Problem – Voltage drop • A 230 V radial distributor is 70 m long and has a resistance of 0.0008 Ω /m supply and return. Four loads A, B, C and D rated at 30, 45, 60 and 80 A are fed from the cable at distances of 20, 10, 15 and 25 m, respectively. Calculate the total current drawn from the supply, the current in the cable between each of the loads and the voltage at load D if all the loads are connected.

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Q: Dr. Kanaan A. Jalal University of Technology/ Dept. of Flectrical Eng. H.W Q) For the circuit shown.…

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Q: please write introduction of Study of transformers

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Q: 1-X 2-X X-2 E-X -4, X-3 DH X4 H-4 H-Z H3 X-4 1-X [-I E-1 1-3 1-2 1-L (H EH H4

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Distribution System

The final stage in the delivery of the electric power is the electric power distribution system. From the transmission system to the individual customers it carries electricity. The distribution system is connected with the transmission system and is used to lower the voltage of the transmission to medium voltage in the range of 2 kV to 35 kV with the help of transformers. This medium voltage to the distribution transformers located near the customer's premises is carried by the primary distribution system lines. These distribution transformers in turn lower the voltage to utilization voltage used in lightings, household appliances, industrial equipments etc. Through secondary distribution lines often several customers are supplied from one transformer. It is through service drops, the commercial and residential customers are connected to the secondary distribution system lines. Customers who demand a larger amount of power can be connected directly to the primary distribution system level or the sub-transmission level.