10000EE405122001

(c) Type of supply required

(d) | Number of light and power sub circuits

(e) The details of the distribution board

Select the requirements of light, fan and plug sockets in each room as per the

standards. Any missing data may be assumed

Toilet Work area Store room
Dinning room
Bed room
kitchen
Living room
Bed room Bed room
toilet Sit out toilet
Car porch
PART ^

Answer any two full questions, each carries 10 marks.

12 a) A substation has to be installed in a residential complex having a load of SOkVA,

13

b)

taking supply from a nearby 11kV line. Which type of substation must be chosen
for this application? List out the materials required for the installation of this
substation.

Why it is important to perform pre-commissioning test before energising a
substation? Discuss any three pre-commissioning tests for transformers.

A 500kVA, 11kV/433V delta-star connected transformer is installed in an

(6)

(4)

(10)