Semester : SEMESTER 7
Subject : Electrical system design
Year : 2018
Term : MAY
Scheme : 2015 Full Time
Course Code : EE 405
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G1057 Pages: 2
2 lamps, 2 PP,
3 Plugs 2 lamps, 2 plugs,
Kitchen 2 lamps, 2 plugs, 1 PP, 1ನಾಗ
1 PP, 2 Fans
Bed Room1
Street Road
2 lamps, 2 plugs,
1 PP, 1Fan 2 lamps, 1Fan
Bed Room2 Sitout
PART C
Answer any two full questions, each carries 10 marks.
What are the advantages and disadvantages of an outdoor type substation over an
indoor type substation?
What are the classifications of the substations according to its functions?
Design a wiring plan for installing a 75112 induction motor in an industry.
How do you select the starter for the above Induction motor of 0.8pf, 75%
efficiency? Explain.
How do you design an earth mat in substation? Explain its importance.
What are most common test in UG cables? Explain.
PART D
Answer any two full questions, each carries 10 marks.
What is energy conservation techniques imposed in buildings? Mention its necessity.
Distinguish between continuous power, prime power and standby power related with
standby generator.
Explain rising mains and rising buses in high rise buildings.
Explain the various design parameters taken into consideration while designing
street lighting and flood lighting.
Explain with suitable line diagram, how standby generators can include in existing
electrical supply system. Assume HT consumer connection.
Write short notes on generator installation and its protection.
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