A three-phase load is configured as shown in Figure P16(3 underline{0}) with (Z_{mathrm{Y}}=10-j 5 Omega) and (Z_{Delta}=60-j

Question:

A three-phase load is configured as shown in Figure P16$3 \underline{0}$ with $Z_{\mathrm{Y}}=10-j 5 \Omega$ and $Z_{\Delta}=60-j 15 \Omega$.
(a) Find the equivalent $Z_{\mathrm{Y}}$ load.
(b) The combined load is connected to a balanced Y-connected three-phase source with $\mathbf{V}_{\mathrm{AN}}=300 \mathrm{~V}$ (rms). Find the load currents.

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