BS EN 55011-2009+A1-2010 Industrial scientific and medical equipment Radio-frequency disturbance characteristics Limits and methods of measurement《工业 科学和医疗设备 射频干扰特性 限值和测量方法》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationIndustrial, scientific and medicalequipment Radio-frequencydisturbance characteristics Limits and methods of measurementBS EN 55011:2009+A1:2010Licensed Copy: Wang Bin, ISO/EXCHA

2、NGE CHINA STANDARDS, 17/12/2010 07:28, Uncontrolled Copy, (c) BSINational forewordThis British Standard is the UK implementation of EN 55011:2009+A1:2010. It was derived by CENELEC from CISPR 11:2009, incorporating amendment 1:2010. It supersedes BS EN 55011:2009, which will be withdrawn on1 July 20

3、13.The CENELEC common modifications have been implemented at the appropriate places in the text . The start and finish of each common modification is indicated in the text by tags .The UK participation in its preparation was entrusted by Technical CommitteeGEL/210, EMC - Policy committee, to Subcomm

4、ittee GEL/210/11, EMC product standards.A list of organizations represented on this subcommittee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2010 ISBN 978 0 5

5、80 62829 0 ICS 33.100.10Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2010Amendments/corrigenda issued since publicationDate Text affectedBRITISH ST

6、ANDARDBS EN 55011:2009+A1:2010The start and finish of text introduced or altered by amendment is indicated in the text by tags. Text indicating changes to IEC text carry the number of theIEC amendment. For example, text altered by IEC amendment 1 isindicated by .!“31 August 2010 Implementation of IE

7、C amendment 1:2010 with CENELEC endorsement A1:2010Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 17/12/2010 07:28, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD EN 55011:2009+A1 NORME EUROPENNE EUROPISCHE NORM July 2010CENELEC European Committee for Electrotechnical Standardization Comit Euro

8、pen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 55011:2009+A1:2010 E ICS 33.100.1

9、0 Supersedes EN 55011:2009English version Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement (CISPR 11:2009+A1:2010, modified) Appareils industriels, scientifiques et mdicaux - Caractristiques des perturbations radiolectriqu

10、es - Limites et mthodes de mesure (CISPR 11:2009+A1:2010, modifie) Industrielle, wissenschaftliche und medizinische Gerte - Funkstrungen - Grenzwerte und Messverfahren (CISPR 11:2009+A1:2010, modifiziert) This European Standard was approved by CENELEC on 2009-09-01. CENELEC members are bound to comp

11、ly with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Sec

12、retariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as

13、 the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,

14、 Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 17/12/2010 07:28, Uncontrolled Copy, (c) BSI 2 Foreword The text of document CISPR/B/478/FDIS, future edition 5 of CISPR 11, prepared by CISPR SC B, Inter

15、ference relating to industrial, scientific and medical radio-frequency apparatus, to other (heavy) industrial equipment, to overhead power lines, to high voltage equipment and to electric traction, was submitted to the IEC-CENELEC parallel vote. A draft amendment (FprAA) covering common modification

16、s towards the future edition 5 of CISPR 11 (CISPR/B/478/FDIS), prepared by the Technical Committee CENELEC TC 210, Electromagnetic compatibility (EMC), was submitted to the formal vote. The combined texts were approved by CENELEC as EN 55011 on 2009-09-01. This European Standard supersedes EN 55011:

17、2007 + A2:2007. This EN 55011:2009 got a more transparent structure, introduces another set of particular limits for conducted and radiated disturbances of “heavy duty“ general purpose equipment of class A group 1 with a rated input power in excess of 20 kVA, in accordance with the needs of the indu

18、stries and refers to the full approach in respect of the measurement instrumentation uncertainty specified in CISPR 16-4-4. Furthermore, any kind of “legal statements“ were removed from the normative main body of this European Standard. The following dates were fixed: latest date by which the EN has

19、 to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-09-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2012-09-01 This European Standard has been prepared under a mandate given to CENELEC

20、 by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive 2004/108/EC.See Annex ZZ. Annexes ZA, ZB and ZZ have been added by CENELEC. _ The main content of this standard is based on CISPR Recommendation No. 39/2 given below: RECOMMENDATION

21、No. 39/2 Limits and methods of measurement of electromagnetic disturbance characteristics of industrial, scientific and medical (ISM) radio-frequency equipment The CISPR CONSIDERING a) that ISM RF equipment is an important source of disturbance; b) that methods of measuring such disturbances have be

22、en prescribed by the CISPR; c) that certain frequencies are designated by the International Telecommunication Union (ITU) for unrestricted radiation from ISM equipment, RECOMMENDS that the latest edition of EN 55011 be used for the application of limits and methods of measurement of ISM equipment. B

23、S EN 55011:2009+A1:2010EN 55011:2009+A1:2010 (E)Endorsement notice The text of the International Standard CISPR 11:2009 was approved by CENELEC as a European Standard with agreed common modifications. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 17/12/2010 07:28, Uncontrolled Copy, (c) BSI

24、 3 Foreword to amendment A1The text of document CISPR/B/492/FDIS, future amendment 1 to CISPR 11:2009, prepared by CISPR SC B, Interference relating to industrial, scientific and medical radio-frequency apparatus, to other (heavy) industrial equipment, to overhead power lines, to high voltage equipm

25、ent and to electric traction, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 55011:2009 on 2010-07-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be

26、held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2011-04-01 latest date by which the national standards c

27、onflicting with the amendment have to be withdrawn (dow) 2013-07-01 _ Endorsement notice The text of amendment 1:2010 to the International Standard CISPR 11:2009 was approved by CENELEC as an amendment to the European Standard without any modification. BS EN 55011:2009+A1:2010EN 55011:2009+A1:2010 (

28、E)Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 17/12/2010 07:28, Uncontrolled Copy, (c) BSI 4 CONTENTS INTRODUCTION.7 1 Scope.9 2 Normative references9 3 Terms and definitions .10 4 Frequencies designated for ISM use .11 5 Classification of ISM equipment 12 5.1 Information for the user .12

29、 5.2 Separation into groups.12 5.3 Division into classes 13 6 Limits of electromagnetic disturbances13 6.1 General .13 6.2 Group 1 equipment measured on a test site .13 6.2.1 Limits of terminal disturbance voltage 13 6.2.2 Limits of electromagnetic radiation disturbance 15 6.3 Group 2 equipment meas

30、ured on a test site .16 6.3.1 Limits of terminal disturbance voltage 16 6.3.2 Limits of electromagnetic radiation disturbance 18 6.4 Group 1 and group 2 class A equipment measured in situ 24 6.4.1 Limits of terminal disturbance voltage 24 6.4.2 Limits of electromagnetic radiation disturbance 24 7 Me

31、asurement requirements.26 7.1 General .26 7.2 Ambient noise26 7.3 Measuring equipment 26 7.3.1 Measuring instruments.26 7.3.2 Artificial mains network 27 7.3.3 Voltage probe 27 7.3.4 Antennas .27 7.3.5 Artificial hand.28 7.4 Frequency measurement .28 7.5 Configuration of equipment under test28 7.5.1

32、 General .28 7.5.2 Interconnecting cables .28 7.5.3 Connection to the electricity supply network on a test site.29 7.6 Load conditions of equipment under test 30 7.6.1 General .30 7.6.2 Medical equipment.30 7.6.3 Industrial equipment 31 7.6.4 Scientific, laboratory and measuring equipment32 7.6.5 Mi

33、crowave cooking appliances .32 7.6.6 Other equipment in the frequency range 1 GHz to 18 GHz32 7.6.7 Single and multiple-zone induction cooking appliances .32 7.6.8 Electric welding equipment.33 7.7 Recording of test-site measurement results .33 7.7.1 General .33 BS EN 55011:2009+A1:2010EN 55011:2009

34、+A1:2010 (E)Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 17/12/2010 07:28, Uncontrolled Copy, (c) BSI 5 7.7.2 Conducted emissions.34 7.7.3 Radiated emissions34 8 Special provisions for test site measurements (9 kHz to 1 GHz) 34 8.1 Ground planes.34 8.2 Measurement of mains terminal disturb

35、ance voltage 34 8.2.1 General .34 8.2.2 Handheld equipment which are normally operated without an earth connection.35 8.3 Radiation test site for 9 kHz to 1 GHz.35 8.3.1 General .35 8.3.2 Validation of the radiation test site (9 kHz to 1 GHz).35 8.3.3 Disposition of equipment under test (9 kHz to 1

36、GHz).36 8.3.4 Radiation measurements (9 kHz to 1 GHz).36 8.4 Alternative radiation test sites for the frequency range 30 MHz to 1 GHz 36 9 Radiation measurements: 1 GHz to 18 GHz 36 9.1 Test arrangement 36 9.2 Receiving antenna .36 9.3 Validation and calibration of test site37 9.4 Measuring procedur

37、e .37 10 Measurement in situ .37 11 Safety precautions 37 12 Assessment of conformity of equipment 37 12.1 General .37 12.2 Statistical assessment of compliance of series produced equipment.38 12.3 Equipment in small-scale production 38 12.4 Equipment produced on an individual basis38 12.5 Measureme

38、nt uncertainty.39 13 Figures and flowcharts39 Annex A (informative) Examples of equipment classification .42 Annex B (informative) Precautions to be taken in the use of a spectrum analyzer (see 7.3.1)44 Annex C (normative) Measurement of electromagnetic radiation disturbance in the presence of signa

39、ls from radio transmitters .45 Annex D (informative) Propagation of interference from industrial radio-frequency equipment at frequencies between 30 MHz and 300 MHz.46 Annex E (informative) Recommendations of CISPR for protection of certain radio services in particular areas47 Annex F (informative)

40、Frequency bands allocated for safety-related radio services .48 Annex G (informative) Frequency bands allocated for sensitive radio services 49 Bibliography50 Figure 1 Test site .39 Figure 2 Minimum size of metal ground plane .39 Figure 3 Disposition of medical (capacitive type) and dummy load (see

41、7.6.2.1) 40 Figure 4 Circuit for disturbance voltage measurements on mains supply (see 7.3.3)40 Figure 5 Decision tree for the measurement of emissions from 1 GHz to 18 GHz of class B, group 2 ISM equipment operating at frequencies above 400 MHz .41 BS EN 55011:2009+A1:2010EN 55011:2009+A1:2010 (E)L

42、icensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 17/12/2010 07:28, Uncontrolled Copy, (c) BSI 6 Figure 6 Artificial hand, RC element (see 7.3.5)41 Table 1 Frequencies in the radio-frequency (RF) range designated by ITU for use as fundamental ISM frequencies 12 Table 2 Mains terminal disturbance

43、 voltage limits for class A group 1 equipment measured on a test site.14 Table 3 Mains terminal disturbance voltage limits for class B group 1 equipment measured on a test site.14 Table 4 Electromagnetic radiation disturbance limits for class A group 1 equipment measured on a test site.15 Table 5 El

44、ectromagnetic radiation disturbance limits for class B group 1 equipment measured on a test site.16 Table 6 Mains terminal disturbance voltage limits for class A group 2 equipment measured on a test site.17 Table 7 Mains terminal disturbance voltage limits for class B group 2 equipment measured on a

45、 test site.17 Table 8 Mains terminal disturbance voltage limits for induction cooking appliances .18 Table 9 Electromagnetic radiation disturbance limits for class A group 2 equipment measured on a test site.20 Table 10 Electromagnetic radiation disturbance limits for class A EDM and arc welding equ

46、ipment measured on a test site .20 Table 11 Electromagnetic radiation disturbance limits for class B group 2 equipment measured on a test site.21 Table 12 Limits of the magnetic field strength for induction cooking appliances intended for commercial use .21 Table 13 Limits of the magnetic field indu

47、ced current in a 2 m loop antenna for induction cooking appliances for domestic use 22 Table 14 Electromagnetic radiation disturbance peak limits for group 2 equipment producing CW type disturbances and operating at frequencies above 400 MHz.23 Table 15 Electromagnetic radiation disturbance peak lim

48、its for class B group 2 equipment producing fluctuating disturbances other than CW and operating at frequencies above 400 MHz 23 Table 16 Electromagnetic radiation disturbance weighted limits for class B group 2 equipment producing fluctuating disturbances other than CW and operating at frequencies

49、above 400 MHz 24 Table 17 Electromagnetic radiation disturbance limits for class A group 1 equipment measured in situ .24 Table 18 Electromagnetic radiation disturbance limits for class A group 2 equipment measured in situ .25 Table 19 The non-central t-distribution factor k as a function of the sample size n.38 Table E.1 Limits for electromagnetic radiation disturbances for in situ measurements to protect specific safety-related radio services in particular areas .47