AS/NZS IEC 61000.3.12:2023
Electromagnetic compatibility (EMC), Part 3.12: Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current >16 A and ≤ 75 A per phase
Standard identically adopts IEC 61000 3 12:2011+AMD1:2021 CSV which specifies the limitation of harmonic currents injected into the public supply system. The limits given in this document are applicable to electrical and electronic equipment with a rated input current exceeding 16 A and up to and including 75 A per phase, intended to be connected to public low‐voltage a.c. distribution systems.
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AS/NZS IEC 61000.3.12:2023 Electromagnetic compatibility (EMC) Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current > 16 A and ≤ 75 A per phase
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement conditions
4.1 Determination of the reference current
4.2 Harmonic current measurement
4.2.1 General
4.2.2 Measurement procedure
4.2.3 Repeatability
4.2.4 Starting and stopping
4.2.5 Application of limits
4.2.6 Test report
4.2.7 Test observation period
4.3 Equipment consisting of several self-contained items
5 Requirements and limits for equipment
5.1 Control methods
5.2 Limits for emission
5.3 Procedure if the reference current is less than 16 A
6 Product documentation
7 Test and simulation conditions
7.1 General
7.2 Requirements for direct measurement
7.3 Requirements for simulation
7.4 General conditions for test and simulation
Annex A (normative) Type test conditions
Annex B (informative) Illustration of limits for harmonic currents
Annex C (informative) Equipment not complying with the requirements and limits of this standard
Bibliography
Previous versions
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AS/NZS IEC 61000.3.12:2023 Electromagnetic compatibility (EMC) Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current > 16 A and ≤ 75 A per phase
CONTENTS
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement conditions
4.1 Determination of the reference current
4.2 Harmonic current measurement
4.2.1 General
4.2.2 Measurement procedure
4.2.3 Repeatability
4.2.4 Starting and stopping
4.2.5 Application of limits
4.2.6 Test report
4.2.7 Test observation period
4.3 Equipment consisting of several self-contained items
5 Requirements and limits for equipment
5.1 Control methods
5.2 Limits for emission
5.3 Procedure if the reference current is less than 16 A
6 Product documentation
7 Test and simulation conditions
7.1 General
7.2 Requirements for direct measurement
7.3 Requirements for simulation
7.4 General conditions for test and simulation
Annex A (normative) Type test conditions
Annex B (informative) Illustration of limits for harmonic currents
Annex C (informative) Equipment not complying with the requirements and limits of this standard
Bibliography
Previous versions
AS/NZS IEC 61000.3.12:2023
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.