Reg No.:_

E1108 Pages: 3

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIFTH SEMESTER B.TECH DEGREE EXAMINATION(S), MAY 2019

Course Code: EE301

Course Name: POWER GENERATION, TRANSMISSION AND PROTECTION

Max. Marks: 100

b)

10 a)

PARTA
Answer all questions, each carries5 marks.
What are the limiting factors in tapping the wind and solar potential?
Explain the principle and causes of proximity effect and Ferranti effect using
appropriate figures
What are the critical voltages in the formation of Corona? What is the effect of
Corona?
With a neat cross sectional view show the constructional features of an EHT
Cable.
What are the essential qualities required by any insulating medium used for arc
quenching? What are the usual insulating media used?
Explain the significant features of a Microprocessor based relay.
What makes the differential protection very significant in the protection
schemes of electrical machines and transformers?
Calculate the voltage drop and Power loss for a radial load of 120A, 0.8 pf lag
supplied by a 6.6kV Three Phase system with a branch impedance of 2 +j2
ohms.
PART ‏تا‎
‎Answer any two full questions, each carries10 marks.
With a neat sketch explain the principle of working of a High Head Hydro-
electric Power Station.
An 80 km long transmission line has a series impedance of (0.15+j0.75) ohm
per km and a shunt admittance of j5.1 x 10° ohm per km. Find the A, B, C, D
parameters by Nominal Pi method.
Derive the inductance of a single phase transmission line with three
conductors arranged vertically in Side A and two conductors in Side B. The

distance between adjacent conductors in each Side is 6m and that between the

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Duration: 3 Hours

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