General Information

Abstract

Status: Published
Publication Date: 09-Jul-2014

ICS: 33.100.10 - Emission
: 33.100.20 - Immunity

Technical Committee: SC 77A - EMC - Low frequency phenomena
Drafting Committee: WG 8 - TC 77/SC 77A/WG 8

Current Stage: DELPUB - Deleted Publication
Start Date: 25-Jul-2024
Completion Date: 28-Aug-2026

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IEC 61000-2-4:2002/COR1:2014 - Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances
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IEC 61000-2-4:2002/COR1:2014 - Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances Released:7/10/2014

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Corrects: IEC 61000-2-4:2002 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances
Effective Date: 05-Sep-2023

Revised: IEC 61000-2-4:2024 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in power distribution systems in industrial locations for low-frequency conducted disturbances
Effective Date: 05-Sep-2023

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IEC 61000-2-4:2002/COR1:2014 - Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances Released:7/10/2014

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Frequently Asked Questions

What is IEC 61000-2-4:2002/COR1:2014?

IEC 61000-2-4:2002/COR1:2014 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances". This standard covers: Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances

What is the scope of IEC 61000-2-4:2002/COR1:2014?

Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances

What ICS categories does IEC 61000-2-4:2002/COR1:2014 belong to?

IEC 61000-2-4:2002/COR1:2014 is classified under the following ICS (International Classification for Standards) categories: 33.100.10 - Emission; 33.100.20 - Immunity. The ICS classification helps identify the subject area and facilitates finding related standards.

What standards are related to IEC 61000-2-4:2002/COR1:2014?

IEC 61000-2-4:2002/COR1:2014 has the following relationships with other standards: It is inter standard links to IEC 61000-2-4:2002, IEC 61000-2-4:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

How can I access IEC 61000-2-4:2002/COR1:2014?

IEC 61000-2-4:2002/COR1:2014 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)

IEC 61000-2-4:2002/COR1:2014 -...

IEC 61000-2-4 IEC 61000-2-4
(Second edition – 2002) (Deuxième édition – 2002)

Electromagnetic compatibility (EMC) Compatibilité électromagnétique (CEM) –

Part 2-4: Environment – Compatibility levels in Partie 2-4: Environnement – Niveaux de
industrial plants for low-frequency conducted compatibilité dans les installations industrielles
disturbances pour les perturbations conduites à basse
fréquence
CO RRI G E NDUM 1
This correction to the third column of Tableau 3
...

IEC

IEC 61000-2-4:2024(Main)

Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in power distribution systems in industrial locations for low-frequency conducted disturbances

IEC 61000-2-4:2024 is related to conducted disturbances in the frequency range from 0 kHz to 150 kHz. It gives compatibility levels in differential mode (L-L and L-N) for industrial locations, with a nominal voltage up to 35 kV and a nominal frequency of 50 Hz or 60 Hz.
NOTE 1 Industrial locations are defined in 3.1.8.
Power distribution systems on ships, aircraft, offshore platforms and railways are not included.
NOTE 2 See also Annex E. The compatibility levels specified in this document apply at the in-plant point of coupling (IPC). The level of the low-frequency disturbances at the terminals of equipment receiving its supply from the IPC is generally assumed to be similar to the disturbance level at the IPC itself. However, in some situations this is not the case, particularly when a long feeder is dedicated to the supply of a particular load, or when a disturbance is generated or amplified within the installation of which the equipment forms a part.
Compatibility levels are specified for the types of low-frequency electromagnetic disturbances expected at any in-plant point of coupling (IPC) within industrial locations, for guidance in the definition of:
a) limits for disturbance emissions in industrial power distribution systems (including the planning levels defined in 3.1.5);
NOTE 3 A very wide range of conditions is possible in the electromagnetic environments of industrial networks. These are approximated in this document by the three classes described in Clause 4. However, it is the responsibility of the operator of such a network to take account of the particular electromagnetic and economic conditions, including equipment characteristics, in setting the above-mentioned limits.
b) immunity levels for the equipment within these systems.
The disturbance phenomena considered are:
- voltage deviations;
- voltage dips and short interruptions;
- voltage imbalance;
- power-frequency variations;
- harmonics up to order 40;
- interharmonics up to the 40th harmonic;
- voltage components above the 40th harmonic up to 150 kHz;
- DC component;
- transient overvoltages.
The compatibility levels are given for different classes of environment determined by the characteristics of the supply network and loads.
NOTE 4 Compatibility levels at the point of common coupling (PCC) on public networks are specified in IEC 61000‑2‑2 for low-voltage networks and IEC 61000‑2‑12 for medium-voltage networks. IEC TR 61000‑3‑6 and IEC TR 61000‑3‑7 describe the approach of power distribution system operators to the limitation of emissions from installations and large loads.
This third edition cancels and replaces the second edition published in 2002. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) introduction of new classes 2a, 2b and 2L (former class 2);
b) modification of existing compatibility levels for class 3;
c) addition of compatibility levels in the frequency range 2 kHz to 150 kHz;
d) addition of compatibility levels using a new quantity: partial weighted harmonic distortion (PWHD).

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IEC 61000-4-7:2002(Main)

Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto

Applies to instrumentation intended for measuring spectral components in the frequency range up to 9 kHz which are superimposed on the fundamental of the power supply systems at 50 Hz and 60 Hz. For practical considerations, this standard distinguishes between harmonics, interharmonics and other components above the harmonic frequency range, up to 9 kHz. Defines the measurement instrumentation intended for testing individual items of equipment in accordance with emission limits given in certain standards (for example, harmonic current limits as given in IEC 61000-3-2) as well as for the measurement of harmonic currents and voltages in actual supply systems. The contents of the corrigendum of July 2004 have been included in this copy.

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Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto

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IEC 61000-2-4:2002(Main)

Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances

IEC 61000-2-4:2002 is concerned with conducted disturbances in the frequency range from 0 kHz to 9 kHz. It gives numerical compatibility levels for industrial and non-public power distribution systems at nominal voltages up to 35 kV and a nominal frequency of 50 Hz or 60 Hz. Compatibility levels are specified for electromagnetic disturbances of the types which can be expected at any in-plant point of coupling within industrial plants or other non-public networks, for guidance in a) limits to be set for disturbance emission into industrial power supply systems; b) the choice of immunity levels for the equipment within these systems. The contents of the corrigendum of July 2014 have been included in this copy.

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CISPR TR 16-4-4:2025 which is a Technical Report, establishes the CISPR model for the calculation of limits for the protection of radio services, based on data from the IEC Radio Services Database (RSD) and estimations of the input values for related probabilistic factors. This is part of the process of the derivation of disturbance limits in the radio frequency spectrum for use in publications containing emission requirements Application of this document leads to a frequency dependent limit result for a particular disturbance phenomenon and the considered product or product type establishing the technical basis in the CISPR limit specification procedure.
NOTE Non-technical parameters and terms that can be considered to influence a limit for inclusion in IEC publications are excluded from the modelling (see also Clause 4.6.5.3).
This third edition cancels and replaces the second edition published in 2007, Amendment 1:2017 and Amendment 2:2020. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) full revision of the limit calculation model;
b) the content on statistics of complaints was taken from this publication and published as separate document (CISPR TR 16-4-6);
c) application cases/rationales were separated from the model and will be handled in another document to be drafted.

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CISPR 16-1-4:2025 specifies the characteristics and performance of equipment for the measurement of radiated disturbances in the frequency range 9 kHz to 18 GHz. Specifications for antennas and test sites are included.
NOTE In accordance with IEC Guide 107. CISPR 16-1-4 is a basic EMC publication for use by product committees of the IEC. As stated in Guide 107, product committees are responsible for determining the applicability of the EMC standard. CISPR and its sub-committees are prepared to cooperate with product committees in the evaluation of the value of particular EMC tests for specific products.
The requirements of this publication apply at all frequencies and for all levels of radiated disturbances within the CISPR indicating range of the measuring equipment. Methods of measurement are covered in CISPR 16-2-3, further information on radio disturbance is given in CISPR TR 16-3, and uncertainties, statistics, and limit modelling are covered in CISPR 16-4 series. This fifth edition cancels and replaces the fourth edition published in 2019, Amendment 1:2020 and Amendment 2:2023. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) revision of the definition 3.1.7 and of the general introduction 8.1.1 for CMAD;
b) introduction of a new cable termination device, the very high frequency line impedance stabilization network (VHF-LISN) in 8.2;
c) addition of definition 3.1.34 for VHF-LISN, 3.1.20 for reference ground, 3.1.21 for reference ground plane and 3.1.31 for TN‑C‑S power system;
d) various non-technical editorial, style, and wording adjustments for consistency with drafting rules.

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Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances

IEC 60364-4-44:2024 provides requirements for the safety of electrical installations in the event of voltage disturbances and electromagnetic disturbances generated for different specified reasons. The requirements of this document are not intended to apply to systems for distribution of energy to the public, or power generation and transmission for such systems (see the scope of IEC 60364-1) although such disturbances can be conducted into or between electrical installations via these supply systems. This third edition cancels and replaces the second edition published in 2007, Amendment 1:2015 and Amendment 2:2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) the structure of the document has been updated in accordance with the ISO/IEC Directives, Part 2:2021: the terms, definitions and symbols have been regrouped under a new Subclause 440.3, the tables and figures have been renumbered;
b) Clause 443 has been amended to better introduce the DC SPD and to improve some of the wording.

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CISPR TR 16-4-6:2024(Main)

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CISPR TR 16-4-6:2024 which is a Technical Report, applies to the acquisition, processing and preparation of statistical data of radio interference cases to facilitate the evaluation of the effectiveness of CISPR standards with respect to their potential to prevent radio frequency interference (RFI). This document also provides a method for the analysis and evaluation of the residual risk of occurrence of the incidence of RFI in the electromagnetic environment. This document also provides guidance for how an interested party can verify the root cause of RFI. This can be applied to either a reported RFI case or a case otherwise suspected of constituting an “RFI scenario”, by inspection and field strength measurements at the local site in the given electromagnetic environment. Acquisition of statistical data according to this document only encompasses RFI incidences which affect radio reception by radio receivers or respective receiver components.

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General Information

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IEC 61000-2-4:2002/COR1:2014 - Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances Released:7/10/2014

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IEC 61000-2-4:2002/COR1:2014 - Corrigendum 1 - Electromagnetic compatibility (EMC) - Part 2-4: Environment - Compatibility levels in industrial plants for low-frequency conducted disturbances Released:7/10/2014

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