EN 61439-6-2012 en Low-voltage switchgear and controlgear assemblies - Part 6 Busbar trunking systems (busways).pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationLow-voltage switchgear and controlgear assembliesPart 6: Busbar trunking systems (busways)BS EN 61439-6:2012National forewordThis British Standard is the UK implementation of EN

2、61439-6:2012. It isidentical to IEC 61439-6:2012. It supersedes BS EN 60439-2:2000 which iswithdrawn.The UK participation in its preparation was entrusted by Technical CommitteePEL/17, Switchgear, controlgear, and HV-LV co-ordination, to SubcommitteePEL/17/3, Low voltage switchgear and controlgear a

3、ssemblies.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI

4、 Standards Limited 2012ISBN 978 0 580 65629 3ICS 29.130.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 30 September 2012.Amendments issued since publicationAmd.

5、 No. Date Text affectedBRITISH STANDARDBS EN 61439-6:2012EUROPEAN STANDARD EN 61439-6 NORME EUROPENNE EUROPISCHE NORM August 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Managemen

6、t Centre: Avenue Marnix 17, B - 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61439-6:2012 E ICS 29.130.20 Supersedes EN 60439-2:2000 + A1:2005English version Low-voltage switchgear and controlgear assemblies

7、- Part 6: Busbar trunking systems (busways) (IEC 61439-6:2012) Ensembles dappareillage basse tension - Partie 6: Systmes de canalisation prfabrique (CEI 61439-6:2012) Niederspannungs-Schaltgertekombinationen - Teil 6: Schienenverteilersysteme (busways) (IEC 61439-6:2012) This European Standard was a

8、pproved by CENELEC on 2012-06-27. 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 and bibliographical references concerning such n

9、ational standards may be obtained on application to the CEN-CENELEC Management Centre 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 responsibility of a CENELEC member into it

10、s own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Maced

11、onia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61439-6:2012EN 61439-6:2012 - 2 - Foreword The text of docum

12、ent 17D/452/FDIS, future edition 1 of IEC 61439-6, prepared by IEC/TC SC 17D “Low-voltage switchgear and controlgear assemblies“ of IEC TC 17 “Switchgear and controlgear“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61439-6:2012. The following dates are fixed: latest

13、date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-03-27 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2015-06-27 This document supersedes EN 60439-2:2

14、000 + A1:2005. EN 61439-6:2012 includes the following significant technical changes with respect to EN 60439-2:2000 + A1:2005: - alignment of the second edition of EN 61439-1:2011 regarding the structure and technical content, as applicable; - introduction of new verifications, accordingly; - correc

15、tion of inconsistencies in resistance, reactance and impedance measurements and calculations; - numerous editorial improvements. This standard is to be read in conjunction with EN 61439-1:2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of pat

16、ent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For

17、 the relationship with EU Directive see informative Annex ZZ, which is an integral part of this document. Endorsement notice The text of the International Standard IEC 61439-6:2012 was approved by CENELEC as a European Standard without any modification. The Bibliography of EN 61439-1:2011 is applica

18、ble with the addition of the following notes for the standards indicated: IEC 60570:2003 NOTE Harmonised as EN 60570:2003 (modified). IEC 60909-0:2001 NOTE Harmonised as EN 60909-0:2001 (not modified). IEC 61439 series NOTE Harmonised as EN 61439 series (partly modified). IEC 61534 series NOTE Harmo

19、nised as EN 61534 series (not modified). BS EN 61439-6:2012- 3 - EN 61439-6:2012 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are in

20、dispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the r

21、elevant EN/HD applies. This clause of EN 61439-1:2011 is applicable with the addition of the following references: Publication Year Title EN/HD Year IEC 60332-3-10 2000 Tests on electric and optical fibre cables under fire conditions - Part 3-10: Test for vertical flame spread of vertically-mounted

22、bunched wires or cables -Apparatus EN 60332-3-101) 2009 IEC 60439-2 2000 Low-voltage switchgear and controlgear assemblies - Part 2: Particular requirements for busbar trunking systems (busways) EN 60439-2 2000 IEC 61439-1 2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rule

23、s EN 61439-1 2011 IEC 61786 1998 Measurement of low-frequency magnetic and electric fields with regard to exposure of human beings - Special requirements for instruments and guidance for measurement - - ISO 834-1 1999 Fire-resistance tests - Elements of building construction - Part 1: General requir

24、ements - - 1) EN 60332-3-10 includes A1 to IEC 60332-3-10. BS EN 61439-6:2012EN 61439-6:2012 - 4 - Annex ZZ (informative) Coverage of Essential Requirements of EU Directive 2004/108/EC This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the Europe

25、an Free Trade Association and within its scope the standard covers all relevant essential requirements as given in Article 1 of Annex I of the EU Directive 2004/108/EC. Compliance with this standard provides one means of conformity with the specified essential requirements of the Directive concerned

26、. WARNING: Other requirements and other EU Directives may be applicable to the products falling within the scope of this standard. BS EN 61439-6:2012 2 61439-6 IEC:2012 CONTENTS 1 Scope . 5 2 Normative references . 5 3 Terms and definitions . 6 4 Symbols and abbreviations . 8 5 Interface characteris

27、tics . 8 6 Information . 12 7 Service conditions 12 8 Constructional requirements . 13 9 Performance requirements . 14 10 Design verifications 15 11 Routine verifications . 27 Annexes . 28 Annex C (informative) Specification schedule 29 Annex D (informative) Design verification 33 Annex AA (informat

28、ive) Voltage drop of the system 34 Annex BB (informative) Phase conductor characteristics 35 Annex CC (informative) Fault-loop zero-sequence impedances 37 Annex DD (informative) Fault-loop resistances and reactances 39 Annex EE (informative) Determination of the magnetic field in the vicinity of the

29、 BTS 41 Bibliography 42 Figure 101 Mechanical load test of a straight unit 16 Figure 102 Mechanical load test of a joint 16 Figure 103 Test arrangement for verification of a fire-barrier BTU 27 Figure BB.1 Phase conductors characteristics determination . 35 Figure CC.1 Fault loop zero-sequence imped

30、ances determination . 37 Figure DD.1 Fault loop resistances and reactances determination . 39 Figure EE.1 Magnetic field measurement arrangement 41 Table 101 Rated diversity factor for a tap-off unit . 10 Table 102 Phase conductor characteristics 11 Table 103 Fault-loop characteristics 11 Table 104

31、Characteristics to be used for fault currents calculations . 12 Table 105 Conditioning for the thermal cycling test 18 Table C.1 User specification schedule . 29 Table D.1 Design verifications . 33 BS EN 61439-6:201261439-6 IEC:2012 5 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES Part 6: Busbar

32、trunking systems (busways) 1 Scope NOTE 1 Throughout this part, the abbreviation BTS is used for a busbar trunking system. Where reference to Part 1 is made, the term ASSEMBLY therefore reads as “BTS”. This part of IEC 61439 lays down the definitions and states the service conditions, construction r

33、equirements, technical characteristics and verification requirements for low voltage BTS (see 3.101) as follows: BTS for which the rated voltage does not exceed 1 000 V in case of a.c. or 1 500 V in case of d.c.; BTS intended for use in connection with the generation, transmission, distribution and

34、conversion of electric energy, and for the control of electric energy consuming equipment; BTS designed for use under special service conditions, for example in ships, in rail vehicles, and for domestic applications (operated by unskilled persons), provided that the relevant specific requirements ar

35、e complied with; NOTE 2 Supplementary requirements for BTS in ships are covered by IEC 60092-302. BTS designed for electrical equipment of machines. Supplementary requirements for BTS forming part of a machine are covered by the IEC 60204 series. This standard applies to all BTS whether they are des

36、igned, manufactured and verified on a one-off basis or fully standardized and manufactured in quantity. The manufacture and/or assembly may be carried out by a manufacturer other than the original manufacturer (see 3.10.1 and 3.10.2 of Part 1). This standard does not apply to individual devices and

37、self-contained components, such as motor starters, fuse switches, electronic equipment, etc. which will comply with the relevant product standard. This standard does not apply to the specific types of ASSEMBLIES covered by other parts of the IEC 61439 series, to supply track systems in accordance wi

38、th IEC 60570, to cable trunking and ducting systems in accordance with the IEC 61084 series, nor to power track systems in accordance with the IEC 61534 series. 2 Normative references This clause of Part 1 is applicable except as follows. Addition: IEC 60332-3-10:2000, Tests on electric and optical

39、fibre cables under fire conditions Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables Apparatus IEC 60439-2:2000, Low-voltage switchgear and controlgear assemblies Part 2: Particular requirements for busbar trunking systems (busways) BS EN 61439-6:2012 6 61439-6

40、IEC:2012 IEC 61439-1:2011, Low-voltage switchgear and controlgear assemblies Part 1: General rules IEC 61786:1998, Measurement of low-frequency magnetic and electric fields with regard to exposure of human beings Special requirements for instruments and guidance for measurements ISO 834-1:1999, Fire

41、-resistance tests Elements of building construction Part 1: General requirements 3 Terms and definitions This clause of Part 1 is applicable except as follows. Additional definitions: 3.101 busbar trunking system BTS busway enclosed ASSEMBLY used to distribute and control electrical energy for all t

42、ypes of loads, intended for industrial, commercial and similar applications, in the form of a conductor system comprising busbars which are spaced and supported by insulating material in a duct, trough or similar enclosure SOURCE: IEC 60050-441:1984, 441-12-07 modified Note 1 to entry: See 3.1.1 of

43、Part 1 for the definition of ASSEMBLY. Note 2 to entry: The BTS may consist of a full range of mechanical and electrical components such as: busbar trunking units with or without tap-off facilities; phase transposition, expansion, flexible, feeder and adapter units; tap-off units; additional conduct

44、ors for communication and/or control. Note 3 to entry: The term “busbar does not presuppose the geometrical shape, size and dimensions of the conductor. 3.102 busbar trunking unit BTU unit of a BTS complete with busbars, their supports and insulation, external enclosure and any fixing and connecting

45、 means to other units, with or without tap-off facilities Note 1 to entry: BTUs may have different geometrical shapes such as straight length, elbow, tee or cross. 3.103 busbar trunking run BT run number of BTUs connected together to form the BTS, excluding the tap-off units 3.104 busbar trunking un

46、it with tap-off facilities BTU with tap-off facilities BTU designed to enable tap-off units to be installed at one or more points as predetermined by the original manufacturer BS EN 61439-6:201261439-6 IEC:2012 7 3.105 busbar trunking unit with trolley-type tap-off facilities BTU with trolley-type t

47、ap-off facilities BTU designed to permit the use of roller- or brush-type tap-off units 3.106 busbar trunking adapter unit adapter BTU BTU intended to connect two units of the same system but of different type or of different rated current 3.107 busbar trunking thermal expansion unit thermal expansi

48、on BTU BTU intended to permit a certain movement in the axial direction of the BT run due to thermal expansion of the system Note 1 to entry: This term does not presuppose which elements permit movement, e.g. the conductors within the enclosure or both conductors and enclosure 3.108 busbar trunking

49、phase transposition unit phase transposition BTU BTU intended to change the relative positions of the phase conductors in order to balance the inductive reactances or to transpose the phases (such as L1-L2-L3-N to N-L3-L2-L1) 3.109 flexible busbar trunking unit flexible BTU BTU having conductors and enclosures designed to allow a specified change of direction during installation 3.110 busbar trunking feeder unit feeder BTU BTU serving as an incoming unit Note 1 to ent

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