IEC 60282-2-2008 High-voltage fuses - Part 2 Expulsion fuses《高压熔断器.第2部分 冲击式熔断器》.pdf

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1、 IEC 60282-2 Edition 3.0 2008-04 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage fuses Part 2: Expulsion fuses Fusibles haute tension Partie 2: Coupe-circuit expulsion IEC 60282-2:2008 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unles

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16、0 2008-04 INTERNATIONAL STANDARD NORME INTERNATIONALE High-voltage fuses Part 2: Expulsion fuses Fusibles haute tension Partie 2: Coupe-circuit expulsion INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XA ICS 29.120.50 PRICE CODE CODE PRIX ISBN 2-8318-9739-4 2 60

17、282-2 IEC:2008 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references .6 3 Terms and definitions .7 3.1 Electrical characteristics7 3.2 Fuses and their component parts (see Figure 1)9 3.3 Additional terms 11 4 Service conditions 12 4.1 Normal service conditions .12 4.2 Special service conditions .12 5

18、 Classification and designation 12 5.1 Classification.12 5.2 Fuse-link speed designation13 6 Ratings.13 6.1 General .13 6.2 Rated voltage13 6.3 Rated current 14 6.4 Rated frequency14 6.5 Rated breaking capacity14 6.6 Rated insulation level (of a fuse or fuse-base).14 7 Standard conditions of use and

19、 behaviour 15 7.1 Standard conditions of use with respect to breaking capacity 15 7.2 Standard conditions of behaviour with respect to breaking capacity.15 7.3 Time-current characteristics 16 7.4 Temperature and temperature rise 16 7.5 Electromagnetic compatibility 17 7.6 Mechanical requirements (fo

20、r distribution fuse-cutouts).17 8 Type tests 17 8.1 Conditions for performing the tests17 8.2 List of type tests and test reports.17 8.3 Common test practices for all type tests 18 8.4 Dielectric tests 18 8.5 Temperature-rise tests 19 8.6 Breaking tests .20 8.7 Time-current characteristics tests24 8

21、.8 Mechanical tests (for distribution fuse-cutouts)25 8.9 Artificial pollution tests 25 9 Special tests.26 9.1 General .26 9.2 Lightning surge impulse withstand test 26 10 Acceptance tests 27 11 Markings and information .27 11.1 Identifying markings 27 11.2 Information to be given by the manufacture

22、r27 12 Application guide27 60282-2 IEC:2008 3 12.1 Object .27 12.2 General .28 12.3 Application 28 12.4 Operation 30 12.5 Information about special requirements not covered by this standard 30 Annex A (informative) Reasons for the selection of breaking-test values48 Annex B (informative) Typical dim

23、ensions for fuse-links having an inner arc-quenching tube and used in distribution fuse-cutouts and open-link cutouts.50 Annex C (informative) Operating rods for fuses52 Bibliography53 Figure 1 Terminology for expulsion fuses.42 Figure 2 Diagram of connections of a three-pole fuse 43 Figure 3 Typica

24、l diagrams for breaking tests44 Figure 4 Breaking-test arrangement of the equipment45 Figure 5 Breaking-test interpretation of oscillograms46 Figure 6 Representation of a specified TRV by a two-parameter reference line and a delay line47 Figure 7 Example of prospective test TRV with two-parameter en

25、velope which satisfies the conditions to be met during type test.47 Figure B.1 Typical dimensions for fuse-links having an inner arc-quenching tube, and used in distribution fuse-cutouts and open-link cutouts .51 Table 1 Altitude correction factors for insulation levels.30 Table 2 Altitude correctio

26、n factors for temperature rise 30 Table 3 Rated voltages 31 Table 4 Rated insulation levels (Series I).32 Table 5 Rated insulation levels (Series II)33 Table 6 Test parameters34 Table 7 Values of circuit-power factor for test duty 435 Table 8 Standardized values of transient recovery voltage for tes

27、t duties 1, 2 , 3 and 4 Class A fuses Representation by two parameters Tests at rated voltage.36 Table 9 Standardized values of transient recovery voltage for test duties 1, 2, 3 and 4 Class B fuses Representation by two parameters Tests at rated voltage.37 Table 10 Limit values for pre-arcing time-

28、current characteristics Fuse-links designated type K.38 Table 11 Limit values for pre-arcing time-current characteristics Fuse-links designated type T .39 Table 12 Temperature and temperature-rise limit values of parts and materials .40 Table 13 Dielectric tests (where the terminal opposite the ener

29、gized terminal is earthed when testing the base with the fuse-link removed) .41 Table 14 Size of the conductors for the temperature-rise tests.41 4 60282-2 IEC:2008 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HIGH-VOLTAGE FUSES Part 2: Expulsion fuses FOREWORD 1) The International Electrotechnical C

30、ommission (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 standardization in the electrical and electronic fields. To this end a

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35、nsible 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 possible in their national and regional publications. Any divergenc

36、e 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 equipment declared to be in conformity with an IEC Publication. 6) A

37、ll 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 National Committees for any personal injury, property damage

38、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) Attention is drawn to the Normative references cited in this publica

39、tion. 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 shall not be held responsible for identifying any or all such

40、 patent rights. International Standard IEC 60282-2 has been prepared by subcommittee 32A: High-voltage fuses, of IEC technical committee 32: Fuses. This third edition cancels and replaces the second edition, published in 1995, and constitutes a technical revision. The main changes with regard to the

41、 previous edition concern the following: Class C has been eliminated; TRV values have been reviewed and, where appropriate, harmonized with IEC 62271-100:2001, its amendment 1 (2002) and amendment 2 (2006); tests for non-ceramic insulators have been included; a lightning surge impulse withstand test

42、 for fuse-links has been included; an homogeneous series has been redefined. 60282-2 IEC:2008 5 The text of this standard is based on the following documents: FDIS Report on voting 32A/261/FDIS 32A/264/RVD Full information on the voting for the approval of this standard can be found in the report on

43、 voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the parts in the IEC 60282 series, under the general title High-voltage fuses, can be found on the IEC website. The committee has decided that the contents of this

44、 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 reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 60282-2 IEC:200

45、8 HIGH-VOLTAGE FUSES Part 2: Expulsion fuses 1 Scope This part of IEC 60282 specifies requirements for expulsion fuses designed for use outdoors or indoors on alternating current systems of 50 Hz and 60 Hz, and of rated voltages exceeding 1 000 V. Expulsion fuses are fuses in which the arc is exting

46、uished by the expulsion effects of the gases produced by the arc. Expulsion fuses are classified according to the TRV (transient recovery voltage) capability in classes A and B. This standard covers only the performance of fuses, each one comprising a specified combination of fuse-base, fuse-carrier

47、 and fuse-link which have been tested in accordance with this standard; successful performance of other combinations cannot be implied from this standard. This standard may also be used for non-expulsion fuses in which the interruption process waits for natural current zero to clear the circuit. NOT

48、E 1 See Clause 5 and Clause 12 for specific information regarding the selection of fuse class. NOTE 2 Fuses required for the protection of capacitors and for transformer circuit applications are subject to additional requirements (see IEC 60549 1 1or IEC 60787 2). NOTE 3 This standard does not cover

49、 load-switching nor fault-making capabilities. Information regarding requirements related to switching capabilities may be found in IEC 60265-1 3. NOTE 4 This standard does not cover aspects related to the level of noise, nor the emission of hot gases inherent to some types of expulsion fuses during the process of interruption of fault currents. 2 Normative ref