IEEE C63 13-1991 en Guide on the Application and Evaluation of EMI Power-Line Filters for Commercial Use《工业用电源线电磁干扰滤波器的应用和评定指南》.pdf
《IEEE C63 13-1991 en Guide on the Application and Evaluation of EMI Power-Line Filters for Commercial Use《工业用电源线电磁干扰滤波器的应用和评定指南》.pdf》由会员分享,可在线阅读,更多相关《IEEE C63 13-1991 en Guide on the Application and Evaluation of EMI Power-Line Filters for Commercial Use《工业用电源线电磁干扰滤波器的应用和评定指南》.pdf(17页珍藏版)》请在麦多课文档分享上搜索。
1、ANSI C63.13-1991American National Standard Guide on the Application and Evaluation of EMI Power-Line Filters for Commercial UseAccredited Standards Committee On Electromagnetic Compatibility, C63accredited by theAmerican National Standards InstituteSecretariatInstitute of Electrical and Electronics
2、Engineers, Inc.Approved June 28, 1991American National Standards InstituteAbstract: A basic understanding of the application, evaluation, and safety considerations ofelectromagnetic interference (EMI) power-line filters used in both ac and dc applications is provided. Theconstruction of an EMI power
3、-line filter and its functions in providing suppression of conducted noise aredescribed. The functions and performance of the filter components, particularly the capacitors andinductors, are discussed. It is explained why seemingly identical filters may not give the same performancein a particular a
4、pplication. No-load insertion-loss test methods are presented. Proper installation of thefilters in equipment is discussed. Safety regulations are briefly addressed.Keywords: capacitors, common-mode noise currents, differential-mode noise currents, electromagneticinterference power-line filters, ind
5、uctors, no-load insertion lossThe Institute of Electrical and Electronics Engineers, Inc.345 East 47th Street, New York, NY 10017-2394, USACopyright 1991 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 1991.Printed in the United States of America.ISBN 1-
6、55937-138-2No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without theprior written permission of the publisher.American National StandardAn American National Standard implies a consensus of those substantially concerned with its scope and p
7、rovisions.An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public.The existence of an American National Standard does not in any respect preclude anyone, whether he has approved thestandard or not, from manufacturing, marketing, purchasing,
8、or using products, processes, or procedures notconforming to the standard. American National Standards are subject to periodic review and users are cautioned toobtain the latest editions.CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures ofthe Ame
9、rican National Standards Institute require that action be taken to reaffirm, revise, or withdraw this standard nolater than five years from the date of publication. Purchasers of American National Standards may receive currentinformation on all standards by calling or writing the American National S
10、tandards Institute.iiiForeword(This Foreword is not a part of ANSI C63.13-1991, American National Standard Guide on the Application and Evaluation of EMIPower-Line Filters for Commercial Use, but is included for information only.)Many individuals have expressed the need for a document that provides
11、a guide to the basic understanding of EMIpower-line filters.This guide is intended to assist users and designers of electronic equipment in the proper design, construction,installation, and evaluation of power-line filters. Safety considerations are also discussed.At the time this standard was appro
12、ved, the working group that prepared this standard had the following membership:Stephen D. Bloom, Chair Alphonse A. ToppetoAt the time that Accredited Standards Committee C63 approved this standard, Subcommittee One had the followingmembership:Donald N. Heirman, Chair James H. AllenWallace E. AmosDa
13、nte AnoiaStephen D. BloomEdwin L. BronaughW. F. BryantJoseph E. Butler, Jr. Stephen CaineEdward W. ChapinDave CofieldLouis B. CostelloMyron L. CrawfordGlen DashHector DavisRobert H. DavisBill DeveyDennis DzierzawskiFred FriedmanThomas GardnerFrank E. GarlingtonHarold A. Gauper, Jr.William K. HayesJa
14、mes S. HillH. R. HofmannKeith KalanquinAlbert R. KallT. W. KernWarren A. KesselmanJames C. KloudaEugene D. KnowlesNestor KolcioWilliam S. LambdinAl R. LavisJohn LichtigSiegfried LinkwitzRichard MasseyHerbert K. MertelWalter A. PoggiWilliam T. RhoadesPaul RuggeraTerence RybakRichard B. SchulzDavid A.
15、 SegersonNeal H. SheperdRalph M. ShowersLouis SlesinAlbert A. Smith, Jr.Dave StaggsLeonard W. Thomas, Sr.Eb M. TingleyAlphonse A. ToppetoAnatoly TsaliovichArt WallStan XavierAt the time that the Accredited Standards Committee on Electromagnetic Compatibility, C63, approved this standard,it had the f
16、ollowing membership:Ralph M. Showers, Chair Edwin L. Bronaugh, Vice Chair Susan L. Vogel, Secretary ivOrganization Represented Name of RepresentativeAeronautical Radio, Inc Kendall SimmonsAmador Corporation Dan HoolihanJames JohnsonAmerican Council of Independent Laboratories William K. HayesAssocia
17、tion of American Railroads Chris AllmanAssociation of Telecommunications Attorneys Jon CurtisGlen DashAT whereas, in the other line,4 Copyright 1991 IEEE All Rights ReservedANSI C63.13-1991 GUIDE ON THE APPLICATION AND EVALUATION OFit is one-half their difference. This explains why conducted noise m
18、easurements must be made on each line rather thanon only one.6. Operation of an EMI Power-Line FilterThe basic functions of an EMI power-line filter in suppressing noise currents can now be deduced by referring to Figs1 and 2.Consider common-mode suppression first. Since the common-mode currents are
19、 identical in both lines with respect toground, the line-to-line capacitors, C1, will have no effect. The common-core inductors, L1, are wound with identicalwindings having the polarity shown in Fig 1. The reason for this type of winding is to minimize the size of the corenecessary to avoid magnetic
20、 saturation by the differential power currents while providing relatively large values ofinductance.Figure 3 Phasor Diagram of Noise CurrentsFigure 4 Common-Mode Noise Equivalent CircuitCopyright 1991 IEEE All Rights Reserved 5EMI POWER-LINE FILTERS FOR COMMERCIAL USE ANSI C63.13-1991Figure 5 Differ
21、ential-Mode Noise Equivalent CircuitFinally, it is clear that the line-to-ground capacitors will be effective against common-mode noise. These capacitorsbeing connected to ground are limited by safety regulations to be very small in value compared to the line-to-linecapacitors. Therefore, the equiva
22、lent common-mode circuit of the filter in Fig 1 is that shown in Fig 4, where L2inductors are neglected in comparison to L1.The two independent inductors, L2, will also attenuate common-mode noise. However, since each of these inductors isseparately energized by the power frequency current, which is
23、 much higher than the noise currents, their value is muchless than L1in order to prevent core saturation at the rated current of the filter.In Figure 4, the equivalent value of line-to-ground capacitance is 2C2because these capacitors are in parallel for thisnoise mode. The equivalent inductance is
24、approximately L1rather than 2L1, however, because of the common corenature of these coils.The equivalent differential-mode circuit for the filter of Fig 1 may be determined in a similar manner. The line-to-linecapacitors are clearly effective against such noise, and the independent inductors, L2, ar
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