Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems

IEC 61557-9:2009 specifies the requirements for insulation fault location systems which localize insulation faults in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as in unearthed IT d.c. systems with voltages up to 1 500 V d.c., independent of the measuring principle. This second edition cancels and replaces the first edition published in 1999. It is a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - scope, normative references and terms and definitions complemented; - revision of requirements, marking and operating instructions and Clause 6; - revision of Table 1; - addition of Annexes A, B and C.

Elektrische Sicherheit in Niederspannungsnetzen bis AC 1 000 V und DC 1 500 V - Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen - Teil 9: Einrichtungen zur Isolationsfehlersuche in IT-Systemen

Sécurité électrique dans les réseaux de distribution basse tension de 1 000 V c.a. et 1 500 V c.c. - Dispositifs de contrôle, de mesure ou de surveillance de mesures de protection - Partie 9: Dispositifs de localisation de défauts d'isolement pour réseaux IT

La CEI 61557-9:2009 définit les exigences particulières applicables aux dispositifs de localisation de défauts d'isolement qui, indépendamment du principe de mesure, peuvent localiser les défauts d'isolement des parties de réseaux IT c.a. non mis à la terre et des réseaux IT c.a. non mis à la terre comprenant des circuits à courant continu reliés galvaniquement dont les tensions nominales sont égales ou inférieures à 1 000 V c.a., ainsi que dans des réseaux IT c.c. non mis à la terre dont les tensions nominales sont égales ou inférieures à 1 500 V c.c. Cette deuxième édition annule et remplace la première édition parue en 1999. Elle constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: - le domaine d'application, les références normatives et les termes et définitions ont été complétés; - les exigences, le marquage et les instructions de fonctionnement et l'Article 6 ont été révisés; - le Tableau 1 a été révisé; - les Annexes A, B et C ont été ajoutées.

Električna varnost v nizkonapetostnih razdelilnih sistemih izmenične napetosti do 1 kV in enosmerne napetosti do 1,5 kV - Oprema za preskušanje, merjenje ali nadzorovanje zaščitnih ukrepov - 9. del: Oprema za ugotavljanje mesta izolacijske okvare v sistemih IT (IEC 61557-9:2009)

General Information

Status
Withdrawn
Publication Date
17-Mar-2009
Withdrawal Date
31-Jan-2012
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
15-Jan-2018
Completion Date
15-Jan-2018

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SLOVENSKI STANDARD
01-junij-2009
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SIST EN 61557-9:2000
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Electrical safety in low voltage distribution systems up to 1 000 V ac and 1 500 V dc -
Equipment for testing, measuring or monitoring of protective measures -- Part 9:
Equipment for insulation fault location in IT systems
Elektrische Sicherheit in Niederspannungsnetzen bis AC 1000 V und DC 1500 V -
Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen – Teil 9:
Einrichtungen zur Isolationsfehlersuche in IT-Systemen
Sécurité électrique dans les réseaux de distribution basse tension de 1 000 V c.a. et 1
500 V cc - Dispositifs de contrôle, de mesure ou de surveillance de mesures de
protection -- Partie 9 : Dispositifs de focalisation de défauts d'isolement pour réseaux IT
Ta slovenski standard je istoveten z: EN 61557-9:2009
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
29.080.01 (OHNWULþQDL]RODFLMDQD Electrical insulation in
VSORãQR general
29.240.01 2PUHåMD]DSUHQRVLQ Power transmission and
GLVWULEXFLMRHOHNWULþQHHQHUJLMH distribution networks in
QDVSORãQR general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61557-9
NORME EUROPÉENNE
March 2009
EUROPÄISCHE NORM
ICS 25.040.40 Supersedes EN 61557-9:1999

English version
Electrical safety in low voltage distribution systems
up to 1 000 V a.c. and 1 500 V d.c. -
Equipment for testing, measuring or monitoring of protective measures -
Part 9: Equipment for insulation fault location in IT systems
(IEC 61557-9:2009)
Sécurité électrique dans les réseaux Elektrische Sicherheit
de distribution basse tension in Niederspannungsnetzen
de 1 000 V c.a. et 1 500 V c.c. - bis AC 1 000 V und DC 1 500 V -
Dispositifs de contrôle, de mesure ou Geräte zum Prüfen, Messen oder
de surveillance de mesures de protection - Überwachen von Schutzmaßnahmen -
Partie 9: Dispositifs de localisation Teil 9: Einrichtungen zur
de défauts d'isolement pour réseaux IT Isolationsfehlersuche in IT-Systemen
(CEI 61557-9:2009) (IEC 61557-9:2009)

This European Standard was approved by CENELEC on 2009-02-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: avenue Marnix 17, B - 1000 Brussels

© 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61557-9:2009 E
Foreword
The text of document 85/337/FDIS, future edition 2 of IEC 61557-9, prepared by IEC TC 85, Measuring
equipment for electrical and electromagnetic quantities, was submitted to the IEC-CENELEC parallel vote
and was approved by CENELEC as EN 61557-9 on 2009-02-01.
This European Standard supersedes EN 61557-9:1999.
– scope complemented;
– normative references complemented;
– terms and definitions of Clause 3 complemented;
– revision of requirements;
– revision of marking and operating instructions;
– revision of Clause 6 “Tests”;
– revision of Table 1;
– addition of Annex A;
– addition of Annex B;
– addition of Annex C.
This standard is to be used in conjunction with EN 61557-1:2007.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2009-11-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2012-02-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61557-9:2009 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 60364-5-53 NOTE  Clause 534 (in IEC/A1:2002) harmonized as HD 60364-5-534:2008 (modified).
IEC 60947-5-1 NOTE  Harmonized as EN 60947-5-1:2004 (not modified).
IEC 60947-5-4 NOTE  Harmonized as EN 60947-5-4:2003 (not modified).
IEC 61810-2 NOTE  Harmonized as EN 61810-2:2005 (not modified).
__________
- 3 - EN 61557-9:2009
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

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.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60364-4-41 2005 Low-voltage electrical installations - HD 60364-4-41 2007
(mod) Part 4-41: Protection for safety - Protection + corr. July 2007
against electric shock
1) 2)
IEC 60664-1 - Insulation coordination for equipment within EN 60664-1 2007
low-voltage systems -
Part 1: Principles, requirements and tests

1) 2)
IEC 60664-3 - Insulation coordination for equipment within EN 60664-3 2003
low-voltage systems -
Part 3: Use of coating, potting or moulding for
protection against pollution
1) 2)
IEC 60721-3-1 - Classification of environmental conditions - EN 60721-3-1 1997
Part 3: Classification of groups of
environmental parameters and their
severities -
Section 1: Storage
1) 2)
IEC 60721-3-2 - Classification of environmental conditions - EN 60721-3-2 1997
Part 3: Classification of groups of
environmental parameters and their
severities -
Section 2: Transportation
1) 2)
IEC 60721-3-3 - Classification of environmental conditions - EN 60721-3-3 1995
Part 3: Classification of groups of
environmental parameters and their
severities -
Section 3: Stationary use at weatherprotected
locations
2)
IEC 61010-1 2001 Safety requirements for electrical EN 61010-1 2001
equipment for measurement, control, and + corr. June 2002
laboratory use -
Part 1: General requirements
1) 2)
IEC 61326-2-4 - Electrical equipment for measurement, EN 61326-2-4 2006
control and laboratory use -
EMC requirements -
Part 2-4: Particular requirements - Test
configurations, operational conditions and
performance criteria for insulation monitoring
devices according to IEC 61557-8 and for
equipment for insulation fault location
according to IEC 61557-9
1)
Undated reference.
2)
Valid edition at date of issue.

Publication Year Title EN/HD Year

IEC 61557-1 2007 Electrical safety in low voltage distribution EN 61557-1 2007
systems up to 1 000 V a.c. and 1 500 V d.c. -
Equipment for testing, measuring or
monitoring of protective measures -
Part 1: General requirements
IEC 61557-8 2007 Electrical safety in low voltage distribution
+ corr. May 2007 systems up to 1 000 V a.c. and 1 500 V d.c. - EN 61557-8 2007
Equipment for testing, measuring or
monitoring of protective measures -
Part 8: Insulation monitoring devices for IT
systems
IEC 61557-9 ®
Edition 2.0 2009-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and
1 500 V d.c. – Equipment for testing, measuring or monitoring of protective
measures –
Part 9: Equipment for insulation fault location in IT systems

Sécurité électrique dans les réseaux de distribution basse tension de
1 000 V c.a. et 1 500 V c.c – Dispositifs de contrôle, de mesure ou de surveillance
de mesures de protection –
Partie 9: Dispositifs de localisation de défauts d'isolement pour réseaux IT

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
S
CODE PRIX
ICS 25.040.40 ISBN 2-8318-1023-7
– 2 – 61557-9 © IEC:2009
CONTENTS
FOREWORD.4
1 Scope.6
2 Normative references .6
3 Terms and definitions .7
4 Requirements .8
4.1 Equipment for insulation fault location .8
4.2 Response sensitivity.8
4.3 Warning device .8
4.4 Locating current I .8
L
4.5 Locating voltage U .9
L
4.6 Indication of the insulation value .9
4.7 PE connection .9
4.8 Clearances and creepage distances .9
4.9 Electromagnetic compatibility (EMC) .9
4.10 Additional requirements.9
5 Marking and operating instructions .10
5.1 Marking .10
5.2 Operating instructions .11
6 Tests .11
6.1 Type test .12
6.1.1 Response sensitivity of the insulation fault location system .12
6.1.2 Locating current I .12
L
6.1.3 Locating voltage U .13
L
6.1.4 Warning device.13
6.1.5 Equipment for indication of the insulation value .13
6.1.6 Locating current injector .13
6.1.7 Dielectric test .13
6.1.8 Electromagnetic compatibility (EMC) .13
6.1.9 Loss of locating current sensor connection .13
6.1.10 Additional requirements .13
6.1.11 Marking and operating instructions .13
6.1.12 Record of the type test .13
6.2 Routine tests .13
6.2.1 General .13
6.2.2 Response sensitivity.13
6.2.3 Warning device.14
6.2.4 Self-test function .14
6.2.5 Dielectric test .14
6.2.6 Marking and operating instructions .14
Annex A (normative) Equipment for insulation fault location in medical locations .15
Annex B (norma
...

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