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A 3-φ Y connected source supplies 12 kVA with a power factor of 0.8 lagging to a parallel

A 3-φ Y connected source supplies 12 kVA with a power factor of 0.8 lagging to a parallel combination of a Y load and a Δ load. If the Y load consumes 5.6 kVA at a power factor of 0.75 lagging and has phase-a current of 8 Arms and the angle of the current is -30°, determine the phase impedance of the Δ load. 

Real part of the impedance of the Δ load in Ohms: 

Imaginary part of the impedance of the Δ load in Ohms:

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