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Course Weekly Lecture Plan

Week Topic
1 1. Introduction, brief outline and the main purpose of this course. Synchronous machines: types and construction, excitation methods,

2. Induced voltage and induced torque in AC machines, the effect of coil pitch, distributed windings in AC machines.

3. Internal generated voltage of a synchronous generator, equivalent circuit, phasor diagram, power and torque in synchronous generators.

4. Synchronous generator model parameters, short circuit ratio, synchronous generator operating alone.

5. Parallel operation of AC generators, frequency-power and voltage-reactive power characteristics, operation of generators with large power systems.

6. Transient stability of synchronous generators, short circuit transients, voltage, speed, frequency, apparent power, and power factor rating.

7. Effect of salient poles: Direct- and quadrature- axis theory, determination of equivalent circuit, power angle characteristics of salient-pole machines.

8. Synchronous Motors: principles of operation, equivalent circuit, torque-speed curve, effect of field current changes on synchronous motor characteristics, power factor correction, synchronous capacitor or synchronous condenser, starting synchronous motors.

9. DC machinery fundamentals, teh induced voltage and induced torque in a rotating loop, commutation and armature construction, different winding connections, lap, wave and frog leg windings.

10. Armature reaction, commutation effects, compensation windings, losses in DC machines.

11. The equivalent circuit of a DC motor, magnetization curve, seperately excited and shunt DC motors.

12. Terminal characteristics of a DC shunt motor, speed control, permanent magnet DC motor.

13. The series DC motor, terminal characteristics, speed control, Compounded DC motor: cumulatively compounded, differentially compounded, torque-speed characteristic.

14. Starting of DC motors, Ward-Leonard system and solid-state speed controllers, DC generators: seperately excited and shunt DC generators, voltage build up in shunt generators, terminal characteristics of seperately excited and shunt DC generators, series connected DC generator, cumulatively and differentially compounded DC generators.
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