IEC 60255-22-4:2008
(Main)Measuring relays and protection equipment - Part 22-4: Electrical disturbance tests - Electrical fast transient/burst immunity test
Measuring relays and protection equipment - Part 22-4: Electrical disturbance tests - Electrical fast transient/burst immunity test
IEC 60255-22-4:2008 specifies the general requirements for electrical fast transient immunity tests for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with these systems. Is based on IEC 61000-4-4. The objective of the tests is to confirm that the equipment under test will operate correctly when energized and subjected to repetitive fast transients (bursts) such as those originating from interrupting of inductive loads, relay contact bounce, etc. The main change with respect to the previous edition is the improvement of the test severity level regarding the repetition rate.
Relais de mesure et dispositifs de protection - Partie 22-4: Essais d'influence électrique - Essai d'immunité aux transitoires électriques rapides en salves
La CEI 60255-22-4:2008 spécifie les exigences générales pour les essais d'immunité aux transitoires électriques rapides des relais de mesure et dispositifs de protection, y compris les équipements de contrôle, de supervision et d'interface avec le processus utilisés avec ces systèmes. Est basée sur la CEI 61000-4-4. Le but de ces essais est d'obtenir la confirmation que l'équipement à l'essai opère correctement lorsqu'il est alimenté et soumis aux perturbations transitoires électriques rapides et répétitives telles que celles générées par l'interruption de charges inductives, rebondissements de contacts de relais, etc. La modification principale par rapport à l'édition précédente est l'amélioration du niveau de sévérité de l'essai en ce qui concerne la vitesse de répétition.
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IEC 60255-22-4
Edition 3.0 2008-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Measuring relays and protection equipment –
Part 22-4: Electrical disturbance tests – Electrical fast transient/burst immunity
test
Relais de mesure et dispositifs de protection –
Partie 22-4: Essais d'influence électrique – Essai d'immunité aux transitoires
électriques rapides en salves
IEC 60255-22-4-:2008
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IEC 60255-22-4
Edition 3.0 2008-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Measuring relays and protection equipment –
Part 22-4: Electrical disturbance tests – Electrical fast transient/burst immunity
test
Relais de mesure et dispositifs de protection –
Partie 22-4: Essais d'influence électrique – Essai d'immunité aux transitoires
électriques rapides en salves
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
M
CODE PRIX
ICS 29.120.70 ISBN 2-8318-9710-6
– 2 – 60255-22-4 © IEC:2008
CONTENTS
FOREWORD.3
1 Scope and object.5
2 Normative references .5
3 Terms and definitions .5
4 Test severity level .7
5 Test equipment.7
6 Test set-up .8
6.1 Test set-up using CDNs .8
6.2 Test set-up using the capacitive coupling clamp .8
7 Test procedure .9
8 Criteria for acceptance .9
9 Test report.9
Annex A (informative) Background information for fast transient/burst immunity test .12
Annex B (informative) Examples of environments for Class A and Class B test levels .13
Figure 1 – Ports tested in this standard for measuring relays and protection equipment.7
Figure 2 – Example of a test set-up using coupling/decoupling networks .10
Figure 3 – Example of a test set-up using a capacitive coupling clamp .11
Table 1 – Test voltages for the EUT ports .7
Table 2 – Criteria for acceptance .9
60255-22-4 © IEC:2008 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MEASURING RELAYS AND PROTECTION EQUIPMENT –
Part 22-4: Electrical disturbance tests –
Electrical fast transient/burst immunity test
FOREWORD
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International Standard IEC 60255-22-4 has been prepared by IEC technical committee 95:
Measuring relays and protection equipment.
This third edition cancels and replaces the second edition published in 2002. It constitutes a
technical revision.
The main change with respect to the previous edition is:
• the improvement of the test severity level regarding the repetition rate.
– 4 – 60255-22-4 © IEC:2008
The text of this part is based on the following documents:
FDIS Report on voting
95/228/FDIS 95/233/RVD
Full information on the voting for the approval of this standard can be found in the voting on
report indicated in the above table.
A list of all parts of IEC 60255 series, published under the general title Measuring relays and
protection equipment, can be found on the IEC website.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site 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.
60255-22-4 © IEC:2008 – 5 –
MEASURING RELAYS AND PROTECTION EQUIPMENT –
Part 22-4: Electrical disturbance tests –
Electrical fast transient/burst immunity test
1 Scope and object
This part of IEC 60255-22 is based on IEC 61000-4-4, referring to that publication where
applicable, and specifies the general requirements for electrical fast transient immunity tests
for measuring relays and protection equipment for power system protection, including the
control, monitoring and process interface equipment used with these systems.
The objective of the tests is to confirm that the equipment under test will operate correctly
when energized and subjected to repetitive fast transients (bursts) such as those originating
from interrupting of inductive loads, relay contact bounce, etc.
The requirements specified in this standard are applicable to measuring relays and protection
equipment in a new condition and all tests specified are type tests only.
The object of this standard is to state:
• definitions of terms used;
• test severity level;
• test equipment;
• test set-up;
• test procedures;
• criteria for acceptance;
• test report requirements.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition
of the referenced document (including any amendments) applies.
IEC 60050-161, International Electrotechnical Vocabulary – Chapter 161: Electromagnetic
compatibility
IEC 60255-6:1988, Electrical relays – Part 6: Measuring relays and protection equipment
IEC 61000-4-4:2004, Electromagnetic compatibility (EMC) – Part 4-4: Testing and
measurement techniques – Electrical fast transient/burst immunity test
3 Terms and definitions
For the purposes of this document the following terms and definitions apply.
3.1
EUT
equipment under test, which may be either a measuring relay or a protection equipment
– 6 – 60255-22-4 © IEC:2008
3.2
auxiliary equipment
equipment necessary to provide the EUT with the signals required for normal operation and
equipment to verify the performance of the EUT
3.3
burst
sequence of a limited number of distinct pulse
...
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