BS EN 62011-2-2004 Insulating materials — nIndustrial rigid nmoulded laminated ntubes and rods of nrectangular and nhexagonal ncross-section based on nthermosetting resins nfor ele.pdf

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1、BRITISH STANDARD BS EN 62011-2:2004 Incorporating corrigendum April 2008 Insulating materials Industrial, rigid, moulded, laminated tubes and rods of rectangular and hexagonal cross-section, based on thermosetting resins for electrical purposes Part 2: Methods of test ICS 29.035.20 BS EN 62011-2:200

2、4 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 14 May 2004 BSI 2008 ISBN 978 0 580 61700 3 National foreword This British Standard is the UK implementation of EN 62011-2:2004. It is identical with IEC 62011-2:2004. Together with BS EN 6201

3、1-1:2002 and BS EN 62011-3-1:2003, it supersedes BS 6128-4:1981 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee GEL/15, Insulating material, to Subcommittee GEL/15/3, Material specifications. A list of organizations represented on this subcommittee ca

4、n be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since

5、publication Date Comments 30 April 2008 Updated supersession details in national foreword EUROPEAN STANDARD EN 62011-2 NORME EUROPENNE EUROPISCHE NORM March 2004 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Ele

6、ktrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62011-2:2004 E ICS 29.035.20 English version Insulating materials Industrial, rigid, moulded, l

7、aminated tubes and rods of rectangular and hexagonal cross-section, based on thermosetting resins for electrical purposes Part 2: Methods of test (IEC 62011-2:2004) Matriaux isolants Tubes et barres industriels, rigides, mouls, stratifis, de sections transversales rectangulaires ou hexagonales, base

8、 de rsines thermodurcissables, usages lectriques Partie 2: Mthodes dessai (CEI 62011-2:2004) Isolierstoffe Formgepresste Rohre und Stbe mit rechteckigem und sechseckigem Querschnitt aus technischen Schichtpressstoffen auf der Basis warmhrtender Harze fr elektrotechnische Zwecke Teil 2: Prfverfahren

9、(IEC 62011-2:2004) This European Standard was approved by CENELEC on 2004-03-01. CENELEC members are bound to comply 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 a

10、nd 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 translation under the respo

11、nsibility 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hung

12、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 61021-:20024 - - 2 Foreword The text of document 15C/1532/FDIS, future edition 1 of IEC 62011-2, prepared by SC 15C, Specif

13、ications, of IEC TC 15, Insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62011-2 on 2004-03-01. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard o

14、r by endorsement (dop) 2004-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-03-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62011-2:2004 was approved by CENELEC as a European Standard

15、without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61212-1 NOTE Harmonized as EN 61212-1:1995 (not modified). IEC 62011-1 NOTE Harmonized as EN 62011-1:2002 (not modified). _ Page2 BS EN 62011-2:2004-110264002:CE

16、I 2 3 CONTENTS FOERWORD.5 INTRODUCTION.4 1 Scope.5 2 Normative references5 3 Conditioning .6 4 Dimensions.6 4.1 External dimensions 6 4.2 Internal dimensions .6 4.3 Wall thickness .7 4.4 Departure from straightness Applicable to all tubes and rods.7 5 Mechanical tests.8 5.1 Flexural strength perpend

17、icular to laminations (rods only) 8 5.2 Axial compressive strength (tubes only) .10 6 Electrical tests11 6.1 General .11 6.2 Insulation resistance after immersion in water12 7 Other tests13 7.1 Water absorption.13 7.2 Density14 goilbiBrhpay514egaP 4002:211026NE 62011-2 IEC:2004 3 TNOCENTS FOERWORD.5

18、 NITROCUDTION.7 S 1cpoe.8 roN 2mvitae referneces8 gninoitidnoC 3 .9 iD 4mnesnois.9 xE 1.4retlan idmnessnoi 9 retnI 2.4lan idmnessnoi .9 W 3.4all ihtckenss .01 4.4 apeDrutre frmo strenthgiass ilppA csebut lla ot elba dna rdos.01 ceM 5cinahal etsts.11 1.5 elFxurla strep htgneridnepcralu al otmisnoitan

19、 r(sdo lnoy) 11 2.5 Axlai compressiev strhtgne (tsebu lnoy) .31 celE 6rtcila etsts41 1.6 Generla .41 2.6 nIsunoital resistnaca efret immersni noi waetr51 O 7reht etsts61 W 1.7aret basoroitpn.61 neD 2.7stiy71 Bibliography16 4egaP 4002:211026NE xennA ( AZnroamitve) Normitavr eeferet secno inretnitaola

20、n plbuicitaw snoiht serroc riehtpgnidno Eueporan pitacilbuosn.81 Annex ZA (normative) Normative references to international publications with serroc riehtpgnidno Eueporan pitacilbuosn81 Page3 Annex ZA (normative) Normative references to international publications with their corresponding European pu

21、blications15 BS EN 62011-2:2004-110264002:CEI 2 9 INTRODUCTION This part of IEC 62011 is one of a series which deals with industrial, rigid, moulded, laminated tubes of rectangular cross-section and rods of rectangular and hexagonal cross-section, based on thermosetting resins for electrical purpose

22、s. The materials are similar to those described in IEC 61212-1 but of different cross-section. This series, under the general heading Insulating materials Industrial, rigid, moulded, laminated tubes and rods of rectangular and hexagonal cross-section based on thermosetting resins for electrical purp

23、oses, consists of three parts: Part 1: Definitions, designations and general requirements Part 2: Methods of test Part 3: Specifications for individual materials IEC 62011-2 specifies the methods of test. 7egaP 4002:211026NE Page4 BS EN 62011-2:2004-110264002:CEI 2 11 INSULATING MATERIALS INDUSTRIAL

24、, RIGID, MOULDED, LAMINATED TUBES AND RODS OF RECTANGULAR AND HEXAGONAL CROSS-SECTION, BASED ON THERMOSETTING RESINS FOR ELECTRICAL PURPOSES Part 2: Methods of test 1 Scope This part of IEC 62011 deals with the test methods for industrial, rigid, moulded, laminated tubes and rods of rectangular and

25、hexagonal cross-section, based on thermosetting resins for electrical purposes. 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 of the re

26、ferenced document (including any amendments) applies. IEC 60167:1964, Methods of test for the determination of the insulation resistance of solid insulating materials IEC 60212:1971, Standard conditions for use prior to and during the testing of solid electrical insulating materials IEC 60243-1:1998

27、, Electric strength of insulating materials Test methods Part 1: Tests at power frequencies IEC 60296:1982, Specification for unused mineral insulating oils for transformers and switchgear IEC 62011-3 (all parts), Insulating materials Industrial, rigid, moulded, laminated tubes and rods of rectangul

28、ar and hexagonal cross-section, based on thermosetting resins for electrical purposes Part 3: Specifications for individual materials ISO 62:1999, Plastics Determination of water absorption ISO 178:2001, Plastics Determination of flexural properties ISO 604:2002, Plastics Determination of compressiv

29、e properties ISO 1183:1987, Plastics Methods for determining the density and relative density of non- cellular plastics ISO 5893:2002, Rubber and plastics test equipment Tensile, flexural and compression types (constant rate of traverse) Specification 8egaP 4002:211026NE Page5 BS EN 62011-2:2004-110

30、264002:CEI 2 31 3 Conditioning Unless otherwise specified, test specimens shall be conditioned immediately prior to testing for at least 24 h in standard atmosphere B according to IEC 60212 at a temperature of 23 C 2 K, and a relative humidity of (50 5) %. Unless otherwise specified, each specimen s

31、hall be tested in the conditioning atmosphere or the tests shall commence within 3 min of removal of each specimen from the conditioning atmosphere. 4 Dimensions 4.1 External dimensions 4.1.1 Test apparatus The external dimensions of rectangular tubes and rods and the distance between faces of a hex

32、agonal rod shall be determined using an instrument capable of measuring with an accuracy of 0,02 mm or better. This may be either a screw type micrometer gauge or a slide gauge (Vernier caliper). In the case of a screw type micrometer, the measuring faces shall be 6 mm to 8 mm in diameter, flat to w

33、ithin 0,01 mm and parallel to within 0,003 mm. Any other means of measurement which can be shown to give the same results is permissible but, in case of dispute, the screw type micrometer or the slide gauge shall be used. 4.1.2 Procedure 4.1.2.1 External dimensions of rectangular and square sections

34、 In the as received condition, measure the two dimensions (distance between opposite faces of the rod or tube) in three different planes perpendicular to the axis. In general, the measure- ments shall be made in the middle and at each end of the tube or rod, but not less than 20 mm from the ends. Re

35、cord the three results obtained for each of the two dimensions to the nearest 0,02 mm. 4.1.2.2 External dimensions of hexagonal sections In the as received condition, measure the distances between opposite faces of the rod in three different planes perpendicular to the axis. In general, the measurem

36、ents shall be made in the middle and at each end, but not less than 20 mm from the ends. Record the three results obtained for each of the three dimensions to the nearest 0,02 mm. 4.1.3 Results In the case of a rectangular or square rod or tube, report the arithmetic mean, minimum and maximum values

37、 in millimetres of the two dimensions of the rod or tube. In the case of an hexagonal rod, report the arithmetic mean, minimum and maximum values in millimetres of the distances between opposite faces of the rod. 4.2 Internal dimensions 4.2.1 Test apparatus The internal dimensions of square or recta

38、ngular tube shall be determined using an instrument capable of measuring with an accuracy of 0,02 mm or better. This may be either a screw type micrometer gauge or a slide gauge (Vernier caliper). 9egaP 4002:211026NE Page6 BS EN 62011-2:2004-110264002:CEI 2 51 Any other means of measurement, which c

39、an be shown to give the same results, is permis- sible, but in case of dispute, the screw type micrometer or the slide gauge shall be used. 4.2.2 Procedure In the as received condition, measure the two internal dimensions (distance between opposite internal faces of the tube) in a plane perpendicula

40、r to the axis at each end of the tube. The dimensions shall be measured in three places approximately in the middle and close to the corners of the cross-section. Record the results obtained. 4.2.3 Results Report the arithmetic mean of the measurements taken for each of the two internal dimensions.

41、Report also the minimum and maximum values measured. 4.3 Wall thickness 4.3.1 Test apparatus The wall thickness of square or rectangular tubes shall be determined using an instrument capable of measuring with an accuracy of 0,02 mm or better. This may be either a slide gauge (Vernier caliper) or a s

42、crew type micrometer gauge with a pin foot, which allows measurements to be made close to the corners of the tube. Any other means of measurement, which can be shown to give the same results, is permissible but, in case of dispute, the screw type micrometer or the slide gauge shall be used. 4.3.2 Pr

43、ocedure Measure the wall thickness of the tube in the as received condition. Measure at each end of the tube, the thickness of the four different walls close to the corners and approximately in the middle. Record the results obtained. 4.3.3 Results Report the arithmetic mean of the measured values t

44、o the nearest 0,02 mm as the wall thickness of the tube. Report also the minimum and maximum values recorded. 4.4 Departure from straightness Applicable to all tubes and rods 4.4.1 Test specimens The test specimen shall be the tube or rod under test. Where appropriate, the tube or rod should be trim

45、med to length so as to remove excess resin or flashing from the ends prior to carrying out the test. 4.4.2 Method The length of the tube or rod shall be measured in millimetres to the nearest 1,0 mm and recorded. The tube or rod shall then be placed with one face on a flat, horizontal surface. The t

46、ube or rod is then turned so that each face in turn is in contact with the surface until the position where the ends are in contact with the surface and the maximum gap occurs. The tube or rod is then maintained in this position without applying any pressure, which may deform it. Measure the maximum

47、 gap between the rod or tube and the flat horizontal surface, using feeler gauges or slip gauges. 01egaP 4002:211026NE Page7 BS EN 62011-2:2004-110264002:CEI 2 71 NOTE In the event that the centre of the tube or rod has a larger cross-section, and the ends do not touch the flat, horizontal surface,

48、measure the gap at each end of the tube or rod, and record the difference of the two readings at the ends. 4.4.3 Results Report the maximum value obtained in millimetres to the nearest 0,1 mm as the departure from straightness of the rod or tube under test. The method of calculation for the permissible departure from straightness as function of the length is given in IEC 62011-3. 5 Mechanical tests 5.1 Flexural strength perpendicular to laminations (rods only) 5.1.1 General The flexural strength shall be determined by the method specified in ISO 178. The test instr