Electrical Technology

Front Cover
Technical Publications, Jan 1, 2008 - 550 pages
3 Reviews
D.C. MachinesPrinciple of operation of DC machines - EMF equation - Types of generators-Magnetization and load characteristics of DC generators.D.C. MotorsDC motors-Types of DC motors-Characteristics of DC motors-3-point starters for DC shunt motor-Losses and efficiency-Swinburne's test-Speed control of DC shunt motor-Flux and armature voltage control methods.TransformersPrinciple of operation of single phase transformer-Types-Constructional features-Phasor diagram on no load and load-Equivalent circuit.Performance of TransformersLosses and efficiency of transformer and regulation-OC and SC tests-Predetermination of efficiency and regulation (Simple problems).Three Phase Induction MotorPrinciple of operation three-phase induction motors-Slip ring and squirrel cage motors-Slip-Torque characteristics-Efficiency calculation-Starting methods.AlternatorsAlternators-Constructional features-Principle of operation-Types -EMF equation-Distribution and Coil span factors-Predetermination of regulation by synchronous impedance method-OC and SC tests.Single Phase Induction MotorsPrinciple of operation-Shaded pole motors-Capacitor motors, AC servomotor, AC tachometers, Synchros, Stepper motors-Characteristics.Electrical InstrumentsBasic principles of indicating instruments-Moving coil and moving iron instruments (Ammeters and Voltmeters).
 

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Electrical technology

Contents

ChapteM aC Senerafors 11to154
1
I f 2 1 to 2 78
2-1
Examples with Solutions 3 34
3-34
Review Questions 340
3-40
Qhapter5 Three Phase Induction Motors 5 1 to 5
5-80
liiter8 Alternators 61 to 6
6-1
t
6-8
Examples with Solutions 6 50
6-50
f VTl
7-14
Chapter8 Electricaiinstruments 8 1 to 8
8-1
Appendix A Special Motors I 1 1 A 1toAt8
A-1
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