EE8602 Important Questions Protection and Switchgear Regulation 2017 Anna University

EE8602 Important Questions Protection and Switchgear

EE8602 Important Questions Protection and Switchgear Regulation 2017 Anna University free download. Protection and Switchgear Important Questions EE8602 pdf free download.

Sample EE8602 Important Questions Protection and Switchgear

2
What are the different types of faults? Discuss the
consequence of faults on a power system (13)
CO1
BTL 4 Analyze
3
List the causes of faults in different equipment’s in a
sample system (13)
CO1
BTL 2 Understand
4
Explain in detail about the various methods of
overvoltage protection of overhead transmission line.
EE8602 Important Questions Protection and Switchgear
Explain in detail about the need and different methods
for neutral grounding with suitable diagram. (13)
CO1
BTL 3 Apply
6
(i) Explain different types of earthing the neutral point of
the power system (7)
(ii) Formulate an expression for the reactance of the
Peterson coil in terms of capacitance of the protected
line. (6)
EE8602 Important Questions Protection and Switchgear
Describe in detail about the Peterson coil? List the
protective functions performed by this device. (13)
CO1
BTL 1 Remember
8
A 132 kV, 3-phase, 50 Hz transmission line 200 km long
consists of three conductors of effective diameter 20 mm
arranged in a vertical plane with 4 m spacing and
regularly transposed. Find the inductance and kVA rating
of the arc suppression coil in the system (13)
EE8602 Important Questions Protection and Switchgear
(i) Describe the fundamental requirements of protective
Relaying. (7)
(ii) Differentiate between surge diverter and surge
absorber. Also explain the characteristics of an ideal
surge diverter. (6)
CO1
BTL 1,2
Remember
Understand
11
(i)List the causes of over voltage? (4)
(ii)Describe the protection scheme employed to protect
from lighting and switching effects. (9)
EE8602 Important Questions Protection and Switchgear
(i) List the causes of short circuits due to failure of
insulation on overhead conductors? (4)
(ii) Briefly explain about resistance earthing and
reactance earthing. (9)

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