Electric machines : theory, operation, applications, adjustment, and control / Charles I. Hubert.

CONTENT


1. Magnetics, Electromagnetic forces, generated voltage, and energy conversion.
1.1 Introduction
1.2 Magnetic field.
1.3 Magnetic circuit defined.
1.4 Reluctance and the magnetic circuit equation.
1.5 Relative permeability and magnetization curves.
etc.

2. Transformer principles.
2.1 Introduction
2.2 Construction of power and distribution transformers
2.3 Principles of transformer action.
2.4 Transformers with sinusoidal voltages
2.5 N-load conditions
etc.

3. Transformer connections, operation, and specialty transformers.
3.1 Introduction.
3.2 Transformer polarity and standard markings.
3.3 Transformers nameplates.
3.4 Autotransformers
3.5.Buck-boost transformers
etc.

4 Principles of three-phase induction motors
4.1 Introduction.
4.2 Introduction-motor action.
4.3 Reversal of rotation
4.4 Induction-motor construction.
4.5 Synchronous speed
etc.

5. Classification, performance, application, and operation of three phase induction machines.
5.1 Introduction
5.2 Classification and performance characteristics of NEMA design squirrel-cage induction motors .
5.3.NEMA tables
5.4 Motor performance as a function of machine parameters, slip and stator voltage.
5.5 Shaping the torque-speed characteristic.
etc.

6. Single-phase induction motors.
6.1 Introduction
6.2 Quadrature field theory and induction- motor action
6.3 Induction-motor action through phase splitting
6.4 Locked-rotor torque
6.5 Practical resistance-start split-phase motors.
etc.

7 Specialty machines
71. Introduction
7.2 Reluctance motors.
7.3 Hysteresis motors
7.4 Stepper motors
7.5 Variables Reluctance stepper motors
etc.

8. Synchronous motors
8 Introduction
8.2 Construction
8.3 Synchronous motor starting
8.4 Shaft load, power angel, and developed torque
8.5 Counter-EMF and armature-reaction voltage.
etc.

9 Synchronous generators (alternators)
9.1 Introduction
9.2 Motor-to generators
9.3 Synchronous-generator power equation
9.4 Generators loading and countertorque
9.5 Load, power factor, and the prime mover.
etc.

10 Principles of direct-current machines.
10. Introduction
10.2 Flux distribution and generated in an elementary DC.
10.3 Commutation
10.4 Construction
5 Layout of a simple armature winding.
etc.

11. Direct-current motor characteristics and applications.
11.1 Introduction
11.2 Straight shunt motors
11.3 Compound motors
11.4 Beware the differentials connection
11.5 Reversing the direction of rotation of compound performance
etc.

12. Direct-current generator characteristics.
12.1 Introduction
12 .2 Self- excited shunt generators
12.3 Effect of speed on voltage build-up of a self-excited generator
12.4 Other factors affecting voltage build-up
12.5 Effect of a short circuit on the the polarity of a self-excited shunt generator
etc.

13. Control of electric motors
13.1 Introduction
13.2 Controller compounds
13.3 Motors-overload protection
13.4 Controller diagrams
13.5 Automatic shutdown on power failure

Includes Index: p.591-604