Anna University Chennai 2010-8th Sem B.E Electrical and Electronics Engineering B , IL/ EE 1451- ELECTRIC ENERGY GENERATION, UTILISATION AND CONSERVATION - Question Paper

PART A [10x2= 20 marks]

1. provide the principle of working of geothermal power generation.

2. State the advantages of MHD power generation.

3. provide any 4 objectives of tariff.

4. describe the term power quality.

5. State the laws of illumination.

6. elaborate the properties of heating element materials?

7. What kind of motor is used for electric traction? Why?

8. provide any 2 advantages of electric traction.

9. describe continuous rating of motor.

10. Why is induction motor commonly preferred drive for industrial application?



PART B [5x16= 80 marks]

11.[a]With a neat diagram, discuss the main parts and working of a wind electric system.[16]

Or
[b][i]Write a note on distributed generation.[8]
[ii]Explain the main components and working of Tidal power plant.[8]

12.[a]Write short notes on:
[i]Need for electrical energy conservation.[6]
[ii]Energy management.[5]
[iii]Energy auditing.[5]
Or
[b]Explain the various methods of power factor improvement.[16]

13.[a][i]With necessary equations, define the design of heating element.[10]
[ii]Write about welding transformer and its characteristics.[6]
Or
[b][i]Describe the different steps involved in the design of illumination system.[8]
[ii]Describe the different aspects of residential lighting and street lighting.[8]

14.[a][i]Discuss the latest patterns in electric traction.[8]
[ii]Describe the various kinds of supply systems used for railway electrification.[8]
Or
[b][i]Write about mechanics of train movement.[8]
[ii]Discuss the working of D.C. series motor control in detail.[8]

15.[a]Explain steady state and transient characteristics of drives.[16]
Or
[b]What do you understand by the term load equalization? Derive the expression for motor torque in case of motor fitted with the flywheel when load is increasing.[16]

Earning:   Approval pending.