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1、BRITISH STANDARD BS EN 50182:2001 Incorporating Corrigenda Nos. 1 and 2 Conductors for overhead lines Round wire concentric lay stranded conductors The European Standard EN 50182:2001 has the status of a British Standard ICS 29.060.10 ? BS EN 50182:2001 This British Standard, having been prepared un
2、der the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 August 2001 BSI 2006 ISBN 0 580 38001 7 National foreword This British Standard is the official English language version of EN 50182:2001, including Co
3、rrigenda April 2004 and June 2005. NOTE Corrigendum June 2005 includes and replaces Corrigendum April 2004. The UK participation in its preparation was entrusted to Technical Committee GEL/7, Overhead electrical conductors, which has the responsibility to: A list of organizations represented on this
4、 committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using
5、the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. 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 does not of itself confer immunity from
6、 legal obligations. aid enquirers to understand the text; present to the responsible international/European 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 U
7、K. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 74, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Dat
8、eComments 15179 Corrigendum No. 1 2 June 2004See national foreword 15835 Corrigendum No. 2 28 April 2006Corrections to Table 3, subclause 5.10, Clauses B.3 and F.1, and addition of Tables F.49 to F.52 EUROPEAN STANDARD EN 50182 NORME EUROPENNE EUROPISCHE NORM May 2001 CENELEC European Committee for
9、Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
10、Ref. No. EN 50182:2001 E ICS 29.060.10 Incorporates Corrigendum April 2004 English version Conductors for overhead lines - Round wire concentric lay stranded conductors Conducteurs pour lignes ariennes - Conducteurs brins circulaires, cbls en couches concentriques Leiter fr Freileitungen - Leiter au
11、s konzentrisch verseilten runden Drhten This European Standard was approved by CENELEC on 2000-11-01. 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 alteratio
12、n. 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 transl
13、ation 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, Czech Republic, Denmark, Finland, France, Germany, Greece,
14、Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EN 50182:2001 - 2 - Foreword This European Standard was prepared by the Technical Committee CENELEC TC 7, Overhead electrical conductors. The text of the draft was submitted to the form
15、al vote and was approved by CENELEC as EN 50182 on 2000-11-01. 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 or by endorsement (dop) 2001-11-01 latest date by which the national standards conflicti
16、ng with the EN have to be withdrawn (dow) 2003-11-01 Annexes designated “normative“ are part of the body of the standard. Annexes designated “informative“ are given for information only. In this standard, annexes A, B, C and E are normative and annexes D and F are informative. The contents of the co
17、rrigendum of April 2004 have been included in this copy. - 3 - EN 50182:2001 Contents 1 Scope. 4 2 Normative references 4 3 Definitions 4 4 Designation system. 5 5 Requirements for stranded conductor 6 6 Tests 10 7 Packaging and marking. 15 8 Information to be clarified by the purchaser and manufact
18、urer. 16 Annex A (normative) Special national conditions 17 Annex B (normative) Calculation of nominal mass of grease for stranded conductors. 18 Annex C (normative) Stress - strain test method 21 Annex D (informative) Lay ratios used for calculation of increments due to stranding in Table 4 . 24 An
19、nex E (normative) Test for ability of a conductor to be erected using tension stringing . 25 Annex F (informative) Conductors in frequent use in some member countries 27 EN 50182:2001 - 4 - 1 Scope This European Standard specifies the electrical and mechanical characteristics of round wire concentri
20、c lay bare overhead electrical conductors stranded in alternate directions, with or without grease as per EN 50326, made of one or a combination of any of the following: a) Hard drawn Aluminium as per EN 60889 designated AL1 b) Aluminium alloy as per EN 50183 designated AL2 to AL7 c) Zinc coated ste
21、el wire as per EN 50189 with grade and class designated ST1A, ST2B, ST3D, ST4A, ST5E, and ST6C. d) Aluminium-clad steel wire as per EN 61232 with class designation 20SA (grades A and B), 27SA, 30SA and 40SA. Conductors made of zinc coated steel wires only are not included. 2 Normative references Thi
22、s European standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these public
23、ations apply to this European standard only when incorporated in it by amendment or revision. For undated references the latest issue of the publication referred to applies. EN 50183 Conductors for overhead lines Aluminium-magnesium-silicon alloy wires EN 50189 Conductors for overhead lines Zinc coa
24、ted steel wires EN 503261) Conductors for overhead lines Characteristics of greases EN 60889 Hard-drawn aluminium wire for overhead line conductors. EN 61232 Aluminium-clad steel wires for electrical purposes. IEC 60050-466 International Electrotechnical Vocabulary (IEV) - Chapter 466: Overhead Line
25、s. 3 Definitions In addition to the definitions given in IEC 60050-466, the following definitions apply: 3.1 aluminium for the purposes of this standard, aluminium is used as a generic term to mean hard drawn aluminium and aluminium alloy 3.2 direction of lay the direction of lay is defined as right
26、 hand or left hand. With right hand lay, the wires conform to the direction of the central part of the letter Z when the conductor is held vertically. With left hand lay the wires conform to the central part of the letter S when the conductor is held vertically 1) At draft stage - 5 - EN 50182:2001
27、3.3 lay ratio the ratio of the lay length to the external diameter of the corresponding layer of wires in the stranded conductor 3.4 lot a group of conductors manufactured by the same manufacturer under similar conditions of production NOTE 1 A lot may consist of part of or all the purchased quantit
28、y. NOTE 2 The constitution of a lot may be agreed between the purchaser and the manufacturer 3.5 nominal the target value of a measurable property by which a conductor or component of a conductor is identified and to which tolerances are applied 3.6 wire a filament of drawn metal having a constant c
29、ircular cross-section 3.7 rated tensile strength an estimate of the conductor breaking load calculated using the specified tensile properties of the component wires 4 Designation system 4.1 A designation system is used to identify stranded conductors made of aluminium with or without steel wires. 4.
30、2 Homogeneous aluminium conductors are designated ALx, where x identifies the type of aluminium. Homogeneous aluminium clad steel conductors are designated yzSA where y represents the type of steel (Grade A or B, applicable to class 20SA only), and z represents the class of aluminium cladding (20, 2
31、7, 30 or 40). 4.3 Composite aluminium/zinc coated steel conductors are designated ALx/STyz, where ALx identifies the external aluminium wires (envelope), and STyz identifies the steel core. In the designation of zinc coated steel wires, y represents the type of steel (Grades 1 to 6) and z represents
32、 the class of zinc coating (A to E). 4.4 Composite aluminium/aluminium-clad steel conductors are designated ALx/yzSA, where ALx identifies the external aluminium wires (envelope), and yzSA identifies the steel core as in 4.2. 4.5 Conductors are identified as follows: (a) a code number giving the nom
33、inal area, rounded to an integer, of the aluminium or steel as appropriate; (b) a designation identifying the type of wires constituting the conductor. For composite conductors the first description applies to the envelope and the second to the core. EN 50182:2001 - 6 - EXAMPLES: 16-AL1: Conductor o
34、f AL1 aluminium with an area of 15,9 mm2, rounded to 16 mm2. 587-AL2: Conductor of AL2 aluminium with an area of 586,9 mm2, rounded to 587 mm2. 401-AL1/28-ST1A: Conductor made of AL1 aluminium wires around a core of ST1A zinc coated steel wires with a Class A zinc coating. The integer area of AL1 wi
35、res is 401 mm2 and that of the ST1A wires 28 mm2. 401-AL1/28-A20SA: Conductor made of AL1 aluminium wires around a core of grade A, class 20 aluminium-clad steel wires. The integer area of AL1 wires is 401 mm2 and that of the A20SA wires 28 mm2. 65-A20SA: Conductor made of grade A, class 20 aluminiu
36、m clad steel wires with an area of 65 mm2. 5 Requirements for stranded conductor 5.1 Material The stranded conductor shall be made from wires and with grease, whenever greased conductor is specified, as defined in clause 1. 5.2 Conductor sizes Lists of conductor sizes in frequent use in some of the
37、member countries are given as guidance in annex F. Conductors for existing or established designs of overhead lines as well as sizes and strandings not included in this standard may be designed and supplied as agreed upon by the manufacturer and purchaser, and the relevant requirements of this stand
38、ard shall apply. 5.3 Surface condition The surface of the conductor shall be free from all imperfections visible to the unaided eye (normal corrective lenses accepted), such as nicks, indentations, etc., not consistent with good commercial practice. 5.4 Conductor diameter The conductor diameter shal
39、l not vary from the nominal value, specified by the purchaser, by more than: 1 % for diameters larger or equal to 10 mm. 0,1 mm for diameters smaller than 10 mm. 5.5 Stranding 5.5.1 All wires of the conductor shall be concentrically stranded. 5.5.2 Adjacent wire layers shall be stranded with reverse
40、 lay directions. The direction of lay of the external layer shall be right hand except when otherwise specified by the purchaser. - 7 - EN 50182:2001 5.5.3 The wires in each layer shall be evenly and closely stranded around the underlying wire or wires. 5.5.4 The lay ratios for the zinc coated or al
41、uminium-clad steel wire layers shall be as given in Table 1. Table 1 - Lay ratios for zinc coated or aluminium-clad steel layers Lay ratio Number of steel wires 3 wire layer 6 wire layer 12 wire layer 18 wire layer Min. Max. Min. Max. Min. Max. Min. Max. 3 7 19 37 16 - - - 26 - - - - 16 16 17 - 26 2
42、6 25 - - 14 16 - - 22 22 - - - 14 - - - 18 For zinc coated or aluminium-clad steel core constructions exceeding 37 wires, the lay ratio of the outer layer shall lie between 14 and 18, and the lay ratio of the inner layers shall lie between 16 and 26. 5.5.5 The lay ratios for the aluminium layers of
43、all types of conductor shall be as given in Table 2. Table 2 - Lay ratios for aluminium layers All inner layers Outer layer Min. Max. Min. Max. 10 16 10 14 5.5.6 In a multi-layer conductor, the lay ratio of any layer shall be equal to or less than the lay ratio of the layer immediately beneath it. 5
44、.5.7 All steel wires shall lie naturally in their position in the stranded core, and where the core is cut, the wire ends shall remain in position or be readily replaced by hand and then remain approximately in position. This requirement also applies to the aluminium wires of a conductor. 5.5.8 Befo
45、re stranding, aluminium and steel wires shall have approximately equal temperatures. 5.5.9 The conductor shall have the ability to be installed, using the purchasers recommended installation method, without damage to the conductor. If required, this shall be demonstrated according to 6.4.9. 5.6 Join
46、ts 5.6.1 For conductors containing only one steel wire there shall be no joints made after heat treatment of the wire or rod. There shall be no joints of any kind made in the finished zinc coated or aluminium-clad steel core wire or wires during stranding. 5.6.2 No more than one jointed aluminium fi
47、nished wire before stranding, as permitted in the relevant standard given in clause 2, shall be used per length of conductor. 5.6.3 During stranding, no aluminium wire welds shall be made for the purpose of achieving the required conductor length. EN 50182:2001 - 8 - 5.6.4 Joints are permitted in al
48、uminium wires unavoidably broken during stranding, provided such breaks are not associated with either inherently defective wire or with the use of short lengths of aluminium wires. Joints shall conform to the geometry of the original wire, i.e. joints shall be dressed smoothly with a diameter equal
49、 to that of the parent wires and shall not be kinked. The number of joints in aluminium wires shall not exceed those specified in Table 3. These joints shall not be closer than 15 m from a joint in the same wire or in any other aluminium wire of the completed conductor. Joints shall be made by electric butt welding, cold pressure welding or other methods approved by the purchaser. The first type of joint shall be electrically annealed for approximately 250 mm o
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