IEC 61557-14-2013 Electrical safety in low voltage distribution systems up to 1000 V a.c and 1500 V d.c - Equipment for testing measuring or monitoring of protective measures - Par.pdf

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1、 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 equipmen

2、t of machinery 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 14: Dispositifs de contrle de la scurit des appareils lectriques sur machines IEC 61557-14:2013 THIS PUBL

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17、ERNATIONALE 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 Scurit lectrique dans les rseaux de distribution ba

18、sse 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 14: Dispositifs de contrle de la scurit des appareils lectriques sur machines INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE Q ICS 17

19、.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 dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attentio

20、n! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 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 Gene

21、ral . 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

22、 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 Bat

23、tery 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 Tes

24、ts 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 Variati

25、on 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 61557-14 IEC:2013 3 6.3.11 Variations due to touch c

26、urrent 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 requireme

27、nts 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 4 61557-14 IEC:2013 INTERNATIONAL ELE

28、CTROTECHNICAL 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 Electrot

29、echnical 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

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37、l 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

38、 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

39、 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 t

40、his 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. 61557-14 IEC:2013 5 This publication has been drafted in accordance with

41、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

42、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 b

43、y a revised edition, or amended. 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

44、 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. 61557-14 IEC:2013 7 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 000 V AC AND 1 500 V

45、 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 electrical safety of electrica

46、l 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 applies. For undated references, the latest edit

47、ion 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, Electromagnetic compatibility Part 4-8: Testing and measu

48、rement 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 equipment for measurement, control and laboratory

49、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 testing and measuring circuits IEC 61010-2-032, Safety requirements for electrical equipment for measurement, control, and laboratory use Part 2-032: Pa