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14、 their own responsibility. Further information may be obtained from the IEEE Standards Association. Participants At the time this IEEE recommended practice was completed, the Shipboard Electrical InstallationsSwitchboard Working Group had the following membership: Steven Liggio, Chair John Winbery,
15、Vice Chair Arthur Currier Bob Jones Stefan Stan Diana Zimmerman The following members of the individual balloting committee voted on this recommended practice. Balloters may have voted for approval, disapproval, or abstention. Dwight Alexander Michael Bayer Paul Bishop Rudy Bright William Bush Willi
16、am Byrd Eldridge Byron Keith Chow Norbert Doerry Gary Donner Marcia Eblen Randall Groves Lee Herron Werner Hoelzl Ronald Hotchkiss Mohammed Islam Piotr Karocki John Kay Tanuj Khandelwal Yuri Khersonsky Joseph L. Koepfinger Saumen Kundu Steven Liggio Greg Luri William McBride David T. Mills Dennis Ne
17、itzel Michael S. Newman Lorraine Padden Richard Paes Sergio A. Panetta James K. Phillips Iulian Profir Vincent Saporita Gary Savage Bartien Sayogo Robert Seitz Gil Shultz James Smith Michael Steurer Peter Sutherland John Vergis When the IEEE-SA Standards Board approved this recommended practice on 2
18、9 March 2012, it had the following membership: Richard H. Hulett, Chair John Kulick, Vice Chair Robert M. Grow, Past President Judith Gorman, Secretary Satish Aggarwal Masayuki Ariyoshi Peter Balma William Bartley Ted Burse Clint Chaplin Wael Diab Jean-Philippe Faure Alexander Gelman Paul Houz Jim H
19、ughes Joseph L. Koepfinger* David J. Law Thomas Lee Hung Ling Oleg Logvinov Ted Olsen Gary Robinson Jon Walter Rosdahl Sam Sciacca Mike Seavey Yatin Trivedi Phil Winston Don Wright *Member Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Richard DeBlasio, DOE Repr
20、esentative Michael Janezic, NIST Representative Don Messina IEEE Standards Program Manager, Document Development Erin Spiewak IEEE Standards Program Manager, Technical Program Development Copyright 2012 IEEE. All rights reserved. viContents 1. Overview 1 1.1 Scope . 1 1.2 Purpose 2 1.3 Limitations.
21、2 1.4 Word usage 2 2. Normative references 2 3. Definitions 4 3.1 Acronyms and abbreviations . 4 4. generator control, instrumentation, and protectiongeneral. 5 AC4.1 Overload and short-circuit protection 5 4.2 Reverse power protection 5 4.3 Undervoltage and overvoltage sensing relays 6 4.4 Underfre
22、quency and overfrequency sensing relays .6 4.5 Synchronizing and paralleling controls . 6 4.6 Ground-fault detection and insulation monitoring. 6 4.7 Neutral grounding 7 4.8 Control voltage 7 4.9 Special considerations . 8 4.10 Multiple generator applications . 8 4.11 Instrumentation 8 4.12 Miscella
23、neous controls 9 5. switchboardsgeneral. 10 AC5.1 Circuit breakers 11 5.2 Switchboard operation criteria. 12 5.3 Installation and location. 12 5.4 Switchboard mounted devicesapplication requirements 14 5.5 Temperatures . 14 5.6 Arrangement of switchboard components . 14 5.7 Conductor overload and sh
24、ort-circuit protection . 15 5.8 Shore power. 15 5.9 Equipment bonding 16 5.10 Switchboard phase and ground bus . 16 5.11 Power cable terminations in switchboards. 19 5.12 Instrument and control wire field terminations 19 5.13 Nameplates 20 5.14 Switchboard testing . 20 5.15 Emergency switchboards. 2
25、0 6. Low-voltage switchboards (600 Vac and less for ANSI; 1000 Vac and less for IEC)description and requirements . 20 6.1 Standards . 20 6.2 Construction 21 6.3 Circuit breakers 21 6.4 Power and control wiring. 21 7. Medium-voltage switchgear (1000 Vac 15 kVac) description and requirements 22 7.1 St
26、andards . 22 Copyright 2012 IEEE. All rights reserved. viiCopyright 2012 IEEE. All rights reserved. viii7.2 Construction 22 7.3 Accessories 23 7.4 Miscellaneous requirements 23 Annex A (informative) Bibliography . 24 IEEE Recommended Practice for Electrical Installations on ShipboardAC Switchboards
27、IMPORTANT NOTICE: IEEE Standards documents are not intended to ensure safety, health, or environmental protection, or ensure against interference with or from other devices or networks. Implementers of IEEE Standards documents are responsible for determining and complying with all appropriate safety
28、, security, environmental, health, and interference protection practices and all applicable laws and regulations. This IEEE document is made available for use subject to important notices and legal disclaimers. These notices and disclaimers appear in all publications containing this document and may
29、 be found under the heading “Important Notice” or “Important Notices and Disclaimers Concerning IEEE Documents.” They can also be obtained on request from IEEE or viewed at http:/standards.ieee.org/IPR/disclaimers.html. 1. Overview IEEE 45 has grown due to new technology and methods. As a result, th
30、e document is being divided into a top-level document (IEEE Std 45-2002) and seven sub-documents IEEE Std 45.1 through IEEE Std 45.7. This document addresses the recommended practice for shipboard electric systems integration. 1.1 Scope Design, installation, and testing recommendations for generator
31、 control panels and switchboards on ship are established by this document. These recommendations reflect the present-day technologies, engineering methods, and engineering practices. This document is intended to be used in conjunction with IEEE Std 45-2002, IEEE Recommended Practice for Electric Ins
32、tallations on Shipboard. Copyright 2012 IEEE. All rights reserved. 1IEEE Std 45.7-2012 IEEE Recommended Practice for Electrical Installations on ShipboardAC Switchboards 1.2 Purpose The main purpose of this recommended practice is to supplement the design, installation, and testing recommendations i
33、n IEEE Std 45-2002. This recommended practice provides new technologies and design practices for generator control panels and switchboards to aid marine electrical engineers in the design, application and installation of this equipment on ships and other marine installations. 1.3 Limitations This do
34、cument provides the recommended practice for the design, installation and testing of ac switchboards. It does not include recommendations for dc switchboards or switchboards rated above 15 kV. 1.4 Word usage In this document, the word “shall” is used to indicate mandatory requirements. The word “sho
35、uld” is used to indicate a recommendation. The word “may” is used to indicate a permissible action. The word “can” is used for statements of possibility and capability. 2. Normative references The following referenced documents are indispensable for the application of this document (i.e., they must
36、be understood and used, so each referenced document is cited in text and its relationship to this document is explained). For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments or corrigenda) applies. IEC
37、60044, Instrument Transformers.1IEC 60056, High-Voltage Alternating-Current Circuit-Breakers. IEC 60185, Current Transformers. IEC 60298, A.C. Metal-Enclosed Switchgear and Controlgear for Rated Voltages Above 1 kV and Up to and Including 52 kV. IEC 60332-1, Tests on Electric and Optical Fibre Cable
38、s Under Fire Conditions. IEC 60439-1, Low-Voltage Switchgear and Controlgear AssembliesPart 1: Type-Tested and Partially Type-Tested Assemblies. IEC 60439-2, Low-Voltage Switchgear and Controlgear Assemblies. Part 2: Particular Requirements for Busbar Trunking Systems (Busways). IEC 60470, High-Volt
39、age Alternating Current Contactors and Contactor-Based Motor-Starters. 1IEC publications are available from the International Electrotechnical Commission (http:/www.iec.ch/). IEC publications are also available in the United States from the American National Standards Institute (http:/www.ansi.org/)
40、. Copyright 2012 IEEE. All rights reserved. 2IEEE Std 45.7-2012 IEEE Recommended Practice for Electrical Installations on ShipboardAC Switchboards IEC 60502-1, Power Cables with Extruded Insulation and Their Accessories for Rated Voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV)Part 1: Cable
41、s for Rated Voltages of 1 kV (Um = 1,2 kV) and 3 kV (Um = 3,6 kV). IEC 60694, Common Specifications for High-Voltage Switchgear and Controlgear Standards. IEC 60947-2, Low-Voltage Switchgear and ControlgearPart 2: Circuit-Breakers. IEC 62271, High-Voltage Switchgear and Controlgear. IEEE Std 45TM-20
42、02, IEEE Recommended Practice for Electrical Installations on Shipboard.2, 3IEEE Std 48TM, IEEE Standard for Test Procedures and Requirements for Alternating-Current Cable Terminations Used on Shielded Cables Having Laminated Insulation Rated 2.5 kV through 765 kV or Extruded Insulation Rated 2.5 kV
43、 through 500 kV. IEEE Std 242TM, IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems. IEEE Std 576TM, IEEE Recommended Practice for Installation, Termination, and Testing of Insulated Power Cable as Used in the Petroleum and Chemical Industry. IEEE St
44、d 1580TM, IEEE Recommended Practice for Marine Cable for Use on Shipboard and Fixed or Floating Platforms. IEEE Std C37.04TM, IEEE Standard for Rating Structure for AC High-Voltage Circuit Breakers. IEEE Std C37.13TM, IEEE Standard for Definite-Purpose Switching Devices for Use in Metal-Enclosed Low
45、-Voltage Power Circuit Breaker Switchgear. IEEE Std C37.20.1TM, IEEE Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear. IEEE Std C37.20.2TM, IEEE Standard for Metal-Clad Switchgear. IEEE Std C37.20.7TM, IEEE Guide for Testing Metal-Enclosed Switchgear Rated Up to 38 kV for Int
46、ernal Arcing Faults. IEEE Std C57.13TM, IEEE Standard Requirements for Instrument Transformers. NFPA 70E, Standard for Electrical Safety in the Workplace.4UL 347, Medium-Voltage AC Contactors, Controllers, and Control Centers.5UL 489, Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Br
47、eaker Enclosures. UL 891, Dead-Front Switchboards. UL 1558, Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear. 2The IEEE standards or products referred to in this clause are trademarks of The Institute of Electrical and Electronics Engineers, Inc. 3IEEE publications are available from The
48、Institute of Electrical and Electronics Engineers (http:/standards.ieee.org/). 4NFPA publications are available from the National Fire Protection Association (http:/www.nfpa.org/). 5UL standards are available from Global Engineering Documents (http:/ Copyright 2012 IEEE. All rights reserved. 3IEEE S
49、td 45.7-2012 IEEE Recommended Practice for Electrical Installations on ShipboardAC Switchboards 3. Definitions For the purposes of this document, the following terms and definitions apply. The IEEE Standards Dictionary: Glossary of Terms and Definitions6should be consulted for terms not defined in this clause. auxiliary machinery space: Spaces containing ship-service or mission machinery, but located outside of the main machinery casing. main machinery space: A space generally confined by the fire-proof boundary of the machinery ca
