HD 21 1 S2-1990 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《额定电压450 750V(包括450 750V)以下的聚氯乙烯绝.pdf

《HD 21 1 S2-1990 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《额定电压450 750V(包括450 750V)以下的聚氯乙烯绝.pdf》由会员分享，可在线阅读，更多相关《HD 21 1 S2-1990 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《额定电压450 750V(包括450 750V)以下的聚氯乙烯绝.pdf（26页珍藏版）》请在麦多课文档分享上搜索。

1、3404583 O033874 2 C EN E LEC Rur e4- P. mt. 5 - lo00 SRUXCLLEO T.:I+P.P)810 O0 71 -TWmrrP67CUoab 6.n +39Q51$Wl9Tu.u*:oWpOlooO7 HO 21.1 S2 REPRINT ISSU0 1 1990-03-02 H8rCh 1990 ION Conductours ot ciblos irols ru srsigno au plus galo i 4501750 V Promiro prrtio: Proscriptions Teil 1: Allgomoino Anfordo

2、rungon ginrrlor Polyvinylchlorid-isoliorto bis 454J750 V I polychloruro de vinyle, de tonsion Loitungon mit NOnnSplnnUngOn RD: IEC 227-1 (1979) od 1: IWTC 20 (not appondod) This HarmonLzrtion Documont consists of tho following: r- Titlo Pago Rolrtod to Directives 13123lEEC font prepared by CENELECIT

3、C 20 dato of ratification : 1969-12-05 date of announcornont : 1990-06-01 drto Of latost publicrtion : 1990-12-01 d8tO of withdraw81 : 1990-12-01 LIST OF NATIONAL STANDARDS IS GIVEN OVERLEAF COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesM 3

4、404583 0033875 4 HARHONIZEO NATIONAL STANOAROS HO 21.1 S2 AT : OVE-lOl; OVE-K418/1981 BE : NON C 32-123 (1987) DE : DIN VOE 0281 Toil 1/04,85; DIN VOE 0293/02.88; DIN 57 207 Toil 41VOE 0207 Toil 4106.66r DIN 57 207 toil 5/VDE 0207 Toil 5107.86; Anhang 1 DIM 57 298 Toil 3/VDE 0298 Teil 3IOb.83; DIN V

5、OE 0298 toil 4/02.88; DIN VOE 0289 Toil 1103.88; DIN VOE 0289 Toil 2/03.88 OK : SR 36-1 (1985) ES : UNE 21-031-83 Part I (1983) FI : E HO 21.S2-84 FR : NF C 32-201 (1984) GR : LOT 843 (1986); ELOT 291.1 (1962) I : IS : IT : CE1 UNEL 00722 (19871 LU : NOS NL : NEM 3621 (1984) NO : NEHKO 182.1184 PT ;

6、 NP 2356/1 (1984) SB : SS 424 02 31-1 (1985) COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesW 3404583 0033876 b I HO 21.1 S2 REPRINT MirrCh 1590 I ENGLISH VERSION DesCriPtors: Conductor, cable, flexiblo cable, rigid able, single coro cablo,

7、multicoro cable, conductor mrtorirl, flat cablo, tinsel cord, compound, polyvinyl chlorido, insulation compound, typo test, sample test, routine test, nominr voltago, mark, common marking, identification, ColOur scheme, construction, insulation, fillor, shoath, covering, internal covoring, extruded

8、covering, thickness, mean value, specified value, electrical resiltance, test, tensilo stronght, elongation rt broak, ageing, loss of mass, non Contamination, hart shock, prossuro, high temperatuto, low temperature, elongation at low temporaturo, comploto cablo, ovorrll dimensions, bonding, flexing,

9、 voltage test, insulrtion reristrnce, rbsonco of short circuits, spark (test), snatch (test) , seporrtion of coros, test (under) firo (conditions), guide to use POLYVINYL CHLORIDE INSULATED CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450f730 V PART 1: GENERAL REQUIREMENTS Conductours ot ciblos isol

10、s au polychloruro do vinylo, do tonsion rssigno au plus U being the r.m.8. value between any two phase-conductors of a multicore cable or of a system of single-core cables. , COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling ServicesI 3404583 0013L T -

11、6- HD21.1S2 - REPRINT In an alternating current system, the rated voltage of a cable shall be at least equal to the nominal voltage of the system for which it is intended. This condition applies both to the value U, and to the value U. In a direct current system, the nominal voltage of the system sh

12、all be not higher than 1.5 times the rated voltage of the cable. - Note: The operating voltage of a system may permanently exceed the nominal voltage of such a system by 10%. a 10% higher operating voltage than its rated voltage if the latter is at least equal to the nominal voltage of the system. A

13、 cable can be used at 3. Ma rkinq 3.1 Indication of origin Cables shall be provided with an identification of origin consisting of: 1. Either the manufacturers identification thread, 2. Or the continuous marking of the manufacturers name or trademark, or (if legally protected) identification number,

14、 by one of the three following alternative methods: a) Printed tape within the cable; b) Printing, indenting or embossing on the insulation Of at least one core (the core coloured light blue, if any) . c) Printing, indenting or embossing on the sheath, if any. 3.1.1 Continuity of marks The distance

15、between the end of one complete set of marks and the beginning of the next shall not exceed: 500 mm if the marking is on the sheath: 200 mm if the marking is on the insulation or on a tape. 3.2 Durabilitx Printed markings shall be durable. shall be checked by the test given in Sub-clause 1.8 of Part

16、 2. Compliance with this requirement 3.3 Legibility All markings shall be legible. The colours of the identification threads shall be easy to recognize or easily made recognisable, if necessary by cleaning with petrol or other suitable solvent, COPYRIGHT European Committee for Electrotechnical Stand

17、ardizationLicensed by Information Handling ServicesW 3404583 0013882 1 3.4 -7- HD21.1S2 - REPRINT Common Markinq If the Common Marking (OHARa) is used, it shall be as specified in the “Agreement on the use of the Common Marking for cables and cords complying with Harmonized Specificationft. 1) Eithe

18、r the common thread as specified and allotted in Appendix 2 to the above mentioned tlAgreementll. It shall consist of: 2) Or a continuous (see 3.1.1) marking of the symbols specified and allotted in Appendix 1 to the above mentioned “Agreement“, by one of the three alternative methods a), b), c) spe

19、cified in Sub-clause 3 . 1 . . 3.5 Use of the name CENELEC The name CENELEC, in full or abbreviated, shall not be directly marked on, or in, the cables. 4. Core identification The cores shall be identified by colours, achieved by the use of coloured insulation or by a coloured surface. Each core of

20、a multicore cable shall have only one colour except the core identified by a combination of the colours green and yellow. In multicore cables, the colours green and yellow shall not be used separately as single colours. The colours shall be clearly identifiable and durable. shall be checked by the t

21、est given in Sub Clause 1.8 of Part 2. The colour schemes shall be as follows: Durability 4.1 Flexible cables The core colours for flexible cables and cords shall be in cccordance With HD 308. 4.2 Single core non-sheathed cables The core colours, which should be a reasonable match to those given in

22、HD 402, shall be chosen from the following: a) For cable type H05V (Part 3, Clauses 4 and 5; Part 7, Clause 2) the following mono-colours are recognised: black, blue, brown, grey, orange, pink, red, turquoise, violet, white, green and yellow. e Bi-colours of any combination of the above mono- colour

23、s are permitted. The distribution of the colours for the core bi-coloured greedyellow shall comply with Part 1 Sub-clause 4*4. Note: The use of green or yellow in some countries may be forbidden or restricted by National safety or other regulations. In some countries, green ia specifically permitted

24、 for decorative chains. - COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Servicesm 3404583 0013883 3 m 4.3 4 .4 -8 HD21.1S2 - REPRINT b) For cable type H07V (Part 3, Clauses 2 and 3; Part 9) the following mono-colours are recognised: black, blue, br

25、own, grey, orange, pink, red, turquoise, violet and white. Bi-colours shall not be used except the combination of the mono-colours green and yellow, the distribution of the colours of which shall comply with Part 1 sub-clause 4.4. - Note: Other nono-colours are permitted by National standards, pendi

26、ng CENELEC TC64 harmonisation of installation rules e Multicore sheathed cables for fixed wiring The colour scheme is under consideration. Colour combination green/yellow The distribution of the colours for the core coloured greeniyellow shall comply with the following condition (which is in accorda

27、nce with HD 308): for every 15 mm length of core, one of these colours shall cover at least 30% and not more than 70% of the surface of the core, the other colour covering the remainder. - Note: Information on the use of the colours greeniyellow and light blue. It is understood that the colours gree

28、n and yellow, when they are combined as specified above are recognised exclusively as a means of identification of the core intended for use as earth connection or similar protection, and that the colour light blue is intended for the identification of the core intended to be connected to neutral. I

29、f, however, there ia no neutral, light blue can be used to identify any core except the earthing or protective conductor. 5. General requirements for the construction of cables 5.1 Conductors 5.1.1 Mat er ia 1 The conductora shall consist of annealed copper, except for the wires of tinsel corda, for

30、 which a copper alloy may be used. be tinned. The wires may 5.1 e2 Construction The maximum diameters of the wires of flexible conductors - other than the conductors of tinsel cords - and the minimum number of the wires of rigid conductors shall be in accordance with HD 383. The classes of the condu

31、ctors relevant to the various types of cables are given in the particular specifications. COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services3404583 0013884 5 -9- HD21.1S2 - REPRINT Conductors of cables for fixed installations shall be circular

32、solid, circular stranded or compacted circular stranded conductors. For tinsel cords each conductor shall comprise a number of strands or groups of strands, twisted together, each strand being composed Of one or more flattened wires of copper or copper alloy, helically.wound on a thread of cotton, p

33、olyamide or similar material. 501.3 Check of construction Compliance with the requirements of Part 1 Sub-clauses 5.1.1 and 5.1.2, including the requirements of HD 383 shall be checked by inspection and by measuremsnt . 5.1.4 Electric resistance For cables other than tinsel cords the resistance of ea

34、ch conductor at 20oC shall be in accordance with the requirements of HD 383 for the given class of the conductor. For tinsel cords, the maximum resistance at 2OoC shall be as specified in Part 5, Clause 2. Compliance shall be checked by the test given in Part 2 Sub-clause 2.1. 5*2 Insulation 5.2.1 M

35、aterial The insulation shall be polyvinyl chloride compound of the type specified for each type of cable in the particular specifications. The test requirements for these compounds are specified in Part 1 Table I. The insulation compounds TI1, TI2 and TI4 are intended for a maximum continuous conduc

36、tor temperature of 7OOC. The insulation compound TI3 is intended for a maximum continuous conduotor temperature of 90C. The maximum temperatures for short-circuit conditions are given in Appendix 1 to Part 1. 5.2.2 Application to the conductor The insulation shall be so applied that it fits closely

37、on the conductor, but, for cablea other than tinsel cords, it shall be poaaible to remove it without damage to the insulation itself, to the conductor or to the tin coating if any. inspection and by manual test. Compliance shall be checked by COPYRIGHT European Committee for Electrotechnical Standar

38、dizationLicensed by Information Handling Services3404583 0033885 7 _1 9.1 8.1 8.1 6.1.4 irg, 1 Ref. No. - - - 1. 1.1 1.1.1 1.1.2 1 b2 1.2.1 1.2.1 1 b2”: 2. 2.1 2.2 3. 3.1 3.2 - * Va - 10 - TABU I ReqUWlMl ts for the mlectrical test for polyvinyl chloride (PVC) insulatiai rni.ls2 - REpm - Test ykucin

39、rmi rated caiductor temperature rensile strewst h and el- tim at break proFertieJ3 In the state as delivered. values to be obtained for the temile sttwgth: -median, min. value3 to be obtained for the elaAcn at break: -median, min. roperties after ageing In air IVen ralw to be obtained for the mile s

40、trerigth: .median, min. variation *, max. ilaltes to be obtainsd for the Loss of ms, m. 3 uzit OC N/lUtl2 % OC h N/lUtl 96 % 96 OC h aig/ana 4 5 6 7 ILpe of canpand - TI1 70 12.5 125 52 7x24 12.5 ta 425 +a - 804 734 2.0 B- 70 - - 10.0 150 e(k2 7x54 10.0 - +a I50 ta - 804 7z4 2.0 binRaf. No. 1.2.1 m-

41、 - )o - 15.0 150 1w 14x24 15.0 - +25 150 - 4.25 11% 14x24 1.5 0 - E 12.5 125 80+2 7z4 12.5 +a - 125 - +a 8oc2 7x24 2.0 - I - m 8 9 Test metM HD 7Eizz- 505.1.1 505.1.; 505.3.2 505.1 . m wiurut E COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services

42、m 3404583 OOL388b 9 m 1 xx No. 2 ieat shock test est oaditiars: temperature I duratiai of treatment. lesult to be obtained ressuretestathgh tanpera ture :est caiditionis: fwcel exerted by the blade load I dUratiai Of heat- UXIW tanperature k3llt to be obtained: median of the depth of indent- ation,

43、aieXimm 3endiryt test at low JmperatUre rh ccnditiw: -tewu=- period of applicaticn of Rssulttobsobtakied low taperatura Elao;atim teat at lw temperatuie Te Type TM2 for flexible cables. The test requirements for these compounds are specified in Part 1 Table II. Application The sheath shall be extrud

44、ed in a single layer: a) on the core, for single-core cables; b) The sheath shall not adhere to the cores. film or tape, may be placed under the sheath. In certain cases, indicated in the particular specifications, the sheath may penetrate into the spaces between the cores, thus forming a filling (s

45、ee Part 1 Sub-clause 5.4.2). on the assembly of cores and fillers or inner covering, if any, for other oables. A separator, consisting of a COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services- 14 - HD21.1S2 - REPRINT 5.513 Th i c kne s s The mea

46、n value of the thickness of the sheath shall be not less than the specified value for each type and size of cable shown in the tables of the particular specifications. However, the thickness at any place may be less than the specified value provided that the difference does not exceed O. 1 mm + 15%

47、of the specified value, unless otherwise specified. Compliance shall be checked by the test given in Part 2 Sub-clause 1.10. COPYRIGHT European Committee for Electrotechnical StandardizationLicensed by Information Handling Services3404583 O033890 O - 15 - HD21.1S2 - REPRINT TABLE II Requirements for

48、 the non-electrical test for polyvinyl chloride (PVC) sheath 1 Ref. No. 1. - 1.1 1.1.1 1.1,2 1 *2 1.201 1.2.2 1 e2.3 2. 2.1 2.2 3. 3.1 3.2 2 Test Pensile strength and elonga- ;ion at break ?roperties in the state as ielivered. Values to be obtained for the tensile strength: - median, min. Values to

49、be obtained for the elongation at break: - median, min, Properties after ageing in air Rgeing conditions: - temperature - duration of treatment Value to be obtained for the tensile strength: - median, min, - variation(*), max. Values to be obtained for the elongation at break: - median, min. - variation(*), max. Loss of mass test Ageing conditions Values to be obtained for the loss of mass, max. Test of non-contamination( 1 ) Ageing conditions Mechanical properties after Values to be obtained ageing 3 Unit N/mm2 % OC h N/mm2 96 % % mg/cm2 ii15 y