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G192057 Pages:2

Draw the single line diagram of pole mounted outdoor substation of 11kV/415V,
250kVA transformer showing all necessary parts based on loading.
What will the full load current for the above scheme?
PART D

Answer any two full questions, each carries 10 marks.
A shop 16m x 10m is illuminated with 200w incandescent lamps. If a CU of 0.8
and an MF of 0.75 are selected, and an illumination of 260lux is required at the
work place, calculate the number of luminaires required. Take the mounting
height as 2m.
What is energy conservation techniques imposed in buildings? Mention its
necessity.
Distinguish between continuous power, prime power and standby power related
with standby generator.
Write short notes on generator installation and its protection.

Explain design requirements of high rise buildings.

RE

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