1、BSI Standards PublicationElectrical 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 measuresPart 14: Equipment for testing the safety of electrical equipment of machineryBS EN 61557-14:2013National forewordTh
2、is British Standard is the UK implementation of EN 61557-14:2013. It isidentical to IEC 61557-14:2013.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/85, Measuring equipment for electrical and elec-tromagnetic quantities.A list of organizations represented on this com
3、mittee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013ISBN 978 0 580 70471 0ICS 17.220
4、.20; 29.080.01; 29.240.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2013.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STAND
5、ARDBS EN 61557-14:2013EUROPEAN STANDARD EN 61557-14 NORME EUROPENNE EUROPISCHE NORM June 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000
6、 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. - Equipme
7、nt for testing, measuring or monitoring of protective measures - Part 14: Equipment for testing the safety of electrical equipment of machinery (IEC 61557-14:2013) Scurit lectrique dans les rseaux de distribution basse tension de 1 000 V c.a. et 1 500 V c.c. - Dispositifs de contrle, de mesure ou de
8、 surveillance de mesures de protection - Partie 14: Dispositifs de contrle de la scurit des appareils lectriques sur machines (CEI 61557-14:2013) Elektrische Sicherheit in Niederspannungsnetzen bis AC 1 000 V und DC 1 500 V - Gerte zum Prfen, Messen oder berwachen von Schutzmanahmen - Teil 14: Gerte
9、 zum Prfen der Sicherheit der elektrischen Ausrstung 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 stat
10、us 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
11、, 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, B
12、elgium, 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, Swe
13、den, Switzerland, Turkey and the United Kingdom. BS EN 61557-14:2013EN 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
14、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
15、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
16、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,
17、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.
18、 IEC 61557-12 NOTE Harmonised as EN 61557-12. BS 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
19、 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)
20、, 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)
21、- 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 - Saf
22、ety 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: Pa
23、rticular 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 el
24、ectrical 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 safe
25、ty 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. -
26、 Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance EN 61557-3 2007 BS EN 61557-14:2013EN 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. - Equipm
27、ent 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
28、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
29、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: Ha
30、nd-held and hand-manipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems EN 61557-13 2011 BS EN 61557-14:2013 2 61557-14 IEC:2013 CONTENTS INTRODUCTION . 6 1 Scope . 7 2 Normative references . 7 3 Terms and definitions . 8 4 Requirements . 8 4.1
31、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 di
32、electric 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 protect
33、ion . 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 instruction
34、s . 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
35、 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 appli
36、cable) 15 BS EN 61557-14:201361557-14 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
37、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 con
38、struction requirements of test equipment 16 BS 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 s
39、hock 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. BS EN 61557-14:201361557-14 IEC:2013 7 ELECTRICAL SAFETY IN LOW VOLTAGE
40、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 use
41、d to determine the electrical safety of electrical equipment of machinery according to IEC 60204-1. 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
42、 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60204-1, Safety of machinery Electrical equipment of machines Part 1: General requirements IEC 60529, Degrees of protection provided by enclosures (IP Code) IEC 61000-4-8, Electrom
43、agnetic compatibility Part 4-8: Testing and measurement techniques Power frequency magnetic field immunity test IEC 61010-1:2010, Safety requirements for electrical equipment for measurement, control, and laboratory use Part 1: General requirements IEC 61010-031, Safety requirements for electrical e
44、quipment for measurement, control and laboratory use Part 031: Safety requirements for hand-held probe assemblies for electrical measurement and test IEC 61010-2-030, Safety requirements for electrical equipment for measurement, control, and laboratory use Part 2-030: Particular requirements for tes
45、ting and measuring circuits 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 IEC 61557-1:2007, Electrical safety in low
46、 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 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
47、 or monitoring of protective measures Part 2: Insulation resistance BS EN 61557-14:2013 8 61557-14 IEC:2013 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 i
48、mpedance 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 IEC 61557-6, Electrical safety in low voltage distrib
49、ution 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 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 measure
