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 9: Equipment for insulation fault location in IT systemsBS EN 61557-9:2015National forewordThis British Standar
2、d is the UK implementation of EN 61557-9:2015. It is identical to IEC 61557-9:2014. It supersedes BS EN 61557-9:2009 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/85, Measuring equipment for electrical andelectromagnetic quantities.A list of organ
3、izations 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 Standards Limited 2015I
4、SBN 978 0 580 81263 7ICS 17.220.20; 25.040.40; 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 since publica
5、tionDate Text affectedBRITISH STANDARDBS EN 61557-9:2015EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 61557-9 February 2015 ICS 25.040.40 Supersedes EN 61557-9:2009 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 ormonitoring of protective measures - Part 9: Equipment forinsulation fault 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 -
7、 Partie 9: Dispositifs de localisation de dfautsdisolement pour rseaux IT (IEC 61557-9:2014) 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 6
8、1557-9:2014) This European Standard was approved by CENELEC on 2015-01-15. CENELEC 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 bibl
9、iographical 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, German). A version in any other language made by translationunder the res
10、ponsibility 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, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finl
11、and, 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, Sweden, Switzerland,Turkey and the United Kingdom. European Committee for Electr
12、otechnical Standardization Comit Europen de Normalisation ElectrotechniqueEuropisches 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
13、. No. EN 61557-9:2015 E EN 61557-9:2015 - 2 - Foreword The text of document 85/486/FDIS, 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 61557-9:201
14、5. 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) 2015-10-15 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-01
15、-15 This document supersedes EN 61557-9:2009 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 Elemen
16、ts of the Safety Objectives for Electrical Equipment Designed for Use within 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, th
17、e following notes have to be added for the standards indicated: IEC 60364-4-41:2005 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
18、 as EN 60947-5-4:2003. IEC 61140 NOTE Harmonized as EN 61140. IEC 61810-2:2011 NOTE Harmonized as EN 61810-2:2011. BS EN 61557-9:2015- 3 - EN 61557-9:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, i
19、n 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. NOTE 1 When an International Publ
20、ication 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. Publication Year Title EN/HD Year IEC 60068-2-1 - Environmental te
21、sting - Part 2-1: Tests - Test A: Cold 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:
22、 Tests - Test Ea and guidance: Shock EN 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)
23、- - IEC 60664 series Insulation coordination 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 - Cla
24、ssification of environmental conditions - 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 s
25、everities - Section 3: Stationary use at 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 f
26、or 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: Particular requirements for hand-held and han
27、d-manipulated current sensors for electrical test and measurement EN 61010-2-032 - BS EN 61557-9:2015EN 61557-9:2015 - 4 - IEC 61010-031 - Safety requirements for electrical equipment for measurement, control and laboratory use - Part 031: Safety requirements for hand-held probe assemblies for elect
28、rical measurement and test 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 equipme
29、nt used in low-voltage distribution 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
30、according to IEC 61557-8 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
31、: General requirements EN 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 - Indust
32、rial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement EN 55011 - BS EN 61557-9:2015 2 IEC 61557-9:2014 IEC 2014 CONTENTS 1 Scope 7 2 Normative references 7 3 Terms, definitions and abbreviations . 8 3.1 Terms, definitions, symbols an
33、d units . 8 3.2 Abbreviations 10 4 Requirements 10 4.1 General requirements . 10 4.2 Mandatory functions provided by an IFLS . 11 Location warning . 11 4.2.1Local location warning (LLW) . 11 4.2.2Remote location warning (RLW). 11 4.2.34.3 Optional functions provided by IFLS 12 Indication of the insu
34、lation value 12 4.3.1Performance of the IFLS in case of the interruption of the connection to 4.3.2the locating current sensor (LCS) 12 4.4 Performance requirements 12 Response sensitivity 12 4.4.1Locating current IL12 4.4.2Locating voltage UL. 12 4.4.34.5 Electromagnetic compatibility (EMC) . 12 4.
35、6 Safety requirements 12 General . 12 4.6.1Clearances and creepage distances 12 4.6.2Protection class and earth connection of the IFLS . 13 4.6.34.7 Climatic environmental conditions . 13 4.8 Mechanical requirements 13 General . 13 4.8.1Product mechanical robustness . 13 4.8.2IP protection class req
36、uirements 14 4.8.35 Marking and operating instructions 15 5.1 Marking . 15 5.2 Operating instructions . 15 6 Tests . 16 6.1 General . 16 6.2 Type tests . 16 General . 16 6.2.1Test of response sensitivity of the IFLS . 16 6.2.2Test of the locating current IL17 6.2.3Test of the locating voltage UL17 6
37、.2.4Test of the location warning . 17 6.2.5Test of the indication of the insulation value 17 6.2.6Test of the performance of the LCI 17 6.2.7Voltage test . 17 6.2.8Test of the electromagnetic compatibility (EMC) 18 6.2.9Test of the loss of LCS connection 18 6.2.10BS EN 61557-9:2015IEC 61557-9:2014 I
38、EC 2014 3 Test of the protection class and the earth connection of the IFLS 18 6.2.11Inspection of the marking and operating instructions 18 6.2.12Mechanical test . 18 6.2.13Record of the type test 18 6.2.146.3 Routine tests. 18 General . 18 6.3.1Test of the response sensitivity 18 6.3.2Test of the
39、location warning . 19 6.3.3Test of the self-test function 19 6.3.4Voltage test . 19 6.3.5Compliance with the tests of Clause 6 . 19 6.3.67 Overview of requirements and tests for IFLSs 19 Annex A (normative) Equipment for insulation fault location in medical locations . 20 A.1 Scope . 20 A.2 Requirem
40、ents . 20 A.2.1 General . 20 A.2.2 Performance requirements . 20 A.2.3 Electromagnetic compatibility (EMC) . 20 A.3 Marking and operating instructions 20 A.4 Tests 21 A.4.1 General . 21 A.4.2 Type tests 21 Annex B (normative) Portable equipment for insulation fault location . 22 B.1 Scope . 22 B.2 R
41、equirements . 22 B.2.1 General . 22 B.2.2 Performance requirements . 22 B.3 Marking and operating instructions 22 B.4 Tests 22 Annex C (informative) Example of an IFLS and explanation of upstream and downstream system leakage capacitances 24 C.1 Examples of an IFLS . 24 C.2 Upstream and downstream s
42、ystem leakage capacitance . 26 Bibliography 27 Figure C.1 Example of an IFLS 25 Figure C.2 Explanation of upstream and downstream system leakage capacitance . 26 Table 1 Abbreviations 10 Table 2 Product mechanical requirements 14 Table 3 Minimum IP requirements for IFLS 15 Table 4 Reference conditio
43、ns for tests in operation 16 Table 5 Reference conditions for storage tests 16 Table 6 Requirements and tests on IFLSs 19 BS EN 61557-9:2015 4 IEC 61557-9:2014 IEC 2014 Table A.1 Additional requirements applicable to equipment for insulation fault location in medical locations . 21 Table A.2 Emissio
44、n test for equipment for insulation fault location in medical locations . 21 BS EN 61557-9:2015IEC 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
45、 insulation fault location in IT systems 1 Scope This part of IEC 61557 specifies the 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. c
46、ircuits having nominal voltages up to 1 000 V a.c., as well as in unearthed IT d.c. systems 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 sho
47、uld be noted. NOTE Further information on insulation fault location can be found in the 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 indispensa
48、ble 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 60068-2-1, Environmental testing Part 2-1: Tests Test A: Cold IEC 60068-2-2, Environmental testing Part 2-2: Te
49、sts Test B: Dry heat IEC 60068-2-6, Environmental testing Part 2-6: Tests Test Fc: Vibration (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 (IP Code) IEC 60664 (all parts): Insulation coordination
