Chapter 1 DC Electrical Machines
1.1 Types of DC Electrical Machines
1.1.1 Brushed DC Electrical Machine
1.1.2 Brushless DC Electrical Machine (BLDC)
1.2 Construction of DC Electrical Machines
1.2.1 Stator
1.2.2 Rotor
1.3 Principle of DC Electrical Machines
1.3.1 Operation of DC Generators
1.3.2 Operation of DC Motors
1.3.3 Reversibility of DC Electrical Machines
1.4 Stable and Interim Operation of DC Motors
1.4.1 Stable Operation
1.4.2 Interim Operation
1.5 Working Characteristics of DC Generators
1.5.1 Basic Relationships
1.5.2 Self-excitation Process of Shunt Generators
1.5.3 Operation Characteristics of DC Shunt Generators
1.6 Aero DC Electrical Machines
1.6.1 Starting Generator
1.6.2 Aero Brushless DC Motors
1.7 Use and Maintenance
1.7.1 Armature Reaction
1.7.2 Commutation
1.7.3 Nameplate
1.7.4 Troubleshooting
Summary
Problems
Chapter 2 Transformers
2.1 Single-phase Transformer
2.1.1 Construction
2.1.2 Basic Operation Principle
2.2 Three-phase Transformer
2.2.1 Construction
2.2.2 Working of Three-phase Transformer
2.2.3 Three-phase Transformer Connections
2.2.4 Advantages/Disadvantages of Three-phase Transformers
2.3 Instrument Transformers
2.3.1 Current Transformer (C.T.)
2.3.2 Potential Transformer (P.T.)
2.4 Use and Maintenance
2.4.1 Ratings
2.4.2 Dotted Terminals
2.4.3 Troubleshooting
Summary
Problems
Chapter 3 Asynehronons Induction Motors
3.1 Three-phase Induction Motor
3.1.1 Construction
3.1.2 Operation Principle
3.2 Type DT-1 Aero Gyro Motor
3.3 Single-phase Induction Motors
3.3.1 Construction
3.3.2 Operating Principle
3.4 Use and Maintenance
3.4.1 Ratings
3.4.2 Cautions for Using Asynchronous Motors
3.4.3 Troubleshooting
3.4.4 Methods of Judging Dotted Terminals
Summary
Problems
Chapter 4 Synchronous Generators
4.1 Basic Principle of Synchronous Generators
4.2 Structure of Synchronous Generators
4.2.1 Stator
4.2.2 Rotor
4.3 Aero Synchronous Brushless Generators
4.3.1 CSCF and VSCF Synchronous Generator Systems
4.3.2 Working Principle of a CSCF Synchronous Generator ..
4.3.3 A Typical Aero Synchronous Generator System
4.4 Use and Maintenance
4.4.1 Ratings
4.4.2 Maintenance
Summary
Problems
Chapter 5 Controlling Motors
5.1 Servo Motors
5.1.1 Types of Servo Motors
5.1.2 Aero DC Servo Motor
5.1.3 Servo Motor SF-2
5.2 Aero Three-phase Synchronous Motor
5.2.1 Composition
5.2.2 Basic Operation Principle
5.2.3 Starting
5.3 Hysteresis Motors
5.3.1 Operation Principle
5.3.2 Properties of Hysteresis Motors
5.4 Aero Taehogenerator
5.4.1 Basic Composition
5.4.2 Basic Operation Principle
5.5 Synchros (Selsyns)
5.5.1 Synchro Classification
5.5.2 Schematic Symbols
5.5.3 Synchro Construction
5.5.4 Typical Aero Synchro Systems
Summary
Problems
Appendix Experiments and Practical Trainings
Experiment 1 Operation of DZSZ-1 Electrical Machinery Test Bench
Experiment 2 Starting of a Separately Excited Motor
Experiment 3 Characteristics of DC Generators
Experiment 4 AC Servo-motors
Practical Training 1 Turn Ratio Measurement of a Transformer
Practical Training 2 Operation of Three-phase Induction Motors
References