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1、IEEE Std 308-2001 (Revision of IEEE Std 308-1991) IEEE Standards 308 TM IEEE Standard Criteria for Class 1E Power Systems for Nuclear Power Generating Stations Published by The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA 1 March 2002 IEEE Power
2、 Engineering Society Sponsored by the Nuclear Power Engineering Committee IEEE Standards Print: SH94970 PDF: SS94970 Recognized as an American National Standard (ANSI) The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2002 by the Instit
3、ute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 1 March 2002. Printed in the United States of America. Print: ISBN 0-7381-3082-6 SH94970 PDF: ISBN 0-7381-3083-4 SS94970 No part of this publication may be reproduced in any form, in an electronic retrieval system or ot
4、herwise, without the prior written permission of the publisher. IEEE Std 308-2001 (R2007) (Revision of IEEE Std 308-1991) IEEE Standard Criteria for Class 1E Power Systems for Nuclear Power Generating Stations Sponsor Nuclear Power Engineering Committee of the IEEE Power Engineering Society Approved
5、 1 August 2002 American National Standards Institute Reaffirmed 21 March 2007 Approved 6 December 2001 IEEE-SA Standards Board Abstract: Class 1E portions of alternating current and direct current power systems and instrumentation and control power systems in single-unit and multiunit nuclear power
6、generating stations are covered. Not included are the preferred power supply; unit generator(s) and their buses; generator breaker; step-up, auxiliary, and start-up transformers; connections to the station switchyard; switchyard; transmission lines; and the transmission network. The intent is to pro
7、vide criteria for the determination of Class 1E power system design features, criteria for sharing Class 1E power systems in multiunit stations, the requirements for their testing and surveillance, and the requirements for documentation of the Class 1E power system. Keywords: Class 1E power systems,
8、 nuclear power station design, nuclear safety Copyright 2002 IEEE. All rights reserved.ii IEEE Standards documents are developed within the IEEE Societies and the Standards Coordinating Committees of the IEEE Standards Association (IEEE-SA) Standards Board. The IEEE develops its standards through a
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23、Attention is called to the possibility that implementation of this standard may require use of subject mat- ter covered by patent rights. By publication of this standard, no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE shall not b
24、e responsible for identifying patents for which a license may be required by an IEEE standard or for conducting inquiries into the legal validity or scope of those patents that are brought to its attention. -,-,- Copyright 2002 IEEE. All rights reserved.iii Introduction (This introduction is not par
25、t of IEEE Std 308-2001, IEEE Standard Criteria for Class 1E Power Systems for Nuclear Power Generating Stations.) This standard presents criteria and requirements for the electrical power systems of nuclear power generating stations specifically related to providing protection for the health and saf
26、ety of the public. The Institute of Electrical and Electronics Engineers (IEEE) has developed these criteria to provide guidance in the determination of the design features and the surveillance requirements and testing related to the station electric power systems. Each applicant for a construction
27、permit or an operating license for a nuclear power generating station in the United States is required to develop these items to comply with the Title 10, Code of Federal Regulations, Part 50. Adherence to these criteria may not suffice for assuring the public health and safety because it is the int
28、egrated performance of the structures, the fluid systems, the instrumentation, and the electric systems of the station that limits the consequences of accidents. Failure to meet these requirements may be an indication of system inadequacy. Each applicant has the responsibility to assure all applicab
29、le parties that this integrated performance is adequate. Background IEEE Std 308-1970 was prepared by Subcommittee 4, Auxiliary Power Systems of the Joint Committee on Nuclear Power Standards (JCNPS) of the IEEE Nuclear Science Group and the IEEE Power Engineering Society (PES). IEEE Std 308-1971 in
30、corporated the experience of the first edition and added multiunit considerations. IEEE Std 308-1974 was completed by Working Group 4.1 of Subcommittee 4 of JCNPS, which had become the Nuclear Power Engineering Committee (NPEC) of the PES in 1973. IEEE Std 308-1978 clarified the interface between th
31、e functional requirements of the Class 1E power system and the safety systems for elements of the safety system that are within the Class 1E power system. IEEE Std 308-1980 implemented the recommendations of the Ad Hoc IEEE 308/603 Committee regarding the scope diagram for the IEEE Std 308 and IEEE
32、Std 603 interface. IEEE Std 308-1991 added criteria for interfacing the Class 1E power system with IEEE Std 765-1983, IEEE Standard for the Preferred Power Supply for Nuclear Power Generating Stations, and IEEE Std 741-1990, IEEE Standard Criteria for the Protection of Class 1E Power Systems and Equ
33、ipment in Nuclear Power Generating Stations. The standard was also updated to reflect the latest requirements of IEEE Std 387-1984, IEEE Standard Criteria for Diesel-Generator Units Applied as Standby Power Supplies for Nuclear Power Generating Stations; IEEE Std 946-1985, IEEE Recommended Practice
34、for the Design of Safety-Related DC Auxiliary Power Systems for Nuclear Power Generating Stations; and the recommendations of the NPEC Ad Hoc Committee on Shared Safety Systems. These recommendations resulted in a complete rewrite of the multiunit station considerations clause. Safety function conce
35、pt A safety system, by definition, shall encompass all of the elements required to achieve a protective or safety function. Figure 2 and Figure 3 illustrate the systems and equipment needed to perform a typical safety function, such as post-accident heat removal. As part of the safety system, the ro
36、le of the Class 1E power system is clearly that of an auxiliary supporting feature, providing electric power to other safety systems (e.g., recirculation spray system, containment spray system, etc.). In this capacity, the portions of the Class 1E power system that contribute to performing a safety
37、function must comply with the requirements of IEEE Std 603-1991. However, the components, equipment, and systems within the Class 1E power system that perform no direct safety function (e.g., overload devices, protective relaying, etc.) must meet the requirements in IEEE Std 603-1991 that assure tha
38、t those components, equipment, and systems do not degrade the Class 1E power system below an acceptable level. -,-,- ivCopyright 2002 IEEE. All rights reserved. Major role of Class 1E power system The major role of the Class 1E power system is to provide electric power to the reactor trip system, en
39、gi- neered safety features, and auxiliary supporting features; therefore, the Class 1E power system is an auxil- iary supporting feature. The Class 1E power system is unique in that it extends throughout the plant, having far more complex inter- faces than other auxiliary supporting features. Other
40、auxiliary supporting features are usually limited to one area or a single process in the plant and are basically mechanical systems. Characteristic of the complex interfaces of the Class 1E power system is the fact that it is an auxiliary supporting feature; other auxiliary features are auxiliary su
41、pporting features for it, and the Class 1E power system may provide support for non- safety system equipment and provide the means for the execution of the safety system protective actions. The sense and command features include equipment that produces signals (e.g., current transformer, voltage tra
42、nsformer, etc.), measures electric system parameters (e.g., voltage, current, watts, etc.), or functions to limit degradation effects (e.g., protective relaying, thermal overloads, undervoltage relays, etc.). The sense and command features of the Class 1E power system that directly perform a safety
43、function shall comply with the requirements of IEEE Std 603-1991. Sense and command features of the Class 1E power system that do not have a direct safety function must be analyzed to show that their failure will have no unacceptable effects on the Class 1E power system. In their execute features ro
44、le, some Class 1E power system equipment, switchgear, circuit breakers, power cabling, and loads (primarily motors) are not only part of the Class 1E power system, but are also integral parts of the engineered safety features. Current revision IEEE Std 308-2001 adds criteria for design and testing d
45、ocumentation of Class 1E power systems, including verification and validation. The standard adds to the criteria for power quality to include potential effects of harmonic distortion and degraded grid conditions. A general update to correct references and to address comments received since the stand
46、ard was last revised has also been performed. Working Group SC 4.1 members involved in the preparation of this standard were the following: J. E. Stoner, Jr., Chair George Attarian Paul Gill D. T. Goodney H. A. Robinson G. D. Manasco William J. Mindick -,-,- Copyright 2002 IEEE. All rights reserved.
47、v The following members of the balloting committee voted on this standard. Balloters may have voted for approval, disapproval, or abstention. When the IEEE-SA Standards Board approved this standard on 6 December 2001, it had the following membership: Donald N. Heirman, Chair James T. Carlo, Vice Cha
48、ir Judith Gorman, Secretary *Member Emeritus Also included is the following nonvoting IEEE-SA Standards Board liaison: Alan Cookson, NIST Representative Donald R. Volzka, TAB Representative Don Messina IEEE Standards Project Editor Satish K. Aggarwal James W. Anderson George Attarian Vincent P. Baca
49、nskas Farouk D. Baxter Mark D Bowman Daniel F. Brosnan Robert C. Carruth John P. Carter S.K. Chaudhuri Raymond J. Christensen Robert L. Copyak John J. Disosway Surinder K. Dureja Julian Forster John Kenneth Greene Robert E. Hall Gregory K. Henry David A. Horvath Paul R. Johnson Gerald B. Lantz John D. MacDonald Alexander Marion John E. Merando Jr Richard B. Miller William J. Mindick Burt Nemroff Roger D. Parker William G. Schwartz Thomas R. Sims Barr