Question Paper Code: 11246
B.E/B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014.
080280061 POWER SYSTEM PROTECTION AND SWITCHGEAR
Time : Three hours
Electrical and Electronics Engineering
(Regulation 2008)Maximum : 100 marks
Answer ALL questions,
PART A — (10* 2 = 20 marks)
1.Define the term PSM in relays.
2.What is a negative sequence relay.
3.Write the common non faults that occur in transformer.
4.Write the methods of common protection for transmission lines.
5.Define Rate of Rise of recovery Voltage.
6.What is current chopping?
7.What is a Vacuum circuit breaker?
8.Define the term Making Capacity of a circuit breaker.
9.Write the causes for over voltages in power system.
10.What is insulation co-ordination?
Full Name :Arumugam.P
College Name :SNS College of Technology
Subject Code :080280061
Subject Name : Power System Protection and Switchgear
Study Material Description :aaru edition 2014 QP
080280061 PSPS May June 2014 QP.pdf (Size: 1.12 MB / Downloads: 416)
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