• I.S. EN 60953-1:1998

    Current The latest, up-to-date edition.

    RULES FOR STEAM TURBINE THERMAL ACCEPTANCE TESTS - PART 1: METHOD A - HIGH ACCURACY FOR LARGE CONDENSING STEAM TURBINES

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1998

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    PREFACE
    INTRODUCTION
    1 Scope and object
      1.1 Scope
      1.2 Object
      1.3 Matters to be considered in the contract
    2 Units, symbols, terms and definitions
      2.1 General
      2.2 Symbols, units
      2.3 Subscripts, superscripts and definitions
      2.4 Definition of guarantee values and test results
    3 Guiding principles
      3.1 Advance planning for test
      3.2 Preparatory agreements and arrangements for tests
      3.3 Planning of the tests
      3.4 Preparation of the tests
      3.5 Comparison measurements
      3.6 Settings for tests
      3.7 Preliminary tests
      3.8 Acceptance tests
      3.9 Repetition of acceptance tests
    4 Measuring techniques and measuring instruments
      4.1 General
      4.2 Measurement of power
      4.3 Flow measurement
      4.4 Pressure measurement (excluding condensing turbine
          exhaust pressure)
      4.5 Condensing turbine exhaust pressure measurement
      4.6 Temperature measurement
      4.7 Steam quality measurement
      4.8 Time measurement
      4.9 Speed measurement
    5 Evaluation of tests
      5.1 Preparation of evaluation
      5.2 Computation of results
    6 Correction of test results and comparison with
      guarantee
      6.1 Guarantee values and guarantee conditions
      6.2 Correction of initial steam flow capacity
      6.3 Correction of maximum output
      6.4 Correction of thermal and thermodynamic efficiency
      6.5 Definition and application of correction values
      6.6 Correction methods
      6.7 Variables to be considered in the correction
      6.8 Guarantee comparison
    Appendix A Feedwater heater leakage and condenser leakage
               tests
    Appendix B Throat tap nozzle
    Appendix C The use of flow straighteners in fluid
               flow measurements
    Annex ZA (normative) Normative references to international
                         publications with their corresponding
                         European publications

    Abstract - (Show below) - (Hide below)

    Applies to thermal acceptance tests with high accuracy for condensing steam turbines driving generators for electric power services.

    General Product Information - (Show below) - (Hide below)

    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    HD 532 : 200S1 HARD-DRAWN ALUMINIUM WIRE FOR OVERHEAD LINE CONDUCTORS
    ISO 5167:1980 Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
    IEC 60034-2:1972 Rotating electrical machines. Part 2: Methods for determining losses and efficiency of rotating electrical machinery from tests (excluding machines for traction vehicles)
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