1、 IEC 61557-16 Edition 1.0 2014-12 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 16: Equipment for testing the effectiveness of the protec
2、tive measures of electrical equipment and/or medical electrical equipment 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 surveillance de mesures de protection Partie 16: quipement pour les essais de bon fonctionn
3、ement des mesures de protection de lquipement lectrique et/ou de lquipement mdical lectrique IEC 61557-16:2014-12(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or u
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21、ORME 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 16: Equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical elect
22、rical equipment 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 surveillance de mesures de protection Partie 16: quipement pour les essais de bon fonctionnement des mesures de protection de lquipement lectrique et
23、/ou de lquipement mdical lectrique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE R ICS 17.220.20; 29.080.01 PRICE CODE CODE PRIX ISBN 978-2-8322-1979-9 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrote
24、chnique 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 agr. 2 IEC 61557-16:2014 IEC 2014 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative refe
25、rences 7 3 Terms and definitions 8 4 Requirements 9 4.1 Measurement requirements for measuring equipment . 9 4.1.1 General . 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 prote
26、ctive conductor current and/or equipment leakage current with the alternative method 10 4.1.5 Measurement of touch current, 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 wit
27、h the direct method or differential method (residual method) . 11 4.1.7 Measurement of touch current, patient leakage 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 ca
28、pability 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 protection . 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 Electromagne
29、tic compatibility (EMC) . 13 4.2.12 Accessories . 13 5 Markings and operating instructions 13 5.1 Markings . 13 5.2 Operating 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
30、.3.3 Variation due to temperature . 16 6.3.4 Variation due to harmonics 16 6.3.5 Variations due to external low frequency magnetic field . 16 6.3.6 Variations due to load current 16 IEC 61557-16:2014 IEC 2014 3 6.3.7 Variations due to touch current caused by common mode voltage (if applicable) . 16
31、6.3.8 Variations due to frequency of measured leakage current with direct method or differential method 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
32、equipment . 17 Annex A (normative) Measuring circuit MD 18 A.1 Current measuring circuit MD 18 A.2 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
33、19 Table 1 Determination of operating uncertainty 15 Table 2 Compliance tests of measuring circuits according to measuring function 17 Table 3 Compliance test of construction requirements of test and measuring equipment . 17 4 IEC 61557-16:2014 IEC 2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ EL
34、ECTRICAL 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 electrical equipment FOREWO
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45、hat 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 61557-16 has been prepared by IEC technical committee 85: Measuring equipment for electrical and electroma
46、gnetic quantities. The text of this standard is based on the following documents: FDIS Report on voting 85/487/FDIS 85/504/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. This publication has been drafted in acco
47、rdance with the ISO/IEC Directives, Part 2. IEC 61557-16:2014 IEC 2014 5 This part of IEC 61557 shall be used in conjunction with Part 1. A list of all 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
48、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 relate
49、d to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 IEC 61557-16:2014 IEC 2014 INTRODUCTION This part of IEC 61557 defines performance requirements for measuring equipment using measuring methods described in IEC 62353, especially for evaluation of leakage currents within electrical equipment. It is the intention o
