BS-7685-1993 IEC-60676-1980.pdf
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1、BRITISH STANDARD BS 7685:1993 IEC 676:1980 Test methods for direct arc furnaces (Implementation of CENELEC HD 598 S1) UDC 621.783.2:620.1 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:43:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7685:1993 This Britis
2、h Standard, having been prepared under the direction of the Power Electrical Engineering Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 September 1993 BSI 10-1999 The following BSI references relate to the work on this standard: Commi
3、ttee reference PEL/87 Draft for comment 91/27240 DC ISBN 0 580 22510 0 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Power Electrical Engineering Standards Policy Committee (PEL/-) to Technical Committee PEL/87, upon which the followin
4、g bodies were represented: Association of Manufacturers Allied to the Electrical and Electronic Industry (BEAMA Ltd.) British Glass Manufacturers Confederation British Industrial Furnace Constructors Association British National Committee for Electroheat British Steel plc Electric Trace Heating Indu
5、stry Council (ETHIC) Electricity Association Energy Industries Council Engineering Equipment and Materials Users Association Engineering Industries Association Health and Safety Executive Induction and Dielectric Heating Manufacturers Association Institution of Electrical Engineers Lighting Industry
6、 Federation Ltd. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:43:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7685:1993 BSI 10-1999i Contents Page Committees responsibleInside front cover Nationa
7、l forewordii Foreword2 Text of HD 598 S13 National annex NA (informative) Cross-referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:43:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7685:1993 ii BSI 10-1999 National foreword This Bri
8、tish Standard has been prepared under the direction of the Power Electrical Engineering Standards Policy Committee and is the English language implementation of CENELEC HD 598 S1 Test methods for direct arc furnaces. It is identical to IEC 676:1980, published by the International Electrotechnical Co
9、mmission (IEC). The graphics signs, symbols and letters used may be found in the following documents. BS 3939, Graphic symbols for electrical power, telecommunications and electronics diagrams Part 1:1986 General information, general index Part 2: 1985 Symbol elements, qualifying symbols and other s
10、ymbols having general applications Part 3:1985 Conductors and connecting devices. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself
11、 confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the HD title page, pages 2 to 14, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporate
12、d. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:43:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI HARMONIZATION DOCUMENT DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT HD 598 S1 Janua
13、ry 1992 UDC 621.783.2:620.1 Descriptors: Test, electric arc furnace, direct arc English version Test methods for direct arc furnaces (IEC 676:1980) Mthodes dessai des fours arc direct (CEI 676:1980) Prfverfahren fr Lichtbogen-Schmelzfen (IEC 676:1980) This Harmonization Document was approved by CENE
14、LEC on 1991-12-10. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical references concerning such national implementation may be obtain
15、ed on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Irelan
16、d, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35
17、, B-1050 Brussels 1992 Copyright reserved to CENELEC members Ref. No. HD 598 S1:1992 E Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:43:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7685:1993 2 BSI 10-1999 Foreword The CENELEC questionnaire procedure, pe
18、rformed for finding out whether or not the International Standard IEC 676:1980 could be accepted without textual changes, has shown that no CENELEC common modifications were necessary for the acceptance as Harmonization Document. The reference document was submitted to the CENELEC members for formal
19、 vote and was approved by CENELEC as HD 598 S1 on 10 December 1991. The following dates were fixed: For products which have complied with the relevant national standard before 1992-12-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for produc
20、tion until 1997-12-01. Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Contents Page Foreword2 1Scope3 2Object3 3Definitions3 4Type of tests and general conditions of their performance6 5Principal recommendations on technical tests7 Annex
21、 ZA (normative) Other international publications quoted in this standard with the references of the relevant European publications14 Figure 1 Wiring diagram for measurement of the resistance and reactance of the heavy-current line13 latest date of announcement of the HD at national level (doa) 1992-
22、06-01 latest date of publication of a harmonized national standard (dop) 1992-12-01 latest date of withdrawal of conflicting national standards (dow) 1992-12-01 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:43:13 GMT+00:00 2006, Uncontrolled Copy, (c) BSI B
23、S 7685:1993 BSI 10-19993 1 Scope This standard applies to industrial three-phase direct arc furnaces, the rated capacity of which is equal to or greater than 0.5 tonne. The furnaces are suitable both for solid and liquid charges at or near internal atmospheric pressure. This standard is also applica
24、ble to furnaces having one or more electrodes, other than three-phase furnaces, in so far as it applies. These furnaces are intended for melting of ferrous metals (steel, cast iron) and non-ferrous metals (copper); they may also be used as holding furnaces for a liquid charge to superheat and mainta
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