Electromagnetic compatibility (EMC) - Part 4-16: Testing and measurement techniques - Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz

This part of IEC 61000 relates to the immunity requirements and test methods for electrical and electronic equipment to conducted, common mode disturbances in the range d.c. to 150 kHz. The object of this standard is to establish a common and reproducible basis for testing electrical and electronic equipment with the application of common mode disturbances to power supply, control, signal and communication ports.
This standard defines
• test voltage and current waveform;
• range of test levels;
• test equipment;
• test set-up;
• test procedures.
For some types of ports, for example ports intended to be used with highly balanced lines, additional test provisions may be established by product committee specifications. The test is intended to demonstrate the immunity of electrical and electronic equipment when subjected to conducted, common mode disturbances such as those originating from power line currents and return leakage currents in the earthing/grounding system. The disturbances produced by 400 Hz mains systems are not included in the scope of this standard.
Actual interference due to these disturbance phenomena is relatively rare, except in industrial plants. Product committees should therefore consider whether there is a justification for applying this standard in their product/product family standards (see also Clause 4). This test is not relevant for equipment ports intended to be connected to short cables, having a length less than 20 m or less.
The immunity to harmonics and interharmonics, including mains signalling, on a.c. power ports (in differential mode) is not included in the scope of this standard and is covered by IEC 61000-4-13 and IEC 61000-4-19.
The immunity to conducted disturbances generated by intentional radio-frequency transmitters is not included in the scope of this standard and is covered by IEC 61000-4-6.

Elektromagnetische Verträglichkeit (EMV) - Teil 4-16: Prüf- und Meßverfahren - Prüfung der Störfestigkeit gegen leitungsgeführte, asymetrische Störgrößen im Frequenzbereich von 0 Hz bis 150 kHz

Compatibilité électromagnétique (CEM) - Partie 4-16: Techniques d'essai et de mesure - Essai d'immunité aux perturbations conduites en mode commun dans la gamme de fréquences de 0 Hz à 150 kHz

L'IEC 61000-4-16:2015 traite des exigences en matière d'immunité et des méthodes d'essai relatives aux équipements électriques et électroniques soumis à des perturbations conduites en mode commun dans la plage du courant continu à 150 kHz. L'objet de la présente Norme est d'établir une base commune et reproductible destinée à soumettre à essai les performances des équipements électriques et électroniques lorsque ceux-ci sont soumis à des perturbations conduites en mode commun, appliquées aux accès d alimentation, de commande, de signal et de communication. Elle a le statut de publication fondamentale en CEM conformément au Guide 107 de l'IEC. Cette deuxième édition annule et remplace la première édition  parue en 1998, l'Amendement 1:2001 et l'Amendement 2:2009. Cette édition constitue une révision technique.

Elektromagnetna združljivost (EMC) - 4-16. del: Preskušanje in merilne tehnike - Preskušanje odpornosti proti prevajanim motnjam skupne zvrsti v frekvenčnem območju od 0 Hz do 150 kHz

Ta del standarda IEC 61000 obravnava zahteve po odpornosti ter preskusne metode za električno in elektronsko opremo proti prevajanim motnjam skupne zvrsti v frekvenčnem območju do 150 kHz (enosmerni tok). Namen tega standarda je oblikovati skupno in ponovljivo podlago za preskušanje električne in elektronske opreme z motnjami skupne zvrsti na napajalnih, kontrolnih, signalnih in komunikacijskih vhodih.
Ta standard določa:
• preskusno napetost in valovno obliko toka;
• obseg preskusnih ravni;
• opremo za preskušanje;
• pripravo preskusa;
• preskusne postopke.
Za nekatere vrste vhodov (npr. vhode, ki so namenjeni za uporabo z visoko uravnoteženimi vodi) se lahko na podlagi specifikacij tehničnega odbora oblikujejo dodatne določbe za opravljanje preskusov. Preskus je namenjen za prikaz odpornosti električne in elektronske opreme, izpostavljene prevajanim motnjam skupne zvrsti, ki jih na primer povzročajo napajalni tokovi in povratni uhajavi tokovi v ozemljitvenem sistemu. Področje uporabe tega standarda ne vključuje motenj, ki jih povzročajo omrežni sistemi s frekvenco 400 Hz.
Dejanske motnje zaradi tovrstnih motečih pojavov so bolj ali manj redke, razen v industrijskih obratih. Tehnični odbori morajo zato presoditi, ali je uporaba tega standarda v okviru standardov za izdelek/družino izdelkov utemeljena (glej tudi točko 4). Ta preskus ni ustrezen za vhode opreme, namenjene za povezavo s kratkimi kabli dolžine največ 20 m.
Odpornost na harmonike in medharmonike, vključno z napetostnimi signali v omrežju, na vhodih za izmenično napajanje (v diferencialnem načinu) ne spada v področje uporabe tega standarda in je zajeta v standardih IEC 61000-4-13 in IEC 61000-4-19.
Odpornost na prevajane motnje, ki jih povzročajo namenski radiofrekvenčni oddajniki, ne spada v področje uporabe tega standarda in je zajeta v standardu IEC 61000-4-6.

General Information

Status
Published
Publication Date
13-Apr-2016
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Apr-2016
Due Date
06-Jun-2016
Completion Date
14-Apr-2016

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SLOVENSKI STANDARD
SIST EN 61000-4-16:2016
01-maj-2016
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SIST EN 61000-4-16:1999
SIST EN 61000-4-16:1999/A1:2004
SIST EN 61000-4-16:1999/A2:2011
(OHNWURPDJQHWQD]GUXåOMLYRVW (0& GHO3UHVNXãDQMHLQPHULOQHWHKQLNH
3UHVNXãDQMHRGSRUQRVWLSURWLSUHYDMDQLPPRWQMDPVNXSQH]YUVWLYIUHNYHQþQHP
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Electromagnetic compatibility (EMC) - Part 4-16: Testing and measurement techniques -
Test for immunity to conducted, common mode disturbances in the frequency range 0 Hz
to 150 kHz
Elektromagnetische Verträglichkeit (EMV) - Teil 4-16: Prüf- und Meßverfahren - Prüfung
der Störfestigkeit gegen leitungsgeführte, asymetrische Störgrößen im Frequenzbereich
von 0 Hz bis 150 kHz
Compatibilité électromagnétique (CEM) - Partie 4-16: Techniques d'essai et de mesure -
Essai d'immunité aux perturbations conduites en mode commun dans la gamme de
fréquences de 0 Hz à 150 kHz
Ta slovenski standard je istoveten z: EN 61000-4-16:2016
ICS:
33.100.20 Imunost Immunity
SIST EN 61000-4-16:2016 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 61000-4-16:2016

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SIST EN 61000-4-16:2016


EUROPEAN STANDARD EN 61000-4-16

NORME EUROPÉENNE

EUROPÄISCHE NORM
March 2016
ICS 33.100.20 Supersedes EN 61000-4-16:1998
English Version
Electromagnetic compatibility (EMC) -
Part 4-16: Testing and measurement techniques - Test for
immunity to conducted, common mode disturbances in the
frequency range 0 Hz to 150 kHz
(IEC 61000-4-16:2015)
Compatibilité électromagnétique (CEM) -  Elektromagnetische Verträglichkeit (EMV) -
Partie 4-16: Techniques d'essai et de mesure - Essai Teil 4-16: Prüf- und Messverfahren - Prüfung der
d'immunité aux perturbations conduites en mode commun Störfestigkeit gegen leitungsgeführte, asymmetrische
dans la plage de fréquences de 0 Hz à 150 kHz Störgrößen im Frequenzbereich von 0 Hz bis 150 kHz
(IEC 61000-4-16:2015) (IEC 61000-4-16:2015)
This European Standard was approved by CENELEC on 2016-01-13. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 61000-4-16:2016 E

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SIST EN 61000-4-16:2016
EN 61000-4-16:2016
European foreword
The text of document 77A/905/FDIS, future edition 2 of IEC 61000-4-16, prepared by SC 77A "Low
frequency phenomena” of IEC/TC 77 “Electromagnetic compatibility" was submitted to the
IEC-CENELEC parallel vote and approved by CENELEC as EN 61000-4-16:2016.

The following dates are fixed:
(dop) 2016-10-13
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2019-01-13
standards conflicting with the
document have to be withdrawn

This document supersedes EN 61000-4-16:1998.

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.

This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association.
Endorsement notice
The text of the International Standard IEC 61000-4-16:2015 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 61000-4-6 NOTE Harmonized as EN 61000-4-6.
IEC 61000-4-13 NOTE Harmonized as EN 61000-4-13.
IEC 61000-4-19 NOTE Harmonized as EN 61000-4-19.
IEC 60068-1 NOTE Harmonized as EN 60068-1.
IEC 61000-4 Series NOTE Harmonized as EN 61000-4 Series.
2

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SIST EN 61000-4-16:2016




IEC 61000-4-16

®


Edition 2.0 2015-12




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE
colour

inside



BASIC EMC PUBLICATION

PUBLICATION FONDAMENTALE EN CEM






Electromagnetic compatibility (EMC) –

Part 4-16: Testing and measurement techniques – Test for immunity to

conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz




Compatibilité électromagnétique (CEM) –

Partie 4-16: Techniques d’essai et de mesure – Essai d’immunité aux


perturbations conduites en mode commun dans la plage de fréquences de 0 Hz

à 150 kHz












INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 33.100.20 ISBN 978-2-8322-3036-7



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 61000-4-16:2016
– 2 – IEC 61000-4-16:2015 © IEC 2015
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 8
3 Terms and definitions. 8
4 General . 9
5 Test levels . 9
5.1 General . 9
5.2 Test levels at mains frequency . 10
5.3 Test levels in the frequency range 15 Hz-150 kHz . 10
6 Test equipment . 11
6.1 Test generators . 11
6.1.1 General . 11
6.1.2 Characteristics and performance of the generator for d.c. tests . 11
6.1.3 Characteristics and performance of the generator for tests at mains
2/3
frequency: 16 Hz, 50 Hz and 60 Hz . 12
6.1.4 Characteristics and performance of the generator for tests in the
frequency range 15 Hz to 150 kHz . 12
6.2 Verification of the characteristics of the test generators . 13
6.3 Coupling/decoupling networks . 13
6.3.1 General . 13
6.3.2 Coupling networks . 13
6.3.3 Decoupling devices . 14
7 Test set-up . 14
7.1 General . 14
7.2 Earthing connections . 15
7.3 Equipment under test . 15
7.4 Test generators . 15
7.5 Decoupling/isolation devices. 15
8 Test procedure . 15
8.1 General . 15
8.2 Laboratory reference conditions. 16
8.2.1 General . 16
8.2.2 Climatic conditions . 16
8.2.3 Electromagnetic conditions . 16
8.3 Execution of the test . 16
9 Evaluation of test results . 17
10 Test report . 18
Annex A (informative) Sources of disturbances and coupling mechanisms . 23
A.1 Sources of disturbances . 23
A.2 Coupling mechanisms . 23
Annex B (informative) Selection of test levels . 25
Bibliography . 26

Figure 1 – Example of equipment ports and configuration . 19

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SIST EN 61000-4-16:2016
IEC 61000-4-16:2015 © IEC 2015 – 3 –
Figure 2 – Profile of the test voltage . 19
Figure 3 – Example of the generator for d.c. and frequency voltage tests 15 Hz up to
150 kHz . 20

Figure 4 – Example of the generator for tests at mains frequency (16 Hz, 50 Hz and
60 Hz) . 20
Figure 5 – Schematic circuit of the coupling T network for communication ports and
other ports intended for connection to highly balanced pairs . 21
Figure 6 – Schematic circuit for type tests . 22

Table 1 – Levels for continuous disturbance . 10
Table 2 – Levels for short duration disturbance . 10
Table 3 – Test levels in the frequency range 15 Hz to 150 kHz. 11

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SIST EN 61000-4-16:2016
– 4 – IEC 61000-4-16:2015 © IEC 2015
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

ELECTROMAGNETIC COMPATIBILITY (EMC) –

Part 4-16: Testing and measurement techniques –
Test for immunity to conducted, common mode disturbances
in the frequency range 0 Hz to 150 kHz

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61000-4-16 has been prepared by subcommittee 77A: Low-
frequency phenomena, of IEC technical committee 77: Electromagnetic compatibility.
It forms part 4-16 of IEC 61000. It has the status of a basic EMC publication in accordance with
IEC Guide 107.
This second edition cancels and replaces the first edition published in 1998,
Amendment 1:2001 and Amendment 2:2009. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) clarification and complement of test generators' specifications and performances.

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SIST EN 61000-4-16:2016
IEC 61000-4-16:2015 © IEC 2015 – 5 –
The text of this standard is based on the following documents:
FDIS Report on voting
77A/905/FDIS 77A/917/RVD

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 61000 series, published under the general title Electromagnetic
compatibility (EMC), can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The “colour inside” logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this publication using a colour printer.

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SIST EN 61000-4-16:2016
– 6 – IEC 61000-4-16:2015 © IEC 2015
INTRODUCTION
This standard is part of the IEC 61000 series, according to the following structure:
Part 1: General
General considerations (introduction, fundamental principles)
Definitions, terminology
Part 2: Environment
Description of the environment
Classification of the environment
Compatibility levels
Part 3: Limits
Emission limits
Immunity limits (in so far as they do not fall under the responsibility of the product
committees)
Part 4: Testing and measurement techniques
Measurement techniques
Testing techniques
Part 5: Installation and mitigation guidelines
Installation guidelines
Mitigation methods and devices
Part 6: Generic standards
Part 9: Miscellaneous
Each part is further subdivided into several parts, published either as international standards or
as technical specifications or technical reports, some of which have already been published as
sections. Others will be published with the part number followed by a dash and a second
number identifying the subdivision (example: IEC 61000-6-1).
This part is an international standard which gives immunity requirements and test procedures
related to conducted, common mode disturbances in the range d.c. to 150 kHz.

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SIST EN 61000-4-16:2016
IEC 61000-4-16:2015 © IEC 2015 – 7 –
ELECTROMAGNETIC COMPATIBILITY (EMC) –

Part 4-16: Testing and measurement techniques –
Test for immunity to conducted, common mode disturbances
in the frequency range 0 Hz to 150 kHz



1 Scope
This part of IEC 61000 relates to the immunity requirements and test methods for electrical and
electronic equipment to conducted, common mode disturbances in the range d.c. to 150 kHz.
The object of this standard is to establish a common and reproducible basis for testing
electrical and electronic equipment with the application of common mode disturbances to
power supply, control, signal and communication ports.
This standard defines
• test voltage and current waveform;
• range of test levels;
• test equipment;
• test set-up;
• test procedures.
For some types of ports, for example ports intended to be used with highly balanced lines,
additional test provisions may be established by product committee specifications.
The test is intended to demonstrate the immunity of electrical and electronic equipment when
subjected to conducted, common mode disturbances such as those originating from power line
currents and return leakage currents in the earthing/grounding system.
The disturbances produced by 400 Hz mains systems are not included in the scope of this
standard.
Actual interference due to these disturbance phenomena is relatively rare, except in industrial
plants. Product committees should therefore consider whether there is a justification for
applying this standard in their product/product family standards (see also Clause 4).
This test is not relevant for equipment ports intended to be connected to short cables, having a
length less than 20 m or less.
The immunity to harmonics and interharmonics, including mains signalling, on a.c. power ports
(in differential mode) is not included in the scope of this standard and is covered by
IEC 61000-4-13 and IEC 61000-4-19.
The immunity to conducted disturbances generated by intentional radio-frequency transmitters
is not included in the scope of this standard and is covered by IEC 61000-4-6.

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SIST EN 61000-4-16:2016
– 8 – IEC 61000-4-16:2015 © IEC 2015
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
Void.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
NOTE Not all of the definitions given in Clause 3 are included in IEC 60050-161.
3.1
EUT
equipment under test
equipment (devices, appliances and systems) subjected to tests
Note 1 to entry: This note applies to the French language only.
3.2
auxiliary equipment
AE
equipment that is necessary for setting up all functions and assessing the correct performance
(operation) of the EUT during the test
3.3
port
particular interface of the specified equipment with the external electromagnetic environment
SEE: Figure 1.
3.4
coupling
interaction between circuits, transferring energy from one circuit to another
3.5
coupling network
electrical circuit for the purpose of transferring energy from one circuit to another
3.6
decoupling network
electrical circuit for the purpose of preventing test voltage applied to the equipment under test
from affecting other devices, equipment or systems which are not under test
3.7
immunity (to a disturbance)
ability of a device, equipment or system to perform without degradation in the presence of an
electromagnetic disturbance
[SOURCE: IEC 60050-161:1990, 161-01-20]
3.8
source impedance of the test generator
ratio between the open circuit voltage and the short circuit current, expressed as:

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SIST EN 61000-4-16:2016
IEC 61000-4-16:2015 © IEC 2015 – 9 –
V open circuit voltage / I short circuit current
oc sc
4 General
The conducted, common mode disturbances in the frequency range d.c. to 150 kHz may
influence the reliable operation of equipment and systems installed in residential areas,
industrial areas and electrical plants.
Only those ports of an EUT which are likely to be subjected to the disturbances dealt with by
this standard shall be considered for the application of its requirements.
The disturbances are typically generated by
• the power distribution system, with its fundamental frequency, significant harmonics and
interharmonics;
• power electronic equipment (e.g. power convertors), which may inject disturbances into the
ground conductors and earthing system (through stray capacitance or filters), or generate
disturbances in signal and control lines by induction.
At the mains frequency and harmonics of the mains frequency, the disturbances are usually
generated by the power distribution system (fault and leakage currents in the ground and
earthing systems).
At frequencies above the range of harmonics of the mains frequency (up to 150 kHz) the
disturbances are usually generated by power electronic equipment, which is often found in
industrial and electrical plants.
The coupling of the source of disturbances with the power supply, signal, control and
communication cables, transfer these disturbances to the ports of the equipment under test.
Because the coupling mechanisms defined above cannot be completely eliminated, it is
necessary for equipment to have adequate immunity to the disturbances.
Depending on the type of installation, the disturbances may be classified as follows:
2/3
a) voltage/current at power frequency: d.c., 16 Hz, 50 Hz and 60 Hz;
b) voltage/current in the frequency range 15 Hz to 150 kHz (including the harmonics of the
mains frequency).
This standard defines the test procedures for both the categories of disturbance defined above.
The applicability of the tests should be defined in the product standard.
Annex A contains more information on the phenomena.
5 Test levels
5.1 General
The preferred range of test levels, applicable to equipment ports as a function of the different
types and sources of disturbances, is given in 5.2 and 5.3.
2/3
The levels are given for the tests at the mains frequency (d.c., 16 Hz, 50 Hz and 60 Hz) and
in the frequency range 15 Hz to 150 kHz.
The applicability of each test shall be defined in the product standard.

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SIST EN 61000-4-16:2016
– 10 – IEC 61000-4-16:2015 © IEC 2015
The test voltage shall be applied in common mode to power supply, control, signal and
communication ports (the differential mode voltage is dependent on the circuit unbalance).
A guide for the selection of the test levels is given in Annex B.
5.2 Test levels at mains frequency
Tables 1 and 2 define the preferred test levels.
2/3
The levels apply to test voltage at d.c. and at the mains frequencies of 16 Hz, 50 Hz and
60 Hz.
Table 2 – Levels for short duration
Table 1 – Levels for continuous
disturbance disturbance
Level Open circuit test voltage Level Open circuit test voltage
V (r.m.s.) V (r.m.s.)
1 1 1 10
2 3 2 30
3 10 3 100
4 30 4 300
x Special x Special
NOTE x is an open level. This level may be defined in NOTE x is an open level. This level may be defined
the product standard. in the product standard.

For short duration disturbances, the normal duration for each applied disturbance is 1 s;
however, product standards may specify different durations for specific applications.
2/3
Hz, 50 Hz or
The test shall be carried out at one or more of the following frequencies: d.c., 16
60 Hz, according to the relevant mains frequency in the equipment location (see annex A); the
2/3
test at 16 Hz is therefore only applicable where the equipment is intended to be used in the
proximity of railway systems at this frequency.
The test level shall not exceed the test voltage defined in the product standard.
Information on the proposed test levels is given in Annex B.
5.3 Test levels in the frequency range 15 Hz-150 kHz
Table 3 defines the preferred test levels.

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SIST EN 61000-4-16:2016
IEC 61000-4-16:2015 © IEC 2015 – 11 –
Table 3 – Test levels in the frequency range 15 Hz to 150 kHz
Level Profile of the test voltage (open circuit)
V (r.m.s.)
15 Hz – 150 Hz 150 Hz – 1,5 kHz 1,5 kHz – 15 kHz 15 kHz – 150 kHz
1 1 – 0,1 0,1 0,1 – 1 1
2 3 – 0,3 0,3 0,3 – 3 3
3 10 – 1 1 1 – 10 10
4 30 – 3 3 3 – 30 30
x x x x x
NOTE 1 x is an open level. This level can be given in the product specification.
NOTE 2 The profile of the test voltage in relation to frequency (see Annex B for information) is as follows:
• starting from the frequency 15 Hz, the level decreases up to 150 Hz at 20 dB/decade;
• the level is constant from 150 Hz to 1,5 kHz;
• the level increases from 1,5 kHz to 15 kHz at 20 dB/decade;
• the level is constant from 15 kHz to 150 kHz.

The profile of the test voltage is represented in Figure 2.
No test level is defined below 15 Hz, excluding d.c., as tests in this frequency range are not
considered to be relevant.
6 Test equipment
6.1 Test generators
6.1.1 General
The features of the test generators for each specific test are given in 6.1.2, 6.1.3 and 6.1.4.
The generators shall have provisions to prevent the emission of disturbances which, if injected
in the power supply network, may influence the test results.
Information on the impedance of the test generators is given in Annex A.
6.1.2
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