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ASME PTC 6S Procedures for Routine Performance Test of Steam Turbines , 1988
- Foreword
- Committee Roster
- CONTENTS
- Section [Go to Page]
- 0 introduction
- 1 Object, Scope, and Intent
- 2 Definitions and Description of Terms
- 3 Guiding Principles
- 4 Instruments and Methods of Measurement
- 5 Preliminary Test
- 6 Presentation and Interpretation of Test Results
- 7 Test for Nonextraction Condensing Turbine With Superheated Inlet Steam
- 8 Test for Condensing Turbine, Regenerative Cycle, With Superheated Inlet Steam
- 9 Test for Condensing Turbine, Reheat Regenerative Cycle, With Superheated Inlet Steam
- 10 Test Tor Condensing Turbine, Regenerative Cycle, With Saturated Inlet Steam
- 11 Test tor Noncondensing Nonextraction Turbine, with Superheated Exhaust
- 12 Test tor Noncondensing Extraction Turbine
- 13 Special Procedures for Indicating Turbine-Cycle Performance Trends
- Figures [Go to Page]
- 2.1 Temperature-Entropy Diagrams
- 4.1 (a) Welded Primary Flow Measurement Section
- 4.1 (b) Inspection Port for Feedwater Flow Nozzle
- 4.1 (c) Flanged Primary Flow Measurement Section
- 4.2 Alternate Locations for Primary Flow Element
- 4.3 Connection Between Calibrated Flow Sections and Manometers
- 4. 4(a) Basket Tip
- 4.4(b) Guide plate
- 4.5 Moisture-Sampling Tube
- 5.1 Typical Turbine Valve-Position Test Data Based on Individual Steam Pressure Measurements
- 5.2 Typical Turbine Valve-Position Test Data Based on Individual Valve-Lift Measurements
- 5.3 Stage Group Efficiency by Enthalpy-Drop Method
- 6.1 Typical Blading Diagram for Single Stage
- 6.2 Typical Expansion Lines for a High-pressure Section Partial- Arc Admission. Condensing Turbine
- 6.3 Typical Expansion Lines for a High-pressure Section Full-Arc Admission. Condensing Turbine
- 6.4 Condensing Turbine Last-Stage Steam Flow Versus Stage Pressure Ratio
- 6.5 Pressure-Flow Relationship
- 6.6 Steam Flow VersusFirst-Stage Nozzle Area
- 6.7 Stage Pressure Versus Stage Exit Pressure for Intermediate Stages
- 6.8 Pressure or Capability Curve Versus Chronological Test Dates
- 6.9 Corrected Pressure Deviation Interpretations at Constant Control Valve Opening
- 6.10 Stage Pressure Versus Throttle Steam Flow
- 6.11 Single-Stage Efficiency Versus Wheel Speed
- 6.12 Partial-Arc Admission Unit
- 6.13 Full-Arc Admission Unit
- 6.14 Low-Pressure Turbine Section Efficiency Versus Exhaust Steam Flow or Velocity
- 6.15 Illustration of Low-Pressure Turbine Effectiveness
- 6.16 Relationships of vdr, vcr, and vtr
- 7.1 Instrument Locations
- 7.2 Generator Electrical Losses
- 8.1 Instrumentation for Routine Performance Tests for Condensing Turbine, Regenerative Cycle, Superheated Inlet Steam
- 9.1 Instrument Locations
- 9.2 Loss Factor Versus Crossover Pressure
- 9.3 Throttle Pressure Correction Factors
- 9.4 Throttle Temperature Correction Factors
- 9.5 Reheat Temperature Correction Factors
- 9.6 Reheater Pressure-Drop Correction Factors
- 9.7 ExhaustPressure Correction Factors
- 9.8 Heat RateVersusLoad
- 10.1 Instrumentation for Routine Performance Tests for Condensing Turbine. Regenerative Cycle, With Saturated Inlet Steam
- 11.1 Instrument Locations for Noncondensing, Nonextraction Turbines
- 12.1 Typical Diagram - Noncondensing Extraction Turbine
- 13.1 Instrument Locations
- Tables [Go to Page]
- 4.1 Location of Primary Water Flow-Measuring Ellement (Fig . 4.2)
- 8.1 Repeatability of Test Results
- 9.1 Instrument Uncertainties
- 9.2 Load-Correction-Factor Uncertainties
- 9.3 Typical Enthalpy-Drop Uncertainty Values
- 9.4 Approximate Repeatability Levels for Reheat-Regenerative Turbines. Enthalpy-Drop-Efficiency Tests
- 10.1 Summary
- 11.1 Instrument Uncertainty
- 11.2 Flow Correction Factor Uncertainty
- 11.3 SteamRate Uncertainty
- 1 1.4 Combined Capability Uncertainty
- 12.1 Repeatability Calculations for Enthalpy-Drop Efficiency
- 12.2 Repeatability Calculations for Capability Test
- 12.3 Repeatability Calculations for Steam-Rate Test - No Extraction
- 12.4 Repeatability Calculations for Steam-Rate Test - With Extraction
- 13.1 Power Measurement Instrument Uncertainties
- 13.2 Heat Rate Correction Uncertainties
- Appendices [Go to Page]
- A Cycle Correction Curves
- B References
- Figures [Go to Page]
- A1 Typical Fossil-Fuel Fired Cycle
- A2 Final Feedwater Temperature Corrections
- A3 Auxiliary Extraction Corrections
- A4 Corrections for Auxiliary Extraction from Cold Heat
- A5 Corrections for Main Steam and Reheat Steam Desuperheating Flow
- A6 Condensate Subcooling Corrections
- A7 Condenser Make-up Corrections
- A8 Typical Light-Water Moderated Nuclear Cycle
- A9 Final Feedwater Temperature Corrections (LWM Nuclear Cycle)
- A10 Feed Pump Turbine Extraction Correction (LWM Nuclear Cycle)
- A11 Condensate Subcooling Correction (LWM Nuclear Cycle)
- A12 Condenser Make-up Correction (LWM Nuclear Cycle)
- Table [Go to Page]
- A- 1 Equations for Use of Curves for Specified Cycle Corrections
- Complete Listing of ASME Performance Test Codes [Go to Page]