BS EN 60269-6-2011 Low-voltage fuses Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systems《低压熔断器 光伏型太阳能源系统保护用熔断连杆的补充要求》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationLow-voltage fusesPart 6: Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systemsBS EN 60269-6:2011National forewordThis British Standard

2、 is the UK implementation of EN 60269-6:2011. It is identical to IEC 60269-6:2010.The UK participation in its preparation was entrusted to Technical Committee PEL/32, Fuses.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not pur

3、port to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2011ISBN 978 0 580 65830 3 ICS 29.120.50 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the

4、Standards Policy and Strategy Committee on 31 August 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60269-6:2011EUROPEAN STANDARD EN 60269-6 NORME EUROPENNE EUROPISCHE NORM May 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europe

5、n de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60269-6:2011 E ICS 29.120.50 English

6、version Low-voltage fuses - Part 6: Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systems (IEC 60269-6:2010 + corrigendum Dec. 2010) Fusibles basse tension - Partie 6: Exigences supplmentaires concernant les lments de remplacement utiliss pour la protectio

7、n des systmes dnergie solaire photovoltaque (CEI 60269-6:2010 + corrigendum Dec. 2010) Niederspannungssicherungen - Teil 6: Zustzliche Anforderungen an Sicherungseinstze fr den Schutz von solaren photovoltaischen Energieerzeugungssystemen (IEC 60269-6:2010 + corrigendum Dec. 2010) This European Stan

8、dard was approved by CENELEC on 2011-04-01. 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 and bibliographical references concern

9、ing 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 responsibility of a CENELEC member into it

10、s 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, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

11、Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60269-6:2011EN 60269-6:2011 Foreword The text of document 32B/561/FDIS, future edition 1 of IEC 60269-6, prepared by

12、IEC/SC 32B, Low-voltage fuses, of IEC TC 32, Fuses, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60269-6 on 2011-04-01. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not

13、be held responsible for identifying any or all such patent rights. 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) 2012-01-01 latest date by which the national standards confl

14、icting with the EN have to be withdrawn (dow) 2014-04-01 This part is to be used in conjunction with EN 60269-1:2007, Low-voltage fuses, Part 1: General requirements. This Part 6 supplements or modifies the corresponding clauses or subclauses of Part 1. Where no change is necessary, this Part 6 indi

15、cates that the relevant clause or subclause applies. Tables and figures which are additional to those in Part 1 are numbered starting from 101. Additional annexes are lettered AA, BB, etc. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60269-6:201

16、0 + corrigendum December 2010 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60269 series NOTE Harmonized in EN 60269 series (partially modified). IEC 60269-3 NO

17、TE Harmonized as HD 60269-3. IEC 60269-4 NOTE Harmonized as EN 60269-4. IEC 60364-7-712 NOTE Harmonized as HD 60364-7-712. IEC 61215 NOTE Harmonized as EN 61215. IEC 61646 NOTE Harmonized as EN 61646. IEC/TS 61836:2007 NOTE Harmonized as CLC/TS 61836:2009 (not modified). _ BS EN 60269-6:2011EN 60269

18、-6:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the

19、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 relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60269-1 + A1 2006 2009 Low-voltage fuses - Part 1: Gen

20、eral requirements EN 60269-1 + A1 2007 2009 IEC 60269-2 - Low-voltage fuses - Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) - Examples of standardized systems of fuses A to J HD 60269-2 - ISO 3 - Preferred numbers - Series of pre

21、ferred numbers - - BS EN 60269-6:201160269-6 IEC:2010 CONTENTS 1 General . 6 1.1 Scope and object. 6 1.2 Normative references . 6 2 Terms and definitions, . .7 2.2 General terms 7 3 Conditions for operation in service10 3.4 Voltage. .10 3.4.1 Rated voltage . 10 3.5 Current. .10 3.5.1 Rated Current.

22、10 3.6 Frequency, power factor and time constant . .10 3.6.1 Frequency .10 3.6.2 Power factor 10 3.6.3 Time constant. 10 3.10 Temperature inside an enclosure .11 4 Classification. .11 5 Characteristics of fuses . .11 5.1 Summary of characteristics . 11 5.1.2 Fuse-links. .11 5.2 Rated voltage .11 5.5

23、 Rated power dissipation of the fuse-link 11 5.6 Limits of time-current characteristics . 11 5.6.1 Time-current characteristics, time-current zones . 11 5.6.2 Conventional times and currents11 5.6.3 Gates .12 5.7 Breaking range and breaking capacity . 12 5.7.1 Breaking range and utilization category

24、 . 12 5.7.2 Rated breaking capacity . 12 6 Markings .12 6.2 Markings on fuse-links. .12 7 Standard conditions for construction.12 7.5 Breaking capacity . .12 8 Tests 13 8.1 General .13 8.1.4 Arrangement of the fuse and dimensions . 13 8.1.5 Testing of fuse-links 13 8.3 Verification of temperature ri

25、se limits and power dissipation. 14 8.3.1 Arrangement of the fuse-link. .14 8.3.3 Measurement of power dissipation of the fuse-link. 14 8.3.5 Acceptability of test results .14 8.4 Verification of operation .15 8.4.1 Arrangement of fuse-link. 15 8.4.3 Test method and acceptability of test results . .

26、15 8.5 Verification of the breaking capacity . .15 8.5.1 Arrangement of the fuse . 15 BS EN 60269-6:201160269-6 IEC:2010 8.5.5 Test method 16 8.5.8 Acceptability of test results .16 8.11 Mechanical and miscellaneous tests. .17 Annex AA (normative) Examples of standardized fuse-links for the protecti

27、on of solar photovoltaic energy systems .19 Annex BB (informative) Guidance for the protection of Photovoltaic string and array with fuse-links designed for PV applications 27 Bibliography. 28 Figure 101 Current of test cycling .18 Figure AA.1 Fuse-links with cylindrical contact caps, type A . 20 Fi

28、gure AA.2 Fuse-links with cylindrical contact caps type A with striker Additional dimensions for sizes 14 51, 20 127 and 22 127 only . .21 Figure AA.3 North American cylindrical fuse-links with blade contacts Sizes 61- 600 A. .22 Figure AA.4 Fuse-links with blade contacts, type C, C referring IEC 60

29、269-2 “Fuse system A (NH fuse system)”24 Figure AA.5 Fuse-links with long blade contacts, type D . .26 Table 101 Conventional times and currents for “gPV” fuse-links.12 Table 102 Survey of complete tests on fuse-links and number of fuse-links to be tested . 13 Table 103 Survey of tests on fuse-links

30、 of the smallest rated current of a homogeneous series and number of fuse-links to be tested 14 Table 104 Values for breaking-capacity tests on “gPV” fuse-links . .16 BS EN 60269-6:2011 6 60269-6 IEC:2010 LOW-VOLTAGE FUSES Part 6: Supplementary requirements for fuse-links for the protection of solar

31、 photovoltaic energy systems 1 General IEC 60269-1 applies with the following supplementary requirements. Fuse-links for the protection of solar photovoltaic (PV) energy systems shall comply with aIl requirements of IEC 60269-1, if not otherwise indicated hereinafter, and shall also comply with the

32、supplementary requirements laid down below. NOTE The abbreviation “PV” (photovoltaic) is used in this document. 1.1 Scope and object These supplementary requirements apply to fuse-links for protecting PV strings and PV arrays in equipment for circuits of nominal voltages up to 1 500 V d.c. Their rat

33、ed voltage may be up to 1 500 V d.c. NOTE 1 Such fuse-Iinks are commonly referred to as “PV fuse-links”. NOTE 2 In most cases, a part of the associated equipment serves the purpose of a fuse-base. Owing to the great variety of equipment, no general rules can be given; the suitability of the associat

34、ed equipment to serve as a fuse-base should be subject to agreement between the manufacturer and the user. However, if separate fuse-bases or fuse-holders are used, they should comply with the appropriate requirements of IEC 60269 series. NOTE 3 PV fuse-links protect down stream inverter components

35、such as capacitors or the discharge of capacitors back into the arrays or array wiring up to the rated breaking capacity. The object of these supplementary requirements is to establish the characteristics of PV fuse-links in such a way that they can be replaced by other fuse-links having the same ch

36、aracteristics, provided that their dimensions are identical. For this purpose, this standard refers in particular to a) the following characteristics of fuses: 1) their rated values; 2) their utilisation category; 3) their temperature rises in normal service; 4) their power dissipation; 4) their tim

37、e-current characteristics; 6) their breaking capacity; 7) their dimensions or size (if applicable). b) type tests for verification of the characteristics of fuses; c) the markings on fuses. 1.2 Normative references The following referenced documents are indispensable for the application of this docu

38、ment. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. BS EN 60269-6:201160269-6 IEC:2010 7 IEC 60269-1:2006, Low-voltage fuses Part 1: General requirements1Amendment 1 (2009) IEC 60269-2,

39、Low-voltage fuses Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) Examples of standardized systems of fuses A to J ISO 3, Preferred numbers Series of preferred numbers 2 Terms and definitions For the purposes of this document, the

40、terms and definitions given in IEC 60269-1 as well as the following apply. 2.2 General terms 2.2.101 photovoltaic fuse-link fuse-link capable of breaking, under specific conditions, any current value within the breaking range (see 7.5) NOTE A PV fuse-link operates under two main conditions: Short-ci

41、rcuit in a string or in an array which leads to a very low over-current. Short-circuit current supplied by the discharge of the PV inverter through a very low inductance. This short-circuit condition leads to a very high rate of rise of current equivalent to a low value of time constant, correspondi

42、ng to Table 104. 2.2.102 photovoltaic cell most elementary photovoltaic device which generate d.c. voltage by the absorption of photons IEC 61836, 3.1.43 a) and d) modified 2.2.103 photovoltaic module complete and environmentally protected assembly of interconnected PV cells IEC 61836, 3.1.43 f) 2.2

43、.104 photovoltaic array, array field, assembly, generator, panel, string, sub-array 2.2.104.1 photovoltaic array assembly of mechanically integrated and electrically interconnected PV modules, PV panels or PV sub-array and its support structure 2.2.104.2 photovoltaic array field aggregate of all PV

44、arrays within a given PV system focusing on the mechanical arrangement of the PV technology 2.2.104.3 photovoltaic assembly PV components that are installed outdoors and remote from its loads, including modules, support structure, foundation, wiring, tracking apparatus, and thermal control (were spe

45、cified), _ 1There is a consolidated edition 4.1 (2009) that includes IEC 60269-1(2006) and its amendment 1 (2009). BS EN 60269-6:2011 8 60269-6 IEC:2010 and including junction boxes, charge controllers and inverters depending on the assemblys installed configuration 2.2.104.4 photovoltaic generator

46、generator that uses the photovoltaic effect to convert sunlight into electricity 2.2.104.5 photovoltaic panel PV modules mechanically integrated, pre-assembled and electrically interconnected 2.2.104.6 photovoltaic string circuit of series-connected PV modules 2.2.104.7 photovoltaic sub-array portio

47、n of a PV array that can be considered as a unit IEC 61836, 3.3.56 a), b), c), d), e), f) and g) 2.2.105 inverter electric energy converter that changes direct electric current to single-phase or polyphase alternating currents IEC 61836, 3.3.15 and IEV 151-13-46 2.2.106 junction box closed or protec

48、ted enclosure in which circuits are electrically connected 2.2.106.1 array junction box junction box where PV strings are connected 2.2.106.2 generator junction box junction box where PV arrays are connected IEC 61836, 3.2.16 2.2.107 standard operating conditions SOC operating value of in-plane irra

49、diance (1 000 Wm2), PV device junction temperature equals the nominal operating PV cell junction temperature (NOCT), and air mass (AM =1,5) IEC 61836, 3.4.16 d) 2.2.108 standard test conditions STC reference values of in-plane irradiance (GI,ref= 1 000 Wm2), PV cell junction temperature (25 C), and air mass (AM=1,5) to be used during the testing of any PV device IEC 61836, 3.4.16 e) BS EN 60269-6:201160269-6 IEC:2010 9 2.2.1

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