1. A 2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the distributor is 500 metres and the loads are tapped off from the end A as shown below: Load : Distance : 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 1-73 x 10*2m. 100 A 60 A 40 A 100 A 50 m 150 m 250 m 400 m [1-06 cm' ; 250 m from Al

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1. A 2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the
distributor is 500 metres 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 1-73 x 10* 2 m.
[1-:06 cm' ; 250 m from A
Transcribed Image Text:1. A 2-wire d.c. distributor A B is fed at both ends at the same voltage of 230 V. The length of the distributor is 500 metres 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 1-73 x 10* 2 m. [1-:06 cm' ; 250 m from A
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