EN 60953-1:1995
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
12-15-1995
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
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