IEEE C62.23-1995 - IEEE Application Guide for Surge Protection of Electric Generating Plants.pdf

1、 Copyright 1999 IEEE All Rights Reserved1IEEE Std C62.23-1995(R2001)IEEE Application Guide for Surge Protection of Electric Generating PlantsSponsorSurge-Protective Devices Committeeof theIEEE Power Engineering SocietyApproved May 2, 2002American National Standards InstituteReaffirmed December 6,200

2、1Approved January 18, 1995 IEEE Standards BoardAbstract: This standard consolidates most electric utility power industry practices, accepted theories,existing standards/guides, definitions, and technical references as they specifically pertain to surgeprotection of electric power generating plants.

3、Where technical information is not readily available,guidance is provided to aid toward proper surge protection and to reduce interference to communication,control, and protection circuits due to surges and other overvoltages. It has to be recognized that thisapplication guide approaches the subject

4、 of surge protection from a common or generalized applicationviewpoint. Complex applications of surge protection practices may require specialized study byexperienced engineers.Keywords: electric utilities, electric power, electric generating plants, generating plants, power plants,surge protectionT

5、he Institute of Electrical and Electronics Engineers, Inc.345 East 47th Street, New York, NY 10017-2394, USACopyright 1995 by the Institute of Electrical and Electronics Engineers, Inc.All rights reserved. Published 1995. Printed in the United States of America.ISBN 1-55937-520-5No part of this publ

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16、ecessary permissions.iiiIntroduction(This introduction is not a part of IEEE Std C62.23-1995, IEEE Application Guide for Surge Protection of Electric Gen-erating Plants.)The need for an application guide for surge protection of electric generating plants was indicated in 1979when the US Nuclear Regu

17、latory Commission published a draft regulatory guide and value/impact statemententitled, “Lightning Protection for Nuclear Power Plants.”After meetings between IEEE Surge-Protective Devices Committee members and members of the USNuclear Regulatory Commission, it was agreed that the task of writing a

18、n application guide for the surgeprotection of electric generating plants would be performed by a specially assigned working group of theIEEE Surge-Protective Devices Committee.The first function of this working group was to publish a bibliography containing many standards and tech-nical papers pert

19、aining to the protection of all elements inside a power plant complex. The “Bibliography onPower Generating Plants Surge Protection” was published in IEEE Transactions on Power Delivery, vol. 6,no. 2, pp. 754793, April 1991.The working group also decided that this guide should not only cover nuclear

20、 power plants but that themethod of surge protection is applicable to nuclear as well as all electric generating plants, and that no spe-cial differentiation should be made.This guide is the result of efforts of the working group over a period of more than ten years. The workinggroup is part of the

21、application of Surge-Protective Devices Subcommittee, sponsored by the Surge-Protec-tive Devices Committee of the IEEE Power Engineering Society. Comments were also solicited from the fol-lowing groups:IEEE Power Engineering Society/Transmission and Distribution CommitteeIEEE Power Engineering Socie

22、ty/Power System Relaying CommitteeIEEE Power Engineering Society/Nuclear Power Engineering CommitteeIEEE Power Engineering Society/Substations CommitteeIEEE Power Engineering Society/Power System Communications CommitteeIEEE Power Engineering Society/Energy Development and Power Generation Committee

23、IEEE Power Engineering Society/Electric Machinery CommitteeIEEE Industry Applications Society/Power Systems Engineering CommitteeSuggestions for the improvement of this guide will be welcome. They should be sent toSecretaryIEEE Standards BoardInstitute of Electrical and Electronic Engineers, Inc.445

24、 Hoes LaneP. O. Box 1331Piscataway, NJ 08855-1331USAivAt the time this guide was completed, the working group on surge protection of generating plants had thefollowing membership:Gilbert L. Gaibrois,ChairAldean Benge John A. Hetrick Joseph L. KoepfingerGordon Black David W. Jackson Subinoy MazumdarJ

25、im R. Detweiler Robert A. Jones Burt NemroffH. E. Foelker E. W. Knapp William R. Ossman (past chair)George S. Haralampu (past chair) Edgar R. Taylor, Jr.The following persons were on the balloting committee:Charles L. Ballentine Andrew R. Hileman John B. PoseyMike G. Comber Hieu Huynh Keith B. Stump

26、Douglas C. Dawson David W. Jackson Dennis P. SymanskiCliff Erven Bengt Johnnerfelt Edgar R. Taylor, Jr.H. E. Foelker Robert A. Jones Rao ThallamGilbert L. Gaibrois Stanley S. Kershaw Arnold VitolsGeorge S. Haralampu Gerald E. Lee Steve G. WhisenantJohn A. Hetrick Joseph C. Osterhout J. W. WilsonAt t

27、he time this standard was published, it was under consideration for approval as an American NationalStandard. The Accredited Standards Committee on Surge Arresters, C62, had the following members at thetime this document was sent to letter ballot:Joseph L. Koepfinger,ChairJohn A. Gauthier,SecretaryO

28、rganization Represented Name of RepresentativeAlliance for Telecommunications Industry Solutions . C. ChrysanthouAssociation of American Railroads.Wayne EtterBonneville Power Administration . G. E. LeeCanadian Standards Association (Liaison). D. M. SmithElectric Light and Power R. A. JonesH. E. Foel

29、kerW. A. MaguireJ. W. WilsonM. C. Mingoia (Alt.)F. MartinezInstitute of Electrical and Electronics Engineers.J. L. KoepfingerJ. J. BurkeG. L. GaibroisW. H. KappS. S. Kershaw, Jr.C. Hansell (Alt.)Edgar Taylor (Alt.)National Electrical Manufacturers Association .Dennis W. LenkBernhard WolffD. WordenLa

30、rry BockJ. WoodworthvNational Institute of Standards and Technology. F. D. MartzloffRural Electrification Administration.George J. BagnallUnderwriters Laboratories.P. NotarianLarry Williams (Alt.)Members-at-Large . J. OsterhoutB. PanesarR. B. StandlerThe final conditions for approval of this standar

31、d were met on January 18, 1995. This standard was condi-tionally approved by the IEEE Standards Board on December 13, 1994, with the following membership:Wallace S. Read,ChairDonald C. Loughry,Vice ChairAndrew G. Salem,SecretaryGilles A. Baril Donald N. Heirman Joseph L. Koepfinger*Bruce B. Barrow R

32、ichard J. Holleman D. N. “Jim” LogothetisJos A. Berrios de la Paz Jim Isaak L. Bruce McClungClyde R. Camp Ben C. Johnson Marco W. MigliaroJames Costantino Sonny Kasturi Mary Lou PadgettStephen L. Diamond Lorraine C. Kevra Arthur K. ReillyDonald C. Fleckenstein E. G. “Al” Kiener Ronald H. ReimerJay F

33、orster* Ivor N. Knight Gary S. RobinsonRamiro Garcia Leonard L. Tripp*Member EmeritusAlso included are the following nonvoting IEEE Standards Board liaisons:Satish K. AggarwalJames BeallRichard B. EngelmanRobert E. HebnerMary Lynne NielsenIEEE Standards Project EditorviiContentsCLAUSE PAGE1. Overvie

34、w 12. References 33. Definitions 64. Power lines. 64.1 Scope 64.2 Protection of transmission lines. 74.3 Protection of distribution lines. 135. Switchyard . 165.1 Scope 165.2 Equipment protection. 165.3 Controls/Communication. 196. Power plant 276.1 Scope 276.2 Equipment protection. 286.3 Controls/C

35、ommunication. 317. Remote ancillary facilities . 377.1 Scope 377.2 Indoor equipment. 377.3 Outdoor equipment 37ANNEXESAnnex A Soil resistivity 38Annex B Bibliography 391IEEE Application Guide for Surge Protection of Electric Generating Plants1. OverviewThis application guide consolidates most electr

36、ic utility power industry practices, accepted theories, existingstandards/guides, definitions, and technical references as they specifically pertain to surge protection of elec-tric power generating plants. Where technical information is not readily available, guidance is provided toaid toward prope

37、r surge protection and to reduce interference to communication, control, and protection cir-cuits due to surges and other overvoltages. It has to be recognized that this application guide approaches thesubject of surge protection from a common or generalized application viewpoint. Complex applicatio

38、ns ofsurge protection practices may require specialized study by experienced engineers.Surge overvoltages can cause equipment damage, system malfunction, or power interruptions at electricpower generating plants if plants are not adequately protected against them. Excessive surge voltages haveto, th

39、erefore, be controlled or reduced to permissible levels. These overvoltage surges in power generatingplants may be generated by lightning or by system events such as switching, faults, load rejections, or bysome combinations of these.The subject of surge protection of power generating plants is very

40、 broad and complex, with many ramifica-tions. To provide an understanding for consistent and comprehensive surge protection and to reduce interfer-ence, the power generating plant has been divided in this guide into four subareas: the power lines, theswitchyard, the power plant, and the remote ancil

41、lary systems (see figure 1). Within each subarea, the “surgeenvironment” in which the associated equipment and systems are required to operate is addressed in terms ofthe common overvoltage and electromagnetic interference sources identified below: Direct lightning strokes Incoming surges Internally

42、 generated surges Ground potential rise Electromagnetic interference To evaluate each of these sources, the following questions are addressed: Is there a surge or interference problem from this source? How is surge protection accomplished? What standards and guides are available? How is surge interf

43、erence initiated?A typical power generating plant is illustrated by the one-line diagram in figure 2. The subareas “switchyard” and “power lines” include the substation equipment, the incoming power andcommunication lines, and utilization power systems, as well as other plant switchyard systems. The

44、 “powerplant” subarea includes the power equipment (distribution and utilization) and its associated communication,instrumentation, and protective/control equipment. IEEEStd C62.23-1995 IEEE APPLICATION GUIDE FOR SURGE PROTECTION2The “remote ancillary facilities” subarea includes all equipment perta

45、ining to systems outside the powerplant and switchyard, such as fuel handling facilities, the water intake building, the weather tower, outsideplant monitoring facilities, etc. Figure 1Power generating plant block diagramIEEEOF ELECTRIC GENERATING PLANTS Std C62.23-199532. ReferencesThis guide shall

46、 be used in conjunction with the listed references applicable to the electrical system to beprotected.Accredited Standards Committee (ASC) C2-1993, National Electrical Safety Code.1Figure 2Power generating plant simplified one-line diagramIEEEStd C62.23-1995 IEEE APPLICATION GUIDE FOR SURGE PROTECTI

47、ON4ANSI C62.61-1993, American National Standard for Gas Tube Surge Arresters on Wire Line TelephoneCircuits.ANSI/NFPA 70-1993, National Electrical Code.2ANSI/NFPA 780-1992, Lightning Protection Code.IEEE Std 18-1992, IEEE Standard for Shunt Power Capacitors (ANSI).3IEEE Std 141-1993, IEEE Recommende

48、d Practice for Electric Power Distribution for Industrial Plants(IEEE Red Book) (ANSI).IEEE Std 142-1991, IEEE Recommended Practice for Grounding of Industrial and Commercial Power Sys-tems (IEEE Green Book) (ANSI).IEEE Std 367-1987, IEEE Recommended Practice for Determining the Electric Power Stati

49、on GroundPotential Rise and Induced Voltage from a Power Fault (ANSI).IEEE Std 368-1977, IEEE Recommended Practice for Measurement of Electrical Noise and Harmonic FilterPerformance of High-Voltage Direct-Current Systems.4IEEE Std 384-1992, IEEE Standard Criteria for Independence of Class 1E Equipment and Circuits.IEEE Std 487-1992, IEEE Recommended Practice for the Protection of Wire Line Communications Facili-ties Serving Electric Power Stations (ANSI).IEEE Std 518-1982 (Reaff. 1990), IEEE Guide for the Installation of Electrical Equipment to MinimizeNoise Inputs to Control