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1、 IEC 60255-26 Edition 2.0 2008-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Measuring relays and protection equipment Part 26: Electromagnetic compatibility requirements Relais de mesure et dispositifs de protection Partie 26: Exigences de compatibilit lectromagntique IEC 60255-26:2008 THIS PUBLIC
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16、 clients ou contactez-nous: Email: csciec.ch Tl.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 60255-26 Edition 2.0 2008-07 INTERNATIONAL STANDARD NORME INTERNATIONALE Measuring relays and protection equipment Part 26: Electromagnetic compatibility requirements Relais de mesure et dispositifs de prote
17、ction Partie 26: Exigences de compatibilit lectromagntique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE N ICS 29.120.70 PRICE CODE CODE PRIX ISBN 2-8318-9853-6 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission
18、Electrotechnique Internationale 2 60255-26 IEC:2008 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope and object6 1.1 Emission .6 1.2 Immunity .6 2 Normative references .7 3 Terms and definitions .8 4 Test requirements and procedures .9 4.1 Emission tests.9 4.2 Immunity tests.9 5 Criteria for acceptance .9
19、 5.1 Emission tests.9 5.2 Immunity tests.9 6 Test report9 Figure 1 Ports for measuring relays and protection equipment .9 Table 1 Emission tests Enclosure port 9 Table 2 Emission tests Auxiliary power supply port .10 Table 3 Immunity tests Enclosure port 10 Table 4 Immunity tests Auxiliary power sup
20、ply port .11 Table 5 Immunity tests Communication port12 Table 6 Immunity tests Input and output ports.13 Table 7 Immunity tests Functional earth port.14 60255-26 IEC:2008 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MEASURING RELAYS AND PROTECTION EQUIPMENT Part 26: Electromagnetic compatibility r
21、equirements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardiz
22、ation in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is
23、 entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the
24、International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects s
25、ince each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical conte
26、nt of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possibl
27、e in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipmen
28、t declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC N
29、ational Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attentio
30、n is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC s
31、hall not be held responsible for identifying any or all such patent rights. International Standard IEC 60255-26 has been prepared by IEC technical committee 95: Measuring relays and protection equipment. This second edition cancels and replaces the first edition published in 2004. This edition const
32、itutes a technical revision. The main difference with respect to the previous edition concerns the reference to IEC 61000- 4 series and to CISPR 22. The text of this standard is based on the following documents: FDIS Report on voting 95/230/FDIS 95/234/RVD Full information on the voting for the appr
33、oval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 4 60255-26 IEC:2008 A list of all parts of IEC 60255 series under the general title Measuring relays and protection equipment,
34、 can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be
35、 reconfirmed, withdrawn, replaced by a revised edition, or amended. 60255-26 IEC:2008 5 INTRODUCTION This part of IEC 60255 specifies all of the requirements for electromagnetic compatibility in a single document. As such, it is considered as an overview document for measuring relays and protection
36、equipment. The detailed test procedures are given in other referenced standards. 6 60255-26 IEC:2008 MEASURING RELAYS AND PROTECTION EQUIPMENT Part 26: Electromagnetic compatibility requirements 1 Scope and object This part of IEC 60255 is applicable to measuring relays and protection equipment for
37、power system protection, including the control, monitoring and process interface equipment used with those systems. This standard specifies the essential requirements for electromagnetic compatibility for measuring relays and protection equipment intended to be used at industrial locations. Measurin
38、g relays and protection equipment used in substations and power plants may require higher immunity test levels. For equipment not incorporating electronic circuits, for example electromechanical relays, tests according to this standard are not required. The requirements specified in this standard ar
39、e applicable to measuring relays and protection equipment in a new condition and all tests specified are type tests only. 1.1 Emission The object of this standard is to specify limits and test methods, for measuring relays and protection equipment in relation to electromagnetic emissions which may c
40、ause interference in other equipment. These emission limits represent electromagnetic compatibility essential requirements and have been selected to ensure that the disturbances generated by measuring relays and protection equipment, operated normally in substations and power plants, do not exceed a
41、 level which could prevent other equipment from operating as intended. Test requirements are specified for the enclosure and power supply ports. 1.2 Immunity The object of this standard is to specify the essential immunity test requirements for measuring relays and protection equipment in relation t
42、o continuous and transient, conducted and radiated disturbances, including electrostatic discharges. These test requirements represent the essential electromagnetic compatibility immunity requirements selected to ensure an adequate level of immunity for measuring relays and protection equipment. NOT
43、E 1 Safety considerations are not covered in this standard. NOTE 2 In special cases, situations will arise where the levels of disturbance may exceed the levels specified in this standard, for example where a hand-held transmitter is used in close proximity to measuring relays and protection equipme
44、nt. In these instances, special precautions may have to be employed. 60255-26 IEC:2008 7 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition
45、of the referenced document (including any amendments) applies. IEC 60255-11:1979, Electrical relays Part 11: Interruptions to and alternating component (ripple) in d.c. auxiliary energizing quantity of measuring relays IEC 60255-22-1:2007, Measuring relays and protection equipment Part 22-1: Electri
46、cal disturbance tests 1 MHz burst immunity tests IEC 60255-22-2:1996, Electrical relays Part 22: Electrical disturbance tests for measuring relays and protection equipment Section 2: Electrostatic discharge tests IEC 60255-22-3:2007, Measuring relays and protection equipment Part 22-3: Electrical di
47、sturbance tests Radiated electromagnetic field immunity IEC 60255-22-4:2002, Electrical relays Part 22-4: Electrical disturbance tests for measuring relays and protection equipment Electrical fast transient/burst immunity test IEC 60255-22-5:2002, Electrical relays Part 22-5: Electrical disturbance
48、tests for measuring relays and protection equipment Surge immunity test IEC 60255-22-6:2001, Electrical relays Part 22-6: Electrical disturbance tests for measuring relays and protection equipment Immunity to conducted disturbances induced by radio frequency fields IEC 60255-22-7:2003, Electrical re
49、lays Part 22-7: Electrical disturbance tests for measuring relays and protection equipment Power frequency immunity tests IEC 60255-25:2000, Electrical relays Part 25: Electromagnetic emission tests for measuring relays and protection equipment CISPR 22:2006, Information technology equipment Radio disturbance characteristics Limits and methods of measurement IE