the:2010 edition); w) Pipes and containers for heating, ventilation and air conditioning equipment are deleted (see 4:9 of the:2010 edition); x) The direct lightning protection system, lightning rod, and indirect lightning protection system have been changed (see Chapter 16, 16:2, 16:3 and 16:5 of the:2010 edition); y) Changed the test requirements for complete cables operating at 1kV and above (see 18:1:4, 17:2:4 of the:2010 edition); z) Added safety extra-low voltage and protective extra-low voltage tests (see 18:2): This document is equivalent to IEC 61892-6:2019 "Electrical installations for mobile and fixed offshore installations - Part 6: Installation": Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed and coordinated by the National Standardization Technical Committee for Ship Electrical and Electronic Equipment (SAC/TC531): This document was drafted by: Comprehensive Technical and Economic Research Institute of China State Shipbuilding Corporation, Shanghai Ship Research and Design Institute, CNOOC Research GENERAL HOSPITAL LIMITED: The main drafters of this document: Guo Ya, Xie Jiachun, Li Wei, Liu Yishe, Zhang Hui, Liu Guofeng, Wei Che, Zhao Chenning, Lai Junxing, Dong Lin, Liu Kaiqian, Wang Cong, Ma Fei, Zeng Hongli, Song Mengran, Yang Yuting, Shao Weidong: The previous versions of this document and the documents it replaces are as follows: ---First published in:2010 as GB/T 25444:6-2010; ---This is the first revision:IntroductionGB/T 25444 "Electrical Installations for Mobile and Fixed Offshore Facilities" aims to cover general requirements, system design, equipment, cables, mobile Facilities, installation and hazardous areas, etc:, proposed designs for electrical equipment in mobile and fixed offshore facilities used for petroleum exploration or extraction: Design, installation, maintenance and use requirements, applicable to pipelines, pumping stations or pipelines for drilling, production, accommodation, processing, oil storage and unloading in the offshore oil industry In-tube cleaning station, air compressor station and single buoy mooring facility: GB/T 25444 is planned to consist of seven parts: ---Part 1: General requirements and conditions: The purpose is to provide for mobile and fixed offshore installations used for petroleum exploration or extraction General requirements for electrical installations: ---Part 2: System Design: The purpose is to specify systems for mobile and fixed offshore installations used in petroleum exploration or extraction Design requirements: ---Part 3: Equipment: The purpose is to specify the design of equipment for mobile and fixed offshore installations used in petroleum exploration or extraction: and testing requirements: ---Part 4: Cables: The purpose is to provide for the electrical installation of mobile and fixed offshore installations used in petroleum exploration or extraction: Cable selection requirements: ---Part 5: Mobile facilities: The purpose is to provide for the electrical Additional features of the device: ---Part 6: Installation: The purpose is to provide for the electrical installation of mobile and fixed offshore installations used in petroleum exploration or extraction: installation requirements: ---Part 7: Hazardous areas: The purpose is to regulate the hazards of mobile and fixed offshore installations used for petroleum exploration or extraction: Area classification and selection requirements for electrical equipment in hazardous areas: GB/T 25444 aims to form a series of standards applicable to electrical equipment in the offshore petroleum industry, but is not limited to petroleum equipment: use: Electrical installations for mobile and fixed offshore installations Part 6: Installation1 ScopeThis document specifies the installation requirements for electrical installations on mobile and fixed offshore installations, including those used in offshore oil industry drilling, production Pipelines, pumping stations or pipeline cleaning stations, air compressor stations and single buoy mooring facilities for production, accommodation, processing, oil storage and unloading: This document specifies the following requirements: ---Protection during equipment storage and installation; ---Generator and motor installation; ---Transformer installation; ---Installation of complete sets of switchgear and control equipment; ---Semiconductor inverter and UPS installation; ---Battery and battery installation; ---Lighting installation; ---Installation of electric heaters and electric cookers; ---Installation of heat tracing and surface heating devices; ---Installation of low-voltage and high-voltage cables and wires; ---Grounding and bonding requirements; ---Lightning protection; ---Completion test; ---document: This document applies to all permanent, temporary, mobile or handheld AC and DC installations, regardless of voltage level: ginseng The equipment standards may provide voltage level restrictions: This document does not apply to the following devices: ---Medical fixed electrical devices; ---Electrical installation of liquid cargo ship; --- Ignition source control equipment other than ignition sources generated by electrical equipment: Note 1: IEC 60364-7-710 has specific requirements for medical rooms: The requirements for oil tankers are found in IEC 60092-502: Note 2: For guidance on the protection of non-electrical equipment, see ISO 80079-36, ISO 80079-37 and 6:7 of the IMO2009 MODU rules:2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 21714:3-2015 Lightning protection Part 3: Physical damage to buildings and danger to life (IEC 62305-3: 2010,IDT) IEC 60092-350:2020 Ship electrical installations Part 350: General structural and test requirements for ship power cables (Electri- ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 25444.6-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 25444.6-2023_English as soon as possible, and keep you informed of the progress. 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