Handbook of large turbo-generator operation and maintenance

Description

Content: Handbook of Large Turbo-Generator Operation and Maintenance Contents Preface Acknowledgments Part I: Theory, Construction, and Operation Chapter 1: Principles of Operation of Synchronous Machines 1.1 Introduction to Basic Notions on Electric Power 1.1.1 Magnetism and Electromagnetism 1.1.2 Electricity 1.2 Electrical-Mechanical Equivalence 1.3 Alternating Current (ac) 1.4 Three-Phase Circuits 1.5 Basic Principles of Machine Operation 1.5.1 Faraday's Law of Electromagnetic Induction 1.5.2 Ampere-Biot-Savart's Law of Electromagnetic-Induced Forces. 1.5.3 Lenz's Law of Action and Reaction1.5.4 Electromechanical Energy Conversion 1.6 The Synchronous Machine 1.6.1 Background 1.6.2 Principles of Construction 1.6.3 Rotor Windings 1.6.4 Stator Windings 1.7 Basic Operation of the Synchronous Machine 1.7.1 No-Load Operation 1.7.2 Motor Operation 1.7.3 Generator Operation 1.7.4 Equivalent Circuit 1.7.5 Machine Losses Additional Reading Chapter 2: Generator Design and Construction 2.1 Stator Core 2.1.1 General Construction Features 2.1.2 Insulated versus Noninsulated Cores 2.1.3 Cores Built with Consolidated ''Donutś́. 2.1.4 Robotic versus Hand Core Stacking2.1.5 Core Stacking Pressure and Tightness 2.2 Stator Frame 2.2.1 General Construction Features 2.2.2 Caged Core Design 2.2.3 Grounding of Stator Frames 2.3 Flux and Armature Reaction 2.4 Electromagnetics 2.5 End-Region Effects and Flux Shielding 2.5.1 Stator Core-End Copper Flux Shields/Screens 2.5.2 Stator Core-End Flux Shunts 2.5.3 Combination Stator Core-End Flux Screens and Flux Shunts 2.5.4 Stator Core-End Packet Stepping 2.5.5 Stator Core-End Tooth Slitting 2.5.6 Keybar Shorting Straps 2.6 Stator Core and Frame Forces. 2.7 Stator Windings2.7.1 Stator Winding Configuration and Installation Overview 2.7.2 Overview of Stator Winding Design Considerations 2.7.3 Fundamental Concepts 2.7.4 Winding Structure 2.7.5 Winding Specific Layouts 2.7.6 Basic Formulae 2.7.7 Conductor Bar Construction 2.8 Stator Winding Wedges 2.9 End-Winding Support Systems 2.10 Stator Terminal Connections 2.11 Rotor Forging 2.12 Rotor Winding 2.13 Rotor Winding Slot Wedges 2.14 Amortisseur (Damper) Winding 2.15 Retaining Rings 2.16 Bore Copper and Terminal Connectors 2.17 Slip/Collector Rings and Brush Gear. 2.18 Rotor Couplings2.19 Rotor Turning Gear 2.20 Bearings 2.21 Air and Hydrogen Cooling 2.21.1 Basic Cooling Arrangements 2.22 Rotor Fans 2.23 Hydrogen Containment 2.23.1 Journal-Type Hydrogen Seals 2.23.2 Thrust Collar-Type Hydrogen Seals 2.24 Hydrogen Coolers 2.25 Air Coolers 2.26 Water-Cooled Rotors References Chapter 3: Generator Auxiliary Systems 3.1 Lube-Oil System 3.2 Hydrogen Cooling System 3.3 Seal-Oil System 3.4 Stator Cooling Water System 3.4.1 System Components 3.4.2 Stator Cooling Water Chemistry 3.4.3 Stator Cooling Water System Conditions 3.5 Exciter Systems.