Phasor diagram and frequency response curve

1. 1. Define the following terms.

      1. Magnetomotive force

   2. Write comparison between Magnetic and Electric Circuits

   3. Draw and explain B-H curve of a magnetic and non-magnetic material.

3. .

   1. Explain in detail about B-H curve of a magnetic material.

4. 1. Explain about the practical application of

      1. Shunt Motor

      6. Synchronous Motor

      7. Alternator
5. 2. Breifly explain about the classification, construction and working principle of rotating electrical machines.

   3. Briefly explain about the practical applications of Electrical Machines.

7. .

   1. With neat circuit diagram, phasor diagram and frequency response curve, explain about parallel resonance circuit.

   3. 3. Kirchhoff’s Laws

8. .

(b) Briefly explain the Comparison of different types of Power Plant.

(c) Draw the Block diagram of Thermal power plant and explain its working.

(d) Give the Classification of Hydro Electric Power Plants based on Head & Water flow Regulation.

11 (a) Explain main components of diesel electric power plants.

(v) Fission (VI) Fusion

12. (a) Explain the construction & working operation of Gas-Turbine plant.

13. (a) Explain the Construction & working principle of solar photovoltaic cell with neat & clean diagram.

(b) Define wind power & explain maximum power will it.

(i) Pragati Model (ii) Deenbandhu Bio-Gas

(c) Why solar heating are used for buildings? Explain methods for it

(d)Explain two-wire D.C. system with mid-point earthed and also three-wire D.C system for overhead cable.

16. (a) Write short notes on:

17. (a) Write down the calculation of efficiency and regulation for medium transmission line. Explain with proper phasor diagram.

(b) What is distribution system and also explain the feeder, distributor and service main for D.C. distribution system. Explain with neat and clean diagram.

(c) Write down the comparison between overhead and underground transmission line.

(d) Short notes on:

(c) Define and explain the significance of the following terms with illustration:

(i) Load Factor ii. Plant Factor iii. Demand factor

(i) Real Power (ii) Reactive Power (iii) Apparent Power

(b) What is power factor? Explain the causes & effect of low power factor. And also write down the Advantages of power factor improvement.

(c) What are the static VAR system and also explain static VAR scheme in detail.

(d) Write down the advantageous and applications of static VAR system

(ii) Disruptive critical voltage and visual critical voltage.

(d) What do understand by corona loss? Explain the condition and factor affecting corona loss.

(b)Explain the two transistor analogy of thyristor.

(c)Discuss over voltage protection in relation to SCR.

26. (a)Sketch and explain the circuit diagram of 3-Φ fully controlled convertor with relevant waveforms for resistive load.

(b)Discuss the different methods of turn-off of SCR.

(iii) Single Phase Capacitor start Capacitor Run Induction Motor

(iv) Single Phase Shaded Pole Induction Motor

29. (a) Explain the Unit Impulse and Unit Step function with their graph.

(b) Explain the Unit Ramp and Parabolic function.

(c) Write down the important key point of to solve the block diagram reduction techniques.