1、 Copyright 1999 IEEE All Rights Reserved1IEEE Std C62.34-1996 (R2001)IEEE Standard for Performance of Low-Voltage Surge-Protective Devices (Secondary Arresters)SponsorSurge Protective Devices Committeeof thePower Engineering SocietyReaffirmed 30 January 2002Approved 5 June 1997American National Stan
2、dards InstituteReaffirmed 10 October 2001Approved 10 December 1996IEEE Standards BoardAbstract: Surge-protective devices designed for application on the low-voltage ac supply mains (1000 Vrms and less, frequency between 48 Hz and 62 Hz) are covered.Keywords: low voltage, secondary arresters, surge-p
3、rotective devicesThe Institute of Electrical and Electronics Engineers, Inc.345 East 47th Street, New York, NY 10017-2394, USACopyright 1997 by the Institute of Electrical and Electronics Engineers, Inc.All rights reserved. Published 1997. Printed in the United States of America.ISBN 1-55937-874-3No
4、 part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without theprior written permission of the publisher.IEEE Standardsdocuments are developed within the IEEE Societies and the Standards Coordinat-ing Committees of the IEEE Standards Board. Member
5、s of the committees serve voluntarily andwithout compensation. They are not necessarily members of the Institute. The standards developedwithin IEEE represent a consensus of the broad expertise on the subject within the Institute as wellas those activities outside of IEEE that have expressed an inte
6、rest in participating in the develop-ment of the standard.Use of an IEEE Standard is wholly voluntary. The existence of an IEEE Standard does not implythat there are no other ways to produce, test, measure, purchase, market, or provide other goods andservices related to the scope of the IEEE Standar
7、d. Furthermore, the viewpoint expressed at thetime a standard is approved and issued is subject to change brought about through developments inthe state of the art and comments received from users of the standard. Every IEEE Standard is sub-jected to review at least every five years for revision or
8、reaffirmation. When a document is morethan five years old and has not been reaffirmed, it is reasonable to conclude that its contents,although still of some value, do not wholly reflect the present state of the art. Users are cautioned tocheck to determine that they have the latest edition of any IE
9、EE Standard.Comments for revision of IEEE Standards are welcome from any interested party, regardless ofmembership affiliation with IEEE. Suggestions for changes in documents should be in the form of aproposed change of text, together with appropriate supporting comments.Interpretations: Occasionall
10、y questions may arise regarding the meaning of portions of standards asthey relate to specific applications. When the need for interpretations is brought to the attention ofIEEE, the Institute will initiate action to prepare appropriate responses. Since IEEE Standards rep-resent a consensus of all c
11、oncerned interests, it is important to ensure that any interpretation hasalso received the concurrence of a balance of interests. For this reason, IEEE and the members of itssocieties and Standards Coordinating Committees are not able to provide an instant response tointerpretation requests except i
12、n those cases where the matter has previously received formalconsideration. Comments on standards and requests for interpretations should be addressed to:Secretary, IEEE Standards Board445 Hoes LaneP.O. Box 1331Piscataway, NJ 08855-1331USAAuthorization to photocopy portions of any individual standar
13、d for internal or personal use isgranted by the Institute of Electrical and Electronics Engineers, Inc., provided that the appropriatefee is paid to Copyright Clearance Center. To arrange for payment of licensing fee, please contactCopyright Clearance Center, Customer Service, 222 Rosewood Drive, Da
14、nvers, MA 01923 USA;(508) 750-8400. Permission to photocopy portions of any individual standard for educational class-room use can also be obtained through the Copyright Clearance Center.Note: Attention is called to the possibility that implementation of this standard mayrequire use of subject matte
15、r covered by patent rights. By publication of this standard,no position is taken with respect to the existence or validity of any patent rights inconnection therewith. The IEEE shall not be responsible for identifying all patents forwhich a license may be required by an IEEE standard or for conducti
16、ng inquiries intothe legal validity or scope of those patents that are brought to its attention.iiiIntroductionThis introduction is not a part of IEEE Std C62.34-1996, IEEE Standard for Performance of Low-Voltage Surge-Protec-tive Devices (Secondary Arresters).Secondary arresters have been used sinc
17、e 1940 to protect the secondary winding of distribution transform-ers, kilowatt hour meters, and power equipment loads downstream from breakdown of insulation duringlightning strikes. Performance criteria for secondary arresters are included in standards for performance ofhigh-voltage arresters in I
18、EEE Std C62.1-1989 and IEEE Std C62.11-1993.With the proliferation of electronic equipment installed inside buildings, the emphasis has shifted away fromprotection of insulation on wiring devices to vulnerable electronic equipment.The standards developers have attempted, as far as possible, to harmo
19、nize with relevant internationalstandards.The Accredited Standards Committee on Surge Arresters, C62, that reviewed and approved this standard,had the following members at the time of approval:Joseph L. Koepfinger, ChairJohn A. Gauthier, SecretaryOrganization Represented Name of RepresentativeAssoci
20、ation of American Railroads .Wayne EtterBonneville Power Administration G. E. LeeCanadian Standards Association. D. M. SmithElectric Light and Power. J. W. WilsonR. A. JonesW. A. MaguireG. N. Miller(Alt.)T. A. WolfeInstitute of Electrical and Electronics Engineers.J. L. KoepfingerJ. J. BurkeG. L. Ga
21、ibroisW. H. KappRichard OdenbergKeith StumpEdgar Taylor (Alt.)Members-at-Large J. OsterhoutB. PensarSteven G. WhisenantNational Electrical Manufacturers Association .Dennis W. LenkLarry Bock (Alt.)Andi HaaPaul JeffriesHans SteinhoffJonathan J. WoodworthRural Electrification Administration.(vacant)Un
22、derwriters Laboratories . George MauroivAt the time this standard was completed, the Working Group on Performance of Low-Voltage Surge-Protec-tive Devices (Secondary Arresters) had the following membership:Joe Osterhout,Chair Other individuals who have contributed written review and comments are the
23、 following:The following persons were on the balloting committee:When the IEEE Standards Board approved this standard on 10 December 1996, it had the followingmembership:Donald C. Loughry,ChairRichard J. Holleman,Vice ChairAndrew G. Salem,Secretary*Member EmeritusAlso included are the following nonv
24、oting IEEE Standards Board liaisons:Satish K. AggarwalAlan H. CooksonChester C. TaylorRochelle L. SternIEEE Standards Project EditorEd FoelkerGary GoeddeJeff MackevichFrancois MartzloffGeorge MauroKurt MeindorferHans SteinhoffMike StringfellowJonathan WoodworthChris ChrysanthouJ. David ClaytonFranci
25、s FiederleinJoe KoepfingerJohn PoseyRonald StandlerSteve G. WhisenantWarren BoxleitnerChris ChrysanthouCliff C. ErvenPeter A. GoodwinAndrew Robert HilemanDavid W. HutchinsDavid W. JacksonBengt JohnnerfeltRobert A. JonesWilhelm KappStanley S. KershawJeff J. KesterJoseph L. KoepfingerGerald E. LeeAnto
26、nio L. LimJeff MackevichWilliam A. MaguireFrancois D. MartzloffRichard OdenbergJoseph C. OsterhoutMichael ParenteJohn B. PoseyHans SteinhoffKeith B. StumpL. Douglas. SweeneyEdgar R. Taylor, Jr.Arnold VitolsSteve G. WhisenantJames W. Wilson, Jr.Jonathan J. WoodworthGilles A. BarilClyde R. CampJoseph
27、A. CannatelliStephen L. DiamondHarold E. EpsteinDonald C. FleckensteinJay Forster*Donald N. HeirmanBen C. JohnsonE. G. “Al” KienerJoseph L. Koepfinger*Stephen R. LambertLawrence V. McCallL. Bruce McClungMarco W. MigliaroMary Lou PadgettJohn W. PopeJose R. RamosArthur K. ReillyRonald H. ReimerGary S.
28、 RobinsonIngo RschJohn S. RyanChee Kiow TanLeonard L. TrippHoward L. WolfmanvContents1. Scope 12. References 13. Definitions 24. Service conditions 34.1 Usual service conditions 34.2 Unusual service conditions 35. Ratings . 45.1 Identification 45.2 Preferred values . 46. Construction. 57. Design tes
29、ts 57.1 Determination of voltage protection level . 67.2 Maximum discharge current withstand test . 77.3 Accelerated ageing procedure for metal oxide varistors 77.4 Duty-cycle test . 77.5 Loss of neutral test. 87.6 Fault-current withstand test 98. Routine tests. 118.1 Voltage protection level. 118.2
30、 Power-frequency voltage test. 118.3 Seal test 11ANNEXAnnex A (nomative) Accelerated ageing procedure . 12Annex B (informative) Loss of neutral condition . 14Annex C (informative) Bibliography 151IEEE Standard for Performance of Low-Voltage Surge-Protective Devices (Secondary Arresters)1. ScopeThis
31、standard applies to surge-protective devices designed for application on the low-voltage ac supplymains (1000 V rms and less, frequency between 48 Hz and 62 Hz). Low-voltage surge-protective devices(secondary arresters) are intended to be connected at locations between, and including, the secondary
32、termi-nals of the distribution transformer and the main service entrance panel. Surge-protective devices limit tran-sient overvoltages by diverting surge current and subsequently automatically interrupting the passage offollow current.2. ReferencesThis standard shall be used in conjunction with the
33、following publications. When the following standards aresuperseded by an approved revision, the revision shall apply.ANSI C84.1-1995, Voltage Ratings for Electric Power Systems and Equipment (60 Hertz).1IEEE Std 4-1995, IEEE Standard Techniques for High-Voltage Testing (ANSI).2C62.1-1989 (R1994) IEE
34、E Standard for Gapped Silicon-Carbide Surge Arresters for AC Power Circuits(ANSI) .IEEE Std C62.11-1993, IEEE Standard for Metal-Oxide Surge Arresters for Alternating Current Power Cir-cuits (ANSI).IEEE Std C62.41-1991 (Reaff 1995), IEEE Recommended Practice on Surge Voltages in Low-Voltage ACPower
35、Circuits (ANSI).1ANSI publications are available from the Sales Department, American National Standards Institute, 11 West 42nd Street, 13th Floor,New York, NY 10036, USA.2IEEE publications are available from the Institute of Electrical and Electronics Engineers, 445 Hoes Lane, P.O. Box 1331, Piscat
36、away,NJ 08855-1331, USA.IEEEStd C62.34-1996 IEEE STANDARD FOR PERFORMANCE OF LOW-VOLTAGE2IEC 60529 (1989), Degrees of protection provided by enclosures (IP Code).3IEEE C62.45-1992, IEEE Guide on Surge Testing for Equipment Connected to Low-Voltage AC Power Cir-cuits (ANSI).UL 1449-1985, Transient Vo
37、ltage Surge Suppressors (DoD).4UL 94-1991, Tests for Flammability of Plastic Materials and Parts in Devices and Appliances (DoD).UL 746C-1995, Polymeric MaterialsUse in Electrical Equipment Evaluations (DoD).3. Definitions3.1 combination wave (1.2/50, 8/20):A wave delivered by a generator that appli
38、es a 1.2/50 voltage impulseacross an open circuit and an 8/20 impulse current into a short circuit. The voltage, current, and waveformsthat are delivered to the surge-protective device (SPD) are determined by the generator and the impedance ofthe SPD to which the surge is applied. The ratio of open-
39、circuit voltage to peak short-circuit current is 2 W.3.2 continuous operating current (Ic):The peak current flowing through the SPD when energized at themaximum continuous operating voltage.3.3 design tests:Tests made on each design to establish the performance characteristics and to demonstratecomp
40、liance with the appropriate standards of the industry. Once made they need not be repeated unless thedesign is changed so as to modify performance.3.4 duty cycle test:A test to determine if a device can repeatedly function, extinguish follow current, andavoid thermal runaway.3.5 maximum-continuous o
41、perating voltage (MCOV) (Uc):The maximum rms value of power-frequencyvoltage that may be applied continuously between the terminals of the arrester without degradation or dele-terious effects.3.6 maximum discharge current (Ip):The maximum surge current that the SPD withstands without dam-age. The ma
42、ximum discharge current is a peak impulse current, with a wave shape of 8/20.3.7 measured limiting voltage:The maximum magnitude of voltage that is measured across the terminalsof the SPD during the application of a series of impulses of specified wave shape and amplitude.3.8 nominal discharge curre
43、nt (In):The discharge current that can be applied to an SPD a specified num-ber of times without causing damage to it. The nominal discharge current is a peak surge current, with awave shape of 8/20. 3.9 nominal system voltage:A nominal value assigned to designate a system of a given voltage class.N
44、OTESee ANSI C84.1-1995.53.10 one-port SPD:A SPD with protective components connected in shunt with the circuit to be protected.A one-port SPD may have separate input and output terminals without a specified series impedance betweenthese terminals. 3IEC publications are available from IEC Sales Depar
45、tment, Case Postale 131, 3, rue de Varemb, CH-1211, Genve 20, Switzerland/Suisse. IEC publications are also available in the United States from the Sales Department, American National Standards Institute, 11West 42nd Street, 13th Floor, New York, NY 10036, USA.4UL standards are available from Global
46、 Engineering, 1990 M Street NW, Suite 400, Washington, DC, 20036, USA.5Information on references can be found in Clause 2.IEEESURGE-PROTECTIVE DEVICES (SECONDARY ARRESTERS) Std C62.34-199633.11 preferred values:The parameters listed for various tests are preferred in the sense that their use pro-mot
47、es uniformity. However, specific applications may require values other than the listed preferred values.3.12 routine tests:Tests made by the manufacturer on every device or on representative samples, or on partsor materials as required to verify that the product meets the design specifications.3.13
48、secondary arrester:A surge-protective device that is intended to be connected to the low-voltage acsupply mains (1000 V rms and less, frequency between 48 Hz and 62 Hz) at locations between and includingthe secondary terminals of the distribution transformer and the main service entrance panel.3.14
49、surge:A transient wave of voltage or current. The duration of a surge is not tightly specified, but it isusually less than a few milliseconds.3.15 surge-protective device (SPD):A device that is intended to limit transient overvoltages and divertsurge current. It contains at least one nonlinear component.3.16 two-port SPD:An SPD with two sets of terminalsinput and output. A specific series impedance isinserted between these terminals.3.17 voltage protection level:A parameter that characterizes the performance of the SPD in limiting thevoltage across its terminals. This value shall b
