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50 A small town with a demand of 800 kW of electric power at 220...

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50 A small town with a demand of 800 kW of electric power at 220 V is situated 15 km away from an electric plant generating power at 440 V The resistance of the two line wires carrying power is 0 5 22 km The town gets power from the lines through a 4000 230 V step down trans former at a substation in the town a Estimate the line power loss in the form of heat b How much power must the plant supply assuming there is negligible power loss due to leakage c Characterize the step up transformer at the plant C B S E Sample paper C B S E 2003

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