1、 IEEE Standard for the Design and Qualification of Class 1E Control Boards, Panels, and Racks Used in Nuclear Power Generating Stations Sponsored by the Nuclear Power Engineering Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA IEEE Power and Energy Society IEEE Std 420-2013(Revision of IEEE
2、 Std 420-2001) IEEE Std 420-2013 (Revision of IEEE Std 420-2001) IEEE Standard for the Design and Qualification of Class 1E Control Boards, Panels, and Racks Used in Nuclear Power Generating Stations Sponsor Nuclear Power Engineering Committee of the IEEE Power and Energy Society Approved 3 May 2013
3、 IEEE-SA Standards Board Abstract: Design requirements for new and/or modified Class 1E control boards, panels, and racks are specified, and methods to verify that these requirements have been satisfied are established in this standard. Methods for meeting the separation criteria contained in IEEE S
4、td 384TMare addressed. Qualification is also included to address the overall requirements of IEEE Std 323TMand recommendations of IEEE Std 344TM. Keywords: cables, control boards, fiber optic cables, IEEE 420TM, independence, isolation, nuclear, panels, qualification, racks, safety, separation, wiri
5、ng The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2013 by The Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 5 June 2013. Printed in the United States of America. IEEE is a registered trademark
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18、ng agreements are reasonable or non-discriminatory. Users of this standard are expressly advised that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Ass
19、ociation. Copyright 2013 IEEE. All rights reserved. vi Participants At the time this IEEE standard was completed, the SC 6.5 Working Group had the following membership: Paul L. Yanosy, Sr., Chair Ijaz Ahmad Patrick Grove Randy Jamison Mark Walsh Also, at the time this revised standard was completed,
20、 Subcommittee 6 (Safety Related Systems) under the Nuclear Power Engineering Committee had the following membership. David L. Harrell, Chair Greg Hostetter, Vice Chair Royce Beacom, Secretary Ijaz Ahmad Wes Bowers* Samir Darbali Patrick Grove Ron Greenthaler Daryl Harmon David A. Horvath Randy Jamis
21、on Sandy Jannetty Ron Jarrett Gary Johnson Jason Karns Alex Klemptner Barry Marcus Phil McClure Kirk Melson Michael H. Miller Frank Novak Warren Odess-Gillett Steve Rakitin Ifti Rana Mark F. Santschi Ed Schindhelm Rich Stattel Mark Stofko Masafumi Utsumi Nick Vilione Mark Walsh Michael Waterman Stev
22、e Wyman Paul L. Yansoy, Sr. Won Young Yun Deanna Zhang*Non-voting member Moreover, at the time this revised standard was completed, the Nuclear Power Engineering Committee had the following membership. George A. Ballassi, Chair James Parello, Vice Chair Stephen Fleger, Secretary Ijaz Ahmad Dheya Al-
23、Othmany George Attarian Farouk D. Baxter* Royce Beacom Mark D. Bowman Daniel F. Brosnan Nissen M. Burstein Keith Bush Robert C. Carruth John P. Carter Suresh Channarasappa Dennis Dellinger David R. Desaulniers John Disosway Walter F. Emerson Robert J. Fletcher Robert Francis Robert B. Fuld David Gla
24、dey James F. Gleason Dale T. Goodney Robert Hall Kuljit Hara Daryl Harmon Dirk C. Hopp David A. Horvath Paul R. Johnson Christopher J. Kerr Bok-Ryul Kim Thomas Koshy James K. Liming Bruce A. Lord John D. MacDonald J. Scott Malcolm Alexander Marion* Michael H. Miller Edward R. Mohtashemi Yasushi Naka
25、gawa Julius Persensky* Ted Riccio Mark F. Santschi Glen E. Schinzel Zdenko Simic James E. Stoner, Jr.* Marek Tengler James E. Thomas Masafumi Utsumi Michael Waterman Edward Wenzinger John White Paul L. Yanosy, Sr. Won Young Yun Oon-Pyo Zhu *Non-voting member Copyright 2013 IEEE. All rights reserved.
26、 vii The following members of the individual balloting committee voted on this standard. Balloters may have voted for approval, disapproval, or abstention. Satish Aggarwal George A. Ballassi Thomas Brewington Bill Brown Nissen M. Burstein Suresh Channarasappa Garry Chapman Dennis Dellinger John Diso
27、sway Stephen Fleger Robert J. Fletcher Randall Groves Ajit Gwal Daryl Harmon David Herrell Werner Hoelzl Peter Hung Piotr Karocki Yuri Khersonsky Chad Kiger Robert Konnik Chung-Yiu Lam Greg Luri John D. MacDonald Michael May Omar Mazzoni John Merando Michael S. Newman Warren Odess-Gillett Mirko Pala
28、zzo Jan Pirrong Bartien Sayogo Glen E. Schinzel James Smith Rebecca Steinman Gary Stoedter John Vergis Michael Waterman Kenneth White Paul L. Yanosy, Sr. Shuhui Zhang When the IEEE-SA Standards Board approved this standard on 3 May 2013, it had the following membership: John Kulick, Chair David J. L
29、aw, Vice Chair Richard H. Hulett, Past Chair Konstantinos Karachalios, Secretary Masayuki Ariyoshi Peter Balma Farooq Bari Ted Burse Wael William Diab Stephen Dukes Jean-Philippe Faure Alexander Gelman Mark Halpin Gary Hoffman Paul Houz Jim Hughes Michael Janezic Joseph L. Koepfinger* Oleg Logvinov
30、Ron Petersen Gary Robinson Jon Walter Rosdahl Adrian Stephens Peter Sutherland Yatin Trivedi Phil Winston Yu Yuan *Member Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Richard DeBlasio, DOE Representative Michael Janezic, NIST Representative Julie Alessi IEEE S
31、tandards Program Manager, Document Development Malia Zaman IEEE Standards Program Manager, Technical Program Development Copyright 2013 IEEE. All rights reserved. viii Introduction This introduction is not part of IEEE Std 420-2013, IEEE Standard for the Design and Qualification of Class 1E Control
32、Boards, Panels, and Racks Used in Nuclear Power Generating Stations. IEEE Std 420TMwas originally prepared in 1973 and revised in 1982 by the Power Generation Committee of the IEEE Power Engineering Society. Based on the activities and scope of that committee and those of the IEEE Nuclear Power Engi
33、neering Committee (NPEC), in 1994 the responsibility for the standard was transferred to NPEC, specifically to NPEC Subcommittee 6, Working Group 6.5. The separation, isolation, and independence requirements in IEEE Std 420TMare maintained consistent with IEEE Std 384TM. IEEE Std 420TMprovides the r
34、equirements for the design and qualification of Class 1E control boards, panels, and racks. It may also be applied to modifications to control boards, panels, and racks installed in existing plants. This standard is not intended to define the selection, design, or qualification of piping, modules, o
35、r other equipment mounted on the Class 1E control boards, panels, or racks. However, it is concerned with the effect that such mounted equipment has on the design and qualification of Class 1E control boards, panels, or racks. The selection, design, and qualification of piping, modules, and other eq
36、uipment are covered by other standards. The purpose of this revision is to address the following: a) Update the standard to reflect the separation and independence requirements from IEEE Std 384TM-2008 including fiber optic circuits b) update references c) address comments received during the reaffi
37、rmation ballot d) consider additional EMI/RFI wiring practices e) incorporate user feedback The working group reviewed the fiber optic separation criteria changes in IEEE Std 384TM-2008 and concluded that no additional fiber optic separation criteria is required in IEEE Std 420TM. In addition, speci
38、fic criteria were added to 4.7. The working group reviewed the effects of electromagnetic interference/radio frequency interference (EMI/RFI) to determine the need for additional wiring practices. EMI/RFI was recognized as an effect that could be addressed through qualification of equipment, physica
39、l arrangement of equipment and systems in the plant, or maintenance and testing. A panel session was sponsored on January 26, 2005, by the Nuclear Power Engineering Committee (NPEC) including representatives from Electric Power Research Institute (EPRI), equipment manufacturers, the Nuclear Regulato
40、ry Commission (NRC), and an independent consultant in the field. Results of the panel session were reviewed by a committee of representatives from the Subcommittee on Qualifications (SC2), the Subcommittee on Operations, Maintenance, Aging, and Testing (SC3), and the Subcommittee on Safety Related S
41、ystems (SC6). The committees final recommendation, as approved by NPEC on August 3, 2005, was that no new standard was warranted to address EMI/RFI. Instead, additional guidance for mitigating EMI/RFI should be included in Annex B of IEEE Std 603TMand referenced by other standards. Subclause 4.8 pro
42、vides general guidance to address the effects of EMI/RFI. This revision now makes reference to IEEE Std 603TMfor further specific guidance. The qualification requirements have been updated to delete requirements that conflicted with or duplicated the requirements in IEEE Std 323TMand the recommendat
43、ions in IEEE Std 344TMand maintained the recommendations that were specific to control boards, panels, and racks. Other clauses of this standard have been reviewed, and many editorial improvements have been made including updating the standard to the latest IEEE Standards Style Manual. Copyright 201
44、3 IEEE. All rights reserved. ix Contents 1. Overview 1 1.1 Scope . 1 1.2 Purpose 1 2. Normative references 2 3. Definitions 2 4. Design considerations . 3 4.1 Human factors 3 4.2 Seismic 3 4.3 Independence . 4 4.4 Control of combustibles . 5 4.5 Environmental considerations . 5 4.6 Cable and wire se
45、lection 6 4.7 Wiring practices . 6 4.8 Electromagnetic interference/radio frequency interference (EMI/RFI) . 7 4.9 Identification 7 4.10 Other design considerations . 7 5. Environmental and seismic qualification 8 5.1 Environmental qualification 8 5.2 Seismic qualification . 9 5.3 Modifications . 9
46、6. Documentation 10 6.1 General .10 6.2 Detailed documentation requirements 10 Copyright 2013 IEEE. All rights reserved. 1 IEEE Standard for the Design and Qualification of Class 1E Control Boards, Panels, and Racks Used in Nuclear Power Generating Stations IMPORTANT NOTICE: IEEE Standards documents
47、 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, security, environmental, health, and int
48、erference 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 be found under the heading “Important Not
49、ice” 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 1.1 Scope This standard applies to the design and qualification of Class 1E control boards, panels, and racks. It does not apply to individual components, modules, and external field-run cables except as they may affect the design and qualification of Class 1E control boards, panels, and racks. 1.2 Purpose The purpose of this standard is to specify the design and qualification requ
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