BS-EN-50470-1-2006.pdf
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1、BRITISH STANDARD BS EN 50470-1:2006 Electricity metering equipment (a.c.) Part 1: General requirements, tests and test conditions Metering equipment (class indexes A, B and C) The European Standard EN 50470-1:2006 has the status of a British Standard ICS 91.140.50 ? BS EN 50470-1:2006 This British S
2、tandard was published under the authority of the Standards Policy and Strategy Committee on 29 December 2006 BSI 2006 ISBN 0 580 49810 7 National foreword This British Standard was published by BSI. It is the UK implementation of EN 50470-1:2006. The UK participation in its preparation was entrusted
3、 to Technical Committee PEL/13, Electricity meters. A list of organizations represented on PEL/13 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a
4、 British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD EN 50470-1 NORME EUROPENNE EUROPISCHE NORM October 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrot
5、echnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50470-1:2006 E ICS 91.140.50 English version Electricity met
6、ering equipment (a.c.) Part 1: General requirements, tests and test conditions - Metering equipment (class indexes A, B and C) Equipement de comptage dlectricit (c.a.) Partie 1: Prescriptions gnrales, essais et conditions dessai - Equipement de comptage (classes de prcision A, B et C) Wechselstrom-E
7、lektrizittszhler Teil 1: Allgemeine Anforderungen, Prfungen und Prfbedingungen - Messeinrichtungen (Genauigkeitsklassen A, B und C) This European Standard was approved by CENELEC on 2006-05-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditio
8、ns 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 the Central Secretariat or to any CENELEC member. This European Standard exists in three
9、 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 same status as the official versions. CENELEC members are the national electrotechnical
10、 committees of Austria, Belgium, 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 and the United K
11、ingdom. EN 50470-1:2006 2 Foreword This European Standard was prepared by the Technical Committee CENELEC TC 13, Equipment for electrical energy measurement and load control. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as EN 50470-1 on 2006-05-0
12、1. 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) 2007-05-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-05-01 This EN
13、 50470-1 is related to EN 62052-11:2003, Electricity metering equipment (a.c.) General requirements, tests and test conditions Part 11: Metering equipment. The structure of the two standards is similar, modifications in this European Standard are provided in the perspective of compliance with the es
14、sential requirements of the Directive 2004/22/EC on Measuring Instruments (MID). This standard is to be used with: EN 50470-2:2006, Electricity metering equipment (a.c.) Part 2: Particular requirements Electromechanical meters for active energy (class indexes A and B) or EN 50470-3:2006, Electricity
15、 metering equipment (a.c.) Part 3: Particular requirements Static meters for active energy (class indexes A, B and C). This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC
16、Directives 89/336/EMC and 2004/22/EC. See Annex ZZ. _ 3 EN 50470-1:2006 Contents 1 Scope.6 2 Normative references .6 3 Terms and definitions .9 3.1 General definitions 9 3.2 Definitions related to the functional elements 11 3.3 Definitions of mechanical elements .13 3.4 Definitions related to insula
17、tion .14 3.5 Definitions of meter quantities .15 3.6 Definitions of influence quantities17 3.7 Definitions of tests.20 3.8 Definitions related to electromechanical meters.20 3.9 Abbreviations 21 4 Standard electrical values 21 4.1 Standard reference voltages21 4.2 Standard currents and current range
18、s .21 4.3 Standard reference frequency .22 5 Mechanical requirements and tests 22 5.1 General mechanical requirements .22 5.2 Case .23 5.2.1 Requirements 23 5.2.2 Mechanical strength tests of meter case23 5.3 Window .24 5.4 Terminals - Terminal block(s) - Protective earth terminal.24 5.5 Terminal co
19、ver(s) 25 5.6 Clearance and creepage distances25 5.7 Insulating encased meter of protective class II 26 5.8 Resistance to heat and fire26 5.9 Protection against penetration of dust and water .27 5.10 Display of measured values.27 5.11 Output device and operation indicator .28 5.11.1 General .28 5.11
20、.2 Mechanical and electrical characteristics.28 5.11.3 Optical characteristics .29 5.12 Marking of meter .29 5.12.1 Name-plates29 5.12.2 Connection diagrams and terminal marking .31 5.13 Accompanying information 31 6 Climatic conditions .31 6.1 Temperature ranges31 6.2 Relative humidity.32 6.3 Tests
21、 of the effect of the climatic environments .32 6.3.1 General .32 6.3.2 Dry heat test (Test B) 32 6.3.3 Cold test (Test A) 33 6.3.4 Damp heat cyclic test (Test Db).33 6.3.5 Protection against solar radiation (Test Sa) .33 EN 50470-1:2006 4 7 Electrical requirements.34 7.1 Voltage range34 7.2 Heating
22、 .34 7.3 Insulation 34 7.3.1 Requirements 34 7.3.2 General test conditions34 7.3.3 Impulse voltage test 35 7.3.4 AC voltage test36 7.4 Electromagnetic compatibility (EMC) .36 7.4.1 Electromagnetic environment.36 7.4.2 General requirements and test conditions37 7.4.3 Critical change value .37 7.4.4 I
23、mmunity to voltage dips and short interruptions 38 7.4.5 Immunity to electrostatic discharges38 7.4.6 Immunity to radiated RF electromagnetic fields39 7.4.7 Immunity to electrical fast transients/bursts .39 7.4.8 Immunity to conducted disturbances, induced by RF fields 40 7.4.9 Immunity to surges 40
24、 7.4.10 Immunity to damped oscillatory waves.41 7.4.11 Immunity to continuous magnetic fields of external origin 41 7.4.12 Immunity to power frequency magnetic fields of external origin41 7.4.13 Radio interference suppression .42 8 Type test 42 8.1 Test conditions42 Annex A (normative) Relationship
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