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A 2-wire d.c. distributor AB is fed at both ends at the same voltage of 230...

A 2-wire d.c. distributor AB is fed at both ends at the same voltage of 230 V. The length of the distributor is 500 meters and the loads are tapped off from the end A as shown below:
Load: 100 A 60 A 40 A 100 A
Distance: 50 m 150 m 250 m 400 m
If the maximum voltage drop of 5.5 V is to be allowed, find the X-sectional area of each conductor and point of minimum potential. Specific resistance of conductor material may be taken as 1.73x10^-8 Ohm m.
Engineering   Electrical-Engineering   
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