A EE ۲ :2
06000EE301122001 ages
Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
Fifth Semester B.Tech Degree (S,FE) Examination January 2022 (2015 Scheme)

Course Code: EE301
Course Name: POWER GENERATION, TRANSMISSION AND PROTECTION
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 Suppose a power station has to meet the following demands : (5)

Group A : 200 kW between 10 AM and 8 PM

Group B : 100 kW between 6 AM and 10 AM

Group ಛಿ : 50 kW between 7 AM and 11 AM

Group ‏مآ‎ : 100 kW between 8 AM and 4 PM and then between 6 PM

and 6 AM

Plot the daily load curve and hence determine the number of units

generated per day.
2 A two-conductor single phase transmission line operates at 50112. Diameter of (5)

each conductor is 20mm and the spacing between the conductors is 3m. Calculate

loop inductance of line/km and inductive reactance/km.

3 With the help of a diagram, explain what do you mean by an ACSR conductor. (5)

What are its advantages?
4 Analyse any five advantages of HVDC systems over HVAC systems. (5)
5 Define RRRV. Derive an expression for it. (5)
6 With the help of a neat diagram, explain the working of a thermal relay. (5)
7 Discuss the different causes of over voltages. (5)
8 With the help of a neat diagram, illustrate how stator inter turn protection of an (5)

alternator is done.

PART B
Answer any two full questions, each carries 10 marks.

9 With the help of a block diagram, explain the working of a wind energy (10)

conversion system. Discuss about any four disadvantages of wind power.

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