Electrical Machine-II

Synchronous Generator:

  1. Principle,
  2. Construction and types of synchronous machines,
  3. Methods of Excitation,
  4. Armature Windings,
  5. EMF Equation of Alternator,
  6. Armature Reaction,
  7. Testing (OC and SC test),
  8. Voltage Regulation,
  9. Phasor Diagram.
  10. Modified Phasor Diagram,
  11. Power Angle Characteristics,
  12. Parallel Operation,
  13. Effect of Change of Fuel supply and excitation on Alternator connected to infinite bus,
  14. Cooling of Synchronous Generator.

Synchronous Motor:

  1. Principle of operation,
  2. Equivalent circuit,
  3. Effect of Varying field current,
  4. V-curves,
  5. Inverted V-curves,
  6. Phasor Diagram,
  7. Staring of synchronous motors,
  8. Hunting,
  9. Applications.

Fractional Horse Power Motor:

  1. Introduction single phase Motor,
  2. Working Principle,
  3. Double Revolving field theory,
  4. Equivalent circuit,
  5. Starting Method and Types of Single Phase Induction Motors,
  6. Applications.

Special Motors:

  1. Single Phase Synchronous Motors,
  2. hysteresis motor,
  3. reluctance motor,
  4. Two Phase AC Servo Motor,
  5. Single Phase Series (Universal) Motor,
  6. Stepper Motor,
  7. Permanent Magnet DC Motor, etc,
  8. Applications.