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I.S. EN 60953-2:1999

Current
Current

The latest, up-to-date edition.

RULES FOR STEAM TURBINE THERMAL ACCEPTANCE TESTS - PART 2: METHOD B - WIDE RANGE OF ACCURACY FOR VARIOUS TYPES AND SIZES OF TURBINES
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1999

Preview

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.

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 test
  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
  6.9 Deterioration of turbine performance (ageing)
7 Measuring uncertainty
  7.1 General
  7.2 Determination of measuring uncertainty of steam
      and water properties
  7.3 Calculation of measuring uncertainty of output
  7.4 Determination of measuring uncertainty of mass flow
  7.5 Calculation of measuring uncertainty of results
APPENDIX A - Feedwater heater leakage and condenser leakage
             tests
APPENDIX B - Throat tap nozzle
APPENDIX C - Evaluation of multiple measurements, compatibility
APPENDIX D - Mass flow balances
APPENDIX E - Typical generalized correction curves for
             correction of test results according to guarantee
             conditions
APPENDIX F - Short statistical definition of measuring and
             uncertainty error propagation in acceptance tests
APPENDIX G - Calculation of measuring uncertainty of output -
             Electrical measurement
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications

Applies to thermal acceptance tests covering a wide range of accuracy on stream turbines of every type, rating and application.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
244
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
EN 60953-2:1995 Identical
NF EN 60953-2 : 2003 Identical
IEC 60953-2:1990 Identical
NBN EN 60953-2 : 1996 Identical
SN EN 60953-2 : 1995 Identical
BS EN 60953-2:1996 Identical

HD 53-2 : 200S1 ROTATING ELECTRICAL MACHINES - METHODS FOR DETERMINING LOSSES AND EFFICIENCY OF ROTATING ELECTRICAL MACHINERY FROM TESTS (EXCLUDING MACHINES FOR TRACTION VEHICLES) - MEASUREMENT OF LOSSES BY THE CALORIMETRIC METHOD
IEC 60041:1991 Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump-turbines
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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