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Three-phase lines, each with an impedance of 0.8 +13.0 22. deliver 112 kVA at a power factor of 0.9, lagging, and at 1 kV

Three-phase lines, each with an impedance of 0.8 +13.0 22. deliver 112 kVA at a power factor of 0.9, lagging, 

Three-phase lines, each with an impedance of 0.8 +13.0 22. deliver 112 kVA at a power factor of 0.9, lagging, and at 1 kV to a balanced three-phase load (a) Draw a per-phase schematic for the system, representing the load as generic branch element (b) Determine the total three-phase complex power delivered to the sending end of the lines (c) Determine the total three-phase real power lost in the lines.

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