1、NORME INTERNATIONALE INTERNATIONAL STANDARD Turbines a vapeur Partie 1: Specifications Steam turbines Part 1: Specifications CEI IEC 45-1 Premiere edition First edition 1991-05 Numero de reference Reference number CEI/IEC 45-1: 1991 Validite de Ia presente publication Le contenu technique des public
2、ations de Ia CEI est cons tamment revu par Ia CEI afin quil reflete letat actuel de Ia technique. Des renseignements relatifs a Ia date de reconfirmation de Ia publication sont disponibles aupres du Bureau Central de laCE!. Les renseignements relatifs a ces revisions, a letablis sement des editions
3、revisees et aux amendements peuvent etre obtenus aupres des Comites nationaux de Ia CEI et dans les documents ci-dessous: Bulletin de Ia CEI Annuaire de Ia CEI Publie annuellement Catalogue des publications de Ia CEI Publie annuellement et mis a jour regulierement Terminologie En ce qui concerne Ia
4、terminologie generale, le lecteur se reportera a Ia CEI 50: Vocabulaire Electrotechnique Inter national (VEl), qui se presente sous forme de chapitres separes traitant chacun dun sujet defini. Des details complets sur le VEl peuvent etre obtenus sur demande. Voir egalement le dictionnaire multilingu
5、e de Ia CEI. Les termes et definitions figurant dans Ia presente publi cation ont ete soit tires du VEl, soit specifiquement approuves aux fins de cette publication. Symboles graphiques et litteraux Pour les symboles graphiques, les symboles litteraux et les signes dusage general approuves par Ia CE
6、I, le lecteur consultera: - Ia CEI 27: Symboles litteraux a utiliser en electro-technique; Ia CEI 417: Symboles graphiques utilisables sur le materiel. Index, releve et compilation des feuilles individuel/es; Ia CEI 617: Symboles graphiques pour schemas; et pour les appareils electromedicaux, - Ia C
7、EI 878: Symboles graphiques pour equipements electriques en pratique medica/e. Les symboles et signes contenus dans Ia presente publi cation ont ete soit tires de Ia CEI 27, de Ia CEI 417, de Ia CEI 617 et/ou de Ia CEI 878, soit specifiquement approuves aux fins de cette publication. Publications de
8、 Ia CEI etablies par le meme comite detudes Lattention du lecteur est attiree sur les listes figurant a Ia fin de cette publication, qui enumerent les publications de Ia CEI preparees par le comite detudes qui a etabli Ia presente publication. Validity of this publication The technical content of IE
9、C publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available from the IEC Central Office. Information on the revision work, the issue of revised editions and
10、 amendments may be obtained from IEC National Committees and from the following IEC sources: IEC Bulletin IEC Yearbook Published yearly Catalogue of IEC publications Published yearly with regular updates Terminology For general terminology, readers are referred to IEC 50: International Electrotechni
11、cal Vocabulary (I EV), which is issued in the form of separate chapters each dealing with a specific field. Full details of the lEV will be supplied on request. See also the IEC Multilingual Dictionary. The terms and definitions contained in the present publi cation have either been taken from the l
12、EV or have been specifically approved for the purpose of this publication. Graphical and letter symbols For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publications: IEC 27: Letter symbols to be used in electrical technology; IEC 417:
13、Graphical symbols for use on equipment. Index, survey and compilation of the single sheets; IEC 617: Graphical symbols for diagrams; and for medical electrical equipment, IEC 878: Graphical symbols for electromedical equipment in medical practice. The symbols and signs contained in the present publi
14、cation have either been taken from IEC 27, IEC 417, IEC 617 and/or IEC 878, or have been specifically approved for the purpose of this publication. IEC publications prepared by the same technical committee The attention of readers is drawn to the end pages of this publication which list the IEC publications issued by the technical committee which has prepared the present publication.
