IEEE-833-2005-R1994.pdf
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1、IEEE Std 833-2005 (Revision of IEEE Std 833-1988) IEEE Recommended Practice for the Protection of Electric Equipment in Nuclear Power Generating Stations from Water Hazards I E E E 3 Park Avenue New York, NY 10016-5997, USA 19 May 2006 IEEE Power Engineering Society Sponsored by the Nuclear Power En
2、gineering Committee Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:50:38 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright
3、The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:50:38 MDTNo reproduction or networking permitted without license from IHS -,-,- Recognized as an American National Stand
4、ard (ANSI) IEEE Std 833-2005 (Revision of IEEE Std 833-1988) IEEE Recommended Practice for the Protection of Electric Equipment in Nuclear Power Generating Stations from Water Hazards Sponsor Nuclear Power Engineering Committee of the IEEE Power Engineering Society Approved 21 April 2006 American Na
5、tional Standards Institute Approved 7 December 2005 IEEE-SA Standards Board Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:50:38 MDTNo reproduction or networ
6、king permitted without license from IHS -,-,- The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2006 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 19 May 2006. Printed in the United States
7、 of America. IEEE is a registered trademark in the U.S. Patent +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. NOTEAttention is called to the possibility that implementation of thi
8、s standard may require use of subject matter covered by patent rights. By publication of this standard, no position is taken with respect to the exist- ence or validity of any patent rights in connection therewith. The IEEE shall not be responsible for identifying patents for which a license may be
9、required by an IEEE standard or for conducting inquiries into the legal valid- ity or scope of those patents that are brought to its attention. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan,
10、IHS Not for Resale, 07/30/2008 03:50:38 MDTNo reproduction or networking permitted without license from IHS -,-,- iv Copyright 2006 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std 833-2005, IEEE Recommended Practice for the Protection of Electric Equipment in Nuclea
11、r Power Generating Stations from Water Hazards. This recommended practice was originally developed in 1988 in response to concerns expressed relative to failures of electric equipment in operating nuclear power plants resulting from water or moisture intrusion. The purpose of this document is to rec
12、ommend practices that address these concerns and that are in addition to those that may already be required or in place to protect the electric equipment or systems from water hazards. This recommended practice describes design, installation, and maintenance considerations to protect electric equipm
13、ent against potential water intrusion hazards. This recommended practice is intended to define when a water hazard exists and provide useful practices as to how to deal with water hazards for operating plants, new plants, or during plant modifications. However, the individuality of each nuclear powe
14、r plant structure makes it difficult to provide specific directions. This document does not address the ability of the electric equipment to withstand a “loss-of-coolant” accident, high energy line break, or the physical forces resulting from jet impingement, or other line breaks that are covered by
15、 other analyses, standards, or requirements. Further, it may not be reasonable to provide protection for all possible flooding scenarios. Examples for such scenarios are multiple or simultaneous pipe breaks, valves leaks, or deliberate operations of fire hoses to extinguish fires in equipment. Areas
16、 that may be reviewed for possible inclusion in future revisions of this document are as follows: Raceway design issues Use of environmentally sealed splices and connections This revision updates the document with current industry practice and operating experience. The principal changes are the expl
17、anation of weep and drain holes application, and design considerations for potential water submergence in duct banks. Notice to users Errata Errata, if any, for this and all other standards can be accessed at the following URL: http:/ standards.ieee.org/reading/ieee/updates/errata/index.html. Users
18、are encouraged to check this URL for errata periodically. Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. Patents Attention is called to the possibility that implementation of this standard may require use of sub
19、ject matter 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 be responsible for identifying Copyright The Institute of Electrical and Electronics Engineers, Inc.
20、Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 03:50:38 MDTNo reproduction or networking permitted without license from IHS -,-,- v Copyright 2006 IEEE. All rights reserved. patents or patent applications for which a license may b
21、e required to implement an IEEE standard or for conducting inquiries into the legal validity or scope of those patents that are brought to its attention. Participants At the time this recommended practice was completed, the Working Group on Protection of Safety Systems from Hazards of Water (SC 4.8)
22、 had the following membership: Robert J. Fletcher, Chair The Working Group would like to acknowledge the contributions of Barry J. Skoras, who served as Chairman for much of the development of the recommended practice and to Pranab K. Guha, who contributed to the development of the document. The fol
23、lowing members of the individual balloting committee voted on this standard. Balloters may have voted for approval, disapproval, or abstention. Dale T. Goodney Kenneth Greene S. K. Mitra Roger D. Parker Satish Aggarwal Stan J. Arnot Vincent Bacanskas Farouk Baxter Wesley Bowers Robert Carruth John C
24、arter Surin Dureja Robert J. Fletcher Ronald Fluegge Julian Forster Wilmer Gangloff Dale T. Goodney Britton Grim Randall Groves Kuljit Hara David A. Horvath Paul Johnson Tanuj Khandelwal John Kueck Henry Leung John MacDonald Thomas McCaffrey John Merando Gary Michel Gerald Nicely Roger D. Parker Jam
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