I.S. EN 60953-1:1998

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

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