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BS EN 61557-9-2015 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 Equm.pdf

1、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 measuresPart 9: Equipment for insulation fault location in I T systems * 25.040.40; 29.080.01Compliance with a British Standard cannot confer immunit

2、y from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2015.Amendments/corrigenda issued since publicationDate Text affected31 March 2017 Implementation of IEC corrigendum January 2017EUROPEAN STANDARDNORME EUROP

3、ENNEEUROPISCHE NORMEN 61557-9 February 2015 ICS 25.040.40 Supersedes EN 61557-9:2009English 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 ormonitoring of protective measures - Part 9: Equipment forinsulation fault

4、 location in IT systems (IEC 61557-9:2014) Scurit lectrique dans les rseaux de distribution bassetension de 1 000 V c.a. et 1 500 V c.c - Dispositifs decontrle, de mesure ou de surveillance de mesures deprotection - Partie 9: Dispositifs de localisation de dfautsdisolement pour rseaux IT (IEC 61557-

5、9:2014) Elektrische Sicherheit in Niederspannungsnetzen bis AC 1000 V und DC 1 500 V - Gerte zum Prfen, Messen oder berwachen von Schutzmanahmen - Teil 9: Einrichtungen zur Isolationsfehlersuche in IT-Systemen(IEC 61557-9:2014) This European Standard was approved by CENELEC on 2015-01-15. CENELEC me

6、mbers 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 applicat

7、ion 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 translationunder the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC

8、 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

9、, 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 ElectrotechniqueEuropisches

10、 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 61557-9:2015 E EN 61557-9:2015 - 2 - Foreword The text of document 85/486/FD

11、IS, future edition 3 of IEC 61557-9, 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 61557-9:2015. The following dates are fixed: g120 latest date by which the document has to be im

12、plemented at national level by publication of an identical national standard or by endorsement (dop) 2015-10-15 g120 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-01-15 This document supersedes EN 61557-9:2009 Attention is drawn to the poss

13、ibility 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 withi

14、n Certain Voltage Limits (LVD). Endorsement notice The text of the International Standard IEC 61557-9:2014 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 60364-4

15、-41:2005 NOTE Harmonized as HD 60364-4-41:2007. IEC 60664-1 NOTE Harmonized as EN 60664-1. IEC 60664-3 NOTE Harmonized as EN 60664-3. IEC 60947-5-1:2003 NOTE Harmonized as EN 60947-5-1:2004. IEC 60947-5-4:2002 NOTE Harmonized as EN 60947-5-4:2003. IEC 61140 NOTE Harmonized as EN 61140. IEC 61810-2:2

16、011 NOTE Harmonized as EN 61810-2:2011. BS EN 61557-9:2015 2 BS EN 61557-9:2015EN 61557-9:2015- 3 - EN 61557-9:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively ref

17、erenced 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 1 When an International Publication has been modified by common mod

18、ifications, 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. Publication Year Title EN/HD Year IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold

19、EN 60068-2-1 - IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 - IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 - IEC 60068-2-27 - Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN

20、 60068-2-27 - IEC 60364-7-710 (mod) 2002 Electrical installations of buildings - Part 7-710: Requirements for special installations or locations - Medical locations HD 60364-7-710 2012 +AC 2013 IEC 60529 - Degrees of protection provided by enclosures (IP Code) - - IEC 60664 series Insulation coordin

21、ation for equipment within low-voltage systems EN 60664 series IEC 60721-3-1 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 1: Storage EN 60721-3-1 - IEC 60721-3-2 - Classification of environmental conditions

22、 - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation EN 60721-3-2 - IEC 60721-3-3 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use a

23、t weatherprotected locations EN 60721-3-3 - IEC 61010-1 2010 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

24、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 elect

25、rical test and measurement EN 61010-2-032 - BS EN 61557-9:2015 3 BS EN 61557-9:2015EN 61557-9:2015IEC 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 tes

26、t EN 61010-031 - IEC 61326-2-2 - Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-2: Particular requirements - Test configurations, operational conditions and performance criteria for portable test, measuring and monitoring equipment used in low-voltage di

27、stribution systems EN 61326-2-2 - IEC 61326-2-4 - Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-4: Particular requirements - Test configurations, operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8

28、and for equipment for insulation fault location according to IEC 61557-9 EN 61326-2-4 - 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

29、 61557-1 2007 IEC 61557-8 - 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 8: insulation monitoring devices for it systems EN 61557-8 - CISPR 11 - Industrial, scientific and medi

30、cal equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement EN 55011 - 4 BS EN 61557-9:2015EN 61557-9:2015BS EN 61557-9:2015IEC 61557-9:2014 IEC 2014 5 CONTENTS1 Scope 82 Normative references 83 Terms, definitions and abbreviations 93.1 Terms, definitions, symbols

31、 and units 93.2 Abbreviations . 114 Requirements 114.1 General requirements . 114.2 Mandatory functions provided by an IFLS .124.2.1 Location warning 124.2.2 Local location warning (LLW) 124.2.3 Remote location warning (RLW) .124.3 Optional functions provided by IFLS 124.3.1 Indication of the insula

32、tion value .124.3.2 Performance of the IFLS in case of the interruption of the connection to the locating current sensor (LCS) 134.4 Performance requirements 134.4.1 Response sensitivity .134.4.2 Locating current IL134.4.3 Locating voltage UL134.5 Electromagnetic compatibility (EMC) .134.6 Safety re

33、quirements .134.6.1 General 134.6.2 Clearances and creepage distances 134.6.3 Protection class and earth connection of the IFLS .144.7 Climatic environmental conditions .144.8 Mechanical requirements 144.8.1 General 144.8.2 Product mechanical robustness .144.8.3 IP protection class requirements .155

34、 Marking and operating instructions .165.1 Marking 165.2 Operating instructions .166 Tests .176.1 General 176.2 Type tests 176.2.1 General 176.2.2 Test of response sensitivity of the IFLS .176.2.3 Test of the locating current IL186.2.4 Test of the locating voltage UL206.2.5 Test of the location warn

35、ing 206.2.6 Test of the indication of the insulation value 206.2.7 Test of the performance of the LCI 206.2.8 Voltage test 206.2.9 Test of the electromagnetic compatibility (EMC) 206.2.10 Test of the loss of LCS connection 20BS EN 61557-9:2015IEC 61557-9:2014 IEC 2014 6 6.2.11 Test of the protection

36、 class and the earth connection of the IFLS .216.2.12 Inspection of the marking and operating instructions .216.2.13 Mechanical test 216.2.14 Record of the type test 216.3 Routine tests .216.3.1 General 216.3.2 Test of the response sensitivity 216.3.3 Test of the location warning 216.3.4 Test of the

37、 self-test function 216.3.5 Voltage test 226.3.6 Compliance with the tests of Clause 6 .227 Overview of requirements and tests for IFLSs 22Annex A (normative) Equipment for insulation fault location in medical locations 23A.1 Scope .23A.2 Requirements .23A.2.1 General 23A.2.2 Performance requirement

38、s 23A.2.3 Electromagnetic compatibility (EMC) .23A.3 Marking and operating instructions .23A.4 Tests 24A.4.1 General 24A.4.2 Type tests .24Annex B (normative) Portable equipment for insulation fault location 25B.1 Scope .25B.2 Requirements .25B.2.1 General 25B.2.2 Performance requirements 25B.3 Mark

39、ing and operating instructions .25B.4 Tests 25Annex C (informative) Example of an IFLS and explanation of upstream and downstream system leakage capacitances .27C.1 Examples of an IFLS 27C.2 Upstream and downstream system leakage capacitance .29Bibliography .30Figure 1 Test configuration: ILdriven d

40、irectly from the system to be monitored 19Figure 2 Test configuration: Independent locating voltage source with a locating voltage equal or below 50 V a.c. or 120 V d.c. .19Figure 3 Test configuration: Independent voltage source is used with a locating voltage above 50 V a.c. or 120 V d.c. 20Figure

41、C.1 Example of an IFLS 28Figure C.2 Explanation of upstream and downstream system leakage capacitance 29Table 1 Abbreviations 11Table 2 Product mechanical requirements .15Table 3 Minimum IP requirements for IFLS 16Table 4 Reference conditions for tests in operation 17BS EN 61557-9:2015IEC 61557-9:20

42、14 IEC 2014 7 Table 5 Reference conditions for storage tests 17Table 6 Requirements and tests on IFLSs 22Table A.1 Additional requirements applicable to equipment for insulation fault location in medical locations .24Table A.2 Emission test for equipment for insulation fault location in medical loca

43、tions .24IEC 61557-9:2014 IEC 2014 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 9: Equipment for insulation fault location in IT systems 1 Scope This part of IEC 61557 specifies the

44、requirements for the insulation fault location system (IFLS) which localizes insulation faults in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as in unearthed IT d.c. sy

45、stems with voltages up to 1 500 V d.c., independent of the measuring principle. IT systems are described in IEC 60364-4-41 amongst other literature. Additional data for a selection of devices in other standards should be noted. NOTE Further information on insulation fault location can be found in th

46、e following standards: IEC 60364-4-41:2005, 411.6, and IEC 60364-5-53:2001, 531.3. 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 und

47、ated references, the latest edition of the referenced document (including any amendments) applies. IEC 60068-2-1, Environmental testing Part 2-1: Tests Test A: Cold IEC 60068-2-2, Environmental testing Part 2-2: Tests Test B: Dry heat IEC 60068-2-6, Environmental testing Part 2-6: Tests Test Fc: Vib

48、ration (sinusoidal) IEC 60068-2-27, Environmental testing Part 2-27: Tests Test Ea and guidance: Shock IEC 60364-7-710:2002, Electrical installations of buildings Part 7-710: Requirements for special installations or locations Medical locations IEC 60529, Degree of protection provided by enclosures

49、(IP Code) IEC 60664 (all parts): Insulation coordination for equipment within low-voltage systems IEC 60721-3-1, Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 1: Storage IEC 60721-3-2, Classification of environmental conditions Part 3: Classification of groups of environmental parameters and their severities Section 2: Transportation IEC 60721-3-

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