1、BRITISH STANDARD BS EN 62053-21:2003 Incorporating Corrigendum No. 1 Electricity metering equipment (a.c.) Particular requirements Part 21: Static meters for active energy (classes 1 and 2) The European Standard EN 62053-21:2003 has the status of a British Standard ICS 17.220.20 BS EN 62053-21:2003
2、This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3 July 2003 BSI 24 February 2004 ISBN 0 580 42188 0 National foreword This British Standard is the official English language version of EN 62053-21:2003. It is identical with IEC 62053-21:2003.
3、It supersedes BS EN 61036:1997 which is obsolescent and will be withdrawn on 1 March 2006. The UK participation in its preparation was entrusted to Technical Committee PEL/13, Electricity meters, which has the responsibility to: A list of organizations represented on this committee can be obtained o
4、n 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 the “Search” facility of the
5、 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 legal obligations. aid enqu
6、irers 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 UK. Summary of pages This doc
7、ument comprises a front cover, an inside front cover, the EN title page, pages 2 to 24, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 15026 Corrigendum N
8、o. 1 24 February 2004 Correction to supersession informationEUROPEAN STANDARD EN 62053-21 NORME EUROPENNE EUROPISCHE NORM March 2003 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Centra
9、l Secretariat: rue de Stassart 35, B - 1050 Brussels 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62053-21:2003 E ICS 17.220.20 Supersedes EN 61036:1996 + A1:2000English version Electricity metering equipment (a.c.) Partic
10、ular requirements Part 21: Static meters for active energy (classes 1 and 2) (IEC 62053-21:2003) Equipement de comptage de llectricit (c.a.) Prescriptions particulires Partie 21: Compteurs statiques dnergie active (classes 1 et 2) (CEI 62053-21:2003) Wechselstrom-Elektrizittszhler - Besondere Anford
11、erungen Teil 21: Elektronische Wirkverbrauchszhler der Genauigkeitsklassen 1 und 2 (IEC 62053-21:2003) This European Standard was approved by CENELEC on 2003-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S
12、tandard 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 official versions (English,
13、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 committees of Austria, Belgi
14、um, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. Foreword The text of document 13/1282/FDIS, future edition 1 of IEC 62053-21, prepared by IEC TC
15、 13, Equipment for electrical energy measurement and load control, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62053-21 on 2003-03-01. This European Standard supersedes EN 61036:1996 + A1:2000. The following dates were fixed: latest date by which the EN has to be
16、 implemented at national level by publication of an identical national standard or by endorsement (dop) 2003-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2006-03-01 Annexes designated “normative“ are part of the body of the standard. In this st
17、andard, annexes A, B and ZA are normative. Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62053-21:2003 was approved by CENELEC as a European Standard without any modification. _ Page2 EN6205321:2003 CONTENTS INTRODUCTION.5 1 Scope.6 2 Normative r
18、eferences.6 3 Terms and definitions .7 4 Standard electrical values 7 5 Mechanical requirements7 6 Climatic conditions .7 7 Electrical requirements.7 7.1 Power consumption.7 7.2 Influence of short-time overcurrents 8 7.3 Influence of self-heating 9 7.4 AC voltage test9 8 Accuracy requirements.10 8.1
19、 Limits of error due to variation of the current .10 8.2 Limits of error due to influence quantities 11 8.3 Test of starting and no-load condition14 8.4 Meter constant15 8.5 Accuracy test conditions15 8.6 Interpretation of test results.16 Annex A (normative) Test circuit diagram for d.c., even harmo
20、nics, odd harmonics and sub-harmonics17 Annex B (normative) Electromagnet for testing the influence of externally produced magnetic fields .23 Annex ZA (normative) Normative references to international publications with their corresponding European publications .24 Figure A.1 Test circuit diagram fo
21、r half-wave rectification 17 Figure A.2 Half-wave rectified waveform 18 Figure A.3 Informative distribution of half-wave harmonic content (the Fourier analysis is not complete) 19 Figure A.4 Test circuit diagram (informative)20 Figure A.5 Phase fired waveform .21 Figure A.6 Informative distribution
22、of harmonic content of phase fired waveform (the Fourier analysis is not complete) .21 Figure A.7 Burst fired waveform.22 Figure A.8 Informative distribution of harmonics (the Fourier analysis is not complete) 22 Figure B.1 Electromagnet for testing the influence of externally produced magnetic fiel
23、ds 23 Page3 EN6205321:2003 Table 1 Power consumption in voltage circuits for single-phase and polyphase meters including the power supply 7 Table 2 Power consumption in current circuits .8 Table 3 Variations due to short-time overcurrents 8 Table 4 Variations due to self-heating9 Table 5 AC voltage
24、tests10 Table 6 Percentage error limits (single-phase meters and polyphase meters with balanced loads) 10 Table 7 Percentage error limits (polyphase meters carrying a single-phase load, but with balanced polyphase voltages applied to voltage circuits) .11 Table 8 Influence quantities .11 Table 9 Sta
25、rting current .14 Table 10 Voltage and current balance15 Table 11 Reference conditions.15 Table 12 Interpretation of test results.16 Page4 EN6205321:2003 INTRODUCTION This part of IEC 62053 is to be used with the following relevant parts of the IEC 62052, IEC 62053 and IEC 62059 series, Electricity
26、metering equipment: IEC 62052-11:2002, Electricity metering equipment (a.c.) General requirements, tests and test conditions Part 11: Metering equipment IEC 62053-11:2003, Electricity metering equipment (a.c.) Particular requirements Part 11: Electromechanical meters for active energy (classes 0,5,
27、1 and 2) Replaces particular requirements of IEC 60521: 1988 (2 ndedition) IEC 62053-22:2003, Electricity metering equipment (a.c.) Particular requirements Part 22: Static meters for active energy (classes 0,2 S and 0,5 S) Replaces particular requirements of IEC 60687: 1992 (2 ndedition) IEC 62053-2
28、3:2003, Electricity metering equipment (a.c.) Particular requirements Part 23: Static meters for reactive energy (classes 2 and 3) Replaces particular requirements of IEC 61268: 1995 (1 stedition) IEC 62053-31:1998, Electricity metering equipment (a.c.) Particular requirements Part 31: Pulse output
29、devices for electromechanical and electronic meters (two wires only) IEC 62053-61:1998, Electricity metering equipment (a.c.) Particular requirements Part 61: Power consumption and voltage requirements IEC 62059-11:2002, Electricity metering equipment (a.c.) Dependability Part 11: General concepts I
30、EC 62059-21:2002, Electricity metering equipment (a.c.) Dependability Part 21: Collection of meter dependability data from the field This part is a standard for type testing electricity meters. It covers the particular requirements for meters, being used indoors and outdoors in large quantities worl
31、dwide. It does not deal with special implementations (such as metering-part and/or displays in separate housings). This standard is intended to be used in conjunction with IEC 62052-11. When any requirement in this standard concerns an item already covered in IEC 62052-11, the requirements of this s
32、tandard take precedence over the requirements of IEC 62052-11. This standard distinguishes: between accuracy class index 1 and accuracy class index 2 meters; between protective class I and protective class II meters; between meters for use in networks equipped with or without earth fault neutralizer
33、s. The test levels are regarded as minimum values that provide for the proper functioning of the meter under normal working conditions. For special application, other test levels might be necessary and should be agreed on between the user and the manufacturer. Page5 EN6205321:2003 ELECTRICITY METERI
34、NG EQUIPMENT (AC) PARTICULAR REQUIREMENTS Part 21: Static meters for active energy (classes 1 and 2) 1 Scope This part of IEC 62053 applies only to newly manufactured static watt-hour meters of accuracy classes 1 and 2, for the measurement of alternating current electrical active energy in 50 Hz or
35、60 Hz networks and it applies to their type tests only. It applies only to static watt-hour meters for indoor and outdoor application consisting of a measuring element and register(s) enclosed together in a meter case. It also applies to operation indicator(s) and test output(s). If the meter has a
36、measuring element for more than one type of energy (multi-energy meters), or when other functional elements, like maximum demand indicators, electronic tariff registers, time switches, ripple control receivers, data communication interfaces, etc. are enclosed in the meter case, then the relevant sta
37、ndards for these elements also apply. It does not apply to: watt-hour meters where the voltage across the connection terminals exceeds 600 V (line- to-line voltage for meters for polyphase systems); portable meters; data interfaces to the register of the meter; reference meters. Regarding acceptance
38、 tests, a basic guideline is given in IEC 61358. The dependability aspect is covered by the standards of the IEC 62059 series. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For u
39、ndated references, the latest edition of the referenced document (including any amendments) applies. IEC 60736:1982, Testing equipment for electrical energy meters IEC 61358:1996, Acceptance inspection for direct connected alternating current static watt- hour meters for active energy (classes 1 and
40、 2) IEC 62052-11:2003, Electricity metering equipment (a.c.) General requirements, tests and test conditions Part 11: Metering equipment IEC 62053-61:1998, Electricity metering equipment (a.c.) Particular requirements Part 61: Power consumption and voltage requirements Page6 EN6205321:2003 3 Terms a
41、nd definitions For the purposes of this document, the terms and definitions given in IEC 62052-11 apply. 4 Standard electrical values The values given in IEC 62052-11 apply. 5 Mechanical requirements The requirements of IEC 62052-11 apply. 6 Climatic conditions The conditions given in IEC 62052-11 a
42、pply. 7 Electrical requirements In addition to the electrical requirements in IEC 62052-11, meters shall fulfil the following requirements. 7.1 Power consumption The power consumption in the voltage and current circuit shall be determined at reference conditions given in 8.5 by any suitable method.
43、The overall maximum error of the measurement of the power consumption shall not exceed 5 %. 7.1.1 Voltage circuits The active and apparent power consumption in each voltage circuit of a meter at reference voltage, reference temperature and reference frequency shall not exceed the values shown in Tab
44、le 1. Table 1 Power consumption in voltage circuits for single-phase and polyphase meters including the power supply Meters Power supply connected to the voltage circuits Power supply not connected to the voltage circuits Voltage circuit 2 W and 10 VA 0.5 VA Auxiliary power supply 10 VA NOTE 1 In or
45、der to match voltage transformers to meters, the meter manufacturer should state whether the burden is inductive or capacitive (for transformer operated meters only). NOTE 2 The above figures are mean values. Switching power supplies with peak power values in excess of these specified values are per
46、mitted, but it should be ensured that the rating of associated voltage transformers is adequate. NOTE 3 For multifunctional meters see IEC 62053-61. Page7 EN6205321:2003 7.1.2 Current circuits The apparent power taken by each current circuit of a direct connected meter at basic current, reference fr
47、equency and reference temperature shall not exceed the values shown in Table 2. The apparent power taken by each current circuit of a meter connected through a current transformer shall not exceed the value shown in Table 2 at a current value that equals the rated secondary current of the correspond
48、ing transformer at reference temperature and reference frequency of the meter. Table 2 Power consumption in current circuits Class of meter Meters 1 2 Single-phase and polyphase 4,0 VA 2,5 VA NOTE 1 The rated secondary current is the value of the secondary current indicated on the current transforme
49、r, on which the performance of the transformer is based. Standard values of maximum secondary current are 120 %, 150 % and 200 % of the rated secondary current. NOTE 2 In order to match current transformers to meters, the meter manufacturer should state whether the burden is inductive or capacitive (for transformer operated meters only). 7.
