1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationElectricity metering equipment (a.c.) Acceptance inspectionPart 21: Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2 and class indexes
2、 A and B)BS EN 62058-21:2010National forewordThis British Standard is the UK implementation of EN 62058-21:2010. It wasderived by CENELEC from IEC 62058-21:2008. Together with BS EN 62058-11:2010, it supersedes BS EN 60514:1995 which is withdrawn.The CENELEC common modifications have been implemente
3、d at the appro-priate places in the text and are indicated by tags (e.g. ).The UK participation in its preparation was entrusted to Technical CommitteePEL/13, Electricity Meters.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not
4、 purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2010ISBN 978 0 580 59107 5ICS 17.220.20; 91.140.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the author
5、ity of the StandardsPolicy and Strategy Committee on 30 Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62058-21:2010September 2010.EUROPEAN STANDARD EN 62058-21 NORME EUROPENNE EUROPISCHE NORM June 2010 CENELEC European Committee for Electrotechnical Standardiz
6、ation Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62058-21:2010 E ICS
7、 17.220; 91.140.50 Supersedes EN 60514:1995 (partially)English version Electricity metering equipment (a.c.) - Acceptance inspection - Part 21: Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2 and class indexes A and B) (IEC 62058-21:2008, modified) Equipe
8、ment de comptage de llectricit (a.c.) - Contrle de rception - Partie 21: Exigences particulires pour compteurs lectromcaniques dnergie active (classes 0,5, 1 et 2 et indices de classe A et B) (CEI 62058-21:2008, modifie) Wechselstrom-Elektrizittszhler -Annahmeprfung - Teil 21: Besondere Anforderunge
9、n an elektromechanische Zhler fr Wirkenergie (Klassen 0,5, 1 und 2 und Klassenzeichen A und B) (IEC 62058-21:2008, modifiziert) This European Standard was approved by CENELEC on 2010-06-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions f
10、or giving this European Standard the status of a national standard without any alteration. 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 off
11、icial versions (English, French, German). A version in any other language made by translation 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 com
12、mittees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland a
13、nd the United Kingdom. Foreword The text of document 13/1431/FDIS, future edition 1 of IEC 62058-21, prepared by IEC TC 13, Electrical energy measurement, tariff- and load control, was submitted to the IEC-CENELEC parallel vote. A draft amendment, prepared by the Technical Committee CENELEC TC 13, E
14、quipment for electrical energy measurement and load control, was submitted to the formal vote. The combined texts were approved by CENELEC as EN 62058-21 on 2010-06-01. EN 62058-21:2010, together with EN 62058-11:2010, supersedes EN 60514:1995. Attention is drawn to the possibility that some of the
15、elements of this document may be the subject of patent rights. CEN and CENELEC shall not 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 stan
16、dard or by endorsement (dop) 2011-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2013-06-01 This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers es
17、sential requirements of EC Directive 2004/22/EC. See Annex ZZ. Annexes ZA and ZZ have been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62058-11:2008 was approved by CENELEC as a European Standard with agreed common modifications. 2 BS EN 62058-21:2010EN 62058-21
18、:2010Annex 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 lat
19、est 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 62058-11 2008 Electricity metering equipment (AC) - Accep
20、tance inspection - Part 11: General acceptance inspection methods EN 62058-11 2010 ISO/IEC Guide 98 1995 Guide to the expression of uncertainty in measurement (GUM) - - 3 BS EN 62058-21:2010EN 62058-21:2010Annex ZZ (informative) Coverage of Essential Requirements of the EC Directives This European S
21、tandard has been prepared under the mandate M/374 given to CENELEC by the European Commission and within its scope, the standard covers methods for statistical verification of conformity with the metrological requirements in connection the Modules F, D and H1. EN 62058-11 specifies sampling plans, s
22、chemes and systems for lot-by-lot inspection by attributes or variables. In addition, a test procedure for 100 % inspection is specified, that can be used if the lot size is too small for sampling inspection or when sampling inspection has to be discontinued. Considering the Part 11, EN 62058-21 spe
23、cifies particular requirements for electromechanical electricity meters, including the tests to be performed, the sampling plans applicable and the performance criteria. Table ZZ.1 provides the relationship between the Essential requirements of the MID and the stipulations of the EN 62058 series. Co
24、mpliance with this standard provides one means of conformity with the specified essential requirements of the Directives concerned. WARNING: Other requirements and other EC Directives may be applicable to the products falling within the scope of this standard. 4 BS EN 62058-21:2010EN 62058-21:2010Ta
25、ble ZZ.1 Relationship between the Essential requirements of the MID and the stipulations of the relevant standards MID Annex I Subject EN 62058-11 EN 62058-21 EN 62058-31 NOTE The text in this column is for orientation. For the full text see the MID. 1 Allowable Errors 1.1 Under rated operating cond
26、itions and in the absence of disturbance 5.6 Accuracy tests, Table Z2 5.7 Verification of the register 5.6 Accuracy tests, Table Z2 5.7 Verification of the register 1.2 Under rated operating conditions and in the presence of disturbance 1.3 Climatic, mechanical and EM environment and other influence
27、 quantities to be specified by the manufacturer 1.3.1 Climatic environments, upper and lower temperature limit 1.3.2 Mechanical environments, vibration and shock 1.3.3 Electromagnetic environments, unless otherwise laid down in the appropriate instrument-specific annexes. 1.3.4 Other influence quant
28、ities 1.4 Carrying out the tests 1.4.1 Basic rules for testing and determination of errors 5.6, Accuracy test 5.6, Accuracy test 1.4.2 Ambient humidity 2 Reproducibility 3 Repeatability 4.3 4.3 4 Discrimination and Sensitivity 5 Durability 6 Reliability 7 Suitability 5.3 AC voltage test 5.3 AC volta
29、ge test 7.1 No feature likely to facilitate fraudulent use, possibilities for unintentional misuse minimal 7.2 Suitable for intended use under practical working conditions, no unreasonable demand of the user 5 BS EN 62058-21:2010EN 62058-21:2010MID Annex I Subject EN 62058-11 EN 62058-21 EN 62058-31
30、 7.3 Errors of a utility measuring instrument at flows or currents outside the controlled range not unduly biased. 7.4 When the measurand is constant over time, the measuring instrument shall be insensitive to small fluctuations of the value of the measurand, or shall take appropriate action. N.A. N
31、.A. N.A. 7.5 Robust and materials of construction suitable for the intended use conditions. 7.6 Designed so as to allow the control of the measuring tasks after the instrument has been placed on the market and put into use. Software that is critical for the metrological characteristics identifiable.
32、 Metrological characteristics not inadmissibly influenced by the associated software. 8 Protection against corruption 8.1 Metrological characteristics not influenced in any inadmissible way by the connection to it of another device, by any feature of the connected device itself or by any remote devi
33、ce that communicates with the measuring instrument. 8.2 Hardware component critical for metrological characteristics designed so that it can be secured. Security measures to provide evidence of an intervention. 8.3 Software that is critical for metrological characteristics shall be identified as suc
34、h and shall be secured. Software identification. Evidence of an intervention available for a reasonable period of time. 8.4 Measurement data, critical software and metrologically important parameters stored or transmitted adequately protected against accidental or intentional corruption. 8.5 For uti
35、lity measuring instruments the display of the total quantity supplied or the displays from which the total quantity supplied can be derived, whole or partial reference to which is the basis for payment, shall not be able to be reset during use. 6 BS EN 62058-21:2010EN 62058-21:2010MID Annex I Subjec
36、t EN 62058-11 EN 62058-21 EN 62058-31 9 Information to be borne by and to accompany the instrument 9.1 Shall bear the following inscriptions: - manufacturers mark or name; - information in respect of accuracy. When applicable: - information in respect of the conditions of use; - measuring capacity;
37、- measuring range; - identity marking; - number of the EC-type examination certificate or the EC design examination certificate; - information whether or not additional devices providing metrological results comply with the provisions of this Directive on legal metrological control. 5.2 5.2 9.2 For
38、too small instruments, marking on packaging and in any accompanying documents N.A. N.A. N.A. 9.3 Accompanying information on - operation and where relevant - rated operating conditions; - mechanical and electromagnetic environment classes; - the upper and lower temperature limit, whether condensatio
39、n is possible or not, open or closed location; - instructions for installation, maintenance, repairs, permissible adjustments; - instructions for correct operation and any special conditions of use; - conditions for compatibility with interfaces, sub-assemblies or measuring instruments. 9.4 Utility
40、meters do not require individual instruction manuals. 9.5 Decimal scale interval 9.6 Material measure N.A. N.A. N.A. 9.7 Units of measurement and symbols in accordance with Community legislation 9.8 Marks and inscriptions clear, non-erasable, unambiguous and non-transferable. 7 BS EN 62058-21:2010EN
41、 62058-21:2010MID Annex I Subject EN 62058-11 EN 62058-21 EN 62058-31 10 Indication of result 10.1 Display or hard copy N.A. N.A. N.A. 10.2 Indication of result clear and unambiguous. Easy reading. N.A. N.A. N.A. 10.3 Hard copy easily legible and not erasable N.A. N.A. N.A. 10.4 Direct sales trading
42、 transactions N.A. N.A. N.A. 10.5 Fitted with a metrologically controlled display accessible without tools to the consumer. The reading of this display is the measurement result that serves as the basis for the price to pay. 5.7 Verification of the register 5.7 Verification of the register 5.7 Verif
43、ication of the register 11 Further processing of data to conclude the trading transaction N.A. N.A. N.A. 11.1 Durable record of the measurement result (other than utility meter) N.A. N.A. N.A. 11.2 Durable proof of the measurement result N.A. N.A. N.A. 12 Conformity evaluation Designed so as to allo
44、w ready evaluation of its conformity with the appropriate requirements of this Directive. Annex MI-003 ACTIVE ELECTRICAL ENERGY METERS 1 Accuracy 2 Rated operating conditions 3 MPEs 5.6 Accuracy tests, Table Z2 5.7 Verification of the register 5.6 Accuracy tests, Table Z2 5.7 Verification of the reg
45、ister 4 Permissible effect of disturbances 4.1 General Special EM environment 4.2 Effect of disturbances of long duration Reversed phase sequence Voltage unbalance (only applicable to polyphase meters) Harmonic contents in the current circuits DC and harmonics in the current circuit Fast transient b
46、ursts 8 BS EN 62058-21:2010EN 62058-21:2010MID Annex I Subject EN 62058-11 EN 62058-21 EN 62058-31 Magnetic fields HF (radiated RF) electromagnetic field; Conducted disturbances introduced by radio-frequency fields Oscillatory waves immunity 4.3 Permissible effect of transient electromagnetic phenom
47、ena 4.3.1 Behavior during and immediately after a disturbance Recovery Critical change value 4.3.2 Critical change value for overcurrent 5 Suitability 5.1 Measurement error below the rated operating voltage 5.2 Display of total energy - sufficient number of digits - not resettable during use 5.3 Ret
48、ain energy register reading for 4 months 5.4 Running with no load 5.4 Test of no-load condition 5.4 Test of no-load condition 5.5 Starting 5.5 Starting, Table Z1 5.5 Starting, Table Z1 6 Units 7 Putting into use CONFORMITY ASSESSMENT B + F or B + D or H1. Specifies 100% testing and sampling inspection methods to support modules F, D and H1 9 BS EN 62058-21:2010EN 62058-21:2010CONTENTS INTRODUCTION.11 1 Scope.12 2 Normative references .12 3 Terms, definitions, symbols and abbrevi
