AE10 ELECTRICAL ENGINEEING       

 

1.         Transformers                                                                                                  8 hours

 

1.1        Construction and working principles.

1.2        Equivalent circuit.

1.3        Regulation and efficiency.

1.4        Parallel operation.

1.5        Three-phase connections.

1.6        Variable frequency operation.

1.7        Pulse transformers.

1.8        Applications.

 

I [3]

 

2.         Synchronous Machines                                                                                  6 hours

 

2.1        Construction and working principles of generators.

2.2        Steady state characteristics.

2.3        Effect of saliency.

2.4        Synchronous motors.

2.5        Application of Synchronous machines.

 

I [8]

 

3.         DC Machines                                                                                                  6 hours

 

1.1               Construction and working principles.

1.2               Characteristics of different types of generators and motors.

1.3               Armature reaction and commutation.

1.4               Starting.

1.5               Speed control.

1.6               Application of dc motors.

 

I [7]

 

4.         Induction Machines                                                                                        8 hours

 

4.1   Construction and working principle of three phase induction motors.

4.2   Rotating magnetic field.

4.3   Equivalent circuit.

4.4   Torque-speed characteristics.

4.5   Starting.

4.6   Speed control.

4.7   Generator operation.

4.8   Single phase induction motors.

4.9   Applications.

 

I [9]

 

5.         Special Machines                                                                                            8 hours

 

5.1               Machines in control systems.

5.2               Synchros and servomotors.

5.3               AC tachometers.

5.4               Stepper motors.

5.5               Hysterisis motors.

5.6               Switched reluctance motors.

5.7               Universal motors.

5.8               Applications.

 

I [10]

 

6.         Generation                                                                                                      8 hours

 

6.1        Different types of generating stations- Thermal, Hydro and Nuclear, choice of system.

6.2               Cogeneration.

6.3               Gas turbines and diesel generators.

6.4               Renewable sources- solar and wind.

6.5               Energy conservation.

 

II [1]

                                                          

7.         Transmission and Distribution                                                                       8 hours

 

7.1               Choice of voltage for transmission and distribution.

7.2               Characteristics of overhead lines and cables.

7.3               Voltage regulation.

7.4               HVDC transmission.

7.5               Protection system.

7.6               Switch gear and relays.

7.7               Carrier current protection and communication.

7.8               Inductive interference.

 

II [5, 14, 15, Appendix F]

 

8.         Energy Storage Systems and Utilisation                                                        8 hours

 

8.1               Accumulators.

8.2               Lead acid and nickel cadmium cells.

8.3               Button cells for low power applications.

8.4               Electric heating and welding processes and their control.

8.5               Industrial drives and their control (including solid state controllers).

 

III

 

 

Text Books

 

I.                   I.J.Nagrath and Kothari, ‘Electric Machines’, Tata Mc Graw Hill, 2nd Edition, New Delhi (1999)

II.                 I.J.Nagrath and Kothari, ‘Power System Engineering’, Tata Mc Graw Hill, New Delhi (1994)

III.             E.O.Taylor, ‘Utilisation of Electric Energy’, Orient Longmans, Bombay(1989).

 

Reference Books

 

1.       H.Cotton, ‘Advanced Electrical Technology’, Sir Isaac Pitman and Sons, London (1974).

2.       H.Cotton, ‘Transmission and Distribution of Electric Energy’, B. I. Publishers, New Delhi(1998)

3.       P.C.Sen, ‘Principles of Electric Machines and Power Electronics’, Wiley Eastern (1987).