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Electrical Applications 2 by David W. Tyler

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12 Transmission and distribution of electrical energy
value, that is, the values for both go and return conductors are
lumped together.
Radial system
Figure 1.16
A radial system for the distribution of electrical energy is shown in
Figure 1.16. A substation supplies consumers C through radial
distributors which fan out from the substation. A fuse or circuit
breaker protects each distributor. Some distributors have subsidiary
fuses which are of lower rating than the main fuse somewhere along
their length. In the event of a fault on the feeder the relevant fuse
clears leaving all consumers on that section without a supply. In
Figure 1.16 a fault Fl would caus