IEC 60953-1-1990 Rules for steam turbine thermal acceptance tests part 1 method A high accuracy for large condensing steam turbines《汽轮机热力验收试验规则 第1部分 方法A 适用于大容量凝汽式汽轮机的高精度》.pdf

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1、NORME I NTE R N AT1 O NA LE I N T E R NAT I O N A L STANDARD Rgles pour les essais thermiques de rception des turbines vapeur CE1 I EC 953-1 Premiere dition First edition 1990-12 Premire partie: Mthode A - Haute prcision, pour turbines vapeur condensation de grande puissance Rules for steam turbine

2、thermal acceptance tests Part 1 : Method A - High accuracy for large condensing steam turbines Numro de rfrence Reference number CEI/IEC 953-1: 1990 Numros des publications Depuis le 1 er janvier 1997, les publications de la CE1 sont numrotes partir de 60000. Publications consolides Les versions con

3、solides de certaines publications de la CE1 incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2. V

4、alidit de la prsente publication Le contenu technique des publications de la CE1 est constamment revu par la CE1 afin quil reflte ltat actuel de la technique. Des renseignements relatifs la date de re- confirmation de la publication sont disponibles dans le Catalogue de la CEI. Les renseignements re

5、latifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablies, se trouvent dans les documents ci-dessous: Site web de la CEP Catalogue des publications de la CE1 Publi annuellement et mis jour rguliremen

6、t (Catalogue en ligne) Disponible la fois au 4te web, de la CEI et comme priodique imprim Bulletin de la CE1 Terminologie, symboles graphiques et littraux En ce qui concerne la terminologie gnrale, le lecteur se reportera la CE1 60050: Vocabulaire Electro- technique International (VEI). Pour les sym

7、boles graphiques, les symboles littraux et les signes dusage gnral approuvs par la CEI, le lecteur consultera la CE1 60027: Symboles littraux ;i utiliser en lectrotechnique, la CE1 6041 7: Symboles graphiques utilisables sur le matriel. Index, relev et compilation des feuilles individuelles, et la C

8、E1 60 61 7: Symboles graphiques pour schmas. * Voir adresse 4te web, sur la page de titre. Numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. Consolidated publications Consolidated versions of some IEC publications including amendments are availa

9、ble. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incor- porating amendment 1 and the base publication incorporating amendments 1 and 2. Validity of this publication The technical content of IEC publications is kept under constant r

10、eview by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available in the IEC catalogue. Information on the subjects under consideration and work in progress undertaken by the technical com- mittee whic

11、h has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: IEC web site Catalogue of IEC publications Published yearly with regular updates (On-line catalogue)* Available both at the IEC web site and as a printed periodical IEC Bulletin

12、Terminology, graphical and letter symbols For general terminology, readers are referred to I EC 60 050: International Electrotechnical Vocabulary (IEV). For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publications IEC 60027: Letter sym

13、bols to be used in electrical technology, IEC 60417: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols for diagrams. * See web site address on title page. NORME I NTE R NATI O NALE I NTE R NATI O NA L STANDARD CE1 IEC 953-1 Pr

14、emire dition First edition 1990-12 Rgles pour les essais thermiques de rception des turbines vapeur Premire partie: Mthode A - Haute precision, pour turbines vapeur condensation de grande puissance Rules for steam turbine thermal acceptance tests Partl: Method A - High accuracyfor large condensing s

15、team turbines 0 CE1 1990 Droits de reproduction reservs - Copyright - all rights reserved Aucune partie de cette publication ne peut eire reproduile ni No pari of this publication may be reproduced or utilized in utilisee sous quelqde forme que ce soit et par aucun procede any form or by any means e

16、lectronic or mechanical including eleclronique ou ncanique y compris la photocopie et les photocopying and microfilm without permission in writing microfilms sans I SiCord ecrit de I editeur from lhe publisher Bureau Central de la Commission Electrotechnique Internationale 3, rue de Varemb Geneve, S

17、uisse xc CODE PRIX Commission Eiectrotechnique internationale International Electrotechnical Commission Mewwapoman 3newrporexwuecna11 HoMuccun ODE Pourprir ioircatahqiicen i,ryii?ur For price hcr ciinnit ca!abguc -2- 953-1 O CE1 SOMMAIRE Pages PRAMBULE 8 PRFACE . 8 INTRODUCTION 10 Articles 1 . Domai

18、ne dapplication et objet 16 1.1 Domaine dapplication . 16 1.2 Objet . 16 1.3 Points examiner dans le contrat . 16 2 . Units. symboles. termes et dfinitions . 2.1 Gnralits . 2.2 Symboles. units 2.3 Indices. exposants et dfinitions . 2.4 Dfinitions des valeurs garanties et des rsultats dessai 2.4.1 Re

19、ndement thermique . 2.4.2 Consommation spcifique de chaleur 2.4.3 Rendement thermodynamique 2.4.4 Consommation spcifique de vapeur 2.4.5 Dbit de vapeur principale 2.4.6 Puissance maximale . . . . . . . . . . . . . 18 18 18 20 26 26 28 28 28 30 30 3 . Principes directeurs . 30 3.1 Dispositions prendr

20、e ds la conception de linstallation 30 3.2 Accords et dispositions prliminaires aux essais . 32 3.3 Organisation des essais . 34 3.3. I Dlai pour la ralisation des essais de rception . 34 3.3.2 Direction des essais de rception 34 3.3.3 Cot des essais de rception 34 3.4 Prparation des essais 34 3.4.1

21、 Etat de linstallation . 34 3.4.2 Etat de la turbine vapeur . 36 3.4.3 Etat du condenseur . 36 3.4.4 Isolement du cycle 36 3.4.5 Contrle dtanchit du condenseur et des rchauffeurs deau dalimentation 42 3.4.6 Propret des filtres de vapeur 42 3.4.7 Contrle des quipements de mesure . 42 3.5 Mesures comp

22、aratives 42 3.6 Rglages dessai . 42 3.6.1 Rglages de la puissance 42 3.6.2 Rglages spciaux 44 3.7 Essais prliminaires . 44 3.8 Essais de rception . 44 3.8.1 Constance des conditions dessai 44 3.8.2 Ecarts et fluctuations maximaux admissibles des conditions de fonctionnement . 46 3.8.3 Dure des essai

23、s et frquence des lectures . 46 3.8.4 Lecture des appareils de mesure intgrateurs . 48 3.8.5 Autres mthodes . SO 3.8.6 Relev des mesures . 50 3.8.7 Mesures supplmentaires SO 3.8.8 Calculs prliminaires 50 3.8.9 Cohrence des essais 50 3.9 Rptition des essais de rception . 50 Techniques de mesure et ap

24、pareils de mesure . 50 4.1 Gnralits 50 4.1.1 Appareils de mesure . 50 4.1.2 Incertitude des mesures . 60 4.1.3 Etalonnage des appareils de mesure 60 4.1.4 Autres appareils de mesure . 60 4.1.5 Le mercure dans linstrumentation . 62 4.2 Mesure de puissance . 62 4.2.1 Dtermination de la puissance mcani

25、que dune turbine 62 4.2.2 Mesure de la puissance de la pompe alimentaire de la chaudire 62 4.2.3 Dtermination de la puissance lectrique dun groupe turboalternateur 68 4 . 953-1 O IEC -3- CONTENTS Page FOREWORD 9 PREFACE . 9 INTRODUCTION 11 1 . Scopeandobject . 17 1.1 Scope . 17 1.2 Object . 17 1.3 M

26、atters to be considered in the contract 17 2 . Units, symbols, terms and definitions . 19 2.1 General 19 2.2 Symbols, units 19 2.3 Subscripts, superscripts and definitions 21 2.4 Definition of guarantee values and test results 27 2.4.1 Thermal efficiency 27 2.4.2 Heatrate . 29 2.4.3 Thermodynamic ef

27、ficiency . 29 2.4.4 Steamrate 29 2.4.5 Main steam flow capacity 31 2.4.6 Maximum power output 31 Clause 3 . Guiding principles 3.1 Advance planning for test 3.2 Preparatory agreements and arrangements for tests . 3.3 Planning of the tests 3.3.1 Time for acceptance tests 3.3.2 Direction of acceptance

28、 tests 3.3.3 Cost of acceptance tests . 3.4 Preparation of the tests . 3.4.1 Condition of the plant 3.4.2 Condition of the steam turbine . 3.4.3 Condition of the condenser . 3.4.4 Isolation of the cycle 3.4.5 Checks for leakage of condenser and feedwater heaters . 3.4.6 3.4.7 3.5 3.6 3.6. I 3.6.2 3.

29、7 3.8 3.8.1 3.8.2 3.8.3 3.8.4 3.8.5 3.8.6 3.8.7 3.8.8 3.8.9 3.9 Cleanliness of the steam strainers . Checking of the test measuring equipment Comparison measurements . Settings for tests . Loadsettings . Special settings Preliminary tests . Acceptance tests . Constancy of test conditions Maximum dev

30、iation and fluctuation in test conditions Duration of test runs and frequency of readings . Reading of integrating measuring instruments Alternative methods . Recording of tests Additional measurements Preliminary calculations Consistency of tests . Repetition of acceptance tests . . 31 31 33 35 35

31、35 35 35 35 37 37 37 43 43 43 43 43 43 45 45 45 45 47 47 49 51 51 51 51 51 51 4 . Measuring techniques and measuring instruments 51 4.1 General 51 4.1. I Measuring instruments . 51 4.1.2 Measuring uncertainty . 61 4.1.3 Calibration of instruments . 61 4.1.4 Alternative instrumentation 61 4.1.5 Mercu

32、ry in instrumentation 63 4.2 Measurement of power . 63 4.2.1 Determination of mechanical turbine output . 63 4.2.2 Measurement of boiler feed pump power . 63 4.2.3 Determination of electrical power of a turbine generator 69 -4- 953-1 O CE1 Articles 4.2.4 4.2.5 4.2.6 4.2.1 4.2.8 4.3 4.3.1 4.3.2 4.3.3

33、 4.3.4 4.3.5 4.3.6 4.3.1 4.3.8 4.3.9 4.4 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.1 4.5 4.5.1 4.5.2 4.5.3 4.5.4 4.5.5 4.5.6 4.5.1 4.5.8 4.5.9 4.6 4.6.1 4.6.2 4.6.3 4.6.4 4.6.5 4.6.6 4.6.1 4.6.8 4.1 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 4.8 4.9 Mesure de la puissance lectrique Branchement des appareils

34、de mesure lectriques Appareils de mesure lectriques . Transformateurs de mesure . Mesures comparatives et reprise de ltalonnage des appareils de mesure et transformateurs Mesuredesdbits Dtermination des dbits mesurer Mesure du dbit deau principal Montage et emplacement des dispositifs pression diffr

35、entielle Mesures de pression diffrentielle . Fluctuations des dbits deau Mesure des dbits secondaires . Dbits secondaires occasionnels Masse volumique deau et de vapeur Dtermination du dbit deau de refroidissement du condenseur Mesuresdepression(sauf1apressiondchappementdesturbinescondensation) . Pr

36、essions mesurer . Instruments . Prises de pression et tuyauteries de raccordement Robinets disolement Etalonnage des appareils de mesure de pression Pression atmosphrique . Mesure de la pression dchappement des turbines condensation . Prises de pression . Correction des lectures . Gnralits Plandemes

37、ure Collecteurs de mesure Tuyauteries de raccordement Appareils de mesure . Etanchit du circuit de mesure Etalonnage Correction des lectures . Mesure de tempratures . Points de mesure des tempratures . Appareils de mesure . Mesures de tempratures principales . Mesure des tempratures de leau de refro

38、idissement du condenseur Prcision des quipements de mesure de temprature Poches thermomtriques pour thermomtres . Prcautions observer lors des mesures de temprature . Mesure du titre de la vapeur Gnralits Technique de mesure par traceur Mthode de condensation . Mthode dinjection dbit constant Calcul

39、 de lenthalpie de vapeur soutire humide par la mthode dinjection dbit constant Les traceurs et leur utilisation Mesuredutemps . Mesure de la vitesse de rotation Mesure des tempratures du poste deau, y compris les tempratures de vapeur soutire . . 5 . Dpouillement des essais 5.1 Prparation du dpouill

40、ement . 5.2 Calcul des rsultats . 5.2.1 Calcul des valeurs moyennes des lectures des appareils de mesure 5.2.2 Correction et conversion des moyennes de lecture 5.2.3 Vrification des donnes mesures . 5.2.4 Proprits thermodynamiques de leau et de la vapeur 5.2.5 Calcul des rsultats dessai . Correction

41、 des rsultats de lessai et comparaison avec la garantie 6.1 Valeurs et conditions de la garantie Correction du dbit maximal de vapeur ladmission 6.3 Correction de la puissance maximale . Correction du rendement thermique ou thermodynamique . 6.5 Dfinition et application des coefficients de correctio

42、n . Correction par bilan thermodynamique . 6 . . 6.2 6.4 6.6 Mthode de correction . 6.6.1 Pages 68 68 IO IO IO 12 72 12 14 18 82 82 88 90 90 92 92 92 94 96 96 96 98 100 100 100 100 104 104 104 104 106 106 106 106 106 108 108 1 IO 110 1 IO 110 112 112 112 114 122 122 126 128 128 128 128 130 130 130 1

43、30 132 132 132 132 132 134 134 136 138 138 953-1 O IEC -5- Clause Page 4.2.4 4.2.5 4.2.6 4.2.7 4.2.8 4.3 4.3. I 4.3.2 4.3.3 4.3.4 4.3.5 4.3.6 4.3.7 4.3.8 4.3.9 4.4 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.7 4.5 4.5.1 4.5.2 4.5.3 4.5.4 4.5.5 4.5.6 4.5.7 4.5.8 4.5.9 4.6 4.6.1 4.6.2 4.6.3 4.6.4 4.6.5 4.

44、6.6 4.6.7 4.6.8 4.7 4.7. I 4.7.2 4.7.3 4.7.4 4.7.5 4.7.6 4.8 4.9 Measurement of electrical power 69 Electrical instrument connections . 69 Electrical instruments 71 Instrument transformers 71 Comparison measurement and recalibration of instruments and transformers 71 Flow measurements . 73 Determina

45、tion of flows to be measured 73 Measurement of primary water flow Installation and location of differential pressure devices 75 Differential pressure measurements 79 Water flow fluctuation . 83 Secondary flow measurements . 83 Occasional secondary flows 89 Density of water and steam . 91 Determinati

46、on of cooling water flow of condenser 91 Pressure measurements (excluding condensing turbine exhaust pressure) 93 Pressures to be measured 93 Instruments . 93 Pressure tapping holes and connecting lines . 95 Shut-off valves 97 Calibration of pressure measuring devices 97 Atmospheric pressure 97 Corr

47、ection of readings . 99 Condensing turbine exhaust pressure measurement . 101 General 101 Plane of measurement 101 Pressure taps . 101 Manifolds 105 Connecting lines 105 Instruments . 105 Tightness of measuring system . 105 Calibration 107 Correction of readings . 107 Temperature measurement . 107 P

48、oints of temperature measurement 107 Instruments . 107 Main temperature measurements . 109 Feed train temperature measurements (including bled steam) 109 Condenser cooling water temperature measurement . 111 Accuracy of temperature measuring equipment . 111 Thermometer wells . 111 Precautions to be

49、observed in the measurement of temperature . 111 Steam quality measurement 113 General 113 Tracer technique . 113 Condensing method . 115 Constant rate injection method . Extraction enthalpy determined by constant rate injection method . Tracer and their use . Time measurement . 129 Speed measurement . 129 73 . 123 123 127 5 . Evaluation

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