A single-phase power system is shown in figure p3-1 the


A single-phase power system is shown in Figure P3-1. The power source feeds a 100-kVA 14/2.4-kV transformer through a feeder impedance of 38.2 + j140 W. The transformer's equivalent series impedance referred to its low-voltage side is 0.12 + j0.5 W. The load on the transformer is 90 kW at 0.85 PF lagging and 2300 V.

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(a) What is the voltage at the power source of the system?

(b) What is the voltage regulation of the transformer?

(c) How efficient is the overall power system?

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Electrical Engineering: A single-phase power system is shown in figure p3-1 the
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