BS EN 61557-7-2007 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 7.pdf
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1、BRITISH STANDARD BS EN 61557-7:2007 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 7: Phase sequence The European Standard EN 61557-7:2007 has the status of a British Standard ICS 17
2、.220.20; 29.080.01; 29.240.01 ? Licensed Copy: Wang Bin, na, Fri Sep 14 00:54:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 61557-7:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 June 2007 BSI 2007 ISBN 978 0 580 50857 8 Nation
3、al foreword This British Standard was published by BSI. It is the UK implementation of EN 61557-7:2007. It is identical with IEC 61557-7:2007. It supersedes BS EN 61557-7:1997, which will be withdrawn on 1 March 2010. The UK participation in its preparation was entrusted to Technical Committee PEL/8
4、5, Measuring equipment for electrical and electromagnetic quantities. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct appl
5、ication. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: Wang Bin, na, Fri Sep 14 00:54:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 61557-7 NORME EUROPENNE EUROPISCHE NOR
6、M March 2007 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2007 CENELEC - All rights of exploitation in any form and by any me
7、ans reserved worldwide for CENELEC members. Ref. No. EN 61557-7:2007 E ICS 17.220.20; 29.080.01; 29.240.01 Supersedes EN 61557-7:1997 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, measuring or monitoring of protecti
8、ve measures - Part 7: Phase sequence (IEC 61557-7:2007) 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 7: Ordre de phases (CEI 61557-7:2007) Elektrische Sicherheit
9、 in Niederspannungsnetzen bis AC 1000 V und DC 1500 V - Gerte zum Prfen, Messen oder berwachen von Schutzmanahmen - Teil 7: Drehfeld (IEC 61557-7:2007) This European Standard was approved by CENELEC on 2007-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which st
10、ipulate 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 application to the Central Secretariat or to any CENELEC member. This European Stan
11、dard 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 Central Secretariat has the same status as the official versions. CENELEC members are the natio
12、nal electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden
13、, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Fri Sep 14 00:54:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI Foreword The text of document 85/295/FDIS, future edition 2 of IEC 61557-7, prepared by IEC TC 85, Measuring equipment for electrical and electromagnetic quantities, was
14、submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61557-7 on 2007-03-01. This European Standard supersedes EN 61557-7:1997. This standard is to be used in conjunction with EN 61557-1. The following dates were fixed: latest date by which the EN has to be implemented at nati
15、onal level by publication of an identical national standard or by endorsement (dop) 2007-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-03-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC
16、 61557-7:2007 was approved by CENELEC as a European Standard without any modification. _ EN 61557-7:2007 2 Licensed Copy: Wang Bin, na, Fri Sep 14 00:54:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI CONTENTS 1 Scope.4 2 Normative references4 3 Terms and definitions .4 4 Requirements .4 5 Marking and
17、 operating instructions5 5.1 Marking .5 5.2 Operating instructions6 6 Tests6 Annex A (normative) Illustrations for mechanical tests8 Figure A.1 Mechanical shock test .8 Figure A.2 Drop test.8 Annex ZA (normative) Normative references to international publications with their corresponding European pu
18、blications9 EN 61557-7:2007 3 Licensed Copy: Wang Bin, na, Fri Sep 14 00:54:42 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 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 7: Phase sequ
19、ence 1 Scope This part of IEC 61557 specifies the requirements for measuring equipment applied to testing the phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible. This part of IEC 61557 does not apply to ancillary measuring eq
20、uipment for other quantities, for example voltage testers comprising an additional phase sequence indicator. It does not apply to monitoring relays. NOTE Phase lamps are not considered to be voltage testers. 2 Normative references The following referenced documents are indispensable for the applicat
21、ion of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60417, Graphical symbols for use on equipment IEC 61010-3-031, Safety requirements for electrical equipment for me
22、asurement, control, and laboratory use Part 3-031: Conformity verification report for IEC 61010-031:2002 Safety requirements for hand-held probe assemblies for electrical test and measurement IEC 61557-1, Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equip
23、ment for testing, measuring or monitoring of protective measures Part 1: General requirements 3 Terms and definitions For the purposes of this document, the definitions given in IEC 61557-1 apply. 4 Requirements The following requirements as well as those given in IEC 61557-1 shall apply. 4.1 Indica
24、tion shall be unambiguous between 85 % and 110 % of the nominal system voltage or within the range of the nominal voltage and between 95 % and 105 % of the nominal system frequency. 4.2 Indication shall also be unambiguously detectable in the presence of visual or audible interference. EN 61557-7:20
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