IEC 61000-2-2:2002/AMD2:2018

IEC 61000-2-2 ®
Edition 2.0 2018-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BA SIC EMC PUBLICATION
P UBLICATION FONDAMENTALE EN CEM

AMENDMENT 2
AMENDEMENT 2
Electromagnetic compatibility (EMC) –
Part 2-2: Environment – Compatibility levels for lowfrequency conducted
disturbances and signalling in public low-voltage power supply systems

Compatibilité électromagnétique (CEM) –
Partie 2-2: Environnement – Niveaux de compatibilité pour les perturbations
conduites à basse fréquence et la transmission des signaux sur les réseaux
publics d’alimentation basse tension

IEC 61000-2-2:2002-03/AMD2:2018-05(en-fr)

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IEC 61000-2-2 ®
Edition 2.0 2018-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BA SIC EMC PUBLICATION
P UBLICATION FONDAMENTALE EN CEM

AMENDMENT 2
AMENDEMENT 2
Electromagnetic compatibility (EMC) –

Part 2-2: Environment – Compatibility levels for lowfrequency conducted

disturbances and signalling in public low-voltage power supply systems

Compatibilité électromagnétique (CEM) –

Partie 2-2: Environnement – Niveaux de compatibilité pour les perturbations

conduites à basse fréquence et la transmission des signaux sur les réseaux

publics d’alimentation basse tension

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.100.01 ISBN 978-2-8322-5656-5

– 2 – IEC 61000-2-2:2002/AMD2:2018
© IEC 2018
FOREWORD
This amendment has been prepared by subcommittee 77A: EMC – Low frequency
phenomena, of IEC technical committee 77: Electromagnetic compatibility.
The text of this amendment is based on the following documents:
CDV Report on voting
77A/980/CDV 77A/992/RVC
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base 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• withdrawn,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.
_____________
1 Scope and object
Renumber the existing note, as modified by Amendment 1, into NOTE 1.
After the existing note, add the following new note:
NOTE 2 The measurement methods of disturbance levels are outside the scope of this document.

4.2 Voltage fluctuations and flicker
Add, after Figure 1, the following new text:
In some cases, it is necessary to use the numerical values for points on the curves in
Figure 1. These values are given in Table E.1.

4.12.3 Frequency range from 30 kHz to 150 kHz
Replace the existing text, as modified by Amendment 1, with the following new text and Table:
The compatibility levels for voltage distortion in differential mode from 30 kHz to 150 kHz are
given in Table 4.
© IEC 2018
Table 4 – Compatibility levels for voltage distortion
a
in differential mode from 30 kHz to 150 kHz
Frequency range Compatibility levels
kHz dB(µV)
b c
30 to 50 122 to 119
b c
50 to 150 113 to 89
a
For EMC coordination in the setting of emission limits for unsymmetrical voltage
distortion, see 4.12.1.
b
At the transition frequency, the lower level applies.
c
The level decreases linearly with the logarithm of the frequency in the ranges
30 kHz to 50 kHz and 50 kHz to 150 kHz.

Annex D has been prepared in order to provide the basis for the definition of compatibility
levels in the frequency range from 30 kHz to 150 kHz.
Add the following new Annexes D and E:

– 4 – IEC 61000-2-2:2002/AMD2:2018
© IEC 2018
Annex D
(informative)
Basis for the definition of the compatibility levels for voltage
distortion in differential mode from 30 kHz to 150 kHz
D.1 General
A number of electromagnetic interference cases due to disturbances in the frequency range
from 2 kHz to 150 kHz have been collected by IEC and CENELEC. Consequently, it was
decided to start the maintenance of IEC 61000-2-2 mainly to define compatibility levels in this
frequency range, from which associated emission limits and immunity requirements can be
derived.
D.2 Compatibility levels
The compatibility levels for voltage distortion in differential mode from 30 kHz to 150 kHz are
reference levels for coordination in the setting of emission limits and immunity levels, in order
to improve EMC (including long-term degradation) for equipment such as MCSs, static
electricity meters, clocks, filter capacitors, etc, supplied by public low voltage power supply
systems, against disturbances generated by equipment such as switching power converters,
switch mode power supplies, photovoltaic inverters, etc. Several additional parameters other
than the disturbance level can have an impact on EMC in this frequency range, such as
impedance behaviour of the mains and attenuation effects, global voltage spectrum and time
behaviour of conducted emissions, as well as the expected amount of equipment supplied by
public low voltage power supply systems (see the note in 4.12.1).
In particular, MCSs cannot work properly when the levels of disturbance are too high. Today,
in 2017, emission limits for the frequency range from 30 kHz to 150 kHz are defined only for a
few types of equipment. When defining emission limits in this range, CISPR 15 limits should
be considered, when possible. Their use would allow a better design of the
...