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CENELEC
EN 50470-2:2006

EN 50470-2:2006

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Electricity metering equipment (a.c.) - Part 2: Particular requirements - Electromechanical meters for active energy (class indexes A and B)

Amended by

EN 50470-2:2006/A1:2018

Withdrawn date

01-05-2009

Published date

27-10-2006

Publisher

European Committee for Standards - Electrical

1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Standard electrical values
5 Mechanical requirements
   5.1 General
   5.2 Register (counting mechanism)
   5.3 Direction of rotation and marking of the rotor
6 Climatic conditions
7 Electrical requirements
   7.1 Power consumption
       7.1.1 Measuring method
       7.1.2 Voltage circuits
       7.1.3 Current circuits
   7.2 AC voltage test
8 Accuracy requirements and tests
   8.1 Limits of percentage error due to variation of the load
   8.2 Repeatability
   8.3 Limits of additional percentage error due to influence
       quantities
   8.4 Maximum permissible error (MPE)
   8.5 Effect of disturbances of long duration
   8.6 Short time overcurrents
   8.7 Performing the tests
       8.7.1 Accuracy test conditions
       8.7.2 Accuracy test at reference conditions
       8.7.3 Interpretation of accuracy test results
       8.7.4 Repeatability
       8.7.5 Test of effects of influence quantities
       8.7.6 Calculation of the composite error
       8.7.7 Test of effects of disturbances of long duration
       8.7.8 Short time overcurrents
       8.7.9 Test of starting and no-load condition
       8.7.10 Meter constant
       8.7.11 Adjustment
9 Durability
10 Reliability
11 Protection against corruption
Annex A (informative) Calculation of the composite error
Annex B (normative) Test circuit diagram for the test of
        immunity to earth fault
Annex ZZ (informative) Coverage of Essential Requirements
         of EC Directives
Bibliography

This European Standard applies to newly manufactured electromechanical watt-hour meters intended for residential, commercial and light industrial use, of class indexes A and B, for the measurement of alternating current electrical active energy in 50 Hz networks. It specifies particular requirements and type test methods. It applies to electromechanical 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) measuring element(s) 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 (multi-function meters) then this standard applies only for the active energy metering part. This standard distinguishes between: –meters of class indexes A and B; –direct connected and transformer operated meters; –meters for use in networks equipped with or without earth fault neutralizers. 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. Methods for acceptance testing are covered by the IEC 62058 series of standards 1). The dependability aspect is covered by the documents of the IEC 62059 series.

Committee
CLC/TC 13
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Withdrawn
SupersededBy

EN 62058-21:2010 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)
BS EN 62058-21:2010 Electricity metering equipment (a.c.). Acceptance inspection Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2 and class indexes A and B)
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)
I.S. 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)
CEI EN 62058-21 : 2011 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)
CEI EN 50470-1 : 2007 ELECTRICITY METERING EQUIPMENT (A.C.) - PART 1: GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - METERING EQUIPMENT (CLASS INDEXES A, B AND C)
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)
I.S. EN 62058-21:2010 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 TR 60736:1982 Testing equipment for electrical energy meters
IEC 62053-11:2003+AMD1:2016 CSV Electricity metering equipment (a.c.) - Particular requirements - Part 11: Electromechanical meters for active energy (classes 0,5, 1and 2)
IEC TR 62059-21:2002 Electricity metering equipment - Dependability - Part 21: Collection of meter dependability data from the field
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)
IEC 62058-11:2008 Electricity metering equipment (AC) - Acceptance inspection - Part 11: General acceptance inspection methods
IEC TR 62059-11:2002 Electricity metering equipment - Dependability - Part 11: General concepts
IEC 62058-21:2008 Electricity metering equipment (AC) - Acceptance inspection - Part 21: Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2)

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