Handbook of Large Hydro Generators (inbunden)
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Format
Inbunden (Hardback)
Språk
Engelska
Antal sidor
672
Utgivningsdatum
2021-02-25
Förlag
John Wiley & Sons Inc
Dimensioner
231 x 157 x 33 mm
Vikt
908 g
Antal komponenter
1
ISBN
9780470947579
Handbook of Large Hydro Generators (inbunden)

Handbook of Large Hydro Generators

Operation and Maintenance

Inbunden Engelska, 2021-02-25
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This book is a practical handbook for engineers and maintenance staff responsible for the upkeep of power generating stations that use salient pole electric machines. The contents include real-world examples such as large vertical hydro generators, as well as related problems and solutions. This coverage encompasses the design, modernization, inspections, maintenance, and operation of salient pole machines. This book will serve as a rare resource for practicing engineers and students.
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Övrig information

GLENN MOTTERSHEAD, PEng, is a Principle Engineer at HDR and an IEEE Life Member, has served on numerous IEEE electric machinery committees and standards working groups, with 45 years of experience in all aspects of design, installation, testing, troubleshooting, modernizing and uprating of large synchronous generators. STEFANO BOMBEN, PEng, is a large hydro generator engineer specialist in Ontario, Canada, with over 29 years of experience at a major Ontario utility. His experience includes new generator specifications and installations, rewinds, failure repairs, testing, troubleshooting, and maintenance practices. He has served on numerous IEEE committees and standards working groups relating to large hydro generators and insulation systems. ISIDOR KERSZENBAUM, PHD, is a generator specialist in Irvine, CA, consulting with power plants on operation, maintenance, and troubleshooting of large motors and generators. He is also an IEEE Fellow. GEOFF KLEMPNER, PEng, is a large generator engineer specialist in the power industry and has served on numerous IEEE committees and standards working groups for large generators. He is also an IEEE Fellow and a contributor to CIGRE on large rotating electrical machines.

Innehållsförteckning

1 PRINCIPLES OF OPERATION OF SYNCHRONOUS MACHINES 9 1.1 INTRODUCTION TO BASIC NOTIONS ON ELECTRIC POWER 10 1.1.1 Magnetism and Electromagnetism 10 1.1.2 Electricity 12 1.2 ELECTRICAL-MECHANICAL EQUIVALENCE 12 1.3 ALTERNATING CURRENT (AC) 13 1.4 THREE-PHASE CIRCUITS 15 1.5 BASIC PRINCIPLES OF MACHINE OPERATION 15 1.5.1 Faraday's Law of Electromagnetic Induction 16 1.5.2 Ampere-Biot-Savart's Law 16 1.5.3 Lenz's Law of Action and Reaction 16 1.5.4 Electromechanical Energy Conversion 17 1.6 THE SYNCHRONOUS MACHINE 17 1.6.1 Background 17 1.6.2 Principles of Construction 18 1.6.3 Rotor Windings 19 1.6.4 Stator Windings 19 1.7 SYNCHRONOUS MACHINE - BASIC OPERATION 20 1.7.1 Magnetic Representation 20 1.7.2 Generator Mode - Steady-State Using Vectors 21 1.7.3 System Support - Reactive Power 22 1.7.4 Motor Operation 22 1.7.5 Equivalent Circuit 23 1.7.6 Machine Losses 24 2 GENERATOR DESIGN AND CONSTRUCTION 27 2.1 STATOR CORE 28 2.1.1 Laminations 28 2.1.2 Lamination - Slot and Yoke Section 29 2.1.3 Core Piling (stacking) and Clamping 30 2.2 STATOR FRAME 33 2.3 ELECTROMAGNETICS 35 2.4 CORE-END HEATING 38 2.5 FLUX AND ARMATURE REACTION 38 2.6 STATOR CORE AND FRAME FORCES 40 2.7 STATOR WINDINGS 41 2.8 STATOR WINDING WEDGES 45 2.9 ENDWINDING SUPPORT SYSTEMS 48 2.10 STATOR WINDING CONFIGURATIONS 49 2.11 STATOR TERMINAL CONNECTIONS 49 2.12 ROTOR RIM 50 2.13 ROTOR SPIDER/DRUM 56 2.14 ROTOR POLE BODY 57 2.15 ROTOR WINDING AND INSULATION 59 2.16 AMORTISSEUR WINDING 61 2.17 SLIP/COLLECTOR RINGS AND BRUSH GEAR 62 2.18 COOLING Air 62 2.19 ROTOR FANS/BLOWER 63 2.20 ROTOR INERTIA, TORQUE, AND TORSIONAL STRESS 64 2.21 THRUST AND GUIDE BEARINGS 66 2.21.1 Introduction 66 2.21.2 Important Concepts 67 2.21.3 Thrust Bearings 68 2.21.4 Thrust Bearing Pressure 70 2.21.5 Guide Bearings 70 2.21.6 Deterioration and Failure of the Bearing Surface 72 3 GENERATOR AUXILIARY SYSTEMS 79 3.1 OIL SYSTEMS 80 3.2 STATOR SURFACE AIR COOLING SYSTEM 82 3.2.1 Construction 82 3.2.2 Function 83 3.2.3 Replacement Surface Air Coolers 83 3.2.4 Maintenance 84 3.3 BEARING COOLING COILS AND WATER SUPPLY 84 3.4 STATOR WINDING DIRECT COOLING WATER SYSTEM 85 3.4.1 System Components and Functions 85 3.5 EXCITATION SYSTEMS 87 3.5.1 Types of Excitation Systems 87 3.6 EXCITATION SYSTEM PERFORMANCE CHARACTERISTICS 88 4 OPERATION AND CONTROL 91 4.1 BASIC OPERATING PARAMETERS 92 4.1.1 Machine Rating 93 4.1.2 Apparent Power 93 4.1.3 Power Factor 94 4.1.4 Real Power 95 4.1.5 Terminal Voltage 96 4.1.6 Stator Current 96 4.1.7 Field Voltage 96 4.1.8 Field Current 96 4.1.9 Speed 97 4.1.10 Short-Circuit Ratio 97 4.1.11 Volts per Hertz 97 4.2 OPERATING MODES 99 4.2.1 Shutdown 99 4.2.2 Field Applied Offline (Open Circuit) 99 4.2.3 Synchroniz