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 16: Equipment for testing theeffectiveness of the protective measures of electrical equipment and/or medical el
2、ectrical equipmentBS EN 61557-16:2015National forewordThis British Standard is the UK implementation of EN 61557-16:2015. It isidentical to IEC 61557-16:2014.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/85, Measuring equipment for electrical and elec-tromagnetic qu
3、antities.A list of organizations represented on this committee 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 2015.Published by BSI
4、 Standards Limited 2015ISBN 978 0 580 78883 3ICS 17.220.20; 29.080.01Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 28 February 2015.Amendments/corrigenda issued
5、since publicationDate Text affectedBRITISH STANDARDBS EN 61557-16:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61557-16 January 2015 ICS 17.220.20; 29.080.01 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,
6、 measuring or monitoring of protective measures - Part 16: Equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical electrical equipment (IEC 61557-16:2014) Scurit lectrique dans les rseaux de distribution basse tension de 1 000 V c.a. et 1 500 V c.c.
7、 - Dispositifs de contrle, de mesure ou de surveillance de mesures de protection - Partie 16: quipement pour les essais de bon fonctionnement des mesures de protection de lquipement lectrique et/ou de lquipement mdical lectrique (IEC 61557-16:2014) Elektrische Sicherheit in Niederspannungsnetzen bis
8、 AC 1 000 V und DC 1 500 V - Gerte zum Prfen, Messen oder berwachen von Schutzmanahmen - Teil 16: Gerte zur Prfung der Wirksamkeit der Schutzmassnahmen von elektrischen Gerten und/oder medizinisch elektrischen Gerten (IEC 61557-16:2014) This European Standard was approved by CENELEC on 2015-01-15. C
9、ENELEC 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 o
10、n 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
11、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, Hung
12、ary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechniq
13、ue Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61557-16:2015 E BS EN 61557-16:2015EN 61557-16:2015 - 2 - Fore
14、word The text of document 85/487/FDIS, future edition 1 of IEC 61557-16, 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 61557-16:2015. The following dates are fixed: latest date by
15、 which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-10-15 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-01-15 Attention is drawn to the possibility that s
16、ome 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 Volt
17、age Limits (LVD - 2006/95/EC). Endorsement notice The text of the International Standard IEC 61557-16:2014 was approved by CENELEC as a European Standard without any modification. BS EN 61557-16:2015- 3 - EN 61557-16:2015 Annex ZA (normative) Normative references to international publications with t
18、heir 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 (i
19、ncluding any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu
20、Publication Year Title EN/HD Year IEC 60529 - Degrees of protection provided by enclosures (IP Code) EN 60529 - 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 - Safety requir
21、ements for electrical equipment for measurement, control and laboratory use - Part 1: General requirements EN 61010-1 - IEC 61010-031 - Safety requirements for electrical equipment for measurement, control and laboratory use - Part 031: Safety requirements for hand-held probe assemblies for electric
22、al measurement and test EN 61010-031 - 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 f
23、or 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 61326-1 - Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 1: Genera
24、l requirements EN 61326-1 - BS EN 61557-16:2015EN 61557-16:2015 - 4 - Publication Year Title EN/HD Year IEC 61326-2-2 - Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-2: Particular requirements - Test configurations, operational conditions and performanc
25、e criteria for portable test, measuring and monitoring equipment used in low-voltage distribution systems EN 61326-2-2 - 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
26、- 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 61557-4 2007 Electrical safe
27、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 4: Resistance of earth connection and equipotential bonding EN 61557-4 2007 IEC 61557-10 - Electrical safety in low voltage distribution systems u
28、p 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
29、 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 IEC 62353 - Medical electrical equipment -
30、 Recurrent test and test after repair of medical electrical equipment EN 62353 - BS EN 61557-16:2015 2 IEC 61557-16:2014 IEC 2014 CONTENTS INTRODUCTION . 6 1 Scope 7 2 Normative references 7 3 Terms and definitions 8 4 Requirements 9 4.1 Measurement requirements for measuring equipment . 9 4.1.1 Gen
31、eral . 9 4.1.2 Measurement of the resistance of the protective bonding or the protective earth resistance . 9 4.1.3 Measurement of insulation resistance 10 4.1.4 Measurement of protective conductor current and/or equipment leakage current with the alternative method 10 4.1.5 Measurement of touch cur
32、rent, patient leakage current and applied part leakage current with the alternative method . 10 4.1.6 Measurement of protective conductor current and or equipment leakage current with the direct method or differential method (residual method) . 11 4.1.7 Measurement of touch current, patient leakage
33、current and applied part leakage current with the direct method or differential method (residual method) . 11 4.2 Construction requirements for testing equipment 12 4.2.1 Overload capability 12 4.2.2 Terminals 12 4.2.3 Sockets for service purposes . 12 4.2.4 Degree of protection 12 4.2.5 Class of pr
34、otection . 12 4.2.6 Resistance of protective bonding . 12 4.2.7 Battery control . 12 4.2.8 Mechanical requirements . 13 4.2.9 Pollution degree 13 4.2.10 Safety 13 4.2.11 Electromagnetic compatibility (EMC) . 13 4.2.12 Accessories . 13 5 Markings and operating instructions 13 5.1 Markings . 13 5.2 Op
35、erating instructions . 14 6 Tests . 14 6.1 General . 14 6.2 Operating uncertainty 14 6.3 Variations . 16 6.3.1 Variation due to position 16 6.3.2 Variation due to supply voltage 16 6.3.3 Variation due to temperature . 16 6.3.4 Variation due to harmonics 16 6.3.5 Variations due to external low freque
36、ncy magnetic field . 16 6.3.6 Variations due to load current 16 BS EN 61557-16:2015IEC 61557-16:2014 IEC 2014 3 6.3.7 Variations due to touch current caused by common mode voltage (if applicable) . 16 6.3.8 Variations due to frequency of measured leakage current with direct method or differential me
37、thod 17 6.3.9 Variations due to repeated clamping (if applicable) 17 6.4 Tests of measuring circuits according to measuring functions . 17 6.5 Test of construction requirements of test and measurement equipment . 17 Annex A (normative) Measuring circuit MD 18 A.1 Current measuring circuit MD 18 A.2
38、Frequency characteristic of current measuring circuit MD . 18 Figure A.1 Example of a current measuring circuit MD . 18 Figure A.2 Example of a frequency characteristic of current measuring circuit MD 19 Table 1 Determination of operating uncertainty 15 Table 2 Compliance tests of measuring circuits
39、 according to measuring function 17 Table 3 Compliance test of construction requirements of test and measuring equipment . 17 BS EN 61557-16:2015 6 IEC 61557-16:2014 IEC 2014 INTRODUCTION This part of IEC 61557 defines performance requirements for measuring equipment using measuring methods describe
40、d in IEC 62353, especially for evaluation of leakage currents within electrical equipment. It is the intention of this standard to achieve comparable measuring results, additional safety for the testing person and negligible electrical stress for the unit under test. BS EN 61557-16:2015IEC 61557-16:
41、2014 IEC 2014 7 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 16: Equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical electrica
42、l equipment 1 Scope This part of IEC 61557 defines performance requirements for test and measurement equipment to determine the effectiveness of the protective measures of electrical measures for electrical equipment and/or medical electrical equipment described in IEC 62353. 2 Normative references
43、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. IEC 605
44、29, 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 IEC 61010-1, Safety requirements for electrical equipment for measurement, control, and laboratory u
45、se Part 1: General requirements 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 IEC 61010-2-030, Safety requirements for electrical equipment for m
46、easurement, control, and laboratory use Part 2-030: Particular requirements for testing 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 sens
47、ors for electrical test and measurement IEC 61326-1, Electrical equipment for measurement, control and laboratory use EMC requirements Part 1: General requirements IEC 61326-2-2, Electrical equipment for measurement, control and laboratory use EMC requirements Part 2-2: Particular requirements Test
48、configurations, operational conditions and performance criteria for portable test, measuring and monitoring equipment used in low-voltage distribution systems 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
49、or monitoring of protective measures Part 1: General requirements BS EN 61557-16:2015 8 IEC 61557-16:2014 IEC 2014 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 IEC 61557-4:2007, Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measur
