GB/T 17215.301-2024Electricity metering equipment (AC) - Particular requirements - Part 1: Multi-function electricity meters (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

This document is Part 1 of GB/T 17215.3 "Particular requirements for electrical measuring equipment (AC)". GB/T 17215.3 has been published The following parts.

--- Part 1. Multifunctional electric energy meter;

--- Part 2. Static harmonic active energy meter;

--- Particular requirements for alternating current measuring equipment - Part 3. Digital energy meters;

--- Particular requirements for AC current measuring equipment - Part 4. Static energy meters connected via electronic transformers;

--- Particular requirements for AC current measuring equipment - Part 11. Electromechanical active energy meters (classes 0.5, 1 and 2);

--- Part 21. Static active energy meters (Class A, Class B, Class C, Class D and Class E);

--- Part 23. Static reactive energy meters (level 2 and 3);

--- Part 24. Static fundamental component reactive energy meters (0.5S, 1S, 1, 2 and 3);

--- Particular requirements for alternating current measuring equipment - Part 52. Symbols.

This document replaces GB/T 17215.301-2007 "Special Requirements for Multi-function Electric Energy Meters" and is consistent with GB/T 17215.301-2007.

In addition to structural adjustments and editorial changes, the main technical changes are as follows:

a) Added the voltage levels applicable to this document (see Chapter 1);

b) The scope of application of this document has been increased, that is, electric energy meters with separate indicating displays are applicable to this document (see Chapter 1);

c) Deleted the basic functional requirements, mechanical requirements, climatic conditions, electrical requirements, electromagnetic compatibility, data security requirements of active energy measuring instruments.

Safety requirements, battery requirements and average life (see Chapter 5 of the 2007 edition);

d) Added the requirements for harmonic energy measurement and apparent energy measurement of energy measurement function (see 4.2);

e) The multi-rate function requirements have been modified (see 4.3, 5.6.3 and 5.7 of the 2007 edition);

f) Changed the requirements for electrical parameter measurement functions (see 4.5, 5.6.1.2 of the 2007 edition);

g) Added power quality monitoring function (see 4.6);

h) Added communication function (see 4.7);

i) Factory inspection, periodic inspection and supervisory inspection have been deleted (see 7.3 and 7.4 of the 2007 edition).

Introduction

GB/T 17215 "Alternating Current Measuring Equipment" is divided into several parts. GB/T 17215.3 "Alternating Current Measuring Equipment (AC) Particular Requirements" The "Requirements" provides standardization for the special requirements of various types of AC measuring equipment and is intended to consist of the following 9 parts.

--- Part 1. Multifunctional watt-hour meter. The purpose is to standardize the technology and test of multifunctional watt-hour meter and to establish the requirements for multifunctional watt-hour meter. Relevant rules to follow.

--- Part 2. Static harmonic active energy meter. The purpose is to standardize the technology, accuracy and test of static harmonic active energy meter.

Through the experiment, the relevant rules that static harmonic active energy meters need to follow are established.

--- Particular requirements for AC current measuring equipment Part 3. Digital energy meters. The purpose is to standardize the technology, accuracy and Accuracy and testing, and establish relevant rules that digital electricity meters need to follow.

--- Particular requirements for alternating current measuring equipment Part 4. Static energy meters connected via electronic transformers. The purpose is to standardize Technology, accuracy and test of static electric energy meter connected by electronic transformer, establish the static electric energy meter connected by electronic transformer The table needs to follow relevant rules.

--- Particular requirements for AC current measuring equipment Part 11. Electromechanical active energy meters (classes 0.5, 1 and 2). The purpose is to standardize Electromechanical active energy meter technology and test with accuracy levels of 0.5, 1 and 2, and establish the accuracy level of 0.5, Relevant rules that level 1 and level 2 electromechanical active energy meters need to follow.

--- Part 21. Static active energy meters (Class A, Class B, Class C, Class D, Class E). The purpose is to standardize the accuracy level A, B, C, D, E static active energy meter technology and test, establish the accuracy level of A, B, Relevant rules that Class C, Class D, and Class E static active energy meters need to follow.

--- Part 23. Static reactive energy meters (grade 2 and 3). The purpose is to standardize static reactive energy meters with accuracy grades 2 and 3.

Reactive energy meter technology and testing, establish the relevant requirements for static reactive energy meters with accuracy levels 2 and 3 rule.

--- Part 24. Static fundamental component reactive energy meters (0.5S, 1S, 1, 2 and 3).

Fundamental wave static reactive energy meter technology and test with accuracy levels of 0.5S, 1S, 1, 2 and 3, to establish accurate The relevant rules that fundamental wave static reactive energy meters with degree grades of 0.5S, 1S, 1, 2 and 3 need to follow.

--- Part 52. Symbols for AC current measuring equipment. The purpose is to provide a standard.

This document is a standard for type testing of multifunctional electric energy meters. It covers special requirements for indoor and outdoor electrical measuring equipment, but does not include Special functional units or components. This document gives the minimum test level to ensure the normal performance of the instrument under normal working conditions.

For special applications, it is negotiated between the user and the manufacturer.

1 Scope

This document defines the terms and definitions of multifunctional electric energy meters (hereinafter referred to as "meters"), and specifies the functional requirements and type test requirements.

Note 1. For other general requirements for electric energy meters (such as structure, EMC, safety, reliability, etc.), see GB/T 17215.231-2021, GB/T 17215.3 (all parts) GB/T 17215.9 (all parts).

This document applies to newly manufactured instruments used for measuring and controlling electrical power in 50Hz or 60Hz power grids with a voltage not exceeding 600V.

All special functional units except the electric energy measurement function can be integrated into the meter case or form a separate shell.

Note 2. The above voltage is the line-to-line neutral voltage derived from the nominal voltage, see Table 7 in GB/T 17215.231-2021.

If the instrument is designed to be mounted in a specified matching socket or rack, the requirements of this document apply and the test is performed with the instrument mounted in a socket or rack. Installation is performed on specified matching sockets or racks, but the requirements for these sockets or racks are outside the scope of this document.

Note 3. Examples of rack-mounted instruments include rail-mounted instruments, panel-mounted instruments, etc.

If the instrument is designed to be fitted with a separate indicating display, the requirements of this document apply and the instrument is connected with its separate indicating display Test unless otherwise specified.

If the meter has more than one current circuit per phase (e.g. multi-unit meter), the requirements of this document apply to any current measuring circuit within the meter case. All current circuits of the unit.

This document distinguishes.

--- Direct access to the instrument and access to the instrument through a transformer;

--- Indoor instruments and outdoor instruments.

This document does not apply to.

--- Instruments with line-to-neutral voltage exceeding 600V derived from the nominal voltage;

--- Laboratory and mobile instrument testing equipment;

--- Standard table;

--- A measurement system consisting of multiple devices that are physically far away from each other;

--- Portable instrument;

--- Instruments connected via electronic transformers that meet the requirements of GB/T 20840.8;

--- Instruments connected via low-power current sensors that comply with the requirements of IEC 61869-10.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document.

GB/T 15284-2022 Special requirements for multi-rate electric energy meters

GB/T 17215.211-2021 Electrical measuring equipment (AC) General requirements, tests and test conditions Part 11: Measuring equipment

GB/T 17215.302-2024 Particular requirements for electrical measuring equipment (AC) Part 2: Static harmonic active energy meters

GB/T 17215.321-2021 Particular requirements for electrical measuring equipment (AC) Part 21: Static active energy meters (Class A,