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1、BRITISH STANDARD BS EN 62055-31:2005 Electricity metering Payment systems Part 31: Particular requirements Static payment meters for active energy (classes 1 and 2) The European Standard EN 62055-31:2005 has the status of a British Standard ICS 91.140.50 ? BS EN 62055-31:2005 This British Standard w
2、as published under the authority of the Standards Policy and Strategy Committee on 30 January 2006 BSI 30 January 2006 ISBN 0 580 47583 2 National foreword This British Standard is the official English language version of EN 62055-31:2005. It is identical with IEC 62055-31:2005. The UK participation
3、 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 on request to its secretary. Cross-references The British Standards which implement international or European pu
4、blications 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 BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the
5、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 enquirers to understand the text; present to the responsible international/European committee any enquiries on the
6、interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 63 and a back cover. The BSI co
7、pyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD EN 62055-31 NORME EUROPENNE EUROPISCHE NORM December 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen d
8、e Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62055-31:2005 E ICS 91.140.50 Englis
9、h version Electricity metering Payment systems Part 31: Particular requirements Static payment meters for active energy (classes 1 and 2) (IEC 62055-31:2005) Equipements de comptage de llectricit - Systmes paiement Partie 31: Prescriptions particulires - Compteurs statiques paiement dnergie active (
10、classes 1 et 2) (CEI 62055-31:2005) Messung der elektrischen Energie - Zhlersysteme mit Inkassofunktion Teil 31: Besondere Anforderungen - Elektronische Inkasso- Wirkverbrauchszhler (Klassen 1 und 2) (IEC 62055-31:2005) This European Standard was approved by CENELEC on 2005-11-01. CENELEC members ar
11、e 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 national standards may be obtained on application to
12、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 its own language and notified to the Central Secretariat has the
13、 same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Po
14、rtugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 2 Foreword The text of document 13/1344/FDIS, future edition 1 of IEC 62055-31, prepared by IEC TC 13, Equipment for electrical energy measurement and load control, was submitted to the IEC-CENELEC parallel vote and was appro
15、ved by CENELEC as EN 62055-31 on 2005-11-01. 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) 2006-08-01 latest date by which the national standards conflicting with the EN hav
16、e to be withdrawn (dow) 2008-11-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 62055-31:2005 was approved by CENELEC as a European Standard without any modification. _ EN 62055-31:2005 3 EN 62055-31:2005 CONTENTS INTRODUCTION.5 1 Scope 6 2 Norm
17、ative references .7 3 Terms and definitions .7 3.1 General payment metering definitions 7 3.2 Definitions of tokens 9 3.3 Definitions of token carriers .10 3.4 Definitions relating to tokens and token carriers .12 3.5 Definitions related to load switching .13 3.6 Definitions related to timekeeping a
18、nd tariff control 14 4 Standard electrical values.15 5 Mechanical requirements15 5.1 General.15 5.2 General mechanical requirements15 5.3 Case .15 5.4 Window .15 5.5 Terminals 16 5.6 Terminal covers.16 5.7 Creepage and clearance distances 16 5.8 Insulating-encased meter of protective class II .16 5.
19、9 Resistance to heat and fire 16 5.10 Protection against penetration of dust and water 16 5.11 Display and indicators16 5.12 Output device18 5.13 Marking of meter .18 5.14 Token carrier interface.18 6 Climatic requirements.18 6.1 General.18 6.2 Temperature range19 7 Electrical requirements .20 7.1 G
20、eneral.20 7.2 Influence of supply voltage 21 7.3 Power consumption .23 7.4 Influence of short-time overcurrents .23 7.5 Influence of heating .24 7.6 Influence of self-heating.24 7.7 Insulation 24 7.8 Electromagnetic compatibility (EMC)24 7.9 Load switching 26 7.10 Auxiliary output switches .28 7.11
21、Token carrier acceptor interface test 28 8 Metering accuracy requirements .28 EN 62055-31:2005 4 9 Functional requirements .28 9.1 General.28 9.2 Robustness of meter accounting process .29 10 Type test30 Annex A (informative) Functional performance31 A.1 Basic functionalities prepayment mode31 A.2 A
22、dditional functionalities 38 A.3 System compliance requirements .40 Annex B (informative) Reference model for a payment meter41 B.1 General .41 B.2 Generalised payment meter instance42 B.3 Functions in a single-part payment meter .44 Annex C (normative) Performance requirements for payment meters wi
23、th load switching utilisation categories UC2, UC3 and UC4 .48 C.1 Load switching capabilities.48 C.2 Normal operation .48 C.3 Electrical endurance 49 C.4 Line to load voltage surge withstand.50 C.5 Fault current making capacity.51 C.6 Short-circuit current carrying capacity 52 C.7 Minimum switched c
24、urrent54 C.8 Dielectric strength54 C.9 Sequence of tests55 Annex D (normative) Requirements of timekeeping.56 D.1 General .56 D.2 Synchronous clocks .57 D.3 Crystal-controlled clocks 57 D.4 Tests of timekeeping accuracy .58 D.5 Effects of disturbances on timekeeping.59 Annex ZA (normative) Normative
25、 references to international publications with their corresponding European publications.62 Table C.1 Summary of test currents for UC2, UC3 and UC448 Table C.2 Test sequence and sample plan .55 5 EN 62055-31:2005 INTRODUCTION Payment meters are used in situations where the supply of electrical energ
26、y to the load may be interrupted or its restoration enabled under the control of the payment meter in relation to a payment tariff agreed between the customer and the supplier. The payment meter is part of a system that uses token carriers to pass payment information as tokens between a vending netw
27、ork and the payment meters that include the meter accounting process. The functions of a payment meter are to measure electrical energy consumed and to decrement the available credit value in accordance with the metered consumption, and possibly in accordance with the passing of time. This available
28、 credit value is incremented as the result of payments made to the electricity supplier, and the meter accounting process continuously calculates the balance of available credit held by the customer. When the available credit value has been decremented to a predetermined value that is related to the
29、 payment mode in use, a switch is used to interrupt the supply to the customers load. However, additional features may be present in the payment meter, which prevent or delay the opening of the switch, or limit further consumption to a low load level. Such “social” features may include the provision
30、 of an emergency credit facility, the possibility of operation in a fixed-payment mode, and the inhibiting of interruptions for certain periods of time. In return for the payment (usually in cash) and depending on the particular type of system, the customer may be issued with a single-use token on a
31、 disposable token carrier for the equivalent value, or a reusable token carrier may be credited with that value, or the token may be transmitted directly to the meter via a communications network (a so-called virtual token carrier). “One-way” and “two-way” data transfer systems may be used, and the
32、token carriers may be: physical devices such as smart cards, or other electronic devices, or magnetic cards; virtual token carriers where the token information is transferred by a remote communications system; or numeric token carriers where sequences of digits are issued on a paper receipt and ente
33、red via a keypad on the meter. IEC 62051 provides some details of payment metering terminology in Clause 17. EN 62055-31:2005 6 ELECTRICITY METERING PAYMENT SYSTEMS Part 31: Particular requirements Static payment meters for active energy (classes 1 and 2) 1 Scope This part of IEC 62055 applies to ne
34、wly manufactured, static watt-hour payment meters of accuracy classes 1 and 2 for direct connection, for the measurement of alternating current electrical energy consumption of a frequency in the range 45 Hz to 65 Hz that include a load switch for the purpose of interruption or restoration of the el
35、ectricity supply to the load in accordance with the current value of the available credit maintained in the payment meter. It does not apply to static watt-hour payment meters where the voltage across the connection terminals exceeds 600 V (line-to-line voltage for meters for polyphase systems). It
36、applies to payment meters for indoor application only, where the payment meter shall be mounted as for normal service (i.e. together with a specified matching socket where applicable). Payment meters are implementations where all the main functional elements are incorporated in a single enclosure, t
37、ogether with any specified matching socket. There are also multi-part installations where the various main functional elements, such as the measuring element, the user interface unit, token carrier interface, and the load switch are implemented in more than one enclosure, involving additional interf
38、aces. This part of IEC 62055 does not apply to multi- part payment metering installations. Functional requirements that apply to payment meters are also defined in this part of IEC 62055, and include informative basic functional requirements and tests for the prepayment mode of operation in Annex A.
39、 Allowances are made for the relatively wide range of features, options, alternatives, and implementations that may be found in practice. The diverse nature and functionality of payment meters prevent the comprehensive specification of detailed test methods for all of these requirements. However, in
40、 this case, the requirements are stated in such a way that tests can then be formulated to respect and validate the specific functionality of the payment meter being tested. This part of IEC 62055 does not cover specific functionality or performance requirements for safety, circuit protection, isola
41、tion or similar purposes that may be specified through reference to other specifications or standards. This part of IEC 62055 does not cover software requirements. Software requirements for basic energy meter metrology are under consideration for the IEC 62059 series of standards, and in other organ
42、isations. This part of IEC 62055 covers type-testing requirements only. For acceptance testing, the concepts given in IEC 61358 may be used as a basic guideline. Dependability aspects are addressed in the IEC 62059 series of standards. This part of IEC 62055 does not cover conformity tests and syste
43、m compliance tests that may be required in connection with legal or other requirements of some markets. 7 EN 62055-31:2005 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undat
44、ed references, the latest edition of the referenced document (including any amendments) applies. IEC 62051:1999, Electricity metering Glossary of terms. IEC 61358:1996, Acceptance inspection for direct-connected alternating current static watt- hour meters for active energy (classes 1 and 2) IEC 620
45、52-11:2003, Electricity metering equipment (AC) General requirements, tests and test conditions Part 11: Metering equipment IEC 62053-21:2003, Electricity metering equipment (AC) Particular requirements Part 21: Static meters for active energy (classes 1 and 2) IEC 60050-300:2001, International Elec
46、trotechnical Vocabulary Electrical and electronic measurements and measuring instruments Part 311: General terms relating to measurements Part 312: General terms relating to electrical measurements Part 313: Types of electrical measuring instruments Part 314: Specific terms according to the type of
47、instrument IEC 61000-4-5:1995, Electromagnetic compatibility (EMC) Part 4-5: Testing and measurement techniques Surge immunity test IEC 61008-1:1996, Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) Part 1: General rules Amendm
48、ent 1 (2002) IEC 62055-21:2005, Electricity metering Payment systems Part 21: Framework for standardisation IEC 62054-21:2004, Electricity metering (a.c.) Tariff and load control Part 21: Particular requirements for time switches 3 Terms and definitions For the purposes of this part of IEC 62055, th
49、e terms and definitions given in IEC 60050-300, IEC 62051, IEC 62052-11, and IEC 62055-21, as well as the following, apply. Where there is a difference between definitions in IEC 62055-31 and those contained in other referenced IEC standards, then those defined in IEC 62055-31 shall take precedence. NOTE Some of these definitions cancel and replace those for the same term in IEC 620