ДСТУ EN IEC 62052-11:2022 Средства измерения электрической энергии переменного тока. Общие требования, испытания и условия испытания. Часть 11. Счетчики электрической энергии (EN IEC 62052-11:2021, IDT; IEC 6...

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EN IEC 62052-11:2021

Electricity metering equipment - General requirements, tests and test conditions -
Part 11: Metering equipment

прийнято як національний стандарт
методом «підтвердження» за позначенням

ДСТУ EN IEC 62052-11:2022
(EN IEC 62052-11:2021, IDT; IEC 62052-11:2020, IDT)

Засоби вимірювання електричної енергії змінного струму.
Загальні вимоги, випробування та умови випробування.
Частина 11. Лічильники електричної енергії

З наданням чинності від 2023-12-31

Відповідає офіційному тексту

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(ДП «УкрНДНЦ» http://uas.gov.ua)

CONTENTS

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

3.1 General definitions

3.2 Definitions related to the functional elements

3.3 Definitions of meter ports

3.4 Definitions of mechanical elements

3.5 Definitions related to measurements

3.6 Definitions related to external influences

3.7 Definition of tests

3.8 Definitions related to electromechanical meters

3.9 Definitions related to meter marking and symbols

4 Nominal electrical values

4.1 Voltages

4.1.1 Nominal voltages

4.1.2 Voltage ranges

4.2 Currents

4.2.1 Nominal currents

4.2.2 Starting current

4.2.3 Minimum current

4.2.4 Maximum current

4.2.5 Current ranges

4.3 Frequencies

4.3.1 Nominal frequencies

4.3.2 Frequency ranges

4.4 Power consumption

5 Construction requirements

5.1 General

5.2 Mechanical tests

5.2.1 Shock test

5.2.2 Vibration test

5.3 Window

5.4 Terminals - Terminal block(s) - Protective conductor terminal

5.5 Sealing provisions

5.5.1 General

5.5.2 Meter case

5.5.3 Meter terminals

5.5.4 Sealing of detached indicating displays

5.5.5 Sealing of LPIT connections

5.5.6 Sealing of meter configuration

5.6 Display of measured values

5.6.1 General

5.6.2 Meters without indicating displays

5.6.3 Meters with indicating displays

5.7 Storage of measured values

5.8 Pulse outputs

5.8.1 General

5.8.2 Optical test output

5.8.3 Electrical pulse output

5.8.4 Operation indicator

5.9 Electrical pulse inputs

5.9.1 General characteristics

5.9.2 Functional tests of electrical pulse inputs

5.10 Auxiliary power supply

6 Meter marking and documentation

6.1 Meter accuracy class marking

6.2 Meter marking

6.3 Connection diagrams and terminal marking

6.4 Symbols

6.4.1 General

6.4.2 Symbols for the measuring elements

6.4.3 Symbols for transformer-operated meters

6.4.4 Identification of the displayed information

6.4.5 Marking of the measured quantity

6.4.6 Symbols of principal units used for meters (see Table 8 )

6.4.7 Symbols for auxiliary devices

6.4.8 Symbols for details of the suspension of the moving element

6.4.9 Symbols for communication ports

6.5 Documentation

6.5.1 Installation manuals

6.5.2 Instruction for use

7 Metrological performance requirements and tests

7.1 General test conditions

7.2 Methods of accuracy verification

7.3 Measurement uncertainty

7.4 Meter constant

7.5 Initial start-up of the meter

7.6 Test of no-load condition

7.7 Starting current test

7.8 Repeatability test

7.9 Limits of error due to variation of the current

7.10 Limits of error due to influence quantities

7.11 Time-keeping accuracy

8 Climatic requirements

8.1 General

8.2 Environmental conditions

8.3 Tests of the effects of the climatic environments

8.3.1 General test requirements

8.3.2 Acceptance criteria

8.3.3 Dry heat test

8.3.4 Cold test

8.3.5 Damp heat cyclic test

8.3.6 Protection against solar radiation

8.4 Durability

9 The effects of external influence quantities and disturbances

9.1 General

9.2 Acceptance criteria

9.3 Electromagnetic compatibility (EMC)

9.3.1 General

9.3.2 Voltage dips and short interruptions

9.3.3 Electrostatic discharge immunity test

9.3.4 Radiated, radio-frequency, electromagnetic field immunity test - test without current

9.3.5 Radiated, radio-frequency, electromagnetic field immunity test - test with current

9.3.6 Electrical fast transient/burst immunity test

9.3.7 Immunity to conducted disturbances, induced by radio-frequency fields

9.3.8 Test for immunity to conducted, differential mode disturbances and signalling in the frequency range 2 kHz to 150 kHz at AC power ports

9.3.9 Surge immunity test

9.3.10 Ring wave immunity test

9.3.11 Damped oscillatory wave immunity test

9.3.12 External static magnetic fields

9.3.13 Power frequency magnetic field immunity test

9.3.14 Emission requirements

9.4 Tests of immunity to other influence quantities

9.4.1 General

9.4.2 Harmonics in the current and voltage circuits

9.4.3 Voltage variation

9.4.4 Ambient temperature variation

9.4.5 Interruption of phase voltage

9.4.6 Frequency variation

9.4.7 Reversed phase sequence

9.4.8 Auxiliary voltage variation

9.4.9 Operation of auxiliary devices

9.4.10 Short-time overcurrents

9.4.11 Self-heating

9.4.12 Fast load current variations

9.4.13 Earth fault

10 Type test

10.1 Test conditions

10.2 Type test report