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GB/T 17215.211-2021 English PDF

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GB/T 17215.211-2021: Electricity metering equipment(AC) - General requirements, tests and test conditions - Part 11: Metering equipment
Status: Valid

GB/T 17215.211: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 17215.211-20212109 Add to Cart 10 days Electricity metering equipment(AC) - General requirements, tests and test conditions - Part 11: Metering equipment Valid
GB/T 17215.211-2006RFQ ASK 4 days Electricity metering equipment (a.c.) -- General requirements, tests and test conditions -- Part 11: Metering equipment Obsolete

Similar standards

GB/T 15284   GB/T 17215.321   GB/T 34067.2   GB/T 17215.241   GB/T 17215.301   GB/T 17215.221   

Basic data

Standard ID: GB/T 17215.211-2021 (GB/T17215.211-2021)
Description (Translated English): Electricity metering equipment(AC) - General requirements, tests and test conditions - Part 11: Metering equipment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N22
Word Count Estimation: 114,163
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 17215.211-2021: Electricity metering equipment(AC) - General requirements, tests and test conditions - Part 11: Metering equipment


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Electricity metering equipment(AC)-General requirements, tests and test conditions-Part 11.Metering equipment ICS 17.220.20 N22 National Standards of People's Republic of China Replace GB/T 17215.211-2006 Electric measuring equipment (AC) General requirements, tests and Test conditions Part 11.Measuring equipment Released on 2021-04-30 2021-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Preface Ⅶ Introduction Ⅷ 1 Scope 1 2 Normative references 2 3 Terms and definitions 3 3.1 General definition 3 3.2 Definitions related to functional units 6 3.3 Definition of instrument port 9 3.4 Definition of mechanical unit 9 3.5 Definitions related to measurement 11 3.6 Definitions related to external influences 14 3.7 Definition of test 15 3.8 Definitions related to electromechanical instruments 15 3.9 Definitions related to instrument identification and symbols 16 3.10 Definitions related to defects 17 3.11 Definitions related to measurement performance protection 18 4 Standard battery value 19 4.1 Voltage 19 4.2 Current 19 4.3 Frequency 20 4.4 Power consumption 21 5 Structure 22 5.1 General requirements 22 5.2 Mechanical test 22 5.3 Window 23 5.4 Seal regulations 23 5.5 Measured value display 23 5.6 Measured value storage 24 5.7 Output 24 5.8 Electric pulse input 26 5.9 Work indicator 26 6 Identification and documentation of the instrument 26 6.1 Marking of instrument accuracy grade 26 6.2 Nameplate 26 6.3 Wiring diagram and terminal identification 27 6.4 Symbol 30 6.5 File 31 7 Measurement performance 31 7.1 General test conditions 31 7.2 Methods of accuracy verification 33 7.3 Instrument constant test 33 7.4 No-load condition (creeping) test 33 7.5 Starting current test 34 7.6 Measurement test of initial inherent error 34 7.7 Repeatability test 35 7.8 Variation requirement test 36 7.9 Load current rise and fall test 36 7.10 Error consistency test 36 7.11 Error limit test caused by influence quantity 37 7.12 Combination error test of electric energy indication 37 7.13 Timing accuracy test 38 7.14 Combination maximum allowable error test 39 8 Climate 39 8.1 General requirements 39 8.2 Temperature range, environmental class 39 8.3 Other climatic conditions 40 8.4 Climate and environment impact test 40 9 External influences 43 9.1 General requirements 43 9.2 Acceptance criteria 43 9.3 Electromagnetic compatibility (EMC) test 44 9.4 Tests against other influences 52 10 Metering performance protection 59 10.1 General requirements 59 10.2 Embedded software (firmware) identification 59 10.3 Software protection 59 10.4 Parameter protection 59 10.5 Separation of meters and sub-components 60 10.6 Software separation 60 10.7 Data storage and transmission of data through communication systems 60 10.8 Maintenance and Upgrade 61 10.9 Detection function of event record 62 10.10 Verification method 62 11 Type test 63 11.1 Test conditions 63 11.2 Type test report 63 Appendix A (informative appendix) The main technical changes of this part compared with GB/T 17215.211-2006 65 Appendix B (Normative Appendix) Optical test output 68 Appendix C (Normative Appendix) Type A and Type B electric pulse 69 Appendix D (Normative Appendix) Long-distance electric pulses for special applications in accordance with GB/T 3369.1 72 Appendix E (informative appendix) Instrument symbols and signs 75 Appendix F (Normative Appendix) Calculation of Combined Error 81 Appendix G (informative appendix) Instrument port 83 Appendix H (Informative Appendix) Test Setup for Electromagnetic Compatibility Test 85 Appendix I (informative appendix) Conducted differential mode current interference test 88 Appendix J (informative appendix) Ring wave test 89 Appendix K (informative appendix) Magnet for external magnetic field influence test 90 Appendix L (Normative appendix) Test circuit diagram for harmonic influence test in current and voltage circuit 91 Appendix M (Informative Appendix) Short-term overcurrent test waveform 97 Appendix N (informative appendix) Load current rapid change test 98 Appendix O (Normative Appendix) Ground Fault Test Circuit Diagram 99 Appendix P (Normative Appendix) Recommended test sequence table 100 References 103 Figure B.1 Test layout of optical test output 68 Figure B.2 Waveform of optical test output 68 Figure C.1 Electrical pulse output physical interface 69 Figure C.2 Electric pulse output waveform 70 Figure C.3 Pulse output test layout 70 Figure C.4 Pulse input test layout 71 Figure D.1 Output pulse waveform 73 Figure D.2 Pulse output test layout 73 Figure D.3 Pulse input test layout 74 Figure G.1 Typical port configuration for direct access to the instrument (example) 83 Figure G.2 Typical port configuration for connecting to the instrument via a transformer (example) 84 Figure H.1 Test setup for radio frequency electromagnetic field test 85 Figure H.2 Test setup for radio frequency electromagnetic field test with standard table 85 Figure H.3 Test setup for fast transient burst test. voltage circuit 86 Figure H.4 Test setup for fast transient burst test with standard meter. voltage circuit 86 Figure H.5 Test setup for fast transient burst test. current circuit 87 Figure H.6 Test setup for fast transient burst test with standard meter. current circuit 87 Figure I.1 Test setup for differential mode current interference from power electronics and power line communication systems (derived from IEC 61000-4-19) 88 Figure L.1 Test circuit diagram (5th harmonic, interharmonic, higher harmonic, peak wave, square top wave influence test) 91 Figure L.2 Pulse train trigger waveform (2 cycles on, 2 cycles off) 92 Figure L.3 Harmonic content information distribution of burst trigger waveform (incomplete Fourier analysis) 92 Figure L.4 90° phase trigger waveform 93 Figure L.5 Harmonic content information distribution of 90° phase trigger waveform (incomplete Fourier analysis) 93 Figure L.6 Half-wave rectification (DC and even harmonics) test circuit diagram 94 Figure L.7 Half-wave rectification waveform (DC and even harmonics) 94 Figure L.8 Harmonic content information distribution of half-wave rectification waveform (incomplete Fourier analysis) 95 Figure L.9 Square top wave waveform current amplitude 95 Figure L.10 Peak wave waveform current amplitude 96 Figure O.1 Circuit for simulating the ground fault state of U1 phase 99 Figure O.2 Voltage 99 on the tested instrument Table 1 Standard nominal voltage 19 Table 2 Voltage range 19 Table 3 Standard turning current 19 Table 4 Starting current requirements 20 Table 5 Minimum current requirements 20 Table 6 Maximum current 20 Table 7 Frequency range 21 Table 8 Power consumption 21 Table 9 Marking and document requirements 28 Table 10 Voltage and current balance 32 Table 11 Reference conditions 32 Table 12 Mandatory test points for determining the initial inherent error test 35 Table 13 Test points of repeatability test 36 Table 14 Temperature range 39 Table 15 Temperature limits 39 Table 16 Environmental class 40 Table 17 Other climatic conditions 40 Table 18 High temperature test temperature and test duration 41 Table 19 Low temperature test temperature and test duration 41 Table 20 Sunlight Radiation Test Procedure 42 Table 21 Acceptance criteria 44 Table 22 AC voltage sag and short-term interruption test 45 Table 23 DC voltage sag and short-term interruption test 46 Table 24 Evaluation of the basic functions of the instrument under the influence of voltage changes 55 Table 25 Recommended verification methods for each project 63 Working conditions specified in Table C.1 69 Table C.2 Pulse output test 70 Table C.3 Pulse input test 71 Working conditions specified in Table D.1 72 Table D.2 Pulse output test 74 Table D.3 Pulse input test 74 Table E.1 Voltage mark (example) 75 Table E.2 Symbols indicating accuracy grades and meter constants (example) 75 Table E.3 Measuring unit symbols (example) 75 Table E.4 Symbols connected to instrument via transformer (example) 77 Table E.5 Symbols for displaying information identification (example) 77 Table E.6 Measured identification (example) 78 Table E.7 Basic unit symbols for meters (example) 78 Table E.8 Auxiliary device symbols (example) 79 Table E.9 Symbols (examples) of components used for movable unit support 79 Table E.10 Symbols used for communication ports (example) 80 Table E.11 Other symbols (examples) 80 Table L.1 Square top wave waveform 96 Table L.2 Peak Wave Waveform 96 Table P.1 Recommended test sequence 100 Electric measuring equipment (AC) General requirements, tests and Test conditions Part 11.Measuring equipment

1 Scope

This part of GB/T 17215.2 specifies the general mechanical and electrical equipment applicable to the type test of AC electric energy meters (hereinafter referred to as "meters"). Gas requirements and test conditions, requirements for functions and markings, requirements and test conditions related to climate and electromagnetic environment, resistance to external influences and tests Test conditions and embedded software requirements. Note 1.For other general requirements of the instrument (such as safety, reliability, etc.), please refer to the relevant parts of GB/T 17215.3 (all parts) and GB/T 17215.9 (all parts) Minute. For the specific accuracy requirements and other special requirements of each accuracy level instrument, please refer to the relevant regulations of GB/T 17215.3 (all parts). This part is applicable to newly manufactured electricity used to measure and control electric energy in a 50Hz or 60Hz power grid with a voltage not exceeding 600V. The measuring equipment, all the special function units except for the electric energy measurement function, can be integrated in the watch case or form a separate housing. Note 2.The above voltage is the line-to-neutral voltage derived from the nominal voltage, see Table 7 in IEC 62052-31.2015. If the meter has functions other than measuring active energy and reactive energy, for example. ---Measurement of voltage amplitude, current amplitude, power, frequency, power factor (or sinφ), etc.; ---Measurement of power quality parameters; ---Measurement of other forms of energy such as water, gas, steam, heat, etc.; ---Load control function; ---Data communication interface. Encapsulated in the case, the relevant standards can be applied to these functional requirements, but the requirements for these functions are not within the scope of this section. Note 3.The requirements for power monitoring devices and measurement functions (such as voltage amplitude, current amplitude, power, frequency, etc.) have been covered in GB/T 18216.12, but Equipment that complies with GB/T 18216.12 is not suitable for use as a billing meter, unless it also complies with this part and GB/T 17215.3 (all parts) Relevant regulations. Note 4.The requirements for power quality monitoring instruments have been covered in IEC 62586-1, and the test methods for power quality monitoring functions have been included in GB/T 17626.30 Covered in. The test requirements for power quality monitoring functions are covered in IEC 62586-2. If the instrument is designed to be installed on a specified matching (instrument) socket or rack, the requirements of this section apply, and the instrument is The meter is installed on the specified matching (instrument) socket or rack, but the requirements for the specified matching (instrument) socket or rack are not in this section. Within the range. Note 5.Examples of rack-mounted instruments are. rail-mounted instruments, panel-mounted instruments, etc. If the instrument is designed to install a separate indicating display, the requirements of this section apply. If each phase of the meter has multiple current circuits, the requirements of this section apply to all the electrical circuits of any current measuring unit in the case. Flow circuit. This section also applies to auxiliary input and output circuits, work indicators and test outputs of measuring equipment. Note 6.For example. pulse input and output, control input and output, electric energy test output. This section also covers the general content of the accuracy test, such as reference conditions, repeatability. This section distinguishes. ---Electromechanical instruments and static instruments; ---Single-phase instrument and multi-phase instrument; IEC 61000-4-8.2009 Electromagnetic compatibility (EMC) Part 4-8.Test and measurement technology Power frequency magnetic field immunity test IEC 61000-4-11 Electromagnetic Compatibility (EMC) Part 4-11.Test and measurement techniques Voltage dips, short-term interruptions and voltage Varying immunity test IEC 61000-4-19.2014 Electromagnetic Compatibility (EMC) Part 4-19.Testing and Measurement Technology AC Power Port Immunity Frequency range 2kHz~150kHz, differential mode conduction interference test IEC 62052-31.2015 Electrical measuring equipment (AC) General requirements Test and test conditions Part 31.Product safety requirements Summation test IEC CISPR32 electromagnetic compatibility radiation requirements for multimedia equipment ISO 4892-3 Plastic Laboratory Light Source Irradiation Method Part 3.UV Fluorescent Lamp

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 General definition 3.1.1 Electromechanicalmeter The current in the fixed coil interacts with the induced current in the conductive movable unit (usually a disc) to generate a A meter that can rotate proportionally. 3.1.2 Staticmeter A meter that generates an output proportional to the measured electrical energy by acting on a solid-state (electronic) unit by current and voltage. 3.1.3 Active energy meter (active) energymeter Watt-hourmeter A meter that measures active energy by integrating active power over time. Note. Rewrite GB/T 2900.79-2008, definition 313-06-01. 3.1.4 Reactive energy meter Var-hourmeter An instrument that measures reactive energy by integrating reactive power over time. Note. Rewrite GB/T 2900.79-2008, definition 313-06-02. 3.1.5 Multi-energymeter A meter that measures two or more forms of electrical energy (active electrical energy, reactive electrical energy, and apparent electrical energy) in a single enclosure. 3.1.6 Multi-functionmeter In a separate housing, it contains other than the energy measurement functions described in the standards for active energy meters and reactive energy meters Functional meter. Note. Multi-function meters can include. maximum demand indicator, time switch, ripple control receiver or radio receiver, pulse output, power monitoring function, electrical Performance quality function, input-output control function, communication function, etc. 3.1.7 Multi-ratemeter A meter with several registers, each register records the electric energy according to the definition of the tariff meter. Note 1.The rate table can be kept in the meter and work based on a time reference or consumption reference, or it can work through an external control signal. Note 2.Rewrite GB/T 2900.79-2008, definition 313-06-09. 3.1.8 Intervalmeter A meter that displays and stores the measurement results within a predetermined time interval. [OIMLR46-1/-2.Edition2012(E), definition 2.1.2] 3.1.9 Direct connected meter directconnectedmeter An instrument that is directly connected to the circuit under test without using an external instrument transformer. 3.1.10 Access to instrument transformeroperatedmeter via transformer An instrument connected to the circuit under test using an external instrument transformer. 3.1.11 Bidirectionalmeter A meter that measures the power flow in two directions. Note. For example. receive electrical energy at the measurement point (such as input) and provide electrical energy (such as output) at the same measurement point. 3.1.12 Standard electric energy meter referencestandard(meter) Design and work in a controlled laboratory environment to obtain the highest accuracy and stability, and traceable to national or international basic standards for A meter for measuring electrical energy units. 3.1.13 Metertype Used to specify the specific design of an instrument manufactured by a manufacturer. For electromechanical instruments, each type has. a) Similar measurement performance; b) It is determined that the components of the above-mentioned performance have the same and consistent structure; c) The ratio of the maximum current to the turning current is the same; d) The current coil has the same number of ampere turns at the turning current, and the voltage coil has the same number of turns per volt at the nominal voltage. Note 1.The same type can have several turning current values and nominal voltage values. Note 2.The ratio of the highest value to the lowest value of the basic speed of each instrument rotor of the same type should not exceed 1.5. Note 3.The meter is identified by the manufacturer with one or more sets of letters or numbers, or a combination of letters and numbers. There is only one logo for each type. Note 4.The type is represented by the sample table used for the type test, and its characteristic values (minimum current, turning current, maximum current and nominal voltage) are from the table provided by the manufacturer Select from the given value in the grid. Note 5.When the number of turns derived from the number of ampere turns is not an integer, the product of the turning current value and the number of coil turns may be different from the value of the sample table representing the type. in order to There is an integer turn, you can choose a similar value, either higher or lower. Only for the same reason, the number of turns per volt of the voltage coil can also be different, But not more than 20% of the prototypes representing this type. For stationary instruments, each type has. a) Similar measurement performance; b) The components that determine the above properties have the same and consistent structure. Note 6.The same type can have several turning current values and nominal voltage values. Note 7.The instrument is identified by the manufacturer with one or more sets of letters or numbers, or a combination of letters and numbers. There is only one logo for each type. Note 8.The type is represented by the sample table used for type testing, and its characteristic values (minimum current, turning current, maximum current and nominal voltage) are provided by the manufacturer in the form Select from the given value in. 3.1.14 Active power The root mean square value (RMS) of the current and voltage of any sinusoidal frequency component of the periodic signal in a single-phase circuit is compared with the phase between the voltage and current. The product of the cosine of the azimuth angle, the phase angle is the angle of the voltage signal vector relative to the current signal vector. Note 1.In the sine state, the active power is the real part of the complex power. Note 2.For non-sinusoidal periodic signals, the active power is the algebraic sum of the active power of the sinusoidal frequency components. Note 3.In the International System of Units (SI), the unit of active power is watts (W). [GB/T 2900.74-2008, definition 131-11-4......
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