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GTU Electrical and Electronic Engineering (Semester 8)
Testing And Installation Of Electrical Equipments And Systems
December 2014
Testing And Installation Of Electrical Equipments And Systems
December 2014
1 (a)
What is electrical shock? Distinguish between primary shock and secondary shock. Write the causes behind severity of shock
7 M
1 (b)
Explain the seven principles of safety management in electrical plants.
7 M
2 (a)
State the causes of disturbances in power quality and their effects on power quality.
7 M
Answer any two question from Q2 (b) or Q2 (c)
2 (b)
State the principle of DC Insulation Resistance Measurements. Describe the Megger and procedure of its use.
7 M
2 (c)
Describe Oscillographic tests on electrical equipment. Give example of a typical test record.
7 M
Answer any two question from Q3 (a), (b) or Q3 (c), (d)
3 (a)
Write IEEE recommended practice for monitoring Electric Power Quality.
7 M
3 (b)
What is the significance of lightning impulse tests? Describe the test set-up and test procedure.
7 M
3 (c)
Explain the second characteristic numeral in the standard designation of cooling system.
7 M
3 (d)
Explain the procedure of making the rotating machine ready for installation.
7 M
Answer any two question from Q4 (a), (b) or Q4 (c), (d)
4 (a)
State the checks to be carried out at site prior to commissioning.
7 M
4 (b)
What is synchronizing of a synchronous generator with bus bars ? What are the required conditions for instant of synchronizing?
7 M
4 (c)
Describe the construction of Substation Structures .Explain the method of their erection and maintenance.
7 M
4 (d)
State the various steps in the Drying-out of a Motor or a Generator.
7 M
Answer any two question from Q5 (a), (b) or Q5 (c), (d)
5 (a)
Describe the connections between Generator, Main Transformer and Auxiliary Transformer for unit connection in a typical power plant.
7 M
5 (b)
Describe various methods of installing Power Cables.
7 M
5 (c)
State the merits of Back to Back HVDC coupling Station. Describe a typical Layout of Back to Back HVDC Coupling Station.
7 M
5 (d)
Explain the principle and function of VT and Capacitor Voltage Transformer (CVT).
7 M
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