IEC 62053-22-2020 PDF

Full title and description

Electricity metering equipment - Particular requirements - Part 22: Static meters for AC active energy (classes 0,1S, 0,2S and 0,5S). This international standard specifies accuracy-class-specific requirements and type-test criteria for transformer-operated static watt-hour meters intended to measure alternating-current active energy on 50 Hz or 60 Hz networks.

Abstract

IEC 62053-22:2020 (Edition 2) applies to transformer-operated static watt‑hour meters of accuracy classes 0,1S, 0,2S and 0,5S and covers type tests for measurement of AC active energy in 50 Hz and 60 Hz networks. The 2020 edition is a technical revision that removes meter safety requirements (covered separately), relocates general test methods into IEC 62052-11:2020, and adds requirements for class 0,1S, measurement uncertainty and repeatability, immunity to certain conducted disturbances, and influence of fast load current variations.

General information

• Status: Published / Current.
• Publication date: 17 June 2020.
• Publisher: International Electrotechnical Commission (IEC).
• ICS / categories: 17.220.20 (Measurement of electrical and magnetic quantities; electricity metering equipment).
• Edition / version: Edition 2.0 (2020).
• Number of pages: 34 (IEC edition PDF length as published by IEC).

Scope

Applies only to transformer‑operated static watt‑hour meters of accuracy classes 0,1S, 0,2S and 0,5S for measurement of alternating‑current active energy in 50 Hz or 60 Hz networks and to their type tests. It covers meters with integral or detached displays and meters installed in specified sockets or racks, and it may be applied to meters intended to operate with low‑power instrument transformers only when appropriate test conditions are met. The document explicitly excludes meters with nominal voltages (line‑to‑neutral) exceeding 1 000 V AC, portable meters, meters for rolling stock/vehicles/ships/airplanes, laboratory reference meters, and certain system/matching-socket details and tampering‑detection measures.

Key topics and requirements

• Accuracy‑class specific requirements for static active‑energy meters: classes 0,1S, 0,2S and 0,5S.
• Type‑test procedures for verification of accuracy, repeatability and measurement uncertainty.
• New tests/requirements for accuracy class 0,1S (added in the 2020 edition).
• Requirements for influence of fast load current variations and repeatability under varying loads.
• Immunity requirements for conducted differential current disturbances in the 2 kHz to 150 kHz band.
• Clarification that general test methods and many common meter requirements are defined in IEC 62052-11:2020 (this part contains accuracy‑class specific items only).
• Removal of meter safety requirements from this part (now covered by IEC 62052-31:2015).

Typical use and users

Used by electricity meter manufacturers (design and type testing), conformity assessment and calibration laboratories, utilities and network operators for procurement and acceptance testing, national regulators and standards bodies for type approval and regulation, and test/inspection bodies performing type and conformity tests. It is also referenced by consultants and researchers working on metering accuracy and electromagnetic/immunity performance.

Related standards

Closely related and referenced documents include IEC 62052-11 (general requirements and test methods for electricity metering equipment), IEC 62052-31 (meter safety requirements), other parts of the IEC 62053 series (for different meter classes and functions such as 62053-21, -23, -24), the IEC 61869 series (LPITs — low power instrument transformers), and regional/adopted versions EN/EN IEC 62053-22. These references define complementary test methods, safety, and interface requirements.

Keywords

electricity metering, static watt‑hour meter, active energy, accuracy class, type tests, measurement uncertainty, repeatability, immunity, LPIT, IEC 62053, IEC 62052, metering standards.

FAQ

Q: What is this standard?

A: IEC 62053-22:2020 is the IEC international standard that specifies accuracy‑class specific requirements and type‑test procedures for transformer‑operated static watt‑hour meters measuring AC active energy for classes 0,1S, 0,2S and 0,5S (Edition 2, published 17 June 2020).

Q: What does it cover?

A: It covers type tests and accuracy requirements for static active‑energy meters (specified classes) in 50 Hz and 60 Hz networks, including tests for measurement uncertainty, repeatability, immunity to certain conducted disturbances and behavior under fast load current changes; general test methods and safety requirements are addressed in other IEC documents referenced by this part.

Q: Who typically uses it?

A: Meter manufacturers, conformity and calibration laboratories, utilities and network operators, certification bodies and national regulators use this standard for design verification, type testing, procurement specifications and type approval.

Q: Is it current or superseded?

A: IEC 62053-22:2020 is the current (published) edition that cancels and replaces IEC 62053-22:2003 and its 2016 amendment/corrigenda; it is the definitive edition for accuracy‑class specific requirements as of its publication date.

Q: Is it part of a series?

A: Yes — it is Part 22 within the IEC 62053 series (electricity metering equipment — particular requirements). General requirements and test methods for electricity meters are handled in IEC 62052-11 (and related IEC 62052 series parts); other parts of IEC 62053 cover different meter types and accuracy classes.

Q: What are the key keywords?

A: Active energy, static watt‑hour meters, accuracy classes 0,1S/0,2S/0,5S, type testing, measurement uncertainty, repeatability, electromagnetic immunity, LPIT.