IEC 60519-11-2007 Safety in electroheat installations - Part 11 Particular requirements for installations using the effect of electromagnetic forces on liquid m.pdf

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1、 INTERNATIONAL STANDARD IECCEINORME INTERNATIONALE60519-11Second editionDeuxime dition2007-06Safety in electroheat installations Part 11: Particular requirements for installations using the effect of electromagnetic forces on liquid metals Scurit dans les installations lectrothermiques Partie 11: Ex

2、igences particulires pour les installations utilisant leffet des forces lectromagntiques sur les mtaux liquides Reference number Numro de rfrence IEC/CEI 60519-11:2007 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no

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15、itionDeuxime dition2007-06Safety in electroheat installations Part 11: Particular requirements for installations using the effect of electromagnetic forces on liquid metals Scurit dans les installations lectrothermiques Partie 11: Exigences particulires pour les installations utilisant leffet des fo

16、rces lectromagntiques sur les mtaux liquides P Commission Electrotechnique InternationaleInternational Electrotechnical Commission PRICE CODE CODE PRIX For price, see current cataloguePour prix, voir catalogue en vigueur 2 60519-11 IEC:2007 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references5 3 Ter

17、ms and definitions .6 4 Inductor 7 5 Capacitors 7 6 Mains-frequency power sources8 7 Solid-state frequency converters .8 8 Switchgear9 9 Cables, wires and busbars 9 10 Liquid cooling .10 11 Rating plate 10 12 Clearance and creepage distances .11 13 Protection against electric shock.11 13.1 Protectio

18、n against direct contact 11 13.1.1 Permissible touch voltage as a function of frequency11 13.1.2 Accessibility of electrical equipment .11 13.1.3 Accessible plugs and sockets.11 13.1.4 Special requirements for live conductors at voltage bands 2 and 3 .11 13.2 Protection against indirect contact .12

19、13.2.1 Permissible touch voltage as a function of duration and frequency12 13.2.2 Electrical insulation resistance .12 13.3 Special requirements .12 13.4 Earthing provisions 13 13.5 Protective conductors 13 14 Radio interferences.14 15 Operation instructions.14 Annex A (normative) Specific requireme

20、nts for electromagnetic pouring equipment 15 Annex B (normative) Specific requirements for electromagnetic equipment with lining.16 60519-11 IEC:2007 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SAFETY IN ELECTROHEAT INSTALLATIONS Part 11: Particular requirements for installations using the effect

21、of electromagnetic forces on liquid metals FOREWORD 1) The International Electrotechnical 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

22、questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publica

23、tion(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC

24、collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opin

25、ion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to e

26、nsure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently

27、 to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendere

28、d responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its

29、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 IEC Publication or any other

30、 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 IEC Publication may be the s

31、ubject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60519-11 has been prepared by IEC technical committee 27: Industrial electroheating equipment. This second edition cancels and replaces the first edition published in

32、1997 and constitutes a technical revision. The significant changes with respect to the previous edition are as follows: the latest editions of IEC 60519-1:2003 and IEC 60519-3:2005 have been taken into account; definitions have been brought into line with the second edition of IEC 60050-841:2004. Th

33、is standard is to be used in conjunction with IEC 60519-1:2003. It is intended to specify particular requirements for installations using the effect of electromagnetic forces on liquid metals. 4 60519-11 IEC:2007 The text of this standard is based on the following documents: FDIS Report on voting 27

34、/577/FDIS 27/585/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 accordance with the ISO/IEC Directives, Part 2. The list of all parts of the IEC 60519 series, under the gener

35、al title Safety in electroheat installations, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publi

36、cation. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 60519-11 IEC:2007 5 SAFETY IN ELECTROHEAT INSTALLATIONS Part 11: Particular requirements for installations using the effect of electromagnetic forces on liquid metals 1 Scope This part of

37、 IEC 60519 applies to installations predominantly using the effect of electromagnetic forces on liquid metals: installations for electromagnetic (induction) stirring or transport of liquid metals at low frequencies; installations that influence the pouring process by an electromagnetic field; parts

38、directly affected by the electromagnetic stirring, transport or pouring installation. Examples of application: stirring devices for casting machines, arc furnaces, ladles, etc.; transport of liquid metal for emptying or filling furnaces, launders or moulds; devices to transport liquid metal with sim

39、ultaneous proportioning of the transported quantity, for example, for filling diecasting machines; influencing the ingot surface or the pouring stream enhancing crystallization by means of an electromagnetic field during continuous casting; sealing of mechanical gaps of melt vessels, for example, in

40、 vertical galvanizing line. This standard consists of requirements common to installations using the effect of electromagnetic forces on liquid metals; specific requirements for electromagnetic pouring equipment (Annex A); specific requirements for electromagnetic equipment with lining (Annex B). NO

41、TE When applying IEC 60519-1 in conjunction with this standard, the terms “electroheat installation“ or “electroheat device“ should be replaced by the term “installation using the effect of electromagnetic forces on liquid metals“. 2 Normative references The following referenced documents are indisp

42、ensable for the application 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 60050-841:2004, International Electrotechnical Vocabulary Part 841: Industrial electroheat

43、 IEC 60110-1:1998, Power capacitors for induction heating installations Part 1: General 6 60519-11 IEC:2007 IEC 60143-1:2004, Series capacitors for power systems Part 1: General IEC 60364-4-41:2005, Low-voltage electrical installations Part 4-41: Protection for safety Protection against electric sho

44、ck IEC 60519-1:2003, Safety in electroheat installations Part 1: General requirements CISPR 11, Industrial, scientific and medical (ISM) radio-frequency equipment Electromagnetic disturbance characteristics Limits and methods of measurement 3 Terms and definitions For the purpose of this document, t

45、he terms and definitions given in IEC 60519-1 and IEC 60050-841 (some of which are repeated here), as well as the following apply. 3.1 installation using the effect of electromagnetic forces on liquid metals installation composed of the inductor and the electric and mechanical equipment used to exer

46、cise an intended effect of electromagnetic forces on liquid metals 3.2 electromagnetic stirring of liquid metals procedure to achieve stirring motion in liquid metals by using an electromagnetic field IEV 841-27-24, modified 3.3 electromagnetic transport of liquid metals procedure to move liquid met

47、als in a defined direction using an electromagnetic field IEV 841-27-25, modified 3.4 electromagnetic casting of liquid metals procedure to shape the liquid metal stream or to influence its surface quality after pouring by the use of an electromagnetic field IEV 841-27-26 3.5 enhancing crystallizati

48、on of liquid metal in electromagnetic fields procedure to shape a form and structure of metal crystals in an electromagnetic field IEV 841-27-27 3.6 inductor part of an installation (for example, coil(s) using the effect of electromagnetic forces on liquid metals which produces the electromagnetic f

49、ield to yield the required electrodynamic force NOTE Inductor is defined in IEV 841-27-47, but for the purpose of this standard this more specific definition is needed. 60519-11 IEC:2007 7 4 Inductor 4.1 Inductors with high power ratings may be equipped with yokes (coil flux guides) to guide the magnetic flux outside the induction coil(s)