1、STD-BSI BS EN bL007-ENGL 1977 1b29bb7 0b32952 530 BRITISH STANDARD Tlransformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures The European Standar EN 61007 : 1997 has the status of a British Standard ICs 29.180 35 EN i107 : 1997 NO COPYI
2、NG WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGIPT LAW - _ STD-BSI BS EN b2007-ENGL 2997 Lb2LibbS Ob32953 Li77 BS EN 6107 : 1997 AmdNo. This British Standard, having been prepared under the direction of the Eiectrotechnicai Sector Board, was published under the authority of the Standards Bo
3、ard and comes jntn effect on 16 August 1997 Date Textafected 6 BSI 1997 National foreword This British Standard is the English language version of EN 61007 : 1997. It was denved by CENELEC from IEC 1007 : 1994. The CENELEC common modifications have been implemented at the appropriate piaces in the t
4、ext and are indicated by a side line in the margin. The UK participation in its preparation was entrusted to echnical ommitteti-“ EPL51, hnsfonners, indudors, magnetic components and ferrite materials, which has the responsibility to: - aid enquirem to understand the text; - present to the responsib
5、le inhmationaVEhropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; - monitor related international and European developments and promulgate them in the UK. r A list of organizations represented on this committee can be obtained on reque
6、st to its secrekuy From 1 January 1997, aU IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as LEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both sys
7、tems. Cross-references Attention is dram to the fact that CEN and CENELEC standards normaiy include an annex which lists nomative references to intedonal publications with their corresponding European publications. The British Standards which implement intrnationa or European publications referred t
8、o in this document may be found in the BSI Standards Cataogue under the section entided International Standards Correspondence Index, or using the Fbd facility of the BSI standards Electronic catalogue. Compliance with a British Standard does not of itself confer immunity from legai obligations. Sum
9、mary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 62, an inside back cover and a back cover. Amendments issued since publication ISBN O 680 21766 9 - STD-BSI BS EN b1007-ENGL 1997 1b24bb9 Ob32754 303 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE
10、 NORM EN 61007 May 1997 ICs 29.180 Descriptors: Electronic and telecommunication equipment, transformers, inductors, measuring methods, test procedures English version Transformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures (IEC 1007:1
11、994, modified) Transformateurs et inductances utiliss dans les quipements lectroniques et de tlcommunications - Mthodes de mesure et procdures dessais (CE1 1007: 1 994, modifie) Transformatoren und Drosseln fr die Anwendung in elektronischen und nachrichtentechnischen Einrichtungen. Memethoden und P
12、rfverfahren (IEC 1007: 1994, modifiziert) This European Standard was approved by CENELEC on 1 99743-1 1. CENELEC members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any altera
13、tion. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by tra
14、nslation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Irel
15、and, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Centrai Secretariat: rue de Stassart
16、35, B - 1050 Brussels * 1997 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61007:1997 E Page 2 EN 61007 : 1997 Foreword The text of the International Standard IEC 1007:1994, prepared by IEC TC 51, Magnetic components and ferrite
17、 materials, together with common modifications prepared by Reporting Secretariat SR 51, was submitted to the formal vote and was approved by CENELEC as EN 61 007 on 1997-03-1 1. The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an
18、 identical national standard or by endorsement (dop) 1 99843-0 1 - latest date by which the national standards conflicting with the EN have to be withdrawn (dw) 1 998-03-0 1 Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is informative. Annex ZA has b
19、een added by CENELEC. . at m * Page 3 EN 61007 : 1997 CONTENTS ClauSe 1 Scope . 2 Normative references . 3 Terminology . 4 Test procedures . 4.4.1 O 4.4.1 1 4.4.12 4.4.13 4.4.14 4.4.15 4.4.1 6 4.4.1 7 4.4.1 8 4.4.19 4.4.20 4.4.21 4.4.22 4.1 Test and measurement conditions . 4.1.1 Measurement uncerta
20、inty . 4.1.2 Alternative test methods 4.2 Visual inspection . 4.2.1 Protective screen position 4.2.2 Quality of solder joints . 4.3 Dimensioning and gauging procedure 4.4 Electrical test procedures . 4.4.1 Winding resistance . 4.4.2 Insulation tests . 4.4.3 Losses . 4.4.4 Inductance . . 4.4.5 Unbala
21、nce . 4.4.6 Capacitance 4.4.7 Transformation ratios . 4.4.8 Resonant frequency . Frequency response . Pulse characteristics Voltage-time product rating . Total harmonic distortion . Voltage regulation . Surface temperature . Screens . Noise Corona test Magnetic fields . . . 4.4.9 Signal transfer cha
22、racteristics Temperature rise Phase test (polarity) . page 5 5 7 11 11 11 11 11 12 12 14 14 14 15 19 20 22 28 31 34 36 40 40 41 43 44 45 46 47 49 50 52 52 Inrush current 55 Page 4 EN 61007 : 1997 4.5 Environmental test procedures . 4.5.1 General 4.5.2 Soldering 4.5.3 Robustness of terminations and i
23、ntegral mounting devices 4.5.4 Shock . 4.5.5 Bump 4.5.6 Vibration (sinusoidal) . 4.5.7 Acceleration. steady state . 4.5.8 Rapid change of temperature (thermal shock in air) 4.5.9 Sealing . 4.5.10 Climatic sequence . 4.5.1 1 Damp heat,.steady state 4.5.12 Dry heat 4.5.13 Mould growth . 4.5.14 Salt mi
24、st. cyclic (sodium chloride solution) 4.5.15 Sulphur dioxide test for contacts and connections . 4.5.16 Fire hazard . 4.5.17 Immersion in cleaning solvents 4.6 Endurance test procedures 4.6.1 Short-term endurance (load run) 4.6.2 Long-term endurance (life test) . 55 55 56 56 56 56 56 56 56 56 56 57
25、57 57 57 58 58 58 58 58 59 Annex ZA Normative references to international publications with their corresponding European publications . 60 *. * w STD-BSI BS EN bL007-ENGL 1797 Lb24bb7 Ob32758 T59 Page 45 EN 61007 : 1997 TRANSFORMERS AND INDUCTORS FOR USE MEASURING METHODS AND TEST PROCEDURES IN ELEC
26、TRONIC AND TELECOMMUNICATION EQUIPMENT - i Scope This standard describes measuring methods and test procedures for inductors and trans- formers for use in electronic and telecommunication equipment that may be involved in any specifications for such components, in particular those forming part of th
27、e IEC Quality Assessment System for Electronic Components (IECQ scheme). 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of IEC 1007. At the time of publication, the editions indicated were valid. All normative
28、documents are subject to revision, and parties to agreements based on IEC 1007 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IEC 27:
29、Letter symbols to be used in electrical technology IEC 44-4: 1980, Instnrment transformers - Part 4: Measurement of partial discharges IEC 50. International Electrotechnical Vocabulary (IEV) IEC 68-1: 1988, Environmental testing - Part 7: General and guidance Amendment 1 (1992) IEC 68-2: Environment
30、al testing - Part 2: Tests IEC 68-2-1: 1990, Environmental testing - Part 2: Tests - Tests A: Cold Amendment 1 (1993) IEC 68-2-2: 1974. Environmental testing - Part 2: Tests - Tests 8: Dry heat Amendment 1 (1993) IEC 68-2-3: 1969, Environmental testing - Part 2: Tests - Test Ca: Damp heat, steady st
31、ate IEC 68-2-6: 1982, Environmental testing - Part 2: Tests - Test Fc and guidance: Vibration (sinusoidal) STDoBSI BS EN b1007-ENGL 1777 D Lb29bb7 Ob32757 775 = Page 6 EN 61007 : 1997 IEC 68-2-7: 1983, Environmental testing - Part 2: Tests - Test Ga and guidance: Accel- eration, steady state Amendme
32、nt 1 (1986) IEC 68-2-10: 1988. Environmental testing - Part 2: Tests - Test J and guidance: Mould growth IEC 68-2-1 3: 1983. Environmental testing - Part 2: Tests - Test M: Low air pressure IEC 68-2-14: 1984, Environmental testing - Part 2: Tests - Test N: Change of temperature Amendment 1 (1986) IE
33、C 68-2-17: 1978, Environmental testing - Part 2: Tests - Test Q: Sealing Amendment 4 (1 991) IEC 68-2-20: 1979, Environmental testing - Part 2: Tests - Test T: Soldering Amendment 2 (1989) IEC 68-2-21: 1983, Environmental testing - Part 2: Tests - Test U: Robustness of termin- ations and integral mo
34、unting devices Amendment 2 (1991), Amendment 3 (1992) IEC 68-2-27: 1987, Environmental testing - Part 2: Tests - Test Ea and guidance: Shock IEC 68-2-29: 1987. Environmental testing - Part 2: Tests - Test Eb and guidance: Bump IEC 68-2-30: 1980, Environmental testing - Part 2: Tests - Test Db and gu
35、idance: Damp heat, cyclic (72 + 12-hour cycle) Amendment 1 (1985) IEC 68-2-42: 1982. Environmental testing - Part 2: Tests - Test Kc: Sulphur dioxide test for contacts and connections IEC 68-2-45: 1980, Environmental testing - Part 2: Tests - Test XA and guidance: Immer- sion in cleaning solvents IE
36、C 68-2-52: 1984. Environmental testing - Part 2: Tests - Test Kb: Salt. mist, cyclic (sodium chlaride solution) IEC 68-2-58: 1989. Environmental testing - Part 2: Tests - Test Td: Solderability, resistance to dissolution of metallization and to soldering heat of Surface Mounting Devices (SMD) IEC 27
37、0: 1981, Partial discharge measurements STD-BSI BS EN b2007-ENGL 1997 1b24bb9 Ob329b0 b07 Page 7 EN 61007 : 1997 IEC 367-1: 1982. Cores for inductors and transformers for telecommunications - Part 1: Measuring methods Amendment 1 (1984). Amendment 2 (1992) IEC 551 : 1987, Determination of transforme
38、r and reactor sound levels IEC 61 7, Graphical symbols for diagrams IEC 651: 1979, Sound level meters Amendment 1 (1993) IEC 695-2: Fire hazard testing - Part 2: Test methods IEC 695-2-2: 199. Fire hazard testing - Part 2: Test methods - Section 2: Needle-flame test IEC 695-2-4/0: 1991. fire hazard
39、testing - Part 2: Test methods - Section 4/Sheet O: Diffusion type and pre-mixed type flame test methods IEC 695-2-4/1: 1991, fire hazard testing - Part 2: Test methods - Section 4/Sheet 1: I kW nominal pre-mixed test flame and guidance IS0 3: 1973, Preferred numbers - Series of pr8ferred numbers -
40、I I - - _. IS0 497: 1973. Guide to the choice of series of preferred numbers and of series contain- * rn * ing more founded values of preferred numbers IS0 1000: 1992, SI units and recommendations for the use of their multiples and of certain other units 3 Terminology For the purpose of this standar
41、d the following definitions apply in addition to those of IEC 50: 3.1 component: A transformer or an inductor. 3.2 insulation is rated under working circuit conditions. peak working voltage: The maximum instantaneous voltage for which the winding 3.3 pulse waveform parameters (see figure 1 ) a) peak
42、 pulse amplitude, U,: The maximum value of an extrapolated smooth curve through the top of the pulse. excluding any initial “spike“ or “overshoot“, the duration of which is less than 10 Vo of the pulse duration. b) pulse duration, fd: The time interval between the first and last instants at which th
43、e pulse amplitude equals 50 % of the peak pulse amplitude. STD*BSI BS EN b1007-ENGL 1977 1b29bb7 Ob327b1 543 Page 8 EN 61007 : 1997 CL O 2 -* Y 8 t O -9 - 8 3 dr d - I. 1 I I l I I I I I I i I I I i I I I =K I l I I l I I I - +-I-+- 8 STD-BSI BS EN bL007-ENGL II977 Lb24bb7 Ob327b2 48T D Page 9 EN 61
44、007 : 1997 c) pulse rise time, tr: The interval between the first instant at which the pulse amplitude reaches 10 % of the peak pulse amplitude and th8 first instant at which the puise amplitude reaches 90 % of the peak pulse amplitude, excluding any unwanted or irrelevant portion of the waveform. d
45、) pulse fall time, tf: The interval between the last instant at which the pulse amplitude reaches 90 % of the peak pulse amplitude and the next instant at which the pulse amplitude reaches 10 YO of the peak pulse amplitude, excluding any unwanted or irrelevant portion of the waveform. NOTE - Where t
46、he value of the droop approaches 10 % of the peak pulse amplitude, the upper point defining fall time may be replaced by the last instant at which the pulse amplitude reaches 80 .A of the peak pulse amplitude. e) droop: The difference between the peak pulse amplitude and the amplitude of the extrapo
47、lated smooth curve through the top of the pulse, excluding any initial “spike“ or “overshoot“, at its intersection with the straight line through the points defining the pulse fall time, expressed as a percentage of the peak pulse amplitude. 1) pulse crest: The maximum amplitude of the pulse. g) ove
48、rshoot: The amount by which the pulse crest exceeds the peak pulse amplitude. Overshoot is expressed as a percentage of the peak pulse amplitude. h) backswing: The maximum amplitude of the reverse pulse, .e. the portion of the pulse after the rero-crossing, expressed as a percentage of the peak puls
49、e amplitude. i) return backswing: The maximum amplitude of the swing that follows the back- swing, expressed as a percentage of the peak pulse amplitude. j) recovery time: The time interval between the end of the pulse fall time and the time at which the pulse amplitude last reaches +10 % of the peak pulse amplitude. Excep- - - i - = = II _. * tionally, a figure less than 10 % may be used, in which case the interval is termed “the * X % recovery time“. rn , k) pulse repetition frequency (prf): The average number of pulse
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