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 14: Equipment for testing the safety of electrical equipment of machinery (IEC 61557-14:2013)

This part of IEC 61557 defines special requirements for test and measurement equipment used to determine the electrical safety of electrical equipment of machinery according to IEC 60204-1.

Elektrische Sicherheit in Niederspannungsnetzen bis AC 1 000 V und DC 1 500 V - Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen - Teil 14: Geräte zum Prüfen der Sicherheit der elektrischen Ausrüstung von Maschinen (IEC 61557-14:2013)

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 14: Dispositifs de contrôle de la sécurité des appareils électriques sur machines (CEI 61557-14:2013)

La CEI 61557-14:2013 définit les exigences particulières applicables aux dispositifs de contrôle et de mesure destinés à déterminer la sécurité électrique des appareils électriques sur machines conformément à la CEI 60204-1. La CEI 61010 et les parties existantes de la série CEI 61557 ne couvrent pas tous les aspects de sécurité liés aux essais des appareils électriques sur machines. La CEI 61557-14 fournit des informations supplémentaires de protection contre les chocs électriques destinées à la personne effectuant les essais ou à toute personne présente, au cours d'essais à haute tension et dans le cas d'une mauvaise utilisation du dispositif d'essai. Elle définit les exigences de performances pour chaque fonction de mesure et d'essai afin de garantir l'obtention de résultats comparables.

Električna varnost v nizkonapetostnih razdelilnih sistemih za izmenične napetosti do 1 kV in enosmerne napetosti do 1,5 kV - Oprema za preskušanje, merjenje ali nadzorovanje zaščitnih ukrepov - 14. del: Oprema za preskušanje varnosti električne opreme strojev (IEC 61557-14:2013)

Ta del IEC 61557 določa posebne zahteve za opremo za preskušanje in merjenje, ki se uporablja za določevanje električne varnosti električne opreme strojev v skladu s IEC 60204-1.

General Information

Status
Published
Publication Date
11-Jul-2013
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
02-Jul-2013
Due Date
06-Sep-2013
Completion Date
12-Jul-2013

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.DUQRVWLElektrische Sicherheit in Niederspannungsnetzen bis AC 1 000 V und DC 1 500 V -

Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen - Teil 14: Geräte zum Prüfen der Sicherheit der elektrischen Ausrüstung von Maschinen (IEC 61557-14:2013)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 14: Equipment for testing the safety of electrical equipment of machinery (IEC 61557-14:2013)29.240.01Power transmission and distribution networks in general29.080.01VSORãQRElectrical insulation in general17.220.20Measurement of electrical and magnetic quantitiesICS:Ta slovenski standard je istoveten z:EN 61557-14:2013SIST EN 61557-14:2013en01-september-2013SIST EN 61557-14:2013SLOVENSKI

STANDARD
SIST EN 61557-14:2013
EUROPEAN STANDARD EN 61557-14 NORME EUROPÉENNE
EUROPÄISCHE NORM June 2013

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

Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2013 CENELEC -

All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 61557-14:2013 E
ICS 17.220.20; 29.080.01; 29.240.01
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 14: Equipment for testing the safety of electrical equipment of machinery (IEC 61557-14:2013)

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 14: Dispositifs de contrôle de la sécurité des appareils électriques sur machines (CEI 61557-14:2013)

Elektrische Sicherheit in Niederspannungsnetzen

bis AC 1 000 V und DC 1 500 V - Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen -

Teil 14: Geräte zum Prüfen der Sicherheit der elektrischen Ausrüstung von Maschinen (IEC 61557-14:2013)

This European Standard was approved by CENELEC on 2013-05-16. 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. SIST EN 61557-14:2013

EN 61557-14:2013 - 2 -

Foreword The text of document 85/446/FDIS, future edition 1 of IEC 61557-14, prepared by IEC/TC 85 "Measuring equipment for electrical and electromagnetic quantities" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61557-14:2013. The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-02-16 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-05-16

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 standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC).

Endorsement notice The text of the International Standard IEC 61557-14:2013 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 61557-5 NOTE

Harmonised as EN 61557-5. IEC 61557-7 NOTE
Harmonised as EN 61557-7. IEC 61557-8 NOTE
Harmonised as EN 61557-8. IEC 61557-9 NOTE
Harmonised as EN 61557-9. IEC 61557-11 NOTE
Harmonised as EN 61557-11. IEC 61557-12 NOTE
Harmonised as EN 61557-12.
SIST EN 61557-14:2013
- 3 - EN 61557-14:2013
Annex ZA
(normative)

Normative references to international publications with their corresponding European publications

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.

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 60204-1 - Safety of machinery - Electrical equipment of machines -
Part 1: General requirements EN 60204-1
IEC 60529 - Degrees of protection provided by enclosures (IP Code) - -
IEC 61000-4-8 - Electromagnetic compatibility (EMC) -

Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test EN 61000-4-8 -

IEC 61010-1 + corr. May

2010 2011 Safety requirements for electrical equipment for measurement, control and laboratory use -

Part 1: General requirements EN 61010-1 2010
IEC 61010-2-030

- Safety requirements for electrical equipment for measurement, control and laboratory use -

Part 2-030: Particular requirements for testing and measuring circuits EN 61010-2-030 -

IEC 61010-2-032 - Safety requirements for electrical equipment for measurement, control, and laboratory use -

Part 2-032: Particular requirements for hand-held and hand-manipulated current sensors for electrical test and measurement EN 61010-2-032 -

IEC 61010-031 - Safety requirements for electrical equipment for measurement, control and laboratory use -

Part 031: Safety requirements for hand-held probe assemblies for electrical measurement and test EN 61010-031 -

IEC 61557-1 2007 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 1: General requirements EN 61557-1 2007

IEC 61557-2 - 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 2: Insulation resistance EN 61557-2 -

IEC 61557-3 2007 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 3: Loop impedance EN 61557-3 2007
SIST EN 61557-14:2013
EN 61557-14:2013 - 4 -

Publication Year Title EN/HD Year IEC 61557-4 - 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 4: Resistance of earth connection and equipotential bonding EN 61557-4 -

IEC 61557-6 - 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 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems EN 61557-6 -

IEC 61557-10 - 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 10: Combined measuring equipment for testing, measuring or monitoring of protective measures EN 61557-10 -

IEC 61557-13 2011 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 13: Hand-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems EN 61557-13 2011

SIST EN 61557-14:2013

IEC 61557-14 Edition 1.0 2013-04 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 14: Equipment for testing the safety of electrical equipment of machinery

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 14: Dispositifs de contrôle de la sécurité des appareils électriques sur machines

INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE Q ICS 17.220.20; 29.080.01; 29.240.01 PRICE CODE CODE PRIX ISBN 978-2-83220-694-2

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

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. SIST EN 61557-14:2013

– 2 – 61557-14 © IEC:2013 CONTENTS FOREWORD ........................................................................................................................... 4 INTRODUCTION ..................................................................................................................... 6 1 Scope ............................................................................................................................... 7 2 Normative references ....................................................................................................... 7 3 Terms and definitions ....................................................................................................... 8 4 Requirements ................................................................................................................... 8 4.1 General requirements .............................................................................................. 8 4.2 Measuring quantities ............................................................................................... 8 4.2.1 General ....................................................................................................... 8 4.2.2 Measurement of resistance of protective bonding ........................................ 9 4.2.3 Measurement of loop resistance .................................................................. 9 4.2.4 Measurement of insulation resistance .......................................................... 9 4.2.5 Testing of the effectiveness of protective measures with RCD ..................... 9 4.2.6 Testing of dielectric strength ........................................................................ 9 4.2.7 Measurement of residual voltage ............................................................... 10 4.2.8 Measurement of leakage current ................................................................ 10 4.3 Construction requirements for testing equipment ................................................... 10 4.3.1 Overload capability .................................................................................... 10 4.3.2 Terminals .................................................................................................. 10 4.3.3 Sockets for service purposes ..................................................................... 10 4.3.4 Degree of protection .................................................................................. 10 4.3.5 Class of protection ..................................................................................... 11 4.3.6 Resistance of protective bonding ............................................................... 11 4.3.7 Battery control ........................................................................................... 11 4.3.8 Mechanical requirements ........................................................................... 11 4.3.9 Pollution degree ........................................................................................ 11 4.3.10 Overvoltage and measurement categories ................................................. 11 4.3.11 Electromagnetic compatibility (EMC) ......................................................... 11 4.3.12 Accessories ............................................................................................... 11 5 Markings and operating instructions ............................................................................... 11 5.1 Markings ............................................................................................................... 11 5.2 Operating instructions ........................................................................................... 12 6 Tests .............................................................................................................................. 12 6.1 General ................................................................................................................. 12 6.2 Operating uncertainty ............................................................................................ 12 6.3 Variations .............................................................................................................. 14 6.3.1 Variation due to position ............................................................................ 14 6.3.2 Variation due to supply voltage .................................................................. 14 6.3.3 Variation due to temperature ..................................................................... 14 6.3.4 Variation due to phase angle of loop impedance ........................................ 14 6.3.5 Variation due to system frequency ............................................................. 14 6.3.6 Variation due to system voltage ................................................................. 14 6.3.7 Variation due to harmonics ........................................................................ 14 6.3.8 Variation due to d.c. quantities .................................................................. 15 6.3.9 Variations due to external low frequency magnetic field (if applicable) ....... 15 6.3.10 Variations due to load current (if applicable) .............................................. 15 SIST EN 61557-14:2013

61557-14 © IEC:2013 – 3 – 6.3.11 Variations due to touch current caused by common mode voltage (if applicable) ................................................................................................. 15 6.3.12 Variations due to frequency of measured current (if applicable) ................. 15 6.3.13 Variations due to repeated clamping (if applicable) .................................... 15 6.4 Tests of measuring equipment according to measuring functions........................... 15 6.5 Test of construction requirements of test equipment .............................................. 16 Bibliography .......................................................................................................................... 17

Table 1 – Test voltages ........................................................................................................... 9 Table 2 – Determination of operating uncertainty .................................................................. 13 Table 3 – Compliance tests of measuring equipment according to measuring function .......... 16 Table 4 – Test of construction requirements of test equipment .............................................. 16

SIST EN 61557-14:2013
– 4 – 61557-14 © IEC:2013 INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________
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 14: Equipment for testing the safety of
electrical equipment of machinery

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 61557-14 has been prepared by IEC technical committee 85: Measuring equipment for electrical and electromagnetic quantities. The text of this standard is based on the following documents: FDIS Report on voting 85/446/FDIS 85/450/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. SIST EN 61557-14:2013

61557-14 © IEC:2013 – 5 – This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the parts in the IEC 61557 series, published under the general title 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, 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 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.
SIST EN 61557-14:2013

– 6 – 61557-14 © IEC:2013 INTRODUCTION IEC 61010 and the existing parts of series IEC 61557 do not cover all safety aspects of testing electrical equipment of machinery. This part of IEC 61557 provides additional protection against electric shock for the testing person and bystanders during high-voltage-tests and in case of unintended use of the test equipment. It defines performance requirements for each measuring and testing function to ensure comparable results. SIST EN 61557-14:2013

61557-14 © IEC:2013 – 7 – 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 14: Equipment for testing the safety of
electrical equipment of machinery

1 Scope This part of IEC 61557 defines special requirements for test and measurement equipment used to determine the el

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