BS-EN-60994-1993 IEC-60994-1991.pdf
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1、BRITISH STANDARD BS EN 60994:1993 IEC 994:1991 Guide for field measurement of vibrations and pulsations in hydraulic machines (turbines, storage pumps and pump-turbines) The European Standard EN 60994:1992 has the status of a British Standard UDC 534.6:534.83:621.22:621.65 Licensed Copy: sheffieldun
2、 sheffieldun, na, Thu Nov 09 01:58:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60994:1993 This British Standard, having been prepared under the direction of the Machinery and Components Standards Policy Committee, was published under the authority of the Standards Board and comes into effect
3、 on 15 February 1993 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference MCE/15 Draft for comment 86/77922 DC ISBN 0 580 21578 4 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this
4、 European Standard was prepared, comprises the national committees of the following countries: AustriaItaly BelgiumLuxembourg DenmarkNetherlands FinlandNorway FrancePortugal GermanySpain GreeceSweden IcelandSwitzerland IrelandUnited Kingdom Amendments issued since publication Amd. No.DateComments Li
5、censed Copy: sheffieldun sheffieldun, na, Thu Nov 09 01:58:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60994:1993 BSI 01-2000i Contents Page Cooperating organizationsInside front cover National forewordii Foreword2 Text of EN 609945 National annex NA (informative) Committees responsibleInsid
6、e back cover National annex NB (informative) Cross-referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 01:58:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60994:1993 ii BSI 01-2000 National foreword This British Standard has been prepared under the direction of t
7、he Machinery and Components Standards Policy Committee and is the English language version of EN 60994:1993 Guide for field measurement of vibrations and pulsations in hydraulic machines (turbines, storage pumps and pump-turbines), published by the European Committee for Electrotechnical Standardiza
8、tion (CENELEC). It is identical with IEC 994:1991 published by the International Electrotechnical Commission (IEC). For graphical, symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to: IEC Publication 27: Letter symbols to be used in electrical technolog
9、y; IEC Publication 617: Graphical symbols for diagrams. The symbols and signs contained in the present publication have either been taken from IEC Publications 27 or 617, or have been specifically approved for the purpose of this publication. For general terminology, readers are referred to IEC Publ
10、ication 50: International Electrotechnical Vocabulary (IEV), which is issued in the form of separate chapters each dealing with a specific field, the General Index being published as a separate booklet. Full details of the IEV will be supplied on request. The terms and definitions contained in the p
11、resent publication have either been taken from the IEV or have been specifically approved for the purpose of this publication. Some Sections and Parts of BS 4727 are identical with or technically equivalent to IEC Publication 50. All Parts of BS 3939, except for Part 1, are identical with IEC Public
12、ation 617. Additional information. ISO 2041 referred to in the text was the 1975 edition of the standard. This edition has now been superseded by ISO 2041:1990. BS 3015:1991 is identical with ISO 2041:1990. In 2.2, paragraph 1, line 2 and 10.2, line 3, reference is made to “IEC Publication 000”. Thi
13、s publication has now been published as IEC 41:1991 and it is envisaged that, if it is accepted as a European Standard, it will be published in the BS EN series. EN 60994 was produced as a result of international discussion in which the United Kingdom took an active part. A British Standard does not
14、 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 confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside fr
15、ont cover, pages i and ii, the EN title page, pages 2 to 60, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffi
16、eldun, na, Thu Nov 09 01:58:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60994 October 1992 UDC 534.6:534.83:621.22:621.65 Descriptors: Hydraulic machine, turbine, pump, measuring, vibration, test, test conditions English version Guide for field
17、measurement of vibrations and pulsations in hydraulic machines (turbines, storage pumps and pump-turbines) (IEC 994:1991) Guide pour la mesure in situ des vibrations et fluctuations sur machines hydrauliques (turbines, pompes daccumulation et pompes-turbines) (CEI 994:1991) Leitfaden fr die Messung
18、von Schwingungen und Druckpulsationen an hydraulischen Maschinen (Turbinen, Speicherpumpen und Pumpturbinen) in Kraftwerken (IEC 994:1991) This European Standard was approved by CENELEC on 1992-09-15. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the c
19、onditions 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 Standard exists i
20、n 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 national electrote
21、chnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electro
22、technique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1992 Copyright reserved to CENELEC members Ref. No. EN 60994:1992 E Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 09 01:58:10 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60994:
23、1992 BSI 01-2000 2 Foreword The CENELEC questionnaire procedure, performed for finding out whether or not the International Standard IEC 994:1991 could be accepted without textual changes, has shown that no common modifications were necessary for the acceptance as European Standard. The reference do
24、cument was submitted to the CENELEC members for formal vote and was approved by CENELEC as EN 60994 on 15 September 1992. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. Contents Page Foreword2 Introduction
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