The two loads in Figure P16-20 draw apparent powers of (left|S_{1}ight|=50 mathrm{kVA}) at a lagging power factor

Question:

The two loads in Figure P16-20 draw apparent powers of $\left|S_{1}ight|=50 \mathrm{kVA}$ at a lagging power factor of 0.72 and | $S_{2} \mid=25 \mathrm{kVA}$ at unity power factor. The voltage across the loads is $3.8 \mathrm{kV}$ and the line has an impedance of $Z_{\mathrm{W}}=5+j 26 \Omega /$ wire. Find the apparent power produced by the source and the rms value of the source voltage.

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