IEC 61869-4-2013 Instrument transformers - Part 4 Additional requirements for combined transformers《仪表变压器.第4部分 组合式变压器的附加要求》.pdf

1、 IEC 61869-4 Edition 1.0 2013-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Instrument transformers Part 4: Additional requirements for combined transformers Transformateurs de mesure Partie 4: Exigences supplmentaires concernant les transformateurs combins IEC61869-4:2013 THIS PUBLICATION IS COPYR

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16、ument transformers Part 4: Additional requirements for combined transformers Transformateurs de mesure Partie 4: Exigences supplmentaires concernant les transformateurs combins INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE S ICS 17.220.20 PRICE CODE CODE PRIX I

17、SBN 978-2-8322-1215-8 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette

18、publication via un distributeur agr. 2 61869-4 IEC:2013 CONTENTS FOREWORD . 3 1 Scope 7 2 Normative references 7 3 Terms, definitions and abbreviations . 7 4 Normal and special service conditions . 10 5 Ratings 10 6 Design and construction 10 7 Tests . 11 8 Rules for transport, storage, erection, op

19、eration and maintenance . 18 9 Safety 18 10 Influence of products on the natural environment . 18 Annexes . 18 Annex 4A (normative) The mutual influence of current and voltage transformers . 19 Figure 401 Geometrical construction of the circuit 14 Figure 402 Measurement 4 16 Figure 403 Measurement 5

20、 16 Figure 404 Error diagram of a voltage transformer class 0,2 17 Figure 405 Error diagram of a current transformer class 0,2 at 5 % of rated current 17 Figure 4A.1 Current conductor and magnetic field influencing a voltage transformer . 20 Table 10 List of tests 11 61869-4 IEC:2013 3 INTERNATIONAL

21、 ELECTROTECHNICAL COMMISSION _ INSTRUMENT TRANSFORMERS Part 4: Additional requirements for combined transformers FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committee

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31、lications 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 shall not be held responsible for identifying any or all such patent rights. This Internatio

32、nal Standard IEC 61869-4 has been prepared by IEC technical committee 38: Instrument transformers. This standard replaces IEC 60044-3: Combined transformers. The text of this standard is based on the following documents: FDIS Report on voting 38/468/FDIS 38/472/RVD Full information on the voting for

33、 the approval 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 61869-4 IEC:2013 This standard is Part 4 of IEC 61869, published under the general title Instrument transformers. T

34、his Part 4 is to be read in conjunction with, and is based on, IEC 61869-1 General Requirements first edition (2007), IEC 61869-2, Additional requirements for current transformers first edition (2012) and IEC 61869-3, Additional requirements for inductive voltage transformers first edition (2011) ho

35、wever, the reader is encouraged to use the most recent edition of these documents. This Part 4 follows the structure of IEC 61869-1, IEC 61869-2 and IEC 61869-3 and supplements or modifies its corresponding clauses. When a particular subclause of Part 1, 2 or 3 is not mentioned in this Part 4, that

36、subclause applies as far as is reasonable. When this standard states “addition”, “modification” or “replacement”, the relevant text in Part 1, 2 or 3 is to be adapted accordingly. For additional clauses, subclauses, figures, tables, annexes or notes, the following numbering system is used: clauses,

37、subclauses, tables and figures that are numbered starting from 401 are additional to those in Part 1, 2 or 3; additional annexes are lettered 4A, 4B, etc. An overview of the planned set of standards at the date of publication of this document is given below. The updated list of standards issued by I

38、EC TC38 is available at the website: www.iec.ch 61869-4 IEC:2013 5 PRODUCT FAMILY STANDARDS PRODUCT STANDARD PRODUCTS OLD STANDARD 61869-1 GENERAL REQUIREMENTS FOR INSTRUMENT TRANSFORMERS 61869-2 ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS 60044-1 60044-6 61869-3 ADDITIONAL REQUIREMENTS FOR IND

39、UCTIVE VOLTAGE TRANSFORMERS 60044-2 61869-4 ADDITIONAL REQUIREMENTS FOR COMBINED TRANSFORMERS 60044-3 61869-5 ADDITIONAL REQUIREMENTS FOR CAPACITIVE VOLTAGE TRANSFORMERS 60044-5 61869-6 ADDITIONAL GENERAL REQUIREMENT FOR LOW POWER INSTRUMENT TRANSFORMERS 61869-7 ADDITIONAL REQUIREMENTS FOR ELECTRONI

40、C VOLTAGE TRANSFORMERS 60044-7 61869-8 ADDITIONAL REQUIREMENTS FOR ELECTRONIC CURRENT TRANSFORMERS 60044-8 61869-9 DIGITAL INTERFACE FOR INSTRUMENT TRANSFORMERS 61869-10 ADDITIONAL REQUIREMENTS FOR LOW-POWER STAND-ALONE CURRENT SENSORS 61869-11 ADDITIONAL REQUIREMENTS FOR LOW POWER STAND ALONE VOLTA

41、GE SENSORS 60044-7 61869-12 ADDITIONAL REQUIREMENTS FOR COMBINED ELECTRONIC INSTRUMENT TRANSFORMER OR COMBINED STAND ALONE SENSORS 61869-13 STAND ALONE MERGING UNIT 61869-14 ADDITIONAL REQUIREMENTS FOR DC CURRENT TRANSFORMERS 61869-15 ADDITIONAL REQUIREMENTS FOR DC VOLTAGE TRANSFORMERS 6 61869-4 IEC

42、:2013 The committee has decided that the contents of this publication will remain unchanged until the stability 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 reconfirmed, withdrawn, replaced by

43、a revised edition, or amended. 61869-4 IEC:2013 7 INSTRUMENT TRANSFORMERS Part 4: Additional requirements for combined transformers 1 Scope This part of IEC 61869 applies to newly-manufactured combined transformers for use with electrical measuring instruments and electrical protective devices at fr

44、equencies from 15 Hz to 100 Hz. The requirements and tests of this standard, in addition to the requirements and tests of IEC 61869-1, IEC 61869-2 and IEC 61869-3 cover current and inductive voltage transformers that are necessary for combined instrument transformers. 2 Normative references Clause 2

45、 of IEC 61869-1:2007 is applicable with the following modifications: Addition: IEC 60028, International Standard of resistance for copper IEC 60038, IEC standard voltages IEC 61869-1:2007, Instrument Transformers Part 1: General requirements IEC 61869-2:2012, Instrument Transformers Part 2: Addition

46、al requirements for current transformers IEC 61869-3:2011, Instrument Transformers Part 3: Additional requirements for inductive voltage transformers 3 Terms, definitions and abbreviations For the purposes of this document, the terms and definitions given in IEC 61869-1:2007, IEC 61869-2:2012 and IE

47、C 61869-3:2011, as well as the following apply. 3.1 General definitions 3.1.401 combined instrument transformer instrument transformer consisting of a current and a voltage transformer in the same enclosure 3.1.402 error of voltage transformer vratio error of voltage transformer determined with disc

48、onnected current transformer 8 61869-4 IEC:2013 3.1.403 phase displacement of voltage transformer vphase displacement of voltage transformer determined with disconnected current transformer 3.1.404 voltage induced by rated continuous thermal current Uv the voltage induced by the rated continuous the

49、rmal current of the current transformer in the voltage transformer defined as a measure of the maximum variation of the voltage error 3.1.405 greatest variation of voltage error vthe greatest possible variation of the ratio error of the voltage transformer due to voltage induced by the rated continuous thermal current of the current transformer 3.1.406 greatest variation of phase displacement vthe greatest pos