This part of IEC 61892 is applicable to system design of electrical installations and equipment in mobile and fixed offshore units including pipeline, pumping or “pigging” stations, compressor stations and single buoy moorings, used in the offshore petroleum industry for drilling, production, accommodation, processing, storage and offloading purposes.<\/p>\n
It applies to all installations, whether permanent, temporary, transportable or hand-held, to AC installations and DC installations, without any voltage level limitation. Referenced equipment standards may give voltage level limitations.<\/p>\n
This document specifies requirements such as those concerning<\/p>\n
sources of electrical power for manned and unmanned units,<\/p>\n<\/li>\n
system earthing, both for low-voltage and high-voltage installations,<\/p>\n<\/li>\n
interface for electric transmission systems with power supplied from shore, between interconnected offshore units, and with power supplied by offshore units to subsea installations,<\/p>\n<\/li>\n
distribution systems,<\/p>\n<\/li>\n
cables and wiring systems,<\/p>\n<\/li>\n
system studies and calculations,<\/p>\n<\/li>\n
protection against electrical faults,<\/p>\n<\/li>\n
lighting,<\/p>\n<\/li>\n
energy control, monitoring and alarm systems, and<\/p>\n<\/li>\n
turret\/swivel.<\/p>\n<\/li>\n<\/ul>\n
This document gives information and guidance on topics such as<\/p>\n
applicable examples of HVDC VSC technology, and<\/p>\n<\/li>\n
guidelines for illumination level.<\/p>\n<\/li>\n<\/ul>\n
This document does not apply to<\/p>\n
fixed equipment for medical purposes,<\/p>\n<\/li>\n
electrical installations of tankers, and<\/p>\n<\/li>\n
control of ignition sources other than those created by electrical equipment.<\/p>\n<\/li>\n<\/ul>\n
\nNOTE 1 For medical rooms, IEC 60364-7-710 provides specific requirements. Requirements for tankers are given in IEC 60092-502.<\/p>\n
NOTE 2 Guidance on protection of non-electrical equipment can be found in ISO 80079-36, ISO 80079-37 and IMO 2009 MODU Code, 6.7.<\/p>\n<\/blockquote>\n
PDF Catalog<\/h4>\n
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\n PDF Pages<\/th>\n PDF Title<\/th>\n<\/tr>\n \n 2<\/td>\n undefined <\/td>\n<\/tr>\n \n 4<\/td>\n English
CONTENTS <\/td>\n<\/tr>\n\n 10<\/td>\n FOREWORD <\/td>\n<\/tr>\n \n 12<\/td>\n INTRODUCTION <\/td>\n<\/tr>\n \n 13<\/td>\n 1 Scope <\/td>\n<\/tr>\n \n 14<\/td>\n 2 Normative references <\/td>\n<\/tr>\n \n 15<\/td>\n 3 Terms, definitions and abbreviated terms
3.1 Terms and definitions <\/td>\n<\/tr>\n\n 17<\/td>\n Figures
Figure 1 \u2013 Continuity of supply\/continuity of service <\/td>\n<\/tr>\n\n 22<\/td>\n 3.2 Abbreviated terms
4 Sources of electrical power for manned units
4.1 General <\/td>\n<\/tr>\n\n 23<\/td>\n 4.2 Main sources of electrical power
4.2.1 Common requirements
Figure 2 \u2013 Power system hierarchy in an offshore unit <\/td>\n<\/tr>\n\n 24<\/td>\n 4.2.2 Capacity of main and essential power source
4.2.3 Load shedding arrangement <\/td>\n<\/tr>\n\n 25<\/td>\n 4.3 Essential source of electrical power
4.4 Emergency source of electrical power <\/td>\n<\/tr>\n\n 28<\/td>\n 4.5 Starting arrangements for emergency generators <\/td>\n<\/tr>\n \n 29<\/td>\n 4.6 Additional requirements for periodically unattended machinery spaces
4.7 Uninterruptible power system (UPS) source of power
4.7.1 General <\/td>\n<\/tr>\n\n 30<\/td>\n 4.7.2 UPS functionality \u2013 Uninterruptible source of power for critical\/sensitive loads
4.7.3 UPS \u2013 Design planning issues <\/td>\n<\/tr>\n\n 32<\/td>\n 4.8 Transmission systems including main power from shore <\/td>\n<\/tr>\n \n 33<\/td>\n 4.9 Alternative sources of power <\/td>\n<\/tr>\n \n 34<\/td>\n 5 Sources of electrical power for unmanned units
5.1 General
5.2 Power sources
5.2.1 Sources to be evaluated
5.2.2 Cable from other unit or from shore
5.2.3 Local generator (gas or diesel)
5.2.4 Alternative sources of power <\/td>\n<\/tr>\n\n 35<\/td>\n 5.2.5 UPS
5.3 Factors affecting power supply requirements
6 System earthing
6.1 General requirements <\/td>\n<\/tr>\n\n 36<\/td>\n 6.2 Neutral earthing for systems up to and including 1 000 V AC
6.3 Neutral earthing for systems above 1 000 V AC <\/td>\n<\/tr>\n\n 37<\/td>\n 6.4 Parallel operated power sources
6.5 Earthing resistors, connection to hull\/structure <\/td>\n<\/tr>\n\n 38<\/td>\n 7 Distribution systems
7.1 DC distribution systems
7.1.1 Types of distribution systems
Tables
Table 1 \u2013 Summary of principal features of the neutral earthing methods <\/td>\n<\/tr>\n\n 39<\/td>\n 7.1.2 TN DC systems <\/td>\n<\/tr>\n \n 40<\/td>\n Figure 3 \u2013 TN-S DC system <\/td>\n<\/tr>\n \n 41<\/td>\n Figure 4 \u2013 TN-C DC system <\/td>\n<\/tr>\n \n 42<\/td>\n 7.1.3 IT DC systems
Figure 5 \u2013 TN-C-S DC system <\/td>\n<\/tr>\n\n 43<\/td>\n 7.1.4 DC voltages
Figure 6 \u2013 IT DC system
Table 2 \u2013 Voltages for DC systems <\/td>\n<\/tr>\n\n 44<\/td>\n 7.2 AC distribution systems
7.2.1 Primary AC distribution systems
7.2.2 Secondary AC distribution systems
7.2.3 TN AC systems <\/td>\n<\/tr>\n\n 45<\/td>\n Figure 7 \u2013 TN-S AC system
Figure 8 \u2013 TN-C-S AC system <\/td>\n<\/tr>\n\n 46<\/td>\n 7.2.4 IT AC systems
7.2.5 AC voltages and frequencies
Figure 9 \u2013 TN-C AC system
Figure 10 \u2013 IT AC system <\/td>\n<\/tr>\n\n 47<\/td>\n Table 3 \u2013 AC systems having a nominal voltage between 100 V and 1 000 V inclusive and related equipment <\/td>\n<\/tr>\n \n 48<\/td>\n 7.2.6 Earthing systems
8 Distribution system requirements
8.1 Methods of distribution
Table 4 \u2013 AC three-phase systems having a nominal voltage above 1 kV and not exceeding 35 kV and related equipment a <\/td>\n<\/tr>\n\n 49<\/td>\n 8.2 Balance of loads
8.2.1 Balance of load on three-wire DC systems
8.2.2 Balance of loads in three- or four-wire AC systems
8.3 Final circuits
8.3.1 General
8.3.2 Final circuits for lighting
8.3.3 Final circuits for heating
8.3.4 Final circuits for sockets <\/td>\n<\/tr>\n\n 50<\/td>\n 8.4 Control circuits
8.4.1 Supply systems and nominal voltages
8.4.2 Circuit design
8.4.3 Protection <\/td>\n<\/tr>\n\n 51<\/td>\n 8.4.4 Arrangement of circuits
8.5 Motor circuits
8.5.1 Starting of motors <\/td>\n<\/tr>\n\n 52<\/td>\n 8.5.2 Means of disconnection
8.5.3 Starters remote from motors
8.6 Isolation of supply to galley
9 Cables and wiring systems
9.1 Cables <\/td>\n<\/tr>\n\n 53<\/td>\n 9.2 Voltage drop
9.3 Demand factors
9.3.1 Final circuits
9.3.2 Circuits other than final circuits
9.3.3 Application of diversity and demand factors
9.4 Motor circuits <\/td>\n<\/tr>\n\n 54<\/td>\n 9.5 Cross-sectional areas of conductors
9.6 Correction factors for cable grouping
9.7 Separation of circuits <\/td>\n<\/tr>\n\n 55<\/td>\n 10 System study and calculations
10.1 Electrical studies \u2013 General <\/td>\n<\/tr>\n\n 56<\/td>\n 10.2 Electrical load study <\/td>\n<\/tr>\n \n 57<\/td>\n 10.3 Load flow calculations <\/td>\n<\/tr>\n \n 58<\/td>\n 10.4 Short-circuit calculations <\/td>\n<\/tr>\n \n 60<\/td>\n 10.5 Protection and discrimination study <\/td>\n<\/tr>\n \n 61<\/td>\n 10.6 Power system dynamic calculations <\/td>\n<\/tr>\n \n 63<\/td>\n 10.7 Calculation of harmonic currents and voltages
11 Protection
11.1 General <\/td>\n<\/tr>\n\n 64<\/td>\n 11.2 Characteristics and choice of protective devices with reference to short-circuit rating
11.2.1 General
11.2.2 Protective devices <\/td>\n<\/tr>\n\n 65<\/td>\n 11.2.3 Backup protection
11.2.4 Rated short-circuit breaking capacity <\/td>\n<\/tr>\n\n 66<\/td>\n 11.2.5 Rated short-circuit making capacity
Figure 11 \u2013 Use of FCL in emergency switchboard <\/td>\n<\/tr>\n\n 67<\/td>\n 11.2.6 Co-ordinated choice of protective devices with regard to discrimination requirements
11.3 Choice of protective devices with reference to overload
11.3.1 Protective devices
11.3.2 Fuses for overload protection
11.4 Choice of protective devices with regard to their application
11.4.1 General
11.4.2 Generator protection <\/td>\n<\/tr>\n\n 68<\/td>\n 11.4.3 Protection of UPS <\/td>\n<\/tr>\n \n 69<\/td>\n 11.4.4 Protection of transformers
11.4.5 Transformers \u2013 Isolation of windings
11.4.6 Circuit protection
11.4.7 Motor protection <\/td>\n<\/tr>\n\n 70<\/td>\n 11.4.8 Protection of lighting circuits
11.4.9 Protection of power from external sources
11.4.10 Secondary cells and battery protection
11.4.11 Protection of static or solid-state devices <\/td>\n<\/tr>\n\n 71<\/td>\n 11.4.12 Protection for heat tracing systems
11.5 Undervoltage protection
11.5.1 Generators
11.5.2 AC and DC motors
11.6 Overvoltage protection
11.6.1 General
11.6.2 AC machines
11.6.3 DC networks <\/td>\n<\/tr>\n\n 72<\/td>\n 12 Lighting
12.1 General
12.2 General lighting system
12.3 Emergency lighting system <\/td>\n<\/tr>\n\n 73<\/td>\n 12.4 Escape lighting system
12.5 Lighting circuits in machinery spaces, accommodation spaces, open deck spaces, etc.
12.6 Navigation and obstruction signals and lights <\/td>\n<\/tr>\n\n 74<\/td>\n 13 Energy control, monitoring and alarm system
13.1 General
13.2 Alarm system
13.3 Network topology
13.4 Router communication
13.5 Communication protocols <\/td>\n<\/tr>\n\n 75<\/td>\n 13.6 Monitoring and fault diagnosis
13.7 Cybersecurity
13.8 Energy management and control systems (EMCS)
13.8.1 General
13.8.2 EMCS architecture <\/td>\n<\/tr>\n\n 76<\/td>\n 13.8.3 Interaction with protection system
13.8.4 Performance
13.9 Electromagnetic compatibility <\/td>\n<\/tr>\n\n 77<\/td>\n 13.10 Time identification and event logs
13.11 Remote controls
13.11.1 Continuous status information
13.11.2 Independent control
13.11.3 Exclusive control
13.11.4 Interlocks in operative command
13.12 Human-machine interface
13.13 Emergency stop
13.14 Automatic control of electrical power sources
13.14.1 Initiation of starting commands <\/td>\n<\/tr>\n\n 78<\/td>\n 13.14.2 Pre-starting conditions
13.14.3 Standby indication
13.15 Automatic connecting onto a dead busbar
13.15.1 Connection at blackout
13.15.2 Short-circuit
13.16 Delayed disconnection
13.17 Automatic starting arrangements for electrical motor-driven auxiliaries
13.17.1 Prevention of overload via sequential restart
13.17.2 Start inhibit
13.18 General alarm systems
13.18.1 Audibility <\/td>\n<\/tr>\n\n 79<\/td>\n 13.18.2 Minimum sound level
13.18.3 Fault tolerance
13.18.4 Power supplies
13.19 System integration
13.19.1 Alarm functions
13.19.2 Essential and emergency control functions <\/td>\n<\/tr>\n\n 80<\/td>\n 13.20 Software
13.20.1 Version control of software
13.20.2 Configuration \u2013 Support functions
13.20.3 Documentation <\/td>\n<\/tr>\n\n 81<\/td>\n 13.21 Tests
13.21.1 General
13.21.2 Hardware
13.21.3 Software
13.21.4 System testing <\/td>\n<\/tr>\n\n 82<\/td>\n 14 Special facilities \u2013 Swivel\/turret
14.1 Standards, codes and regulations
14.2 Bonding and protective earthing of power swivel <\/td>\n<\/tr>\n\n 83<\/td>\n Annexes
Annex A (informative) Essential source of electrical power <\/td>\n<\/tr>\n\n 84<\/td>\n Annex B (informative) Emergency source of electrical power <\/td>\n<\/tr>\n \n 85<\/td>\n Annex C (informative) Applicable examples of HVDC VSC technologies <\/td>\n<\/tr>\n \n 86<\/td>\n Figure C.1 \u2013 Typical HVDC VSC transmission between onshore grid and offshore petroleum unit; symmetric monopole
Figure C.2 \u2013 Typical symmetric and asymmetric monopole andbipole HVDC VSC arrangement <\/td>\n<\/tr>\n\n 88<\/td>\n Figure C.3 \u2013 Principle drawings of possible topology arrangements for two-level (left) and multi-level (right) types with indication of corresponding filtered (blue) and non\ufffdfiltered (green) output voltage wave forms <\/td>\n<\/tr>\n \n 89<\/td>\n Annex D (informative) Swivel\/turret
D.1 General
D.2 Swivel design and service location <\/td>\n<\/tr>\n\n 90<\/td>\n D.3 Fault exposure of high-voltage electrical swivels
D.4 Enclosure and purging system
D.5 Ingress protection <\/td>\n<\/tr>\n\n 91<\/td>\n D.6 Anti-condensation
D.7 Inspection and functional testing of swivel unit <\/td>\n<\/tr>\n\n 92<\/td>\n Annex E (informative) Guidelines for design of unmanned units
E.1 Factors affecting power supply requirements
E.2 Guideline for defining power sources requirement
E.2.1 One main power supply and UPS <\/td>\n<\/tr>\n\n 93<\/td>\n E.2.2 One emergency power supply and UPS
E.2.3 One main power supply, one emergency power supply and UPS
E.2.4 Renewable sources of energy <\/td>\n<\/tr>\n\n 94<\/td>\n E.3 Layout
E.4 Switchboard arrangements <\/td>\n<\/tr>\n\n 95<\/td>\n Figure E.1 \u2013 Example of electrical arrangement for an unmanned unit <\/td>\n<\/tr>\n \n 96<\/td>\n E.5 High-voltage equipment
Figure E.2 \u2013 Example of electrical arrangement for an unmanned unit
Figure E.3 \u2013 Example of electrical arrangement for an unmanned unit <\/td>\n<\/tr>\n\n 97<\/td>\n E.6 Lighting system <\/td>\n<\/tr>\n \n 98<\/td>\n Annex F (informative) Alternative sources of electrical power
F.1 General
F.2 Photovoltaic system <\/td>\n<\/tr>\n\n 99<\/td>\n F.3 Wind turbine system
Figure F.1 \u2013 PV Power generating system \u2013 Major functional elements, subsystems and power flow diagram <\/td>\n<\/tr>\n\n 100<\/td>\n Figure F.2 \u2013 Typical diagram for the island function of a wind generation system \u2013 Unmanned unit <\/td>\n<\/tr>\n \n 101<\/td>\n Figure F.3 \u2013 Typical diagram for the island function of a wind generation system \u2013 Manned unit <\/td>\n<\/tr>\n \n 102<\/td>\n F.4 Microturbines
Figure F.4 \u2013 Microturbine typical block diagram <\/td>\n<\/tr>\n\n 103<\/td>\n F.5 Closed cycle vapour turbines (CCVT)
Figure F.5 \u2013 CCVT operating principle block diagram <\/td>\n<\/tr>\n\n 104<\/td>\n F.6 Thermoelectric generators (TEG)
Figure F.6 \u2013 Typical diagram for the thermoelectric generation system (TEG) <\/td>\n<\/tr>\n\n 106<\/td>\n Annex G (informative) Illumination level
G.1 General illumination level
G.2 Emergency lighting
G.3 Escape lighting
Table G.1 \u2013 General lighting illumination levels <\/td>\n<\/tr>\n\n 107<\/td>\n G.4 Verification of lighting level
Table G.2 \u2013 Recommended measuring points for measuring illumination in an area <\/td>\n<\/tr>\n\n 108<\/td>\n Annex H (informative) Enhanced software simulation
H.1 General
H.2 Scope of HiL testing
H.3 Schedule and work process
H.4 Requirements relating to the control system vendor or system integrator <\/td>\n<\/tr>\n\n 109<\/td>\n H.5 Documentation and approval <\/td>\n<\/tr>\n \n 110<\/td>\n Annex I (informative) Architecture for energy control, monitoring and alarm system \u2013 Level reference and segmentation architecture
Figure I.1 \u2013 IEC 62443 reference architecture <\/td>\n<\/tr>\n\n 111<\/td>\n Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Mobile and fixed offshore units. Electrical installations – System design<\/b><\/p>\n
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\n Published By<\/td>\n Publication Date<\/td>\n Number of Pages<\/td>\n<\/tr>\n \n BSI<\/b><\/a><\/td>\n 2019<\/td>\n 114<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":250345,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[552,2641],"product_tag":[],"class_list":{"0":"post-250341","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-29-260-99","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/250341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/250345"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=250341"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=250341"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=250341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}