Distributors are designed from the point of view of

A. Its current carrying capacity 
B. Voltage Drop in it 
C. operating Voltage 
D. Operating Frequency 

Answer: A. Its current carrying capacity 

Explanation:
  • Feeders are the conductors which have a large current carrying capacity
  • The feeders connect the substation to the area where power is to be finally distributed to the consumers.
  • It feeds to power end distributor
  • No tapings are taken from the feeders
  • The feeder current always remains constant
  • The voltage drop along the feeder is compensated by compounding the generator
Feeder:
  • A line or conductor which connects the major substations to the distributor is known as a feeder.
  • It feeds the electrical power to the distributor.
  • Since no tapping is taken from the feeder, generally it carries the same current through its length.
  • The current carrying capacity is the main consideration taken into account while designing a feeder.
Distributor:
  • A line or conductor to which various consumers are connected through service mains is known as a distributor.
  • It is distributed electrical power among various consumers. thus s number of tappings are taken from the distributor.

Service mains:
  • A line that connects the consumer to the distributor is known as service mains.
  • It is designed as per the connected load of the consumer.
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