1、 IEC 60519-4 Edition 4.0 2013-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Safety in electroheating installations Part 4: Particular requirements for arc furnace installations Scurit dans les installations lectrothermiques Partie 4: Exigences particulires pour les installations de fours arc IEC605
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16、STANDARD NORME INTERNATIONALE Safety in electroheating installations Part 4: Particular requirements for arc furnace installations Scurit dans les installations lectrothermiques Partie 4: Exigences particulires pour les installations de fours arc INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION
17、ELECTROTECHNIQUE INTERNATIONALE T ICS 25.180.10 PRICE CODE CODE PRIX ISBN 978-2-83220-873-1 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 dis
18、tributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 60519-4 IEC:2013 CONTENTS FOREWORD . 3 1 Scope and object 5 2 Normative references . 5 3 Terms and definitions . 5 4 Classification of electroheating equipment 7 5 General requirements . 7 6
19、Isolation and switching . 8 7 Connections to the electrical supply network and internal connections . 10 8 Protection against electric shock 10 9 Equipotential bonding . 11 10 Control circuits and control functions 11 11 Protection against thermal influences . 11 12 Protection against other hazards
20、11 13 Marking, labelling and technical documentation 11 14 Commissioning, inspection, operation and maintenance . 11 Annex A (normative) Protection against electric shock special measures 14 Annex AA (normative) Systems to assure improved safety for personnel working in the vicinity of electrodes an
21、d other live parts of secondary circuit . 15 Annex BB (normative) Additional requirements for the safety of non-electrical components of furnace installations 18 Annex CC (normative) Additional requirements for safety with respect to design of an installation 20 Bibliography 23 Figure AA.1 Arc furna
22、ce supply with HV furnace switch (or HV furnace breaker) in open position and HV disconnector in open position . 15 Figure AA.2 Arc furnace supply with HV furnace switch (or HV furnace breaker) in open position and HV earthing switch in closed position . 15 Figure AA.3 Arc furnace supply with buck-b
23、oost transformer or intermediate circuit transformer . 16 Figure AA.4 DC furnace supply with HV furnace switch (or HV furnace breaker) in open position and HV disconnector in open position . 17 Figure AA.5 DC furnace supply with HV furnace switch (or HV furnace breaker) in closed position, valve fir
24、ing pulses stopped and LV disconnector switch in open position . 17 60519-4 IEC:2013 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ SAFETY IN ELECTROHEATING INSTALLATIONS Part 4: Particular requirements for arc furnace installations FOREWORD 1) The International Electrotechnical Commission (IEC) is a
25、 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 this end and in addition to ot
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31、lication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC i
32、s not responsible for any services carried out by independent certification bodies. 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 te
33、chnical 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 I
34、EC 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 sub
35、ject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60519-4 has been prepared by IEC technical committee 27: Industrial electroheating and electromagnetic processing. This fourth edition cancels and replaces the third edi
36、tion published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: The structure has been amended and adjusted to IEC 60519-1:2010; The classification (Clause 4) has been adapted to details wi
37、th respect to secondary voltage in electric arc furnace installations; All provisions have been redrafted and the text is more concise with respect to EAF; Annexes AA, BB and CC have been restructured, with respect to details concerning high voltage designs and non-electrical issues, however to be a
38、ware of in those installations. 4 60519-4 IEC:2013 The text of this standard is based on the following documents: FDIS Report on voting 27/904/FDIS 27/928/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 publ
39、ication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all the parts of IEC 60519 series, under the general title Safety in electroheating installations, can be found on the IEC website. The clauses of parts of the IEC 60519 series (hereinafter called Particular Requir
40、ements) supplement or modify the corresponding clauses of IEC 60519-1:2010 (General requirements hereinafter called Part 1). This part of IEC 60519 is to be read in conjunction with Part 1. It supplements or modifies the corresponding clauses of Part 1. Where the text indicates an “addition“ to or a
41、 “replacement“ of the relevant provision of Part 1, these changes are made to the relevant text of Part 1. Where no change is necessary, the words “This clause of Part 1 is applicable“ are used. When a particular subclause of Part 1 is not mentioned in this part, that subclause applies as far as is
42、reasonable. Additional specific provisions to those in Part 1, given as individual clauses or subclauses, are numbered starting from 101. NOTE The following numbering system is used: subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1; unless notes ar
43、e in a new subclause or involve notes in Part 1, they are numbered starting from 101, including those in a replaced clause or subclause; additional annexes are lettered AA, BB, etc. The committee has decided that the contents of this publication will remain unchanged until the stability date indicat
44、ed 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 by a revised edition, or amended. 60519-4 IEC:2013 5 SAFETY IN ELECTROHEATING INSTALLATIONS Part 4: Particular requirements for
45、 arc furnace installations 1 Scope and object This clause of Part 1 is replaced by the following. Replacement: This part of IEC 60519 provides particular safety requirements for electric arc furnace installations and its operating and maintenance personnel. These safety provisions concern the protec
46、tion of persons and the environment against dangers of electrical origin and also against certain dangers of non-electrical origin. This standard is applicable to electroheating installations such as: a) Furnaces for direct arc heating, forming arcs between the electrode and metal such as the electr
47、ic arc furnace using alternating current (EAFac) or direct current (EAFdc), and ladle furnace (LF); b) Furnaces for arc-resistance heating forming arcs between the electrode and the charge material or heating the charge material by the Joule effect, such as the submerged arc furnace using alternatin
48、g current (SAFac), or direct current (SAFdc). NOTE For purposes of this document abbreviation EAF is used for all kinds of electric arc furnace installations. 2 Normative references This clause of Part 1 is applicable with the following additions. Additions: IEC 60519-1:2010, Safety in electroheatin
49、g installations Part 1: General requirements IEC/TS 60479-1, Effects of current on human beings and livestock Part 1: General aspects IEC 60676, Industrial electroheating equipment Test methods for direct arc furnaces IEC 60683, Industrial electroheating equipment Test methods for submerged-arc furnaces 3 Terms and definitions This clause of Part 1 is applicable with the following additions. Additions: NOTE 101 General
