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A balanced three-phase delta-connected load is connected to a balanced three-phase delta-connected source via a transmission line....

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Electrical Engineering

A balanced three-phase delta-connected load is connected to abalanced three-phase delta-connected source via a transmissionline. The line-line voltage for the source is 100∟0° V/phase andthe impedance of load is (27 + j18) Ω/phase. The transmission linehas an impedance of (1 + j4) Ω/line.

a) Draw the complete schematic of the power system showing thelocation of wattmeters. (Two-Wattmeter system is considered forthis problem). Phase “a” could be considered as a referencephase.

b) What must be the readings on the two wattmeters?

c) What is the total power supplied to the load.

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