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Power Plant Instrumentation and Control Handbook

Book Description

The book discusses instrumentation and control in modern fossil fuel power plants, with an emphasis on selecting the most appropriate systems subject to constraints engineers have for their projects. It provides all the plant process and design details, including specification sheets and standards currently followed in the plant. Among the unique features of the book are the inclusion of control loop strategies and BMS/FSSS step by step logic, coverage of analytical instruments and technologies for pollution and energy savings, and coverage of the trends toward filed bus systems and integration of subsystems into one network with the help of embedded controllers and OPC interfaces. The book includes comprehensive listings of operating values and ranges of parameters for temperature, pressure, flow, level, etc of a typical 250/500 MW thermal power plant. Appropriate for project engineers as well as instrumentation/control engineers, the book also includes tables, charts, and figures from real-life projects around the world.
  • Covers systems in use in a wide range of power plants:  conventional thermal power plants, combined/cogen plants, supercritical plants, and once through boilers
  • Presents practical design aspects and current trends in instrumentation
  • Discusses why and how to change control strategies when systems are updated/changed
  • Provides instrumentation selection techniques based on operating parameters.  Spec sheets are included for each type of instrument.
  • Consistent with current professional practice in North America, Europe, and India

Table of Contents

  1. Cover image
  2. Title page
  3. Table of Contents
  4. Copyright
  5. Dedication
  6. Foreword
  7. Preface
  8. Acknowledgments
  9. Chapter I. Introduction
    1. 1. Introduction
    2. 2. Fundamental Knowledge about Basic Process
    3. 3. Process Parameters and Ranges
  10. Chapter II. Main Equipment
    1. 1. Overview of Types, Functions, and Description of Main Equipment
    2. 2. Steam Generator: Boiler
    3. 3. Turbine Types
    4. 4. Generator
    5. 5. Boiler Feed Pump and Condensate Extraction Pump with Associated Measurements
    6. 6. Deaerators and Heaters
    7. 7. Function and Description of CW and ACW Systems
    8. 8. Demineralizing Plant’s Function and Description
    9. 9. Basic System Functions and Description of Coal Handling
    10. 10. Basic System Functions and Description of ASH Handling
    11. 10.1. Properties of Ash
  11. Chapter III. Plant P&ID Discussions
    1. 1. Introduction (P&ID)
    2. 2. Main Steam (P&ID)
    3. 3. Reheat Steam (P&IDs): Cold and Hot Reheat
    4. 4. Extraction Steam (P&IDs): Bleed Steam
    5. 5. Auxiliary Steam (P&IDs)
    6. 6. Feed Water System (P&ID)
    7. 7. Condensate System (P&IDs)
    8. 8. Heater Drain and Vent (P&IDs)
    9. 9. Air and Flue Gas System (P&IDs)
    10. 10. Cogeneration P&ID
    11. 11. Miscellaneous Other Systems (P&ID)
  12. Chapter IV. General Instruments
    1. 1. Introduction
    2. 2. Pressure Measurement: Various Measuring Points and Range Selection
    3. 3. Temperature Measurement: Various Measuring Points and Range Selection
    4. 4. Flow Measurement, Various Measuring Points, Various Types, and Range Selection
    5. 5. Level Measurement
  13. Chapter V. Special Instrument
    1. 1. Special Instruments
    2. 2. Vibration and Turbovisory Instruments
    3. 3. Gas Analyzers
    4. 4. Steam and Water Analysis System
    5. 5. Sample Conditioning System
    6. 6. Blow Down and Dosing Control
    7. 7. Analyzers for Air Pollution Monitoring and Control (NOX Control) Control)
  14. Chapter VI. Final Control Element
    1. 1. Valves and Actuators
    2. 2. Control Valve Types
    3. 3. Dampers and Miscellaneous other FCEs
    4. 4. Actuators
    5. 5. Accessories
  15. Chapter VII. Intelligent Control System
    1. 1. Basics (Discussion on Intelligent Network System)
    2. 2. PLC System: Introduction
    3. 3. Annunciation and Sequence of Event: Preamble
    4. 4. Integrated DCS–DDC MIS: Preamble
    5. 5. MMI and Recording: Introduction
    6. 6. MIS: Introduction
  16. Chapter VIII. Boiler Control System
    1. 1. Basic Control Requirements
    2. 2. Steam Pressure Control with Load Index
    3. 3. Air Flow Control
    4. 4. Fuel Flow Control
    5. 5. Coal Mill Control—Mill Air Flow for TT Boiler
    6. 6. Furnace Draft Control
    7. 7. Drum-Level and Feedwater Controls
    8. 8. Superheater Temperature Control
    9. 9. Reheat Temperature Control
    10. 10. Miscellaneous Boiler Controls, including Overfire Air Dampers
    11. 11. HP–LP Bypass System
    12. 12.0. Boiler OLCS: Introduction to Interlock and Protection of Boiler BMS, SADC, and SB Control
  17. Chapter IX. Turbo Generator Control System
    1. 1. Introduction
    2. 2. Electro Hydraulic Governor Control System
    3. 3. Turbine Protection System
    4. 4. ATRS
    5. 5. ATT System
    6. 6. Thermal Stress Evaluator
    7. 7. LPBP System
    8. 8. Turbine Controls: Seal Steam Pressure Control System
    9. 9. Hydrogen Seal Oil System and Differential Pressure Control
    10. 10. Generator Control System
    11. 11. Condenser Level and Deaerator Level Control System
    12. 12. Various TG Options and Miscellenious TG Controls
  18. Chapter X. Coordinated Control System
    1. 1. Introduction
    2. 2. Coordinate Control Mode
    3. 3. Turbine Follow Mode
    4. 4. Boiler Follow Mode
    5. 5. Run Back System
    6. 6. Discussions and Explanations
  19. Chapter XI. Balance of Plant Control System
    1. 1. Balance of Plant: Introduction
    2. 2. BFP Recirculation Control
    3. 3. CEP Recirculation Control
    4. 4. GSC Minimum Flow Control
    5. 5. Deaerator (Pressure) Control
    6. 6. LP Heater Level Control
    7. 7. HP Heater Level Control
    8. 8. Ejector Control and TAS
  20. Chapter XII. Installation Practices
    1. 1. Introduction
    2. 2. Pipe Valve Fitting Material Specification and Rating
    3. 3. Mechanical Installation of Instruments
    4. 4. Elecrical Installation of Instruments
  21. Appendix I. Process and Mechanical Standard Table
  22. Appendix II. Electrical Data and Tables
  23. Appendix III. ISA Standard, Materials, Human Engineering, and Control Room
  24. Appendix IV. Network Control and Communication
  25. Appendix V. Super/Ultra Super Critical Power Plants
  26. Appendix VI. Integrated Gasifier and Combined Cycle Plant (Pollution Control)
  27. Appendix VII. A Few Operational Features of the Unit
  28. Index