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For the following circuit determine (include and show all the steps): a. Total impedance in polar form b. Total current in polar form c. Phase angle between source voltage and total current d. Phasor diagram of voltage and currents in the circuit 2. A 13.2 kV, 60 Hz, single phase line connects a substation to an industrial load. The line has a resistance of 2.4 Ω and a reactance of 12 Ω. The metering equipment at the substation indicates that the line voltage is 12.5 kV and that the line is drawing 3 MW of active power and 2 Mvar of reactive power. Calculate showing all the steps: a. The current flowing in the line b. The active and reactive power consumed by the line c. The active, reactive an apparent power absorbed by the load 3. Draw (with phasors) the voltage relationships of a wye configuration in a 3-phase system. Prove in the graphical construction that E (line) = √3 E (phase). 4. The three-phase Δ connected generator represented in the following Figure is driving a balanced load such that each phase current is 10 A in magnitude. When Iθa = 10 < 30° A, determine the following: a. The polar expressions for the other phase currents b. The polar expressions for each of the line currents c. The complete current phasor diagram

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