DESIGN CONSIDERATIONS IN DISTRIBUTION SYSTEM

 DESIGN CONSIDERATIONS IN DISTRIBUTION SYSTEM

Good voltage regulation of a distribution network is probably the most important factor responsible for delivering good service to the consumers. 

For this purpose, design of feeders and distributors requires careful consideration. 

Feeders

A feeder is designed from the point of view of its current carrying capacity while the voltage drop consideration is relatively unimportant. 

It is because voltage drop in a feeder can be compensated by means of voltage regulating equipment at the substation.


Distributors 

A distributor is designed from the point of view of the voltage drop in it. 

It is because a distributor supplies power to the consumers and there is a statutory limit of voltage variations at the consumer's terminals (= 6% of rated value). 

The size and length of the distributor should be such that voltage at the consumer's terminals is within the permissible limits.


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